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Journal articles on the topic 'Megabenthic species'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Toruan, Lumban Nauli Lumban, Imam Fauzi, Rahmad Hidayat, Muhammad Hilmi, Yongki Lapon, and Wiyudha Pandu Laksana. "Kepadatan Megabentos pada Wilayah Konservasi Perairan di Sekitar Kabupaten Kupang, Nusa Tenggara Timur, Indonesia." Biotropic : The Journal of Tropical Biology 8, no. 1 (2024): 1–11. http://dx.doi.org/10.29080/biotropic.v8i1.1968.

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The Sawu Sea National Marine Park is a marine conservation area in East Nusa Tenggara Province that is known for its high marine biodiversity. The coral reef ecosystem in this conservation area is home to ecologically and economically important megabenthic organisms. Megabenthos are important regulators of marine ecosystems, acting as indicators of coral reef health. However, information on the types and densities of megabenthos in this conservation area is scarce. Research on megabenthos is critical for assessing coral reef health and informing conservation strategies. The aim of this study i

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Zakharov, D. V., L. L. Jørgensen, I. E. Manushin, and N. A. Strelkova. "Barents Sea megabenthos: Spatial and temporal distribution and production." Marine Biological Journal 5, no. 2 (2020): 19–37. http://dx.doi.org/10.21072/mbj.2020.05.2.03.

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This long-term observation of the faunal composition within the Barents Sea provides a benchmark for monitoring community changes caused by oceanographic variability, fishery activities, and crab predators (Chionoecetes opilio, Paralithodes camtschaticus), whose populations have been rapidly growing and spreading in recent years. In the Arctic systems, megabenthic communities comprise a significant part of benthic biomass and play an important role in carbon cycling on continental shelves. The gradual accumulation of knowledge on megabenthos may make it possible to assess their role in the eco

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Moskvin, Konstantin K. "Megabenthos of the Novaya Zemlya archipelago west coast in trawl bycatch." Transactions of the Kоla Science Centre. Series: Natural Sciences and Humanities 3, no. 3/2024 (2024): 125–33. http://dx.doi.org/10.37614/2949-1185.2024.3.3.012.

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As a part of a marine expedition on the R/V «Dalnye Zelentsy» along the western coast of the Novaya Zemlya archipelago, an assessment of megabenthic species diversity and biomass in bycatch of trawl was carried out in August 2023 specimens of 29 taxa belonging to 6 phyla were identified during the survey. The highest species diversity (20 species) was recorded in the northern coastal area of the Novaya Zemlya archipelago, where the dominant forms in terms of biomass were sea urchins Strongylocentrotus pallidus – 237.1 kg/km2. A tendency for a 5-fold decrease in megabenthos species diversity an

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STAMOULI, CATERINA, ARGYRO ZENETOS, ARGYRIOS KALLIANIOTIS, and ELENI VOULTSIADOU. "Megabenthic invertebrate diversity in Mediterranean trawlable soft bottoms: a synthesis of current knowledge." Mediterranean Marine Science 23, no. 3 (2022): 447–59. http://dx.doi.org/10.12681/mms.29165.

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Mediterranean bottom trawling is generally characterised by a highly diversified mixed catch, composed of fish, cephalopods,crustaceans, and other megabenthic invertebrates. Although management of Mediterranean trawling requires a multispecies approach on a community basis, this does not seem to be the case in the relevant literature. Herein, we present an extensive review ofthe existing knowledge on megabenthic invertebrate communities, focusing on the trawlable bottoms. A total of 207 publicationsfrom 1930 to the early 2021 was collected and classified into seven research areas. Research eff

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EL LAKHRACH, H., A. HATTOUR, O. JARBOUI, K. ELHASNI, and A. A. RAMOS-ESPLA. "Spatial distribution and abundance of the megabenthic fauna community in Gabes gulf (Tunisia, eastern Mediterranean Sea)." Mediterranean Marine Science 13, no. 1 (2012): 12. http://dx.doi.org/10.12681/mms.19.

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The aim of this paper is to bring to light the knowledge of marine diversity of invertebrates in Gabes gulf. The spatial distribution of the megabenthic fauna community in Gabes gulf (Tunisia, Eastern Mediterranean Sea), together with the bottom type and vegetation cover, were studied. The abundance of the megabenthic fauna was represented by eight groups: Echinodermata (38%), Crustacea (21%), Tunicata (19%), Mollusca (13%), Porifera (4%), Cnidaria (3%), Bryozoa, and Annelida (2%). It was spatially more concentrated in the coast area of the gulf than in the offshore waters. This area, especial

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Arbi, Ucu Yanu, Agustinus Harahap, and Hendriks Alexander William Cappenberg. "Fluktuasi Kondisi Megabentos di Perairan Ternate, Maluku Utara." Jurnal Kelautan Tropis 23, no. 1 (2020): 57. http://dx.doi.org/10.14710/jkt.v23i1.5491.

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The coral reef was a habitat for several groups of biota that live in this ecosystem. Some species or group species of benthic fauna are known to be ecologically important and others are economically important so that they can be used as indicators to assess reef health. Research on megabenthic fauna in Ternate and its surrounding waters, North Maluku, was carried out in 2012, 2015, 2016, 2017 and 2018 at fourteen permanent stations. The purpose of this study was to determine the fluctuations in several megabenthic faunae temporarily. Data were collected using the modified Belt Transect Method

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Zalota, Anna K., Polina Yu Dgebuadze, Alexander D. Kiselev, et al. "Trophic Position Stability of Benthic Organisms in a Changing Food Web of an Arctic Fjord Under the Pressure of an Invasive Predatory Snow Crab, Chionoecetes opilio." Biology 13, no. 11 (2024): 874. http://dx.doi.org/10.3390/biology13110874.

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The introduction of a large predatory snow crab, Chionoecetes opilio, into the Kara Sea is a unique situation where the impact of an invasive species affecting an otherwise undisturbed ecosystem can be observed unhindered by other ecosystem stressors. Trophic interactions are one of the principal relationships between animals and can help assess an ecosystem’s stability. The trophic positions and sources of organic material for the most common benthic species of Blagopoluchiya Bay sampled at different stages of the invasion were calculated using stable isotope analysis. The most pronounced cha

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Nugraha, Aditya Hikmat, Asep Ma’mun, Try Febrianto, Wisa Januarni, and Noor Aiin. "Relative Abundance of Megabenthic Organisms in the Seagrass Ecosystem of Mantang Island, Riau Islands Province, Indonesia." BIO Web of Conferences 134 (2024): 06018. http://dx.doi.org/10.1051/bioconf/202413406018.

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Seagrass ecosystems play a crucial role in coastal environments, providing essential habitats for the survival of various marine species. One significant group associated with these ecosystems is benthic organisms, which inhabit the ocean floor. This study aims to evaluate the relative abundance of megabenthic organisms in the seagrass ecosystem surrounding Mantang Island. Sampling was conducted at three stations. The results showed that seagrass cover in the waters of Mantang Island ranged from 25.5% to 40.31%, indicating a moderate level of seagrass coverage. Four main groups of megabenthic

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Jørgensen, Lis Lindal, Benjamin Planque, Trude Hauge Thangstad, and Grégoire Certain. "Vulnerability of megabenthic species to trawling in the Barents Sea." ICES Journal of Marine Science 73, suppl_1 (2015): i84—i97. http://dx.doi.org/10.1093/icesjms/fsv107.

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Abstract The development of ecosystem-based fisheries management over the last two decades has increased attention on the protection of vulnerable resources that are of little or no economic significance including bycatch of benthos in bottom trawling. Current knowledge on the response of benthic communities to the impact of trawling is still rudimentary. In the present study, we used data collected in the Barents Sea during 2011 to assess the vulnerability of benthic species to trawling, based on the risk of being caught or damaged by a bottom trawl. Using trait table analysis, we identified

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D’Alessandro, Michela, Maria Cristina Gambi, Matteo Bazzarro, et al. "Characterization of an undocumented CO2 hydrothermal vent system in the Mediterranean Sea: Implications for ocean acidification forecasting." PLOS ONE 19, no. 2 (2024): e0292593. http://dx.doi.org/10.1371/journal.pone.0292593.

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A previously undocumented shallow water hydrothermal field from Sicily (Southern Tyrrhenian Sea, Italy) is here described, based on a multidisciplinary investigation. The field, covering an area of nearly 8000 m2 and a depth from the surface to -5 m, was explored in June 2021 to characterise the main physico-chemical features of the water column, describe the bottom topography and features, and identify the main megabenthic and nektonic species. Twenty sites were investigated to characterise the carbonate system. Values of pH ranged between 7.84 and 8.04, ΩCa between 3.68 and 5.24 and ΩAr from

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Hartati, Retno, Widianingsih Widianingsih, Muhammad Zainuri, and Edy Supriyo. "Echinoderm diversity in the soft bottom of Wulan Estuary, Demak, Indonesia." IOP Conference Series: Earth and Environmental Science 1289, no. 1 (2023): 012006. http://dx.doi.org/10.1088/1755-1315/1289/1/012006.

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Abstract The majority of research on echinoderms in the tropics has involved coral reefs. There are relatively few studies on echinoderms connected to soft bottoms and estuaries. This work describes echinoderm species found in the soft-bottom sediments of the Wulan estuary in Demak, Indonesia, are described. Twelve species from Holothuroidea, Ophiuroidea, Asteroidea, and Echinoidea were identified. The three most prevalent species identified were Astropecten sp., P. chilensis, and Paracaudina sp. The species found differ depending on the sampling sites. Still, this knowledge expands our unders

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Auscavitch, Steven R., and Rhian G. Waller. "Biogeographical patterns among deep sea megabenthic communities across the Drake Passage." Antarctic Science 29, no. 6 (2017): 531–43. http://dx.doi.org/10.1017/s0954102017000256.

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AbstractBiogeographical patterns among deep sea benthic communities in the Drake Passage remain poorly understood as a consequence of poor sampling resolution and the spatial remoteness of many sea floor features. Hard-bottom features, including at least 20 seamounts, remain uncharacterized with respect to their benthic megafaunal community assemblages. Here, we present community assemblage patterns from several locations across the Drake Passage to better understand the faunal relationships between deep sea floor communities in the region. Towed camera surveys were conducted on nine topograph

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RENGAIYAN, PERIASAMY, JOHN KURIAN PALAYIL, and BABAN INGOLE. "A new deep-sea sponge Fibulia occiensis sp. nov. (Poecilosclerida: Dendoricellidae) from the 25° South Oceanic Core Complex in the Central Indian Ocean Ridge." Zootaxa 5162, no. 1 (2022): 87–96. http://dx.doi.org/10.11646/zootaxa.5162.1.6.

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We describe a new deep-sea sponge species, Fibulia occiensis sp. nov., from the Central Indian Ocean Ridge (CIOR) at Rodrigues Triple Junction (RTJ), of the family Dendoricellidae Hentschel, 1923. Two sponge specimens were collected between 1982–2079 m depth using a benthic sledge in the 25° South Oceanic Core Complex (OCC) region. The megabenthic fauna was collected to establish a baseline of environmental and benthic ecological data. This data will be handy in assessing the impact of sulfide mining in the near future. Fibulia occiensis sp. nov. is fragile and stalked, has a single type of ox

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Enrichetti, Francesco, Giorgio Bavestrello, Valentina Cappanera, et al. "High Megabenthic Complexity and Vulnerability of a Mesophotic Rocky Shoal Support Its Inclusion in a Mediterranean MPA." Diversity 15, no. 8 (2023): 933. http://dx.doi.org/10.3390/d15080933.

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The deep shoal of Punta del Faro (Ligurian Sea, Mediterranean Sea) is a mesophotic rocky elevation hosting complex animal forests threatened by fishing activities. To identify appropriate conservation measures and set a reference example for similar cases, we present a detailed characterization of its megabenthic communities and a quantification of the fishing pressure. The results highlight the high natural value of the area, presenting high biodiversity (111 megabenthic and demersal species) and diverse types of animal forest, predominantly dominated by cnidarians. The tridimensional seascap

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PERIASAMY, RENGAIYAN, PALAYIL JOHN KURIAN, and BABAN INGOLE. "A new deep-water coral species Telestula ridgensis sp. nov (Scleralcyonacea: Sarcodictyonidae) from the seamount of the Central Indian Ridge." Zootaxa 5254, no. 2 (2023): 231–44. http://dx.doi.org/10.11646/zootaxa.5254.2.4.

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Telestula ridgensis sp. nov. is a deep-sea octocoral species collected from the Central Indian Ridges (CIR) seamount. The megabenthic communities were sampled from the depths between 1917 and 2053 m using a benthic sledge. It forms part of a baseline environmental and benthic ecological assessment. All these data will be functional in assessing the impact of future massive sulfide mining in the Indian Ocean. We describe a new octocoral species based on integrative taxonomic methods through morphological comparison and molecular phylogenetics. The sclerome of the new species consists of short,

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Baeta, Marc, Claudia Rubio, and Françoise Breton. "Impact of mechanized clam dredging on the discarded megabenthic fauna on the Catalan coast (NW Mediterranean)." Journal of the Marine Biological Association of the United Kingdom 101, no. 3 (2021): 545–53. http://dx.doi.org/10.1017/s0025315421000369.

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AbstractThere is an important small-scale fishery using mechanized dredges and targeting clams (mainly wedge clam Donax trunculus and striped venus clam Chamelea gallina) along the Catalan coast (NW Mediterranean Sea). This study evaluated for the first time the discards and impact of mechanized clam dredging on the Catalan coast. To this end, three surveys were performed on board standard clam vessels (September and November 2016 and January 2017). Surveys were conducted in the three main clam fishing areas (Rosas Bay, South Barcelona and Ebro Delta). The composition of discards and the impac

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Friedlander, Alan M., Enric Ballesteros, Alyssa M. Adler, et al. "Shallow subtidal marine benthic communities of Nachvak Fjord, Nunatsiavut, Labrador: A glimpse into species composition and drivers of their distribution." PLOS ONE 18, no. 11 (2023): e0293702. http://dx.doi.org/10.1371/journal.pone.0293702.

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Marine fjords along the northern Labrador coast of Arctic Canada are influenced by freshwater, nutrients, and sediment inputs from ice fields and rivers. These ecosystems, further shaped by both Atlantic and Arctic water masses, are important habitats for fishes, marine mammals, seabirds, and marine invertebrates and are vital to the Labrador Inuit who have long depended on these areas for sustenance. Despite their ecological and socio-cultural importance, these marine ecosystems remain largely understudied. Here we conducted the first quantitative underwater scuba surveys, down to 12 m, of th

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Meyer, Heidi K., Emyr M. Roberts, Furu Mienis, and Hans Tore Rapp. "Drivers of Megabenthic Community Structure in One of the World's Deepest Silled-Fjords, Sognefjord (Western Norway)." Front Mar Sci 7 (June 9, 2020): 393. https://doi.org/10.3389/fmars.2020.00393.

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ABSTRACT. The Sognefjord is the longest (205 km) and deepest (1308 m) fjord in Norway, and the second-longest in the world. Coast-fjord exchange in Sognefjord is limited by a seaward sill at 170 m water depth, which causes a clear stratification between water masses as the dense oxygen-poor basin water mixes slowly with the well-oxygenated water directly above from the coastal ocean. Due to the homogeneity and limited variability in the deep-water, the deep slopes of Sognefjord represent the ideal setting to study how abiotic factors influence the deep-water benthic community structure. During

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Kiselev, Alexander D., and Anna K. Zalota. "Changes in the Diet of an Invasive Predatory Crab, Chionoecetes opilio, in the Degrading Benthic Community of an Arctic Fjord." Biology 13, no. 10 (2024): 781. http://dx.doi.org/10.3390/biology13100781.

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The introduction of a new species can lead to substantial changes in a new ecosystem. Local and introduced species’ survival depends on their ability to adapt to the new environment. Studying such adaptations is often hindered by multiple factors affecting the ecosystem. The introduction of a large predatory snow crab, Chionoecetes opilio, into the Kara Sea, is a unique invasive species affecting an otherwise undisturbed ecosystem. The crab has caused drastic changes in the macro- and megabenthic taxonomic structure, abundance, and biomass of the most common species in an Arctic fjord, Blagopo

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PATANIA, ANNALISA, and ERHAN MUTLU. "Spatiotemporal and ecological distribution of megabenthic crustaceans on the shelf-shelf break of Antalya Gulf, the eastern Mediterranean Sea." Mediterranean Marine Science 22, no. 3 (2021): 446. http://dx.doi.org/10.12681/mms.26142.

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The spatiotemporal distribution and ecology of the suprabenthic and benthic mega-crustaceans were studied in the shelf-shelf break of Turkish waters of the eastern Mediterranean Sea (Antalya Gulf). Sampling was conducted seasonally in May 2014, August, October, and February 2015 using an otter trawl at depths of 10, 25, 75, 125 and 200 m along three transects. A total of 59 species were identified comprising 53 decapods (Eumalacostraca: Eucarida), 3 isopods (Eumalacostraca: Peracarida), and 3 stomatopods (Hoplocarida). Eighteen of the total identifiable species were invasive, and some of them

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Piepenburg, Dieter, Philippe Archambault, William G. Ambrose, et al. "Towards a pan-Arctic inventory of the species diversity of the macro- and megabenthic fauna of the Arctic shelf seas." Marine Biodiversity 41, no. 1 (2010): 51–70. http://dx.doi.org/10.1007/s12526-010-0059-7.

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Ferrigno, Federica, Luca Appolloni, Luigia Donnarumma, et al. "Diversity Loss in Coralligenous Structuring Species Impacted by Fishing Gear and Marine Litter." Diversity 13, no. 7 (2021): 331. http://dx.doi.org/10.3390/d13070331.

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Coralligenous structuring species (CSS) form a group of marine megabenthic species with an engineering capacity. Since they are highly vulnerable to anthropogenic activities, they have been selected for the Marine Strategy Framework Directive (MSFD) monitoring programs. The pressure and impact of fishing gear and marine litter on these species were evaluated through the image analysis of 54 remotely operated vehicle (ROV) routes along the Campania coasts (Tyrrhenian Sea, Italy). CSS density was calculated as the number of colonies/100 m2. Anthropogenic pressure was estimated as the frequency o

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Bertolino, M., M. Bo, S. Canese, G. Bavestrello, and M. Pansini. "Deep sponge communities of the Gulf of St Eufemia (Calabria, southern Tyrrhenian Sea), with description of two new species." Journal of the Marine Biological Association of the United Kingdom 95, no. 7 (2013): 1371–87. http://dx.doi.org/10.1017/s0025315413001380.

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Recently, the rich coral communities of the so called roche du large biocoenose of the Gulf of St Eufemia (southern Tyrrhenian Sea) between 90 and 130 m deep, have been described thanks to remotely operated vehicle (ROV) imaging. This preliminary survey evidenced the massive presence of a well-diversified sponge community living among the coral colonies. This work aims at giving an ecological overview of some of the dominant species of this environment, together with a taxonomic part including the description of new species: Topsentia calabrisellae sp. nov. and Haliclona (Soestella) fimbriata

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Horiguchi, Toshihiro, Keita Kodama, Takafumi Aramaki, Yoshiki Miyata, and Seiya Nagao. "Radiocesium in seawater, sediments, and marine megabenthic species in coastal waters off Fukushima in 2012–2016, after the 2011 nuclear disaster." Marine Environmental Research 137 (June 2018): 206–24. http://dx.doi.org/10.1016/j.marenvres.2018.03.014.

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Toma, Margherita, Giorgio Bavestrello, Francesco Enrichetti, et al. "Mesophotic and Bathyal Echinoderms of the Italian Seas." Diversity 16, no. 12 (2024): 753. https://doi.org/10.3390/d16120753.

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Echinoderms are among the most charismatic megabenthic taxa in mesophotic and deep waters. However, they generally have a scattered distribution and are difficult to collect, especially on hardgrounds, so defining their abundance, distribution and ecological preferences is challenging. The largest available Italian remotely operated vehicle dataset, including 624 dives carried out between 2006 and 2022 in coastal and offshore areas in the depth range of 40–1825 m, was used to assess echinoderm diversity and large-scale geographic and bathymetric distributions. Thirty-nine taxa were identified,

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Canessa, Martina, Giorgio Bavestrello, Marzia Bo, Francesco Enrichetti, and Egidio Trainito. "Filling a Gap: A Population of Eunicella verrucosa (Pallas, 1766) (Anthozoa, Alcyonacea) in the Tavolara-Punta Coda Cavallo Marine Protected Area (NE Sardinia, Italy)." Diversity 14, no. 5 (2022): 405. http://dx.doi.org/10.3390/d14050405.

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Among Mediterranean habitat-forming alcyonaceans, the sea fan Eunicella verrucosa is known to form dense forests at circalittoral depths, providing seascape complexity and sustaining a rich associated fauna. Its occurrence in the Tavolara–Punta Coda Cavallo Marine Protected Area (NE Sardinia) has never been deeply investigated despite this area being well known from a biocoenotic point of view. This study provides new information on the size of the colonies settled between 35 and 59 m depth on granitic outcrops and represents a contribution to highlighting the hotspot of megabenthic diversity

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Chimienti, Giovanni, Lorenzo Angeletti, Lucia Rizzo, Angelo Tursi, and Francesco Mastrototaro. "ROVvstrawling approaches in the study of benthic communities: the case ofPennatula rubra(Cnidaria: Pennatulacea)." Journal of the Marine Biological Association of the United Kingdom 98, no. 8 (2018): 1859–69. http://dx.doi.org/10.1017/s0025315418000851.

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Megabenthic soft bottom communities of trawlable grounds have been studied since the first few decades of the last century, thanks to trawl fishing technologies. Despite providing an extensive amount of presence data, trawling cannot be considered reliable from a quantitative point of view, frequently giving only weak information about sessile species density, large and small-scale distribution and main habitat features. The recent development of visual technologies on remotely operated vehicles (ROVs) can give a more accurate approach for the study of mega-epibenthic communities. The present

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Toma, Margherita, Marzia Bo, Marco Bertolino, et al. "Shedding Light on the Italian Mesophotic Spongofauna." Journal of Marine Science and Engineering 12, no. 11 (2024): 2110. http://dx.doi.org/10.3390/jmse12112110.

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An analysis of 483 remotely operated vehicle (ROV) dives carried out along the Italian coast on hard substrata at mesophotic depths (40–200 m) allowed an overview of the rich sponge diversity (53 taxa) of the deep continental platform to be obtained for the first time. About 40% of the potential actual species diversity was recognisable using ROV, suggesting that this group is among the richest yet underestimated using this technology in contrast to other megabenthic taxa. Additionally, the study allowed us to gather data on the current basin-scale distribution and bathymetric limits of five c

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Harbour, RP, CR Smith, C. Simon-Nutbrown, et al. "Biodiversity, community structure and ecosystem function on kelp and wood falls in the Norwegian deep sea." Marine Ecology Progress Series 657 (January 7, 2021): 73–91. http://dx.doi.org/10.3354/meps13541.

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Fjordic systems in temperate and Arctic regions often feature extensive kelp forests at their shallow coastal margins as well as extensive terrestrial forests. Detrital export from these shallow-water and terrestrial ecosystems is an important source of carbon for deep-sea communities in the form of kelp and wood falls. Benthic landers with experimental substrates (wood blocks and kelp parcels) were deployed for 10 mo at a depth of 530 m in a deep Norwegian fjord to investigate and compare macro- and megabenthic community structure, biodiversity and ecosystem functioning on kelp and wood falls

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Sumida, P. Y. G., C. R. Smith, A. F. Bernardino, P. S. Polito, and D. R. Vieira. "Seasonal dynamics of megafauna on the deep West Antarctic Peninsula shelf in response to variable phytodetrital influx." Royal Society Open Science 1, no. 3 (2014): 140294. http://dx.doi.org/10.1098/rsos.140294.

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The deep West Antarctic Peninsula (WAP) shelf is characterized by intense deposition of phytodetritus during spring/summer months, while very little food material reaches the seafloor during winter. The response of the shelf benthic megafauna to this highly variable food supply is still poorly understood. In order to characterize the deposition of phytodetritus and the megabenthic community response, we deployed a seafloor time-lapse camera at approximately 590 m depth on the mid WAP shelf west of Anvers Island for 15 months. Seafloor photographs were taken at intervals of 12 or 24 h nearly co

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Gómez, Luis Alfonso, and Camilo Bernando García. "Variaciones adaptativas en la talla de la megafauna bentónica de fondos blandos tropicales en función de parámetros bióticos y abióticos." Revista de Biología Tropical 65, no. 3 (2017): 1002. http://dx.doi.org/10.15517/rbt.v65i3.25579.

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Understanding and predicting adaptations in body size of megabenthic invertebrates remains a major challenge in marine macroecology. This study was conducted in order to investigate size variations of benthic megafauna in the tropics and to identify the effect of biotic and abiotic factors that may produce changes to these organisms, testing unresolved hypothesis and paradigms of deep sea ecology from subtropical and temperate areas. The study area covered the continental shelf of the Colombian Caribbean. The samples were collected during 1998, 2001 and 2005, using semi-globe demersal net for

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Saputri, Noviyani, Ita Riniatsih, and Widianingsih Widianingsih. "Asosiasi Megabenthos pada Ekosistem Lamun di Pulau Panjang dan Pantai Prawean Bandengan, Jepara." Journal of Marine Research 12, no. 4 (2023): 670–81. http://dx.doi.org/10.14710/jmr.v12i4.38410.

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Megabenthos termasuk biota laut yang hidup dengan menetap diatas substrat maupun membenamkan diri dalam substrat. Penelitian ini dilakukan dengan tujuan untuk membandingkan kelimpahan jenis megabenthos pada ekosistem lamun di Perairan Pulau Panjang dan Perairan Pantai Prawean Bandengan. Metode penelitian yang digunakan adalah observasi dan penentuan stasiun menggunakan metode purposive sampling. Pengambilan data megabenthos dan lamun dilakukan di Perairan Pulau Panjang dan Perairan Pantai Prawean Bandengan secara purposive sampling dengan menggunakan metode line transect Panduan Monitoring Pad

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Ibrahim, Putri Sapira, Sugeng Purwo Saputro, Fione Yukita Yalindua, Ana Faricha, and Teddy Triandiza. "Megabenthos monitoring in Ternate, North Maluku." IOP Conference Series: Earth and Environmental Science 1119, no. 1 (2022): 012005. http://dx.doi.org/10.1088/1755-1315/1119/1/012005.

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Abstract Several megabenthos groups have important economic and ecological values- also play an important role in the condition and stability of coral reef ecosystems. The important role of this megabenthos group makes it a potential object as an indicator to assess coral reef health. This study aimed to determine the condition of coral reefs by monitoring the megabenthos. The targeted megabenthos in this study consisted of eight groups (Holothuria sp., Diadema sp., Blue Starfish, Tridacna spp., Drupella, Trochus niloticus, Acanthaster planci, and Lobsters). Data collection was carried out in

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Satyawan, Noar Muda, and Novita Tri Atriningrum. "KONDISI EKSISTING FAUNA MEGABENTHOS DI PERAIRAN LABUHAN PANDAN LOMBOK TIMUR PASCA GEMPA BUMI LOMBOK 7.0 SKALA RICHTER." Jurnal Biologi Tropis 19, no. 2 (2019): 172. http://dx.doi.org/10.29303/jbt.v19i2.1303.

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Abstrak : Gangguan eksternal pada ekosistem terumbu karang dapat terjadi secara alami ataupun karena aktifitas manusia yang menimbulkan perubahan fisik maupun ekologis. Perubahan ekologis dapat terlihat dari perubahan komposisi biota yang berasosiasi di dalamnya. Salah satu kelompok biota yang berasosiasi dengan terumbu karang adalah megabenthos. Tujuan dari penelitian ini adalah untk mengetahui kondisi eksisting fauna megabenthos pada ekosistem terumbu karang di perairan Labuhan Pandan Lombok Timur. Pengamatan dilakukan pada 5 stasiun yaitu Gili Bidara (BDR_01), Gili Kondo (KND_01), Gili Peta

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Brix, Saskia, Stefanie Kaiser, Anne-Nina Lörz, et al. "Habitat variability and faunal zonation at the Ægir Ridge, a canyon-like structure in the deep Norwegian Sea." PeerJ 10 (June 15, 2022): e13394. http://dx.doi.org/10.7717/peerj.13394.

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The Ægir Ridge System (ARS) is an ancient extinct spreading axis in the Nordic seas extending from the upper slope east of Iceland (∼550 m depth), as part of its Exclusive Economic Zone (EEZ), to a depth of ∼3,800 m in the Norwegian basin. Geomorphologically a rift valley, the ARS has a canyon-like structure that may promote increased diversity and faunal density. The main objective of this study was to characterize benthic habitats and related macro- and megabenthic communities along the ARS, and the influence of water mass variables and depth on them. During the IceAGE3 expedition (Icelandic

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Pitcher, C. Roland, Nick Ellis, William N. Venables, et al. "Effects of trawling on sessile megabenthos in the Great Barrier Reef and evaluation of the efficacy of management strategies." ICES Journal of Marine Science 73, suppl_1 (2015): i115—i126. http://dx.doi.org/10.1093/icesjms/fsv055.

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Abstract A series of related research studies over 15 years assessed the effects of prawn trawling on sessile megabenthos in the Great Barrier Reef, to support management for sustainable use in the World Heritage Area. These large-scale studies estimated impacts on benthos (particularly removal rates per trawl pass), monitored subsequent recovery rates, measured natural dynamics of tagged megabenthos, mapped the regional distribution of seabed habitats and benthic species, and integrated these results in a dynamic modelling framework together with spatio-temporal fishery effort data and simula

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Dewiyanti, I., M. Mulyadi, M. Ulfa, C. Octavina, and H. A. Haridhi. "Biodiversity of megabenthos and coral reef condition in Tuan Island, Aceh Besar." IOP Conference Series: Earth and Environmental Science 869, no. 1 (2021): 012041. http://dx.doi.org/10.1088/1755-1315/869/1/012041.

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Abstract The existence of megabenthos has an important role in maintaining sustainability of coral reef ecosystems and in the food web process. Megabenthos is also often used as an indicator of the health condition of coral reefs. The purpose of study was to analyze the biodiversity of megabenthos associated with coral reef in Tuan Island. This research was conducted in July -September, 2020. There were four research stations determined by purposes method based on four wind directions. Megabenthos data collection carried out by benthos belt transect method and coral reef data collected by usin

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Syukra, Rera Agung, Rera Aga Salihat, and Miranda Nuraini. "Association of Coral Life Form with Megabenthos, Pasumpahan Island, Padang City." Jurnal Biologi Tropis 25, no. 2 (2025): 1557–65. https://doi.org/10.29303/jbt.v25i2.8842.

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Pasumpahan Island is a popular tourist destination in the Padang area. Increasing tourist activity is suspected to contribute to the degradation of the coral reef ecosystem, as observed during preliminary surveys. Coral reef degradation can significantly impact associated marine organisms, particularly megabenthos species. This study examined the association between coral life forms and megabenthos types through direct field observations. A quadrat method was applied using 5×5 m² plots across nine locations. Data analysis employed 2x2 contingency tables, and association strength was quantified

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Riniatsih, Ita, Ambariyanto Ambariyanto, and Ervia Yudiati. "Keterkaitan Megabentos yang Berasosiasi dengan Padang Lamun terhadap Karakteristik Lingkungan di Perairan Jepara." Jurnal Kelautan Tropis 24, no. 2 (2021): 237–46. http://dx.doi.org/10.14710/jkt.v24i2.10870.

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Seagrass bed are one of the ecosistems in shallow waters that can support the biodiversity of marine organisms. Megabenthos as benthic organisms that usually live in association in seagrass beds, have an important role in the food web in their habitat. This study aims to analyse the diversity of megabenthos associated with their habitat characteristics in seagrass waters in Bandengan, Teluk Awur and Panjang Island Jepara. This research was conducted using a descriptive field method, and megabenthos data collecting was carried out using the line transect method. Thr result showed that 158 indiv

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Cappenberg, Hendrik A. W., and Thomas Mahulette. "SEBARAN DAN KEPADATAN MEGABENTOS DI PERAIRAN PULAU BUTON, SULAWESI TENGGARA." BAWAL Widya Riset Perikanan Tangkap 11, no. 2 (2019): 79. http://dx.doi.org/10.15578/bawal.11.2.2019.79-93.

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Perairan Pulau Buton dan sekitarnya dengan wilayah terumbu karang yang cukup luas, kaya keanekaragaman hayati laut dan nilai estetika yang tinggi. Terumbu karang bermanfaat banyak bagi manusia dalam berbagai aspek ekonomi, sosial, dan budaya. Penelitian megabentos pada ekosistem terumbu karang ini telah dilakukan pada 2016 (April), 2017 (Juni) dan 2018 (Mei). Pengamatan dilakukan pada 15 stasiun yang tersebar pada pulau-pulau besar dan kecil dari timur hingga barat. Tujuan penelitian ini untuk mengetahui sebaran dan kepadatan megabentos serta kemiripan spesies antar stasiun pada perairan terse

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Akbar, Arham Hafidh, Sudirman Adibrata, and Wahyu Adi. "KEPADATAN MEGABENTOS PADA EKOSISTEM TERUMBU KARANG DI PERAIRAN DESA PERLANG BANGKA TENGAH, BANGKA BELITUNG." Akuatik: Jurnal Sumberdaya Perairan 13, no. 2 (2019): 173–77. http://dx.doi.org/10.33019/akuatik.v13i2.1621.

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This study aims to analyze the density of megabenthos in coral reef ecosystems in the waters of Perlang Village. This research was conducted in November 2019 in the waters of Perlang Village with the megabentos data collection method using the Bentos Belt Transect (BBT) method based on COREMAP CTI LIPI (2017) with 5 data collection stations. The results found 603 individuals consisting of 9 species from 4 megabenthos families in coral reef ecosystems. Species found at the study site are Diadema setosum, Diadema antillarium (Familli Deadematidae), Drupella cornus, Drupella rugosa (Family Murcid

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Vlasenko, R. V., and D. A. Sokolenko. "Distribution patterns for megabenthos in the Alekseev Bay (Amur Bay, Japan Sea)." Izvestiya TINRO 205, no. 1 (2025): 111–28. https://doi.org/10.26428/1606-9919-2025-205-111-128.

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Species composition and abundance of megazoobenthos is considered on results of SCUBA survey in the Alekseev Bay conducted in 2017. Six groupings of megabenthos are determined within the bay. The stock of megabenthos and general patterns of its biomass spatial distribution did not change much over the past 50 years, but some changes are detected for the boundaries of biotic groupings and their quantitative species composition. Filtering sestonophages, as mussel Crenomytilus grayanus and horsemussel Modiolus kurilensis, still dominated, but the latter became more abundant and wider distributed.

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Souhoka, Jemmy, H. A. W. Cappenberg, F. D. Hukom, et al. "The condition of megabenthos and reef fish in coral reef ecosystems in Aru Islands National Conservation Area, Southeast Maluku, Indonesia." E3S Web of Conferences 442 (2023): 01013. http://dx.doi.org/10.1051/e3sconf/202344201013.

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The waters of the Aru Islands are part of the National Marine Protected Areas (MNR), and have extensive coral reefs with high biodiversity. The study was conducted in October 2016 at twelve stations to determine the status of coral cover, composition, and density of megabenthos and reef fishes. Coral reef data collection refers to the Underwater Photo Transect (UPT), and data processing uses Coral Point Count for Excel (CPCe). The Benthos Belt Transect (BBT) method was used for megabenthos data, and the Underwater Visual Census (UVC) method was used for reef fish observations.The result of the

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Xu, Yu, Zifeng Zhan, and Kuidong Xu. "Morphological and Molecular Characterization of Five Species Including Three New Species of Golden Gorgonians (Cnidaria: Octocorallia) from Seamounts in the Western Pacific." Biology 10, no. 7 (2021): 588. http://dx.doi.org/10.3390/biology10070588.

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Members of genus Iridogorgia Verrill, 1883 are the typical deep-sea megabenthos with only seven species reported. Based on an integrated morphological-molecular approach, eight sampled specimens of Iridogorgia from seamounts in the tropical Western Pacific are identified as three new species, and two known species I. magnispiralis Watling, 2007 and I. densispicula Xu, Zhan, Li and Xu, 2020. Iridogorgia flexilis sp. nov. is unique in having a very broad polyp body base with stout and thick scales. Iridogorgia densispiralis sp. nov. can be distinguished by rods present in both polyps and coenenc

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Yau, Cynthia, Martin A. Collins, Phil M. Bagley, Inigo Everson, and Imants G. Priede. "Scavenging by megabenthos and demersal fish on the South Georgia slope." Antarctic Science 14, no. 1 (2002): 16–24. http://dx.doi.org/10.1017/s0954102002000536.

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The scavenging megafauna of the South Georgia and Shag Rocks slope in the south-west Atlantic (625–1519 m) were investigated using autonomous baited camera systems. Two surveys were conducted: the first in 1997 (13 deployments) used a conventional 35 mm stills camera with a 200 J flash, whilst the second in 2000 (15 deployments) used low-light digital video cameras. The scavenging community responded rapidly to the arrival of bait on the sea floor and was dominated by stone crabs (Lithodidae) and toothfish (Dissostichus eleginoides). Stone crabs took up residence around the bait until it was c

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Jones, Daniel O. B., Juan J. Cruz-Motta, David Bone, and Janne I. Kaariainen. "Effects of oil drilling activity on the deep water megabenthos of the Orinoco Fan, Venezuela." Journal of the Marine Biological Association of the United Kingdom 92, no. 2 (2011): 245–53. http://dx.doi.org/10.1017/s0025315411001123.

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The response of a deep-water megafaunal assemblage to sedimentation disturbance from hydrocarbon drilling was investigated using remotely operated vehicle video off the Atlantic coast of Venezuela. This was the first assessment of megafauna in bathyal waters in this region. A two-way analysis of variance (ANOVA) design was used to assess patterns in density and assemblage structure both temporally, before and after the drilling event, and spatially, at different distances from the disturbance. High levels of sedimentation occurred within a radius of 20 to 50 m from the drilling site. Megafauna

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Gutt, Julian, and Thomas Schickan. "Epibiotic relationships in the Antarctic benthos." Antarctic Science 10, no. 4 (1998): 398–405. http://dx.doi.org/10.1017/s0954102098000480.

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On the high Antarctic shelf, 374 different epibiotic relationships of the megafauna were photographically registered and statistically analysed. These comprised 47 different epibiotic and 96 substratum taxa and had obvious differences in abundance and presence in three different benthic assemblages. Six abundant obligatory relationships in which the epibiont occurred almost exclusively on one type of substratum had highly specialized epibionts. For an additional eight relationships, a statistical test revealed that the epibionts preferred specific living and elevated mineral substrata. Most of

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Sartimbul, Aida, Rafika Devi Agustin, Dhira Khurniawan Saputra, et al. "Dapatkah Megabentos Epifauna Tumbuh pada Geobag? Studi Kasus di Desa Banyuurip, Gresik." Buletin Oseanografi Marina 10, no. 2 (2021): 133–42. http://dx.doi.org/10.14710/buloma.v10i2.34971.

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Berbagai upaya telah dilakukan untuk mengatasi masalah abrasi di wilayah pesisir pantai Desa Banyuurip, Gresik. Upaya yang dilakukan salah satunya adalah reboisasi mangrove, namun upaya tersebut belum efektif, sehingga salah satu solusinya adalah dengan dipasangnya geosyntheticbag (geobag), yang merupakan kantong ramah lingkungan berisi pasir yang disusun dan dapat berfungsi sebagai perangkap sedimen dan pelindung pantai. Tujuan dari penelitian ini adalah untuk mengetahui pada bulan ke berapa biota dapat tumbuh pada geosintetik dan struktur komunitas biota yang tumbuh menggunakan metode random

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Cillari, Tiziana, Alessandro Allegra, Daniela Berto, et al. "Snapshot of the Distribution and Biology of Alien Jellyfish Cassiopea andromeda (Forsskål, 1775) in a Mediterranean Touristic Harbour." Biology 11, no. 2 (2022): 319. http://dx.doi.org/10.3390/biology11020319.

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Harbors are hotspots for the introduction of alien species, and, usually, investigations on their host populations help fill the knowledge gap in their pathways of invasion and in their impacts on marine biodiversity and ecosystems. In 2014, the upside-down alien jellyfish Cassiopea andromeda invaded a Mediterranean touristic harbor (“Cala”), and its abundance has since increased over time. In the present study, the distribution and trophic behavior of C. andromeda in Cala were investigated for the years 2017–2018 through visual sampling, and GIS-based statistical and stable isotope analyses.

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Ganmanee, Monthon, Teruyoshi Narita, and Hideo Sekiguchi. "Long-Term Investigation of Spatio-Temporal Variations in Faunal Composition and Species Richness of Megabenthos in Ise Bay, Central Japan." Journal of Oceanography 60, no. 6 (2004): 1071–83. http://dx.doi.org/10.1007/s10872-005-0015-5.

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