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Journal articles on the topic 'Fishing gear'
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1
Tupamahu, Agustinus, Haruna Haruna, Barbara G. Hutubessy, Stany R. Siahainenia, Albert Ch Nanlohy, and Kedswin Hehanusa. "Supperior Fishing Gear for Coral Reef Fishes in Western Seram Regency." Agrikan: Jurnal Agribisnis Perikanan 14, no. 1 (2021): 54–64. http://dx.doi.org/10.29239/j.agrikan.14.1.54-64.
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Various fishing gears that are operated in the coral reef waters of Western Seram Regency have their own selectivity, capture various species of fish, and have an impact on the damage to coral reef ecosystems. This study aims to determine the leading reef fishing gears in Western Seram District. The survey method is through observations and interviews with fishermen who conduct fishing activities of coral species. Respondents are determined by propulsive sampling, the selection of superior fishing gear is done by the scoring method. The results showed that the fishing gear classified into the line fishing gear was superior to other fishing gear, where the bottom trolling were superior. The less favored coral fishing equipment especially from the biological aspect needs attention to improve the method and design of the fishing gear.
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Meilia Atikasari, Asri Sawiji, and Toha Muslih. "Environmental friendliness of fishing gears in Kranji, Lamongan Regency." Journal of Marine Resources and Coastal Management 3, no. 1 (2022): 13–20. http://dx.doi.org/10.29080/mrcm.v3i01.1160.
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Increasing time has made technological advances increase, including in the field of fisheries which has a positive impact on fishing business in Indonesia. Environmentally friendly fishing technology is a fishing gear that does not have a negative impact on the environment. The use of environmentally friendly fishing gear is very important to be applied in the fishing process in certain waters. This study was conducted in Kranji Village, Paciran District, Lamongan Regency. The purpose of this study is to analyse the level of friendliness of fishing gear in Kranji Village, besides the specifications, operating methods, and variety of catches. The research method used survey and in-depth interviews with related parties related to the results of research and the level of friendliness of fishing gear. The weighting determination of the level of environmental friendliness of fishing gear is based on the Food and Agriculture Organization (FAO). The results of this study shows that the purse seine fishing gear, cob nets, gill nets and payang are environmentally friendly fishing gears, while mini trawlers are non-environmentally friendly fishing gear. This indicates that the presence of trawling gear can affect the decline in fishery resources in Kranji, Lamongan Regency.
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Nuanzha, Sissy Femi, Zamdial Zamdial, and Dede Hartono. "Analysis of Environmentally Friendly Fishing Equipment in Pasar Bantal Village Teramang Jaya District Mukomuko Regency." Jurnal Kelautan dan Perikanan Indonesia 2, no. 3 (2022): 171–81. http://dx.doi.org/10.24815/jkpi.v2i3.28690.
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Environmentally friendly fishing gear is a fishing gear that does not have a negative impact on the environment, such as not damaging the bottom of the water. There are 4 fishing gears that are often used by the people of Pasar Pillow Village, Teramang Jaya District, namely longline fishing rods, shrimp trawls, millennium nets and nylon nets. Research on the analysis of environmentally friendly fishing gear was carried out in April – May 2022 in Pasar Pillow Village, Teramang Jaya District, Mukomuko Regency. This study aims to analyze environmentally friendly fishing gear (API) in Pasar Pillow Village, Teramang Jaya District, Mukomuko City. The method used is the survey method. Collecting data using observation, interviews and documentation methods. The results of the research data were analyzed by descriptive method. The categories of environmentally friendly fishing gear used by Pillow Market fishermen are longline fishing rods, nylon nets, and millennium nets. The fishing gear that is not environmentally friendly is the shrimp trawl.Keywords: Fishing gear, environmentally friendly, Pasar Bantal Village, Mukomuko
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Hasmawati, Hasmawati, Adam Adam, Muhammad Aras, and Salman Salman. "Composition of types fishing gear in Barru regency waters in the pandemic time of Covid-19." Akuatikisle: Jurnal Akuakultur, Pesisir dan Pulau-Pulau Kecil 5, no. 1 (2021): 21–25. http://dx.doi.org/10.29239/j.akuatikisle.5.1.21-24.
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The potential of marine fish resources in Districts Barru is multi-species, especially pelagic fish. Therefore, in the management and utilization of fishery resources it is very possible for the community to be able to operate various fishing gear. This study aims to determine the composition of the types of fishing gear operated by fishermen in Barru Districts waters of during the pandemic Covid 19. Data collection was carried out from September to October 2020 in around the waters and coastal areas in Barru Districts. This study used a descriptive survey method, by collecting available data (secondary data) in the form of: categories of types and numbers of fishing gears. besides that, field observations will also be carried out. During the pandemic Covid-19, the operation of fishing gear in Barru Districts waters was 13 types of fishing gear, with a composition consisting of four types of fishing gears that were predominantly used, namely 622 drifting gill nets (28.4%), hand lines (21, 7%), Bottom gill nets (19.9%), trolling line (9.6%). Meanwhile, the least used fishing gear was 8 Bagan Tancap (lift net) (0.4%).
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Kim, Kwang-il, and Keon Myung Lee. "Convolutional Neural Network-Based Gear Type Identification from Automatic Identification System Trajectory Data." Applied Sciences 10, no. 11 (2020): 4010. http://dx.doi.org/10.3390/app10114010.
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Marine resources are valuable assets to be protected from illegal, unreported, and unregulated (IUU) fishing and overfishing. IUU and overfishing detections require the identification of fishing gears for the fishing ships in operation. This paper is concerned with automatically identifying fishing gears from AIS (automatic identification system)-based trajectory data of fishing ships. It proposes a deep learning-based fishing gear-type identification method in which the six fishing gear type groups are identified from AIS-based ship movement data and environmental data. The proposed method conducts preprocessing to handle different lengths of messaging intervals, missing messages, and contaminated messages for the trajectory data. For capturing complicated dynamic patterns in trajectories of fishing gear types, a sliding window-based data slicing method is used to generate the training data set. The proposed method uses a CNN (convolutional neural network)-based deep neural network model which consists of the feature extraction module and the prediction module. The feature extraction module contains two CNN submodules followed by a fully connected network. The prediction module is a fully connected network which suggests a putative fishing gear type for the features extracted by the feature extraction module from input trajectory data. The proposed CNN-based model has been trained and tested with a real trajectory data set of 1380 fishing ships collected over a year. A new performance index, DPI (total performance of the day-wise performance index) is proposed to compare the performance of gear type identification techniques. To compare the performance of the proposed model, SVM (support vector machine)-based models have been also developed. In the experiments, the trained CNN-based model showed 0.963 DPI, while the SVM models showed 0.814 DPI on average for the 24-h window. The high value of the DPI index indicates that the trained model is good at identifying the types of fishing gears.
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Susanto, Adi, Hendrawan Syafrie, Hery Sutrawan Nurdin, et al. "Lost Gear on Blue Swimming Crab Fisheries in Banten Bay: Case of Abandoned, Lost or Discarded Fishing Gear." Marine Fisheries : Journal of Marine Fisheries Technology and Management 13, no. 2 (2022): 233–41. http://dx.doi.org/10.29244/jmf.v13i2.41961.
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Blue swimming crab is one of the capture fisheries sector leading commodities in Banten Bay which is caught using gill nets and collapsible traps. The risk of lost fishing gears during operation is very high, both due to the bad weather and interactions with other fishing gear. The Abandoned, Lost or Discarded Fishing Gear (ALDFG) contributes significantly to the abundance of marine plactics in the world which has a negative impact on the sustainability of fish resources, water quality and endangers the safety of navigation. Nevertheless, there have been no mitigation activities and efforts to reduce ALDFG in the Banten Bay. This study aims to identify the global causes of lost fishing gear derived from blue swimming crab fisheries in Banten Bay. Data were collected around the Archipelagic Fishing Port (PPN) of Karangantu in May-June 2022. In-depth interviews were conducted with 28 respondents who were selected purposively and the results were analyzed descriptively. The results showed that generally, the causes of lost gear were conflicts with other fishing gear which constitute 64%, whilst human errors during fishing operations and bad weather contributed 19% and 17%, respectively. Keywords: ALDFG, conflict, blue swimming crab, lost gear.
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Yang, Ching-Min. "Stakeholders’ Perspectives for Taking Action to Prevent Abandoned, Lost, or Otherwise Discarded Fishing Gear in Gillnet Fisheries, Taiwan." Sustainability 15, no. 1 (2022): 318. http://dx.doi.org/10.3390/su15010318.
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Abandoned, lost, or otherwise discarded fishing gear (ALDFG) and ghost fishing are becoming increasingly severe, hurting marine ecology and inspiring worldwide concern. The Global Ghost Gears Initiative (GGGI) is committed to building a best practice framework for the management of fishing gear and believes that proper and systematic marking of fishing gear will help mitigate the impacts of ALDFG and ghost fishing. However, the mandatory marking of gear for fishery management, without considering the geographical characteristics of each region, could lead to confrontations between the government and the industry. This study used ranking, the analytic hierarchy process (AHP), and interviews to obtain the opinions of different groups regarding the choices and preferences of stakeholders in the assessed factors of taking action to prevent ALDFG and reduce the harm caused by ghost fishing. The results show that the factors “B2, Informing and counseling”, “P2, Fishing gear marking”, and “P1, Regulation” had consensus and were valued by each group. In contrast, “P3, Announcing the location”, “R1, Equipment for boat recovery”, and “R5, Environmental label” were not yet in line with the custom of gillnet fisheries in Taiwan. These results can accelerate the integration of opinions, consider appropriate compromise solutions, and coordinate ideas among different groups to implement reasonable and efficient fishing gear marking management measures.
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Mutmainnah, Nafsul, Iis Nur Asyiah, and Ika Lia Novenda. "PEMANFAATAN ALAT TANGKAP IKAN TRADISIONAL OLEH NELAYAN PULAU BAWEAN KABUPATEN GRESIK." JURNAL PERIKANAN TROPIS 8, no. 1 (2021): 23. http://dx.doi.org/10.35308/jpt.v8i1.1923.
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Bawean Island is located in the middle of the Java Sea, about 150 km north of Gresik. The name Bawean was taken from the Sanskrit which means there is sunlight. The Bawean people are acculturation from several ethnic groups of Java, Madura, Kalimantan, Sulawesi and Sumatera including their culture and language. The majority of Bawean residents work as fishermen. Bawean Island fishermen utilize marine resources to meet the needs of their family by using knowledge that has been obtained from previous generations. The purpose of this study was to determine the use of traditional fishing gear and fishing strategies used by fishing communities in Bawean Island. The research method used was direct observation, and sampling using Purposive Sampling and Snowball Sampling. The results showed that the fishing gears used by Bawean Island fishermen were kareket (waring), pajeng (payang), jhering cursor (ring net), rompon (bubu), jhering pemhir (drift gill net), payimbek rentengan (drag fishing), gerany Panyimbek (drag fishing line), panceng (fishing line). These fishing gears are very environmentally friendly because the usage does not damage the seabed ecosystem. Each fishing gear has its own characteristics, so that different fishing gear will result in different fishing catch
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Liu, Huan. "On Domestication and Foreignization in the Translation of Lure Fishing Gear." Frontiers in Business, Economics and Management 6, no. 2 (2022): 82–85. http://dx.doi.org/10.54097/fbem.v6i2.2812.
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China is the largest fishing gear market around the globe at present, and the fishing gear export and production are both the first in the world. Under the influence of COVID-19 and increasing publicity by we-media, fishing has been favored by more and more people. Although lure fishing is a relatively novel fishing sport in China, but its market potential is huge. Different from the traditional fishing methods, lure fishing has not been introduced into China for long, so the translation of the names of these fishing gears is of vital importance. From the perspectives of domesticating and foreignizing translation strategies, this paper analyzes the characteristics of the original names and translated names of some lure fishing gears, and further realizes the similarities and differences between Chinese and English languages.
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Ningsih, Etik Sulistiowati, Nurul Ovia Oktawati, Oon Darmansyah Darmansyah, and Doni Darmasetiadi Darmasetiadi. "INISIATIF-INISIATIF LOKAL DALAM PENYELESAIAN KONFLIK DAERAH PENANGKAPAN IKAN DI PESISIR SAMBOJA, KUTAI KARTANEGARA." JURNAL AGRIBISNIS DAN KOMUNIKASI PERTANIAN (Journal of Agribusiness and Agricultural Communication) 5, no. 2 (2022): 91. http://dx.doi.org/10.35941/jakp.5.2.2022.8819.91-100.
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With a qualitative research approach, this study aims to obtain information from key informants regarding how to solve maritime spatial conflicts in Samboja District. In-depth interviews were conducted with the Head of Tanjung Harapan Village, the Head of UPT Air Brackish and the head of the fishing group. Recorded data were transcribed and analyzed deductively based on the themes and categories found. This study found that that the resolution of fishing zone conflicts in Samboja District is carried out horizontally and vertically. Horizontally, conflict resolution is carried out by dividing the fishing ground based on the type of fishing gear and fishing capacity. Active fishing gear is not placed near to passive fishing gear. On the other hand, the greater the fishing capacity, the farther the area of operation is from the coast. Vertically, the same type of fishing gear is arranged according to its depth so that several gears overlap but do not interfere with each other. Those local and participatory conflict resolution initiatives are important to achieve sustainable and equitable use of coastal and marine areas.
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Takagi, Tsutomu, Takashi Shimizu, and Holger Korte. "Evaluating the impact of gillnet ghost fishing using a computational analysis of the geometry of fishing gear." ICES Journal of Marine Science 64, no. 8 (2007): 1517–24. http://dx.doi.org/10.1093/icesjms/fsm097.
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Abstract Takagi, T., Shimizu, T., and Korte, H. 2007. Evaluating the impact of gillnet ghost fishing using a computational analysis of the geometry of fishing gear. – ICES Journal of Marine Science, 64: 1517–1524. We developed a net shape and load analysis system (NaLA) that can estimate the three-dimensional shape of fishing gear underwater computationally. This paper introduces the latest version of the numerical model of the NaLA. Previously, NaLA was used to estimate the net geometries and internal forces of some fishing gear, demonstrating its general versatility. However, the ultimate goal of our study has been to learn about the impact of fishing and the capture process from a physical perspective, not simply to develop elemental technologies for gear design. Accurate, quantitative evaluation of fishing gear performance from a physical perspective can be used to estimate the potentialities of the ghost fishing to gillnet gears. Although the applications are not limited to geometries and internal forces, the paper describes how computer-aided simulations of fishing gear should be applied to investigations of the impact of ghost fishing caused by lost drift and bottom gillnets. The computational results showed that a driftnet with homogenous net panels was deformed slightly and bent only at the two ends of the net. Accumulation of periphyton on a bottom gillnet after 25 d of immersion caused it to settle to the sea bottom.
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Wahyuningrat, Tenang Haryanto, and Slamet Rosyadi. "Practices of Illegal Fishing in Pemalang Region: A Policy Analysis." E3S Web of Conferences 47 (2018): 06010. http://dx.doi.org/10.1051/e3sconf/20184706010.
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The use of unsustainable fishing gear has resulted in the decline of fish resources and threatens the sustainability of fish resources. This can cause harm to the state and the interests of the fishermen themselves. Although various policies governing fishing gear are already in place, unsustainable fishing practices remain. This, of course, has resulted in overfishing and causing environmental damage. Using the case of fishing practices in Pemalang Region, this study found that fishing gears used by fishermen are prohibited tools because they have negative impacts on the environment. Some fishing gear is quite popular used by fishermen in Pemalang Region are stun, fishing nets, fishing rods and poison. Unfortunately, the use of electric current tool (stun) is found to be more dominant than fishing nets and fishing rods. Similarly, it has developed among fishermen to use toxic methods in fishing. This phenomenon encourages researchers to formulate an effective public policy to control and minimize illegal fishing practices.
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Nedostup, Alexander Alekseevich, and Alexey Olegovich Razhev. "New theory for designing commercial fishing gears." Vestnik of Astrakhan State Technical University. Series: Fishing industry 2023, no. 2 (2023): 33–42. http://dx.doi.org/10.24143/2073-5529-2023-2-33-42.
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The article presents a new theory of designing commercial fishing gear based on the use of the theory of similarity of multiphysical processes occurring in commercial fishing gear and their elements at all stages of operation, as well as digital twins of fishing vessels, fishing mechanisms. The new theory of designing tools for commercial fishing based on taking into account the multiphysical processes occurring in fishing units and fishing objects. Providing multiphysical processes, digitizing them on the basis of digital twins makes it possible to clarify the hydrodynamic coefficients of parts and elements of commercial fishing gear. There is described the relationship between physical processes and digital analogues (digital twins). The refinement of the coefficients is associated with iterative methods. The choice of the criterion of similarity of multiphysical processes of commercial fishing gears is justified. When solving design problems, the theory of similarity makes it possible to: substantiate the characteristics of industrial fishing gear related to its size, resistance, movement speed (movement of water masses for passive fishing gear and traps), based on ensuring the maneuverability of the trawl system and other systems with known energy and power characteristics of a fishing vessel and a warp winch and other fishing mechanisms; to substantiate the characteristics of the warp winch and other fishing mechanisms that provide the specified modes of performing fishing operations (for example, lowering and lifting the trawl) of known designs; substantiate the characteristics of a fishing vessel based on ensuring the rational operation of a known (designed and operated) design of a fishing gear under given modes; investigate emergency and critical situations associated with hitting underwater obstacles by fishing gear, a sharp increase in efforts in warps, a purse non-water tourniquet with a rapid change in control actions, etc.; to substantiate the characteristics of the warp winch and other fishing mechanisms, as well as the fishing vessel for the development of the Auto trawl system.
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Mutia Aprilla, Ratna, Musiani Musiani, Chaliluddin Chaliluddin, Rianjuanda Djamani, and Muhammad Muhammad. "Identification Environmentally Friendly Fishing Gear Tools Based on the Code of Conduct for Responsible Fisheries at Aceh Barat Daya." Jurnal Kelautan dan Perikanan Indonesia 2, no. 3 (2022): 162–70. http://dx.doi.org/10.24815/jkpi.v2i3.28576.
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Aceh Barat Daya is a land area of Aceh which is directly opposite the Indian Ocean. The fishing gear in Southwest Aceh Barat Daya includes; hand line fishing gear, long line fishing gear, tug line fishing gear, ring trawl fishing gear, beach trawl fishing gear, floating chart fishing gear, gill net fishing gear. The purpose of this study was to identify environmentally friendly fishing tools based on the Code of Conduct for Responsible Fisheries (CCRF). Data collection was carried out by interviewing fishermen using descriptive methods. This research was conducted in November 2021. The results of this study indicate that environmentally friendly fishing gear are; tuna longline, tug line, hand line, gill net, floating chart, ring trawler. While fishing gear that is less environmentally friendly are; Beach trawler.Keywords: Aceh, Aceh Barat Daya, CCRF, environmentally friendly, fishing gear
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Hakim, Lukman, Eko Sri Wiyono, and Ronny Irawan Wahju. "KOMPETISI ALAT PENANGKAPAN IKAN SKALA KECIL DI PELABUHAN PERIKANAN PANTAI TEGALSARI." Marine Fisheries : Journal of Marine Fisheries Technology and Management 9, no. 1 (2018): 111–20. http://dx.doi.org/10.29244/jmf.9.1.111-120.
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The fishermen in Tegalsari Fishing Port have been using vary of fishing gears that is feared could competing in getting catches. This research aims to identify fishing gear types according to fishing gear vessel’s volume, fishing time and frequency in every operation, fishing gears productivity, and fishing gears competition. The subject of this research are four biggest number of fishing gear units in PPP Tegalsari (cantrang, arad, gillnet, and mini purse seine) with fishing vessel volume below 10 GT. Samples were taken with purposive sampling method and collected through filling out the questionnaires. The fishing gears’s productivity determined by the number of catch per unit effort (CPUE). Furthermore, the fishing gear competition mapped by classified the matrix of transformed fishing gear’s productivity number into some clusters with hierarchycal cluster analysis (HCA). The results show the dominant fishing gear that local fishermen use are cantrang (5, 6, 10 GT), arad (3, 5, 6, 10 GT), gillnet (6 GT), and mini purse seine (9 GT), the highest average of fishing gear operation time is gillnet (3 hours), and the least is mini purse seine (± 1 hour) and the highest average of fishing setting number is cantrang by 27 times/trip and mini purse seine is the least by 5 times/trip, the highest productivity gained by cantrang (5163 kg/trip) and the least is Gillnet (363 kg/trip), and the most intensive fishing gear competition is between cantrang (5 and 6 GT), arad (3,5, and 6 GT), and gillnet (3 GT).Keywords: Competition, fishing gear, productivityABSTRAKNelayan di Pelabuhan Perikanan Pantai Tegalsari menggunakan alat tangkap yang beragam. Dikhawatirkan antar alat tangkap saling berkompetisi dalam mendapatkan hasil tangkapan ikan. Penelitian ini bertujuan untuk mengidentifikasi jenis alat tangkap berdasarkan GT kapal, waktu untuk 1 kali operasi dan frekuensinya dalam satu trip penangkapan ikan, produktivitas alat tangkap, dan kompetisi antar alat tangkap. Alat tangkap yang diamati adalah cantrang, arad, gillnet dan mini purse seine yang dioperasikan menggunakan kapal berukuran ≤ 10 GT. Pengumpulan data dilakukan melalui penyebaran kuesioner. Produktivitas alat tangkap ditentukan berdasarkan nilai CPUE dan kompetisi antar alat tangkap ditentukan menggunakan metode hierachycal cluster analysis. Hasil penelitian menunjukkan: jenis alat tangkap berdasarkan GT kapal yakni cantrang (5, 6 dan 10 GT), arad (3, 5, 6 dan 10 GT), gillnet (6 GT), dan mini purse seine (9 GT); waktu untuk 1 kali operasi penangkapan ikan tertinggi pada alat tangkap gillnet (3 jam) dan terendah pada cantrang dan mini purse seine (± 1 jam) serta jumlah operasi penangkapan ikan per trip tertinggi pada alat tangkap cantrang (27 kali/trip) dan terendah pada mini purse seine (5 kali/trip); produktivitas tertinggi pada alat tangkap cantrang (5163 kg/trip) dan terendah pada gillnet (363 kg/trip); dan antar alat tangkap yang berkompetisi secara ketat adalah cantrang (5 dan 6 GT), arad (3, 5 dan 6 GT), dan gillnet 6 GT.Kata kunci: Kompetisi, alat penangkapan ikan, produktivitas.
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Satria, M. B., R. Z. Wicaksono, and R. P. Utomo. "Composition of lost and discarded fishing gear (ghost fishing) in the blue swimming crab fishery in Rembang, Central Java." IOP Conference Series: Earth and Environmental Science 1251, no. 1 (2023): 012052. http://dx.doi.org/10.1088/1755-1315/1251/1/012052.
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Abstract Ghost fishing is the ability of fishing gear to catch fish continuously for a certain period when the fishing gear has been lost. Some passive fishing gear will most likely be lost due to material degradation of gear components and other factors. Therefore, it is necessary to study the composition of fishing gear left in the sea to find out the cause of ghost fishing. The study aimed to determine the composition of materials from fishing gear left in the waters of the Rembang Sea. This is done by collecting fishing gear found by fishermen and then weighing per material to get the composition of the fishing gear. As many as 86% are metal, and 14% are plastic. This shows that metal and plastic materials are difficult to decompose in marine waters, so fishermen still find these fishing gear in Rembang waters. This also shows that metal is the dominant constituent of the fishing gear used by fishermen in Rembang waters. This research provides information about what fishing gear materials are likely to be a source of ghost fishing so that it can be a suggestion for using fishing gear.
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Sari, Wahida Kartika, Ledhyanne Ika Harlyan, and Fuad Fuad. "CLUSTERING CHARACTERISTICS OF SMALL-SCALE CAPTURE FISHERIES IN PRIGI, EAST JAVA." Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology 18, no. 2 (2022): 80–85. http://dx.doi.org/10.14710/ijfst.18.2.80-85.
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Small-scale capture fisheries condition is multi gear and multispecies has an impact on increasing the pressure of fish condition. The information related to fisheries resource status is very essential in order to build sustainable fisheries management planning. This study aims to analyze the level of fishing gear productivity, clustering of fishing gear based on the number of catch fish in Prigi, East Java. These study results are expected as sustainable small-scale fisheries management recommendations. This research methods were used the analyzed of diversity by Shannon-Wiener index, catch per unit effort (CPUE) and clustering of fishing gear based on a combination between principal component analysis (PCA) and hierarchical cluster. The results showed that the composition of the catch in each fishing gear was varied. The highest diversity of fish used gillnet as fishing gear. In general, the type of fishing gear with the most catches in AFP Prigi is handline, meanwhile scoop net became the highest CPUE of fishing. Clustering of fishing gear tends to be the same with varying proximity and gillnet fishing gear is a fishing gear that tends not to group with other tools. This study resulted that the clustering of fishing gear tends not to change in the last 10 years, however the correlation between groups are dynamic and this case has an impact on the variations of catch fish and fishing gear productivity.
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Ghosh, SK, MK Ahsan, MK Ahmmed, SI Ahmed, MM Hasan, and M. Kamal. "Catch assessment of artisanal marine fishing gears in Coxs Bazar and Teknaf of Bangladesh." Progressive Agriculture 27, no. 2 (2016): 228–34. http://dx.doi.org/10.3329/pa.v27i2.29335.
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Studies were conducted on catch assessment of some artisanal marine fishing gears operated in Coxs Bazar and Teknaf areas from April 2014 to April 2015. Sixteen types of fishing gears were identified, of which gill net, beach seine net, estuarine set bag net, marine set bag net and trammel net occupy major fishing activities. Although estuarine set bag net (ESBN) is a legally restricted fishing gear recorded the highest catch per unit effort (CPUE) (110 kg/gear/day) in July followed by marine set bag net (MSBN) (105 kg/gear/day) in Coxs Bazar and the highest CPUE was recorded 100 kg/gear/day by ESBN in June followed by MSBN (90 kg/gear/day) in Teknaf. Out of 52 species of fishes, the major fish species abundantly caught by these gears were Poa (Otolithoides argenteus), Churi (Trichiurus haumela), Loittya (Harpadon nehereus), Ranga choukha (Lutjanus johni), Lal poa (Johnius argentatus), Olua (Coilia dussumieri), Rup chanda (Stromateus chinensis), (Stromateus argenteus) and Ilish (Tenualosa ilisha). Besides these fish species, 10 commercially important shrimp species and 3 important crab species were also recorded during the study period. The peak season of availability of most fish species was June and July while lean season was December and January. This study indicated that Otolithoides argenteus) was the dominant fish species followed by Trichiurus haumela, Harpadon nehereus and Coilia dussumieri.Progressive Agriculture 27 (2): 228-234, 2016
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Ut, Vu Ngoc, Au Van Hoa, and Huynh Phuoc Vinh. "Status of fish biodiversity and fishing on Hau River, Mekong Delta, Vietnam." Annales de Limnologie - International Journal of Limnology 56 (2020): 14. http://dx.doi.org/10.1051/limn/2020012.
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Fish biodiversity on Hau (Bassac) river was investigated to assess the status of species composition and fishing by fishing gears during a year. Sampling was implemented monthly at the upper part (An Giang province), middle part (Can Tho City) and lower part (Soc Trang province) of Hau River using trawl net as main sampling gear. Additionally, fish composition was also recorded from four other most popular fishing gears including cast net, gill net, fixed net and hook operated in the study sites. Fish species composition was determined by fishing gears and their abundance (CPUE) was calculated only from the main sampling gear (trawl net). The results showed that a total of 176 fish species belonging to 16 orders and 49 families was recorded. Perciformes was the most abundant group with 51 species followed by Cypriniformes with 46 species. The number of fish species was decreasing from upper part to lower part. Trawl net was considered the most destructive gear as up to 145 fish species caught by this device, followed by gill net with 98 species, fixed net 75, cast net 57, and hooks 16 species. CPUE was very low ranging from 0.53 kg.ha−1 h−1 to 26.30 kg.ha−1 h−1. Higher CPUE was recorded at lower part in compared to upper part and middle part, and at dry season in compared to rainy season. Regulation on fishing gears, fishing ground and season should be taken into consideration to protect and conserve the resources.
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Heredia-Delgadillo, César A., Guillermo Rodríguez-Domínguez, Raúl Pérez-González, Nicolás Castañeda-Lomas, Sergio G. Castillo-Vargasmachuca, and E. Alberto Aragón-Noriega. "Analysis of crab size structure and the fishing effort applied to a crab fishery in northwest Mexico." Crustaceana 91, no. 2 (2018): 225–37. http://dx.doi.org/10.1163/15685403-00003769.
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The fishing effort of a Sinaloa crab fishery in the Gulf of California in 2014 was analysed based on fishermen’s interviews, official catches and permits, and information from a sample of fishing logbooks from five fishery cooperatives operating in four coastal lagoons that contained the daily catch from individual fishing trips. Unauthorized gear, a double-ring net (DR), was used most frequently (>70% of the fishers) for crab fishing, although authorized single-ring nets and Chesapeake traps (CT) were also used with low frequency. The estimated fishing effort was 641 boats/day in the four coastal lagoons, which was 34% more than authorized, and 818 boats/day were employed in all of Sinaloa. A total of 57 479 fishing gears were estimated for the study area, which was 49.9% greater than the maximum authorized number, and 80 822 nominal fishing gears were estimated for the entire Sinaloa crab fishery, 14.15% more than the total gear limit (70 800). The size of the mesh used in the gear was smaller than the authorized limit of 76 mm, and >50% of the catches included crabs of unlawful size. It is argued that the effort must be regulated in terms of the number of vessels, per unit time, and not the number of gears. The information from this study demonstrates a failure to monitor compliance with current regulations and thus means that other strategies for the sustainable management of the fishery, such as co-management, should be tested.
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Nikmah, Khoirun. "MODERNISASI ALAT TANGKAP DAN PENGARUHNYA TERHADAP NELAYAN TELUK PRIGI KAB TRENGGALEK TAHUN 1982-2006." ASANKA: Journal of Social Science And Education 1, no. 1 (2020): 8–15. http://dx.doi.org/10.21154/asanka.v1i1.1940.
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This article aims to analyze the modernization of fishing gear and its influence on the Prigi Bay fishermen in Trenggalek Regency in 1982-2006. In the 1982-2006 temporal, Prigi Bay fishermen underwent several developments in fishing gear changes. Those who first used traditional fishing gear and then used more modern fishing gear. There are also fishermen who continue to use traditional fishing gear because of capital constraints.
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Kostrykin, Dmitriy Alekseevich. "Fishing gear and devices for catching fish from fish ponds." Vestnik of Astrakhan State Technical University. Series: Fishing industry 2020, no. 2 (2020): 75–81. http://dx.doi.org/10.24143/2072-9502-2020-2-75-81.
Full textAbstract:
The article is focused on the problems of protection of biological resources and their habitats, the construction of new and improvement of existing fish breeding enterprises, the introduction of modern automation and mechanization of the most labor-intensive stages in the production of fish is a set of priority measures for the development of fish farming aimed at increasing fish production in inland freshwater bodies. Harvesting the fish ponds, regardless of their category, is a difficult and energy-intensive process. Choosing the type of fishing gear and fishing methods used to catch fish ponds primarily depends on the type of reservoir, the state of its hydraulic char-acteristics, as well as the type of fish caught and the time of year. The main categories of water bodies by the method of fish fishing and their features are considered. The used fishing gears are divided into 3 groups according to the principle of fish retention: entangling nets, strainers and sta-tionary gears (traps). It is noted that when fishing in the ponds, it is necessary to take into account the behavior and distribution of the fish. The effective methods for catching pond fish with different fishing gear are presented. The choice of the optimal fishing gear or device for fishing ponds will allow you to clearly plan and coordinate the work of the enterprise, since pond fishing is carried out in the shortest possible time, depending on the timing and needs of the market.
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Eayrs, Stephen, and Michael Pol. "The myth of voluntary uptake of proven fishing gear: investigations into the challenges inspiring change in fisheries." ICES Journal of Marine Science 76, no. 2 (2018): 392–401. http://dx.doi.org/10.1093/icesjms/fsy178.
Full textAbstract:
AbstractWe describe an investigation into the challenges faced by fishing gear technologists inspiring the voluntary uptake of proven fishing gear by fishers, defined as fishing gear that has satisfied research objectives following field trials between fishers and fishing gear technologists. We applied a multifaceted approach to understand how the uptake rate of this fishing gear can be achieved based on the results of a 3-year ICES-FAO Working Group on Fishing Technology and Fish Behaviour (WGFTFB) topic group on change management in fisheries. This was supported by an online survey and interview of WGFTFB members, comprising mainly of fishing gear technologists and researchers from Europe and North America, and a review of projects in the US Northwest Atlantic to evaluate the performance of fishing gear in close collaboration with fishers. We found that widespread voluntary uptake of proven fishing gear by fishers is rare, and usually takes place over many years if at all. The uptake of this gear was more likely occur in the face of perceived financial benefit or impending regulation, although financial benefit was not always sufficient inducement for fishers change their gear. The effectiveness of outreach programmes to inspire the uptake of this gear was also found to be questionable, and the efficacy of incentives was limited and inconsistent, even if the informational deficit of fishers was low. Few WGFTFB members were found to use change management models such as that by Kotter, and they relied mainly on informal, ad hoc approaches to inspire the uptake of proven fishing gear. Based on our findings we posit a need to (i) examine our assumptions about the behaviour of fishers, (ii) augment communication of the results of fishing gear research, (iii) focus on emotions to overcome motivational deficits, and (iv) consider how the application of change management models can improve the ability of fishing gear technologists to inspire the uptake of proven fishing gear by fishers.
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Lisna, Lisna, Agnes Vincentia, Noferdiman Noferdiman, and Jasmine Masyitha Amelia. "INVENTORY OF FISHING GEAR IN KECAMATAN TUNGKAL ILIR, TANJUNG JABUNG BARAT, JAMBI." AQUASAINS 6, no. 2 (2018): 615. http://dx.doi.org/10.23960/aqs.v6i2.p615-620.
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This research was conducted at Tungkal Ilir, Jambi on May to July 2017. The aims of this study were (1) to determine the types of fishing gear that operates in Tungkal Ilir, (2) fishing area and (3) the dynamics of operating fishing gear in Tungkal Ilir. Data collection was done by interview and observation. The data will be analyzed descriptively using tables and graphs. Based on the results of this research, the fishing gear used in Tungkal Ilir are gill net, trawl, togok, sondong, trap and long line. Gill net is the largest fishing gear used with 15 fishermen. While the least used fishing gear is trap. The dynamics of fishing is strongly influenced by the season and the type of fishing gear used by the fisherman. The fishing area in Tungkal Ilir ranges from 1 mile to 30 miles
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Pasaribu, Iwan Fadli, and Sahat Supripto Imanuel Harianja. "Karakteristik Sosial Ekonomi Nelayan Payang di Pelabuhan Perikanan Nusantara Brondong Lamongan Jawa Timur." Journal of Urban Sociology 1, no. 1 (2023): 50. http://dx.doi.org/10.30742/jus.v1i1.2763.
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Payang is a bag net fishing gear used to catch schools of fish. Payang fishing gear is one of the most commonly used fishing gears by fishermen in the waters around PPN Brondong, Lamongan regency. This study aims to examine and study the socio-economic characteristics of Payang fishermen. The method used in this research is a descriptive method with purposive sampling technique. The main components of the Payang fishing gear construction are floats, weights, float lines, weight lines, net ropes, wings, body I, body II, and bag. Most of the Payang fishermen's family members are around 4-6 people. The educational level of Payang fishermen is relatively low, with graduates of elementary school and even some who have never been to school. The tradition of sea harvesting is a high social value tradition carried out by Payang fishermen based in PPN Brondong, Lamongan. The economic aspect of fish catching with fishing gear in PPN Brondong consists of fixed costs of IDR 210,994.51 and variable costs of IDR 904,000, making the total cost IDR 1,114,994. The profitability of the fishing business conducted by Payang fishermen based in PPN Brondong is feasible because the RC/ratio value is greater than 1.Keywords : Fisherman, Payang, Revenue
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Lukman, L., T. Triyanto, G. S. Haryani, O. Samir, L. Gogali, and K. P. Bandjolu. "Eel (Anguilla spp.) fishing activity in Poso Area Central Sulawesi, Indonesia." IOP Conference Series: Earth and Environmental Science 869, no. 1 (2021): 012022. http://dx.doi.org/10.1088/1755-1315/869/1/012022.
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Abstract Poso in Sulawesi, primarily the Lake Poso and Poso River, is known as eel (Anguilla spp.) fishing areas. Therefore, research of eel fishing is required as base information for evaluating and determining policies for its activities. The eel fishing research in the Poso area was conducted through primary data observations, secondary data traces, and interviews from April to June 2021. The fishing activities take place in the Lake Poso and Poso River shore and the rivers of the lake inlets. The fishing gear that contributed greatly to the catch was fence traps and spears. The local community’s fence trap called waya is a unique gear only found in this area, and it is installed in Poso River around the lake outlets. The gears block the rivers to catch downstream migration eels. The spear is fishing gear (including for eels) operated at night in shallow waters, especially in the outlets of Lake Poso. The eel production recorded from the Poso areas for the last four years has been 6.7–15.5 tons per year, and the highest production was in Pamona Puselemba.
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Ghaouar, Hana, Wiem Boussellaa, and Imed Jribi. "Ghost Gears in the Gulf of Gabès: Alarming Situation and Sustainable Solution Perspectives." Sustainability 16, no. 7 (2024): 2632. http://dx.doi.org/10.3390/su16072632.
Full textAbstract:
This study represents a first step in investigating the prevalence, causes, and spatial distribution of Abandoned, Lost, or Discarded Fishing Gears (ALDFGs) in the Gulf of Gabès, a critical fishing area in Tunisia. Five main fishing gear types—benthic trawls, encircling nets, longlines, gillnets, and trammel nets were analysed for their loss rates and contributing factors. The study involved extensive surveys among local fishermen and the use of geographic information system (GIS) tools for spatial mapping. The findings reveal varying loss rates among different gear types, with longlines experiencing the highest losses (59%), followed by trammel nets (45%), gillnets (40%), trawls (38%), and encircling nets (36%). Causes of gear loss include entanglement on obstructions, conflicts with other fishing gears, entanglement with marine animals, adverse weather conditions, and intentional dumping at sea. The study highlights the challenges posed by the consistent increase in fishing effort in the region. Spatial distribution mapping indicates two significant concentrations of ALDFGs, correlating with specific fishing activities and depths. The study emphasizes the importance of addressing gear losses as a threat to marine biodiversity and ecosystem health. Recommendations for mitigation include improving boat equipment, raising awareness among fishermen, implementing effective waste management, and exploring economic incentives for ALDFG recovery. This research contributes essential insights for fisheries management, environmental conservation, and sustainable practices in the Gulf of Gabès. Collaborative efforts are crucial for developing and implementing strategies that minimize the impact of ALDFGs on the marine environment while supporting the socio-economic interests of fishermen.
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Hakim, Lukman, Eko Sri Wiyono, and Sugeng Hari Wisudo. "Muarareja Fishermen Perceptions on The Prohibition of Arad and Environmentally Friendly Fishing Tool Assistance Programs." Marine Fisheries : Journal of Marine Fisheries Technology and Management 12, no. 2 (2021): 161–71. http://dx.doi.org/10.29244/jmf.v12i2.35913.
Full textAbstract:
Arad has been prohibited because of its damages to the environment. However, fishers in Muarareja continue to operate the gear even though environmentally friendly fishing gear (traps) have been granted as a substitution. The reason behind the rejection of substitute fishing gear is interesting to be investigated. Therefore, the study aim to 1) analyze fishers' perceptions of arad prohibition, traps, and environmentally friendly fishing gear program; 2) evaluate fishers' perception on policies concerning arad prohibition and fishing gear substitution; and 3) formulate the recommendations. This study involved 35 arad fishers in Muarareja Village who has been granted with traps as substitute fishing gear. Variables in this study are fishers' perceptions on arad and trap, the policy of arad prohibition, and fishers' perception on the environmentally friendly fishing gear program. Data were collected through interviews and questionnaires. Data were analyzed by scoring respondents' answers based on provided statements. The results showed that fishers did not agree that arad is not environmentally friendly, while the trap is. Fishers are also against arad prohibition and refuse to use traps as a replacement. Furthermore, fishers who received traps are still very dependent on arad and use traps only for alternative fishing gear. Recommendations for the policy of arad prohibition are arad should be allowed with special regulation, and further education is required for fishers to understand the correlation between unselective fishing gear and environmental damages. Recommendations for the environmentally friendly fishing gear program are that the provision of traps should be continued with several adjustments following fishermen's preferences.Keywords: Prohibition of arad, environmentally-friendly fishing gear, traps.
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Burhan, Rasidi, Ho Putra Setiawan, and Slamet Jumaedi. "Sertifikasi Kompetensi Bagi Perwira Kapal Penangkapan Ikan Pada Simulator Program Studi Teknologi Penangkapan Ikan Politeknik Negeri Pontianak." MANFISH JOURNAL 1, no. 03 (2021): 190–202. http://dx.doi.org/10.31573/manfish.v1i03.314.
Full textAbstract:
Abstrak
 This study aims to create a competency test device for simulator-based fishing vessel officers, the use of simulators is felt to be very effective and efficient in terms of various aspects. The location of the activity was carried out in 2 places, namely the Rengas River Beach Fishing Port and the Fishing Simulator Laboratory for the TPI Polnep Study Program.
 The method used in this study begins with identification by interview and questionnaire of each fishing gear totaling 10 people, the need and urgency of electronic navigation equipment in operating 3 types of fishing gear that exist in West Kalimantan, namely; 1) Bouke Ami fishing gear, 2) Purse Seine fishing gear and 3) Gillnet fishing gear. The second step is to analyze the questionnaire data which has a very important and important level of urgency with more than 5 respondents.
 Based on the results of data analysis, the type of electronic navigation equipment required for the operation of each fishing gear is obtained. In the competency test material for the operation of the Bouke Ami fishing gear there are 9 Competency Elements and 15 performance frameworks, while in the operation of the Purse Seine fishing gear there are 7 competency elements, with 13 performance frameworks, on the Gillnet tagkap tool there are 6 competency elements with 13 performance frameworks
 
 Key word: Fishing Simulator, Fishing Technology and MUK.
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Darmawan, R., B. Wiryawan, A. Purbayanto, I. Yulianto, and S. Kleinertz. "Assessment of grouper’s catch, diversity and abundance in Saleh Bay, West Nusa Tenggara, Indonesia." IOP Conference Series: Earth and Environmental Science 1147, no. 1 (2023): 012018. http://dx.doi.org/10.1088/1755-1315/1147/1/012018.
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Abstract Grouper are demersal fishes that can be found in tropical and subtropical waters. In Indonesia, one of the areas where grouper production takes place in Saleh Bay, a semi-enclosed water with small islands, coral reefs and a high diversity. Information’s about the population and abundance of grouper species in Saleh Bay are currently limited. The benefits of this research are to enhance the availability of information on grouper diversity and the area as grouper fishing ground for future improvement on grouper fisheries management in Saleh Bay. Therefore, the study aimed to analyse the diversity, equitability, species richness and dominance index of different grouper species and the grouper fishing ground in this area. The data were obtained from field observations and fish landing data. Grouper caught have been calculated for each fishing gear based on the following parameters: diversity index (Shannon-Wiener), species richness, equitability, and dominance index. The results showed that grouper fishing grounds are spread over Saleh Bay. Fishers caught grouper around small islands with coral reefs. The diversity of grouper for each fishing gear ranged in a moderate category. We found that the bottom longline caught the highest species richness of grouper compare to other fishing gears. The dominance index showed no dominance using each examined fishing gear, or it can be said that grouper species are evenly caught with each fishing gear based on the calculation of the equitability index.
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Abdalla, Abdi, Nyazara Haji, Baraka Maiseli, and Kwame Ibwe. "IoT-Based Smart Fishing Gear for Sustainability of the Tanzania Blue Economy." Tanzania Journal of Engineering and Technology 41, no. 3 (2022): 14–21. http://dx.doi.org/10.52339/tjet.v41i3.840.
Full textAbstract:
The fishing industry engages many Tanzanians and is among the leading sectors of Blue Economy in the country. However, fishing practices are small-scale with poor and insufficient number of fishing facilities, hence limiting productivity and efficacy. Studies argue that the low level of technology currently used in the country could possibly be an impeding factor. Specifically, fishers use non-interactive gears that cannot instantaneously update status and alert them whenever the gears are ready for collection. In such scenarios, fishers not only waste their time but also scarce resources such as fuel to facilitate trips to and from the fishing sites to check status of the gears. Thus, the application of Information and Communication Technology (ICT) could improve the production and lower operational costs is hypothesized. ICT solutions can help realize the processes with minimum human interventions while adding intelligence to the systems to make informed decisions and hence improve systems’ efficiency. In this work, an IoT based smart fishing gear that counts and records the number of fishes in the gear and then displays them on a mobile application is proposed. The system can send alerts to the user when the required number of fish is attained, and provides navigation support to localize the distant filled gears. Results show that the system can send the location of a given gear and timely update the number of catches via the mobile application.
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Putri, Aprilia Syah, Mulkan Nulzapril, and Denta Tirtana. "Pemetaan Sebaran Rajungan yang ditangkap menggunakan Bubu Di Perairan Pesisir Barat Lampung." Amanisal: Jurnal Teknologi dan Manajemen Perikanan Tangkap 12, no. 2 (2023): 64–70. http://dx.doi.org/10.30598/amanisalv12i2p64-70.
Full textAbstract:
The Pesisir Barat of Lampung is one of the locations that has great opportunities for capture fisheries activities in Lampung. The abundant potential of these waters means that people in Pesisir Barat Regency earn income from fishing along these waters. Fishermen still catch fish using traditional tools using small boats (jukung). The vast waters with muddy and sandy water substrates make fishermen use fishing gear that is cheap, easy to operate and environmentally friendly. The trap fishing gear is a passive fishing gear operated by fishermen whose main catch is crab. The aim of this research is to map the distribution of crab catches using trap fishing gear. This research was carried out from June 2023 to September 2023. The research location was carried out in West Coastal Waters. Mapping crab fishing areas begins with identifying crab fishing areas. Identification of crab fishing areas is carried out using a survey method on three indicators, namely the location of fishing operations, catch results and environmental conditions. These results show that the distribution of crabs using trap fishing gear on the West Coast is at the Fishing Ground in Kuala Stabas Waters, Bengkunat Bay Waters and Labuhan Tapokan Waters with the number of crabs on LED trap fishing gear being 250 and the number of crabs on trap fishing gear without LEDs being 250. 119 Tails
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Anwar, Muhammad Fikri, Soffiana Agustin, and Yulia Ayu Nastiti. "Comparative Study of The Traditional Fishing Ship Using Cantrang Fishing Gear to be Bottom Longline in Ujungpangkah Waters, Gresik." Indonesian Vocational Research Journal 2, no. 1 (2022): 118. http://dx.doi.org/10.30587/ivrj.v2i1.5077.
Full textAbstract:
The variety of fishing gear used by fishermen in Indonesia initiates how to choose the most environmentally friendly fishing gear with good efficiency. The Indonesian government bans cantrang fishing gear because it endangers fish ecosystems and coral reefs. It was then replaced with a longline. This study employs a case study method with descriptive analysis focusing on a case in detail and intensively. In addition to reviewing the environmental impact of using fishing gear cantrang and bottom longline, this study also analyzes the costs required for both tools from manufacture to maintenance, and the revenue of the catch. Based on the research conducted, the capital required for cantrang fishing gear is IDR. 29,450,000 and a longline of IDR. 29,030,000. The profit generated by the cantrang fishing gear for a year is IDR. 56,012,000 while the longline is IDR. 33,836,000. Therefore, it can be concluded that replacing the cantrang fishing gear with a bottom longline is considered simpler, environmentally friendly, inexpensive, and easy to develop.
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Brown, Arthur, Rezky Fadhli, and Jonny Zain. "SUSTAINABILITY STATUS OF BELAT FISHING TOOLS BASED ON ECOLOGICAL, TECHNOLOGICAL AND SOCIAL ASPECTS IN MERBAU DISTRICT, RIAU PROVINCE." Asian Journal of Aquatic Sciences 7, no. 1 (2024): 115–23. http://dx.doi.org/10.31258/ajoas.7.1.115-123.
Full textAbstract:
This research was carried out in November 2022 in Merbau District, Meranti Islands Regency, Riau Province, to determine the sustainability status of the belat fishing gear based on ecological, social and technological aspects. The method used in this research is a survey method, while purposive sampling is used to determine respondents. Data collection was carried out through observation, interviews and documentation directly with two academics from the UNRI Faculty of Fisheries and Marine, two people from the Meranti Regency Fisheries Service, four capture fisheries entrepreneurs (traders and collectors), two fishermen group leaders, and ten fishermen. The research results show a decrease in the number of belat fishing gear every year; in 2020, the number of belat fishing gear was 65 units, and in 2022, the number of belat fishing gear was nine units. Belat fishing gear is not selective, as seen from the leverage analysis that has been carried out with a sensitivity attribute value of 40.53. Belat can catch small fish that are not yet suitable for catching. The sustainability status of belat fishing gear is seen through the attribute values of three dimensions. The sustainability index value for the ecological dimension of the belat fishing gear is 51.11, meaning it is pretty sustainable. The sustainability index value of the technological dimension in fishing using belat fishing gear is 40.53, which is classified as less sustainable. The index value of the social dimension in fishing using the belat fishing gear is 59.99, meaning it is in the reasonably sustainable category.
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Rema, Dareen Nadya, Mulyono Sumitro Baskoro, Mohammad Imron, and Muhammad Johar Rudin. "The Determination of Best Fishing Gear for Small Pelagic Fisheries at Central Bangka Regency, Bangka Belitung Islands Province." Marine Fisheries : Journal of Marine Fisheries Technology and Management 13, no. 2 (2022): 161–69. http://dx.doi.org/10.29244/jmf.v13i2.37642.
Full textAbstract:
The potential condition of fishery sector is indeed quite large in Central Bangka Regency. The majority of fishermen in Central Bangka Regency still use traditional fishing gear and simple fishing technology. The number of fishing units used in Central Bangka Regency consists of 370 units of lift net, 1,085 units of gillnets, 129 units of bubu, 60 units of sero, 125 units of fishing rods and 4 beach seines with a fleet of 1,767 (DKP Central Bangka Regency 2019). These types of fishing gear need to be assessed for performance and selected for superior fishing units as a form of optimizing to find out the strategy for developing appropriate and superior fishing units for the fisheries sector in the mining sector in Central Bangka Regency. The method of collecting data on fishing units was carried out by accidental sampling. The number of samples taken according to the category of fishing units were 20 units of lift net, 58 units of gill nets, 8 units of bubu, 3 units of sero, 10 units of fishing rods and 1 beach seines. Based on the results of standardization of technical aspects, environmental aspects, social aspects and economic aspects, the analysis of fishing gear gillnets is the most appropriate fishing gear to be developed in Central Bangka Regency with VA = 13.26 which makes gillnets gear priority I. Priority fishing gear II is a fishing rod with VA = 12.87 and priority III is a lift net with VA = 11.56.
 Keywords: superior fishing gear, sustainable fishing, Central Bangka Regency
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Vivi, Silvi Afriyansih, Sudirman Adibrata, M. Rizza Muftiadi, and Mohammad Oka Arizona. "The Effectiveness of Traditional Traps Fishing Gear (Bubu) at Nusantara Fishing Port of Tanjungpandan (NFPT), Belitung Regency." Coastal and Marine Journal 1, no. 1 (2023): 29–38. http://dx.doi.org/10.61548/cmj.v1i1.4.
Full textAbstract:
Bubu is a non-selective fishing gear in which the types of fish caught varied, especially demersal. Among several fishing gears, bubu has high economic value, so the demand for fisheries resources caught by bubu has increased. This research aims to identify the construction of a particular fishing gear (bubu) and analyze its caught result effectiveness. The research was conducted from March- April 2022 in Nusantara Fishery Port (PPN) Tanjungpandan, Belitung Regency. Methods used in this research were descriptive analyses, which collected the data directly through interviews with the key person fishermen who used bubu. The number of critical persons is determined using the census method, resulting in 46 key persons being interviewed. The methods used to identify the effectiveness of caught results were seen from the main species caught, production per trip, fishing ground, and fishing gear construction. Results showed that bubu has constructions consisting of a body frame made of wood and rattan, a mouth frame made of wires, with 100-155 cm length, 60-165 cm wide, 20-85 cm height, and the outer mouth diameter is 30-50 cm, mouth wide is 10-25 cm while the inner mouth diameter is 20 cm with 3 cm mesh size. The effectiveness of bubu as the fishing gear was 80%, and it showed that bubu was practical to use.
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Ekawaty, Rani. "Pengaruh Kepadatan Bagan Dan Kedalaman Perairan Terhadap Produktivitas Hasil Tangkap Bagan Tancap Di Teluk Pang Pang, Banyuwangi, Jawa Timur." Journal of Marine and Aquatic Sciences 1, no. 1 (2015): 7. http://dx.doi.org/10.24843/jmas.2015.v1.i01.7-13.
Full textAbstract:
During 1998-2003 fisheries production tends to decrease for Muncar, Banyuwangi, East Java. Growing number of fishing gears (especially the set fishing gear like the bambbo platform lift net) in the Pang Pang bay even though its presence is not allowed, this is might be the caused of the decreased fisheries production. As for the bamboo platform lift net itself has many factors that affect the catch effort productivity. Some of them were examined in this study which are the density (unit/ha), water depth (m) and time of hauling (min). From this study, we expected to know how far the influence of each factors as well as the mathematical models of it. This study results shows that the density of the bamboo platform lift net greatly affect the fishing gear productivity, that the higher the density number will lead to further decline in the fishing gear productivity. The water depth also has an effect, in which the deeper the waters of the fishing gear, the more catch result get. The other factors such as the time dummy and hauling time influence less on the catch. The optimum density number is < 5unit/ha, as the optimum water depth is ? 26,2 m.
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Eigaard, Ole R., Francois Bastardie, Mike Breen, et al. "Estimating seabed pressure from demersal trawls, seines, and dredges based on gear design and dimensions." ICES Journal of Marine Science 73, suppl_1 (2015): i27—i43. http://dx.doi.org/10.1093/icesjms/fsv099.
Full textAbstract:
Abstract This study assesses the seabed pressure of towed fishing gears and models the physical impact (area and depth of seabed penetration) from trip-based information of vessel size, gear type, and catch. Traditionally fishing pressures are calculated top-down by making use of large-scale statistics such as logbook data. Here, we take a different approach starting from the gear itself (design and dimensions) to estimate the physical interactions with the seabed at the level of the individual fishing operation. We defined 14 distinct towed gear groups in European waters (eight otter trawl groups, three beam trawl groups, two demersal seine groups, and one dredge group), for which we established gear “footprints”. The footprint of a gear is defined as the relative contribution from individual larger gear components, such as trawl doors, sweeps, and groundgear, to the total area and severity of the gear's impact. An industry-based survey covering 13 countries provided the basis for estimating the relative impact-area contributions from individual gear components, whereas sediment penetration was estimated based on a literature review. For each gear group, a vessel size–gear size relationship was estimated to enable the prediction of gear footprint area and sediment penetration from vessel size. Application of these relationships with average vessel sizes and towing speeds provided hourly swept-area estimates by métier. Scottish seining has the largest overall gear footprint of ∼1.6 km 2 h −1 of which 0.08 km 2 has an impact at the subsurface level (sediment penetration ≥ 2 cm). Beam trawling for flatfish ranks low when comparing overall footprint size/hour but ranks substantially higher when comparing only impact at the subsurface level (0.19 km 2 h −1 ). These results have substantial implications for the definition, estimation, and monitoring of fishing pressure indicators, which are discussed in the context of an ecosystem approach to fisheries management.
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Winger, Paul D., Harold DeLouche, and George Legge. "Designing and Testing New Fishing Gears: The Value of a Flume Tank." Marine Technology Society Journal 40, no. 3 (2006): 44–49. http://dx.doi.org/10.4031/002533206787353240.
Full textAbstract:
Increasing regulations, bycatch restrictions, and concerns over ecosystem impact are now the driving forces for much of the development in fishing gear design occurring world-wide. Industry, government, and universities have responded to these challenges with major advancements in computer aided design, simulation, physical modeling techniques, and world-class testing facilities. Model studies are a critical step in the development of new fishing gears and flume tanks are the de facto standard for investigating their attributes and performance under controlled conditions. This paper discusses the nature of flume tanks, their attributes, as well as the science and art of building and testing scale models of fishing gear.
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Kholis, Muhammad Natsir, Mohd Yusuf Amrullah, and Irwan Limbong. "Study of Traditional Fishing Gear in Batang Bungo River, Bungo Regency Jambi Province." JURNAL SUMBERDAYA AKUATIK INDOPASIFIK 5, no. 1 (2021): 31. http://dx.doi.org/10.46252/jsai-fpik-unipa.2021.vol.5.no.1.107.
Full textAbstract:
Batang Bungo River is one of the main rivers in Bungo Regency and is open water with a length of ± 50 km. Information about the construction of types of fishing gear in the Bungo river is still very limited. The purpose of this study is to identify and classify the types of traditional fishing gear used by Batang Bungo River fishermen in Bungo Regency, Jambi Province. The method used is the survey method. The study was conducted in October-November 2018 in the Batang Bungo watershed, passing four sub-districts consisting of: Rantau Pandan, Muko-Muko Bathin Tujuh, Bathin Tiga Ulu and Bungo Dani. The results showed that there were five groups and seven types of fishing gear consisting of gill net (jaring), traps (bubu/luka, tekalak dan sukam), falling gears (jala tebar), hook and lines (pancing tajur), grappling and wounding (tembak).
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Graham, Norman, Richard S. T. Ferro, William A. Karp, and Philip MacMullen. "Fishing practice, gear design, and the ecosystem approach—three case studies demonstrating the effect of management strategy on gear selectivity and discards." ICES Journal of Marine Science 64, no. 4 (2007): 744–50. http://dx.doi.org/10.1093/icesjms/fsm059.
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Abstract Graham, N., Ferro, R. S. T., Karp, W. A., and MacMullen, P. 2007. Fishing practice, gear design, and the ecosystem approach—three case studies demonstrating the effect of management strategy on gear selectivity and discards. – ICES Journal of Marine Science, 64: 744–750. A basic tenet of the ecosystem approach to fisheries management is that harvesting is conducted with minimal impact on juvenile fish, non-target species, and marine habitats. A range of technical modifications of fishing gears aimed at improving their selective properties is available to help achieve these goals, but their effectiveness varies. Through three case studies, we describe how management controls influence fishing behaviour and the adoption of more selective gear, and demonstrate how conservation goals can be discouraged or encouraged by the strategy. In Norway, limits set on the maximum quantity of sublegal fish that may be retained on board, in combination with a ban on discarding, resulted in substantial area closures in the Barents Sea. Therefore, to gain access, fishers developed technical modifications to enhance gear selectivity. In both shrimp and demersal trawl fisheries, the modifications are now being used by virtually the whole fleet. To reduce cod mortality in the North Sea, mesh sizes were increased and effort restrictions introduced, but the measures also affected other fleets, notably those targeting Nephrops: fishers for that species reduced their mesh size to prevent loss of target species and to avoid effort restrictions. Although management measures may have resulted in reduced fishing mortality on cod, they placed additional pressure on other stocks by encouraging vessels to switch gears, and it is likely that discard rates have increased. In the eastern Bering Sea fishery for walleye pollock, the adoption of more-selective fishing gears was encouraged by regulations requiring fisheries to be curtailed when bycatch rates of prohibited species are exceeded, leading to underutilization of the target species through premature closures. Fishers now act cooperatively by providing real-time data on bycatch hot spots, allowing tactical fishing decisions to be taken to avoid such areas.
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Hollins, J., B. Koeck, A. Crespel, D. M. Bailey, and S. S. Killen. "Does thermal plasticity affect susceptibility to capture in fish? Insights from a simulated trap and trawl fishery." Canadian Journal of Fisheries and Aquatic Sciences 78, no. 1 (2021): 57–67. http://dx.doi.org/10.1139/cjfas-2020-0125.
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In fishes, physiological and behavioural traits can correlate with vulnerability to capture with fishing gears, highlighting the capacity of fisheries selection to drive phenotypic change in exploited populations. There remains a paucity of information regarding how different fishing gears may select on phenotypic traits and how relationships between individual traits and capture vulnerability change across environmental gradients. By simulating the capture process in a trawl and trap using wild minnows (Phoxinus phoxinus) acclimated to different temperatures, we investigated how contrasting fishing gears select on behavioural and physiological traits and how this selection is modulated by temperature. Despite similar risk of capture in each gear, selection differed between traps and trawls. Fish exhibiting low spontaneous activity were at greater capture risk in the trawl across all temperatures, while traps showed no selection except at 24 °C. No relationships between physiological traits and capture vulnerability were found, except between swim performance and trap capture vulnerability at 24 °C. This study demonstrates that fisheries selection on individual traits is likely context-specific, depending on both fishing gear type and environment.
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Mandal, Basudev. "A Study on the Selectivity of Different Fishing Gear." Indian Journal of Pure & Applied Biosciences 12, no. 2 (2024): 8–19. http://dx.doi.org/10.18782/2582-2845.9072.
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The selectivity of fishing gears plays a pivotal role in shaping the dynamics of aquatic ecosystems and fisheries sustainability. Through a comprehensive examination of trawl nets, gill nets, and longlines, this paper delves into the factors influencing selectivity, including gear design, selectivity criteria, selectivity terminologies, selection curves, and impacts. Drawing upon scientific research, empirical evidence, and case studies from around the world, this paper highlights the effectiveness of different selectivity measures in balancing the extraction of target species with the conservation of non-target species and habitat integrity. By synthesizing current knowledge and emerging trends in fishing gear selectivity, this review paper offers valuable insights for policymakers, fishers, scientists, and conservationists striving to navigate the complex interplay between human exploitation and ecological resilience in aquatic environments.
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Mohidin, Nur Arina Hayati, Sukree Hajisamae, Mazlan Hashim, Nik Aziz Nik Ali, and Mohd Fazrul Hisam Abd Aziz. "A Review on Ray Capture According to Fishing Gear Worldwide." Jurnal Ilmiah Perikanan dan Kelautan 13, no. 1 (2021): 68. http://dx.doi.org/10.20473/jipk.v13i1.24703.
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HighlightRay capture worldwide using variety fishing gear.Efficiency of fishing gear used in capture ray species among countries.The maturation size for female and male ray according to species present.Bycatch issues of elasmobranch in small and large scale fisheries.Suitable fishing gear to capture ray species at particular country.AbstractA coral reef is one of the important ecosystems. However coral Gillnets are usually used as a fishing gear by an artisanal fishery in Malaysia. This gear is commonly used by most countries. This paper discussed the rays capture worldwide by using a variety of fishing gear and also bycatch issues that commonly happen. The efficiency of the fishing gear used in capture ray species is compared and discussed among the countries. This paper distinguishes the maturation size for the female and male ray according to the species presence. The bycatch scenario is also discussed as the majority of this elasmobranch (shark and ray) which is caught as bycatch in both small scale fisheries (gill nets, long lines and hooks) and large scale fisheries (bottom trawl and purse seine). This paper explains the suitable type of fishing gear to use to capture ray species in a particular country.
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Dani, Rahma, Arthur Brown, and Polaris Nasution. "CATCH COMPOSITION AND ENVIRONMENTAL FRIENDLINESS LEVEL OF SONDONG FISHING GEAR LANDED AT THE FISHERY HARBOR OF RIAU PROVINCE." Asian Journal of Aquatic Sciences 7, no. 1 (2024): 105–14. http://dx.doi.org/10.31258/ajoas.7.1.105-114.
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Sondong fishing gear is one of the dominant fishing gear used by fishermen in the UPT Fisheries port of Riau Province Dumai City, which, when operated, can scrape to the bottom of the waters. The specifications of sondong fishing gear affect the catch. This study aimed to determine the composition of catches based on type, length, and weight and explain the level of environmental friendliness of sondong fishing gear that refers to the FAO 1995 CCRF criteria and Taeran 2014 subcriteria. The method used in this research is a survey method, which is conducted by conducting interviews and collecting data directly in the field, then analyzing it using descriptive statistics. The results showed that the composition of the main catch was white shrimp (Penaeus merguiensis), red prawn (P.monodon), and kelong shrimp (P. indicus). At the same time, the bycatch was white pomfret (Pampus argenteus), gulamah (Pseudocienna amovensis), gangetic anchovy (Thryssa mystax), malung (Muraenesox cinereus), stingray (Dasyatis sp), and crab (Portunus pelagicus). The environmentally friendly level of sondong fishing gear, with a value of 16.43 from the interviews with 23 respondents using 8 criteria, states that sondong fishing gear is a category of fishing gear that is not environmentally friendly.
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Ariani, Endang, Aryani Rahmawati, I. Nyoman Budi Satriya, and Hamid Hamid. "PENGARUH PERBEDAAN UKURAN MATA PANCING TERHADAP HASIL TANGKAPAN IKAN DASAR (DEMERSAL FISH) DENGAN ALAT TANGKAP RAWAI DASAR (BOTTOM LONG LINE)." Al-Aqlu: Jurnal Matematika, Teknik dan Sains 1, no. 1 (2023): 31–37. http://dx.doi.org/10.59896/aqlu.v1i1.8.
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Bottom fish (Demersal fish) are fish whose habitat lives in coral and at the bottom of rocky waters, staying silent in holes to wait for prey. The distribution and abundance of bottom fish is strongly influenced by the environmental conditions of the waters as well as the oceanography. Potential fishing areas are waters where there are many fish in schools and it is possible to catch them with certain fishing gear. Bottom long line fishing gear is a fishing gear made of a set of long lines (line fishing) intended to catch various types of bottom (domersal) fish and so on in large sizes and quantities. one type of basic fishing gear that is quite productive. This study aims to determine the size of the most productive hook (hook) and to determine the types of bottom fish caught using bottom long line fishing gear.
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Supriadi, Dedi, Bangun Ichsanudin, Aman Saputra, and Restu Widayaka. "Analisis Potensi Lestari Hasil Tangkapan Trammel Net Di Kabupaten Indramayu." Barakuda 45: Jurnal Ilmu Perikanan dan Kelautan 3, no. 1 (2021): 17–27. http://dx.doi.org/10.47685/barakuda45.v3i1.155.
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This study aims to analyze the Catch Per Unit Effort (CPUE) and Maximum Sustainable Yield (MSY) from the catch of trammel net fishing gear by fishermen in Indramayu Regency, West Java. The research method used is descriptive method, which is a method to create a systematic, factual and accurate description of the facts, characteristics and relationships of environmental factors or phenomena being studied. Data analysis was carried out on the catch and catch effort in the last 5 years (2011-2015) on trammel net fishing gear. Trammel net fishing gear is environmentally friendly fishing gear and is an effective fishing tool in fishing productivity with the composition of the catch consisting of the main catch is tiger shrimp (Penaeus monodon) and bycatch such as tigawaja fish (Johnius belangeri), petek Leiognathus bindus) and layur (Trichyurus haumela). The highest annual productivity of trammel net fishing gear during 2011-2015 occurred in 2011 and 2014 at 0.018 tons / trip and the lowest productivity occurred in 2015 at 0.013 tons / trip, and the maximum sustainable catch or MSY in Indramayu Regency was 32147, 1 ton / year, with an estimated optimum fishing effort of 103516.67 trips for one year and R2 of 0.2977.
 This study aims to analyze the Catch Per Unit Effort (CPUE) and Maximum Sustainable Yield (MSY) from the catch of trammel net fishing gear by fishermen in Indramayu Regency, West Java. The research method used is descriptive method, which is a method to create a systematic, factual and accurate description of the facts, characteristics and relationships of environmental factors or phenomena being studied. Data analysis was carried out on the catch and catch effort in the last 5 years (2011-2015) on trammel net fishing gear. Trammel net fishing gear is environmentally friendly fishing gear and is an effective fishing tool in fishing productivity with the composition of the catch consisting of the main catch is tiger shrimp (Penaeus monodon) and bycatch such as tigawaja fish (Johnius belangeri), petek Leiognathus bindus) and layur (Trichyurus haumela). The highest annual productivity of trammel net fishing gear during 2011-2015 occurred in 2011 and 2014 at 0.018 tons / trip and the lowest productivity occurred in 2015 at 0.013 tons / trip, and the maximum sustainable catch or MSY in Indramayu Regency was 32147, 1 ton / year, with an estimated optimum fishing effort of 103516.67 trips for one year and R2 of 0.2977.
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Brown, Paul, Taylor L. Hunt, and Khageswor Giri. "Effects of gear type, entrance size and soak time on trap efficiency for freshwater crayfish Cherax destructor and C. albidus." Marine and Freshwater Research 66, no. 11 (2015): 989. http://dx.doi.org/10.1071/mf14284.
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Freshwater crayfish support significant commercial and recreational fisheries worldwide. The genus Cherax is fished in Australia with a variety of fishing gears, yet little is known of the relative efficiency of the different fishing gears and methods. Additionally, freshwater-crayfish traps can pose a risk to air breathing by-catch such as aquatic mammals, reptiles and birds, so by-catch mitigation is important. We sought to understand whether freshwater-crayfish fishing can be undertaken efficiently, using passive traps and nets, without undue risk to air-breathing by-catch species. In field-experiments, we compared the efficiency of six gear types and tested the effect of five exclusion rings on catch performance over three soak times. The efficiency of gear types varied significantly by soak times. In productive locations, catch can be maximised by repeatedly deploying open-topped gear for short soak times. Opera-house traps fitted with fixed entrance rings (45–85-mm diameter) were not size-selective for yabbies. Encouragingly, open-topped gear and opera-house traps fitted with fixed ring entrances much smaller than many commercially available (45-mm diameter) still fish effectively for yabbies. We believe that smaller fixed ring-entrance size is likely to be correlated with a reduced risk of by-catch for air-breathing fauna.
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Jarernpornnipat, Ananya, Thanyaporn Pongsuwan, and Kathe R. Jensen. "Catch composition of fishes by different types of fishing gears in the Andaman sea, Thailand." Brazilian Journal of Development 10, no. 5 (2024): e69386. http://dx.doi.org/10.34117/bjdv10n5-006.
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The Andaman Sea is a rich ecosystem providing significant ecosystem goods and services for people in coastal areas and these areas have fisheries activities using different fishing gears appropriate for different species and habitats. We assessed catch composition and size distribution of economically important finfish captured by a range of fishing gears employed by commercial and artisanal fishers in three provinces adjacent to the central Andaman Sea of Thailand over a 2-year period. Between January 2019 and December 2021, fishers employed 7 main capture gears: surface gillnet, bottom gillnet, fish trap, handline and hook, trawl, purse seines and light-luring anchovy falling net. Trawling captured the highest diversity of target species (35 species) followed by surrounding net (32 species), fish trap (16 species) hook and line (15 species), surface and bottom gillnet (15 species) and the last one of anchovy falling net (2 species). When comparing size at the first maturation of both target species and bycatch, it was found that the percentage of mature fish caught from artisanal fishing gears was higher than of commercial fishing gear because artisanal gears had better selection of catch, especially fish trap and hook and line. Understanding the operation of fishing gears, catch composition and the size frequencies of target species could be particularly important for stock assessment because gear may influence catch composition.
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Fauzi, S., B. H. Iskandar, B. Murdiyanto, and E. S. Wiyono. "PRIORITAS STRATEGI KELEMBAGAAN PENGELOLAAN SUMBER DAYA IKAN LESTARI BERBASIS OTONOMI DAERAH DI KAWASAN SELAT BALI." Marine Fisheries : Journal of Marine Fisheries Technology and Management 2, no. 1 (2012): 101. http://dx.doi.org/10.29244/jmf.2.1.101-110.
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This paper describes some prioritised strategies and its concept of implementation for institution related to capture fisheries resources in Bali Strait within local governance context in order to implement sustainable fiheries concept. Analysis Hierachy Process (AHP) was applied to construct the sequence of priorities. The results show that prioritised strategy, in sequence, were management development is carried out by specific institution that formed by local goverment (RK = 0,284), intensively coordination in local government to control fishing gear allocation and conflict (RK = 0,243), development of all management effort by each local government (RK = 0,216), development of intensively coordination of local government in each managemnent activities (RK = 0,148) and developmentof intensively of local government to control fishing gear allocation and fishing ground (RK = 0,109). Implementation concept of prioritised strategy (management development is carried out by specific institution that formed by local government) was the specific institution should play roles as an excecutor of fisheries resources conservation program, as a manager in fish resources utilization appropriate to SKB (catch quota, number of fishing gear, potential fishing ground), as a controller in selling price and fishing gears operation periodically, as an information centre of human resources in fisheries and its development and as a facilitator in development of local income generating contributed from fisheries sector.