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Letteratura scientifica selezionata sul tema "Artificial fish habitats"

Autore: Grafiati

Pubblicato: 14 dicembre 2024

Ultima modifica: 19 luglio 2025

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Articoli di riviste sul tema "Artificial fish habitats"

Mellin, C., and D. Ponton. "Assemblages of reef fish settling on artificial substrates: effect of ambient habitat over two temporal scales." Marine and Freshwater Research 60, no. 12 (2009): 1285. http://dx.doi.org/10.1071/mf08319.

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Artificial habitats provide a unique opportunity to investigate how habitat characteristics structure juvenile fish assemblages after settlement. We quantified the differences between assemblages of juvenile fish on artificial substrates moored in macroalgal beds, seagrass beds or coral patches over two temporal scales that corresponded to a short (48 h) and a longer (>2 weeks) immersion time, respectively. The highest abundances were obtained from artificial habitats moored in seagrass beds, whatever the immersion time was. Total abundances of juveniles increased 3-fold between a short and

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McIntyre, Alasdair D. "Artificial habitats for fish." Marine Pollution Bulletin 19, no. 3 (1988): 139–40. http://dx.doi.org/10.1016/0025-326x(88)90713-8.

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Pereira, Pedro Henrique Cipresso, Marcus Vinicius Bezerra dos Santos, Daniel Lino Lippi, Pedro Henrique de Paula Silva, and Breno Barros. "Difference in the trophic structure of fish communities between artificial and natural habitats in a tropical estuary." Marine and Freshwater Research 68, no. 3 (2017): 473. http://dx.doi.org/10.1071/mf15326.

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The present study tested the hypothesis that artificial habitats (pier and bridge) harbour different fish trophic guilds compared with natural habitats (mangrove roots) and that the trophic structure of fish communities on estuarine artificial habitats resembles adjacent coral reefs. High-definition cameras were used to survey the fish community associated with the different structures over a 6-month period. Benthos was also analysed following the point intercept method on the different habitats. In the estuary, fish abundance was up to threefold higher and species richness twofold higher on a

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Budijono, Budijono, Ridwan Manda Putra, Muhammad Fauzi, et al. "Observations of fish species diversity in floating artificial habitats in Koto Panjang reservoirs, Indonesia." BIO Web of Conferences 136 (2024): 03008. http://dx.doi.org/10.1051/bioconf/202413603008.

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Monitoring the diversity of fish species in artificial floating habitats that are continuously tested in the waters of the Koto Panjang Reservoir is important to assess the current availability of fish species resources. This study aims to evaluate the increase in fish species in the different artificial floating habitat structures that were tested. This study was conducted from November 2023 to June 2024 in the Koto Panjang Reservoir on 9 existing floating habitat structures. Each structure has 8 attractors with media (raffia rope, plastic rope, packaging bottles) hung at a depth of 2 m. Each

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García-Salines, Laura, and Pablo Sanchez-Jerez. "Comparing the Structure of Fish Assemblage among Natural and Artificial Shallow Rocky Habitats." Oceans 5, no. 2 (2024): 244–56. http://dx.doi.org/10.3390/oceans5020015.

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Artificial coastal structures, such as seawalls, breakwaters, and groins, can exert various impacts on the fish communities in the nearby regions. This study focuses on assessing the ecological effects of coastal infrastructure on marine environments, by comparing, at different seasons, the habitat complexity and heterogeneity, as well as their effects on fish assemblages, between the artificial habitat created with the intention of constructing a marina (Puerto Amor) and the natural habitats surrounding the Cabo de la Huerta area in Alicante (Spain). Employing an asymmetric design and examini

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Paxton, Avery B., and Derek Smith. "Visual cues from an underwater illusion increase relative abundance of highly reef-associated fish on an artificial reef." Marine and Freshwater Research 69, no. 4 (2018): 614. http://dx.doi.org/10.1071/mf17179.

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Cues from visual, auditory and olfactory stimuli affect habitat selection by reef fish, yet questions remain regarding how fish use visual cues to select habitats. With growing numbers of human-made structures, such as artificial reefs, deployed on ocean floors, understanding how visual cues influence fish selection of human-made habitats is timely. We conducted a field experiment to test whether visual stimuli influenced the relative abundance of fish on an artificial reef. We discovered that visual cues from an illusion created by a mirror installed on the reef increased the relative abundan

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Flávio, Hugo, Rochelle Seitz, David Eggleston, Jon C. Svendsen, and Josianne Støttrup. "Hard-bottom habitats support commercially important fish species: a systematic review for the North Atlantic Ocean and Baltic Sea." PeerJ 11 (January 17, 2023): e14681. http://dx.doi.org/10.7717/peerj.14681.

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Hard-bottom habitats span a range of natural substrates (e.g., boulders, cobble) and artificial habitats (e.g., the base of wind turbines, oil platforms). These hard-bottom habitats can provide a variety of ecosystem services, ranging from the enhancement of fish biomass and production to providing erosion control. Management decisions regarding the construction or fate of hard-bottom habitats require information on the ecological functions of these habitats, particularly for species targeted in ecosystem-based fisheries management. This study provides a systematic review of the relationships

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Langhamer, Olivia. "Artificial Reef Effect in relation to Offshore Renewable Energy Conversion: State of the Art." Scientific World Journal 2012 (2012): 1–8. http://dx.doi.org/10.1100/2012/386713.

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The rapid worldwide growth of offshore renewable energy production will provide marine organisms with new hard substrate for colonization, thus acting as artificial reefs. The artificial reef effect is important when constructing, for example, scour protections since it can generate an enhanced habitat. Specifically, artificial structures can create increased heterogeneity in the area important for species diversity and density. Offshore energy installations also have the positive side effect as they are a sanctuary area for trawled organisms. Higher survival of fish and bigger fish is an expe

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Radford, C. A., C. J. Sim-Smith, and A. G. Jeffs. "Can larval snapper, Pagrus auratus, smell their new home?" Marine and Freshwater Research 63, no. 10 (2012): 898. http://dx.doi.org/10.1071/mf12118.

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The ability to find a suitable settlement habitat after a pelagic larval period represents a significant challenge to marine settlement-stage larvae, and the mechanisms by which they achieve this are poorly understood. There is good evidence that olfactory cues are used by some coral reef fish larvae to locate suitable settlement habitats; however, the same understanding is lacking for marine temperate fish. Here we show for the first time that the larvae of an important commercial and recreational marine temperate fish, Pagrus auratus, can use olfactory cues to orient to appropriate settlemen

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Bi, Sheng, Han Lai, Dingli Guo, et al. "The Characteristics of Intestinal Bacterial Community in Three Omnivorous Fishes and Their Interaction with Microbiota from Habitats." Microorganisms 9, no. 10 (2021): 2125. http://dx.doi.org/10.3390/microorganisms9102125.

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Artificial fishery habitats have been extensively used for fishery resource protection and water habitat restoration, and they could attract a large number of omnivorous fishes to gather together. This study intended to reveal the relationship between bacterial communities in the habitats (water and sediment) and intestines of omnivorous fishes (Oreochromis mossambicus, Toxabramis houdemeri and Hemiculter leucisculus). Therefore, we investigated the bacterial communities of samples collected from intestines, water, and sediments in artificial fishery habitats via 16S rRNA metabarcoding high-th

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Tesi sul tema "Artificial fish habitats"

Patranella, Allison. "Artificial Reefs as Juvenile Fish Habitats in Marinas." NSUWorks, 2016. http://nsuworks.nova.edu/occ_stuetd/423.

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Coastal infrastructure has replaced many vital fish nursery habitats with structures designed without fully mitigating for the loss of the natural ecosystems. This thesis details research focused on the use of small, inexpensive, artificial reef modules as replacement juvenile fish habitat within marinas. My research hypothesis was that the placement of small, structurally complex artificial reef modules would increase fish abundance and species richness relative to unmodified marina seawalls. Non-destructive visual surveys of fishes were completed monthly for 14 months for 12 artificial reef

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Brickhill, Michael John. "Enhancement of Fish Stock by Habitat Manipulation in Artificial Waterways." Thesis, Griffith University, 2009. http://hdl.handle.net/10072/367810.

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Two widely-recognised hypotheses propose that increases in fish abundance at artificial reefs are caused by: (a) the attraction and redistribution of existing individuals; and/or (b) the addition of new individuals by production. Inadequate experimental designs compromised by a lack of sufficient replication and/or spatial interspersion of reefs with controls have prevented researchers from distinguishing between attraction and production. Infrequent sampling has also led to insufficient temporal coverage of life history-driven variations in fish abundance and biomass at reefs. Detection an

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Bouchoucha, Marc. "Les zones portuaires peuvent-elles servir de nourriceries alternatives pour les poissons marins côtiers ? : cas des sars en Méditerranée Nord-occidentale." Thesis, Perpignan, 2017. http://www.theses.fr/2017PERP0046/document.

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Au cours de leur cycle de vie, la plupart des espèces de poissons marins côtiers passent par des nourriceries littorales dont la qualité influence largement le succès du recrutement et donc le maintien de l’abondance de leurs populations. Or, la construction de ports entrain irrémédiablement une perte de fonction pour les habitats côtiers impactés. Dans ce contexte,l’objectif général de cette thèse était de voir si les zones portuaires peuvent malgré tout servir de nourriceries alternatives pour les poissons marins côtiers. Pour cela, les abondances des juvéniles de quatre espèces de sars, du

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Varenne, Alix. "Étude de la diversité des nurseries artificielles dans les zones portuaires et de leur connectivité trophique avec les écosystèmes adjacents." Electronic Thesis or Diss., Université Côte d'Azur, 2024. http://www.theses.fr/2024COAZ5044.

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Le développement côtier introduit des habitats artificiels qui impactent la biodiversité et le fonctionnement des écosystèmes. Les solutions d'ingénierie écologique, comme les habitats artificiels à poissons (HAP), peuvent réhabiliter des zones très modifiées, comme les ports, en offrant un abri aux poissons. Les HAP peuvent aussi fournir un substrat aux invertébrés et aux macroalgues, améliorant le fonctionnement de l'écosystème. Leurs effets pourraient aller au-delà des ports et modifier les échanges trophiques avec les habitats adjacents. Cette thèse étudie la biodiversité des invertébrés a

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Lopez-Marcano, Sebastian E. "Measuring cross-habitat movements among habitat hotspots of fish with artificial intelligence." Thesis, Griffith University, 2022. http://hdl.handle.net/10072/414922.

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Connectivity, defined as the movement of individuals among populations or habitats, is a crucial ecological process that underpins the function of ecosystems. Animal movements promote a wide array of ecological outcomes, from genetic diversity to ecosystem recovery after disturbance. Therefore, it is necessary to have a clear understanding of the capabilities, scale, frequency, and locations of animal movements. In aquatic ecosystems, obtaining and analysing movement data is challenging because constantly changing environmental conditions hamper the use of traditional frameworks and methods. T

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Lee, Hing-kong Edwin. "Methods to assess fisheries enhancement by the deployment of artificial reefs (a case study at Hoi Ha Wan, Hong Kong) /." Hong Kong : University of Hong Kong, 2000. http://sunzi.lib.hku.hk/hkuto/record.jsp?B22264048.

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Mueller, Robert F. Jr. "Fish assemblages in the Wabash River : responses to substrate variation in field collections and artifical streams." Virtual Press, 2008. http://liblink.bsu.edu/uhtbin/catkey/1391677.

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Relationships between fish assemblage composition and substrate variation is poorly understood in large rivers. Information on fishes occurrence and behavior and substrate variation were examined in field observations for the Middle Wabash River and fine scale artificial streams experiments. The results from field observations suggested strong concordance for variation in abundance of fishes with habitat variation among sites, resulting in a longitudinal river gradient as dominant in the Middle Wabash River. In addition, shifts in fish behavior within artificial stream experiments demonstrated

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Armono, Haryo Dwito. "Flow field around single and multiple hollow hemispherical artificial reefs used for fish habitat." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0030/MQ47434.pdf.

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Porter, Augustine Gus. "Habitat structural complexity in the 21st century: measurement, fish responses and why it matters." Thesis, The University of Sydney, 2019. http://hdl.handle.net/2123/20457.

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The physical shape or structure of a habitat is a key driver of species’ distributions and central to maintaining diversity through ecological niche differentiation. Anthropogenic influences are changing the structure of habitats and the assemblages of associated organisms globally. Understanding the links between the physical shape of habitats and the organisms they support will be essential to predicting and mitigating anthropogenic impacts. In marine ecosystems climate change, bottom trawling and marine infrastructure drive changes to the structure of habitats. While many of the observed an

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梁懷彥 and Wai-yin Albert Leung. "Temporal trends in fish abundance and species composition on an open access artificial reef in Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B31244439.

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Libri sul tema "Artificial fish habitats"

Cruz, Titto D'. Artificial fish habitats: Impact on artisanal fisheries. South Indian Federation of Fishermen Societies, 1995.

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Rigs-to-Reefs Special Session (1987 Miami, Fla.). Petroleum structures as artificial reefs: A compendium : Fourth International Conference on Artificial Habitats for Fisheries, Rigs-to-Reefs Special Session, Miami, Florida, November 4, 1987. U.S. Dept. of the Interior, Minerals Management Service, Gulf of Mexico OCS Regional Office, 1989.

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W, Murphey Stephen. North Carolina artificial reefs. North Carolina Dept. of Environment, Health and Natural Resources, Division of Marine Fisheries, 1991.

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Noble, Elizabeth B. The North Carolina artificial reef master plan. North Carolina Dept. of Natural Resources and Community Development, Division of Marine Fisheries, 1988.

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Viavant, Timothy Roland. Fish attraction to artificial structure in Chena Lakes [i.e. Lake], Alaska. Alaska Dept. of Fish and Game, Division of Sport Fish, 1995.

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Lewis, Robin D. A guide to the artificial reefs of Southern California. State of California, Resources Agency, Dept. of Fish and Game, 1989.

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Wilson, Kenneth C. Report of Pendleton artificial reef studies with recommendations for constructing a kelp reef. California Dept. of Fish and Game, Nearshore Sport Fish Habitat Enhancement Program, 1991.

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Bolding, Bruce. Use of artificial structure to enhance freshwater sportfish communities in lake, ponds and reservoirs: A literature review. Washington State Dept. of Fish and Wildlife, Inland Fish Investigations, Science Division, 2001.

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Reggio, Villere C. Rigs-to-reefs: The use of obsolete petroleum structures as artificial reefs. U.S. Dept. of the Interior, Minerals Management Service, Gulf of Mexico OCS Regional Office, 1987.

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Reggio, Villere. Rigs-to-reefs: The use of obsolete petroleum structures as artificial reefs. U.S. Dept. of the Interior, Minerals Management Service, Gulf of Mexico OCS Regional Office, 1987.

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Capitoli di libri sul tema "Artificial fish habitats"

Castro-Fernández, Julia, José M. Disdier-Gomez, Olga Reñones, et al. "Using diver-operated stereo-video to monitor juvenile fish assemblages in Mediterranean coastal habitats formed by macrophytes." In Ninth International Symposium “Monitoring of Mediterranean Coastal Areas: Problems and Measurement Techniques”. Firenze University Press, 2022. http://dx.doi.org/10.36253/979-12-215-0030-1.55.

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Littoral systems with macrophytes are nursery areas for fish. We aim to develop a combination of stereo-video and habitat mapping methods for studying fish recruitment at various temporal and spatial scales. Some benefits are: videos are permanent and data can be used for developments of artificial intelligence. There are also disadvantages: cameras have a limited field of view and video processing is time-consuming. Introducing this methodology is of great importance to assess changes in the habitat structure and the ecosystem functions provided for the fish community.

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Hai, Tao, Jincheng Zhou, Hoorieh Ahmadi, et al. "Predicting Fish Habitat in the Persian Gulf Using Artificial Intelligence." In Lecture Notes in Networks and Systems. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-37164-6_22.

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Hickley, P., and D. Harper. "Fish Community and Habitat Changes in the Artificially Stocked Fishery of Lake Naivasha, Kenya." In Management and Ecology of Lake and Reservoir Fisheries. Blackwell Publishing Ltd, 2007. http://dx.doi.org/10.1002/9780470995679.ch20.

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Akpolat, Veysi, and İrem Akpolat. "Radionuclides in Food." In Food Safety. Nobel Tip Kitabevleri, 2024. http://dx.doi.org/10.69860/nobel.9786053358787.24.

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Radiation can be found naturally or can be created by human-made artificial sources. Radioactive unstable elements divide to become stable, they release the excess energy in their nuclei to their surroundings by producing different types of radiation. This uranium, radium, thorium, potassium, etc. on earth. Cosmic rays coming from the sun and outer space, together with unstable elements, create a certain level of natural radiation in the environment. Therefore, natural radiation comes from many naturally occurring radioactive substances found in the soil, water, air and body in the environment where we spend our daily lives.The intake of natural radioisotopes into the body through digestion varies depending on the consumption rate of food and beverages and the radioisotope concentration. The concentration of radioisotopes naturally found in foods varies depending on the natural background levels, climate and agricultural practices of the region. Likewise, eating habits vary from region to region and country to country.All foods contain radionuclides, which are transferred from soil to crops on land and from water to fish in seas, lakes and rivers. Natural radionuclides in drinking water and food generally have very low levels and are safe for human consumption. In normal situations, a reference level of 1 mSv in a year applies to the individual radiation dose from the consumption of food. The same reference level applies separately to drinking water. These references are determined by the WHO/FAO Codex Alimentarius Commission has established “Guideline Levels” for radionuclides in foods destined for human consumption and traded internationally.

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"Marine Artificial Reef Research and Development: Integrating Fisheries Management Objectives." In Marine Artificial Reef Research and Development: Integrating Fisheries Management Objectives, edited by Sean F. Keenan, Theodore S. Switzer, Kevin A. Thompson, Amanda J. Tyler-Jedlund, and Anthony R. Knapp. American Fisheries Society, 2018. http://dx.doi.org/10.47886/9781934874516.ch9.

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Abstract.—Reef-fish assemblage structure was compared among multiple artificial and geologic (i.e., naturally occurring hard bottom) habitats in the northeastern Gulf of Mexico during 2014–2016 as part of a larger fishery-independent survey. Baited remote underwater video systems equipped with stereo cameras were deployed (n = 348) on 11 habitat types, classified through interpretation of side-scan sonar imagery. In the video samples, 11,801 fish were enumerated. Nonparametric analysis of reef-fish assemblages detected four clusters related to habitat; assemblages associated with geologic habitats were distinct, whereas the remaining three clusters represented groupings of artificial habitats of different size, scale, and complexity. While many species, including Vermilion Snapper Rhomboplites aurorubens and Red Snapper Lutjanus campechanus, were observed in greater numbers on artificial reef habitats, most species were observed in all habitats sampled. Among artificial reef habitats, the habitat cluster consisting of unidentified depressions, unidentified artificial reefs, construction materials, and reef modules was similar to geologic habitats in supporting larger individuals, specifically Gray Triggerfish Balistes capriscus and Red Snapper. In contrast, the habitat cluster consisting of smaller, generally solitary chicken-transport cages was inhabited by smaller individuals, including smaller Red Snapper. Although geologic reefs are the predominant reef habitat throughout much of the eastern Gulf, artificial reefs are important locally, especially in the Florida Panhandle. Accordingly, continued incorporation of artificial reef habitats within large-scale fishery-independent monitoring efforts is critical to the accurate assessment of the status of reef-fish stocks on broad spatial scales.

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"Fish Habitat: Essential Fish Habitat and Rehabilitation." In Fish Habitat: Essential Fish Habitat and Rehabilitation, edited by Kenneth W. Able. American Fisheries Society, 1999. http://dx.doi.org/10.47886/9781888569124.ch11.

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Abstract .—Defining and quantifying essential fish habitat is difficult, perhaps particularly so in estuaries, which are typically dynamic. Yet we need habitat data to make informed decisions about the management of estuarine habitats and associated fish populations. Our ongoing efforts to resolve issues of fish habitat quality have been centered in the relatively unaltered Jacques Cousteau National Estuarine Research Reserve (the Reserve) in the Mullica River–Great Bay estuary in southern New Jersey, where extensive studies of fishes and their habitats have been conducted during the last decade. Much of our effort to define essential fish habitat has focused on a variety of shallow-water habitats (eelgrass, macroalgae, marsh creeks, unvegetated substrates of different grain sizes) where it is easier to sample in a quantitative manner (e.g., using throw traps and beam trawls) and conduct experimental manipulations (e.g., caging, deploying of artificial habitats). Although our studies in the Reserve have been extensive, they still have been focused on a relatively small component (less than 3%) of the fish fauna of the Reserve, including several species of economic importance. These species include winter flounder Pseudopleuronectes americanus , summer flounder Paralichthys dentatus , tautog Tautoga onitis , and black sea bass Centropristis striata . This work has examined the period from larval ingress and settlement through the first year using a variety of complementary approaches. To date, these studies have included measures of habitat-specific distribution, abundance, residence time, and growth. Attempts to identify both habitat-specific measures of mortality and sources of mortality have proven especially difficult for the migratory fishes typical of Middle Atlantic Bight estuaries. In fact, this mobility, which occurs at seasonal, diel, tidal, and episodic (storms, upwelling, etc.) scales, makes it difficult to assess residence times and confounds attempts to measure habitat quality. The measures of habitat quality that we have used suggest that there are species-specific and habitat-specific responses; however, data sets for multiple years are seldom available to confirm these responses. Efforts to quantify essential fish habitat will be limited in their effectiveness until interannual variability can be assessed.

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"Fish Habitat: Essential Fish Habitat and Rehabilitation." In Fish Habitat: Essential Fish Habitat and Rehabilitation, edited by Philip Roni, Laurie A. Weitkamp, and Joe Scordino. American Fisheries Society, 1999. http://dx.doi.org/10.47886/9781888569124.ch9.

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Abstract.— Freshwater and marine essential fish habitat (EFH) for chinook Oncorhynchus tshawytscha , coho O. kisutch , pink O. gorbuscha , and sockeye O. nerka salmon within Washington, Oregon, California, and Idaho was described and identified using the available literature and databases on salmon distribution and life history. The diversity of freshwater habitats utilized by individual species of salmon coupled with the limitations of existing distribution maps precluded identification of specific stream reaches, wetlands, and other water bodies as EFH for Pacific salmon. A more holistic watershed approach consistent with the ecosystem method recommended by the revised Magnuson-Stevens Fishery Conservation and Management Act was necessary. Therefore, Pacific salmon freshwater EFH was delineated and described as all existing water bodies currently and historically utilized by Pacific salmon within selected watersheds defined by U.S. Geological Survey hydrologic units. Areas above some long-standing artificial barriers to juvenile and adult salmon migration were excluded from designation as Pacific salmon EFH. Delineation of marine EFH was also problematic because of the paucity of scientific studies on offshore Pacific salmon habitat use and distribution. However, available scientific data augmented by information from commercial fisheries indicate that juvenile salmon are found in high concentrations in the nearshore areas of the continental shelf off the Washington, Oregon, and California coasts from late spring through fall. Therefore, Pacific salmon marine EFH was identified as all waters within 60 km of the Washington, Oregon, and California coasts north of Point Conception, California. This initial effort to identify Pacific salmon EFH emphasized the need for accurate, fine-scale geographic information systems data on freshwater and marine salmon distribution and habitat quality and the need for compilation of uniform data sets. Future efforts should focus on developing accurate seasonal salmon distribution data at a 1:24,000 scale to aid in more precise and accurate delineation of Pacific salmon EFH. Furthermore, detailed information on winter distribution of Pacific salmon would be useful in delineating marine EFH.

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Kushlan, James A., and James A. Hancock. "Javan Pond-Heron Ardeola speciosa." In Herons. Oxford University PressOxford, 2005. http://dx.doi.org/10.1093/oso/9780198549819.003.0039.

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Abstract rice fields and other artificial habitats. The use of these are now likely critical to population stability. The loss of fish pond habitat led to a decrease of herons in Hong Kong (Young 1998). The management of occupied wetlands, including artificial environments occupied by the birds, is a critical conservation measure for the long-term stability of the populations. Eggs and birds are taken for food in China (Parish and Melville 1985). However, range expansion continues despite these losses. Hunting and other human use need to be evaluated.

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Atti di convegni sul tema "Artificial fish habitats"

Langhamer, Olivia, Dan Wilhelmsson, and Jens Engstro¨m. "Development of Invertebrate Assemblages and Fish on Offshore Wave Power." In ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/omae2009-79239.

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A significant development of offshore wave power is planned in the future, and its impact on the marine environment is unclear. Solid structures placed on the seabed create new habitats and function as artificial reefs for marine organisms. In this study we investigated the artificial reef effect and fouling impacts on offshore wave power devices deployed at the Swedish west coast. Here, buoys acting as point absorbers on the surface are connected to generators anchored on concrete foundations on the seabed. We studied the influence of surface orientation of the wave power foundations on epibi

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Djikanović, Vesna, Jelena Vranković, Katarina Jovičić, Katarina Zorić, Nemanja Pankov, and Branko Miljanović. "FISH COMMUNITY OF BELOCRKVAN LAKES." In 53rd Annual Conference of the Serbian Water Pollution Control Society. SERBIAN WATER POLLUTION CONTROL SOCIETY, 2024. http://dx.doi.org/10.46793/voda24.149dj.

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Research of fish communities was carried out in November 2023 in artificial lakes in the area of Bela Crkva. Using a multiparameter probe, the basic physical and chemical parameters of water quality were measured, according to which the waters of these lakes belongs to the class I and II waters. In total, the presence of nine species from six families was registered. Of the total number of registered species, two are listed in the Berne Convention, while one species is listed in the Habitats Directive. According to national legislation, one species is strictly protected, while three species ar

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Hii, Y. S., M. H. Mohd, Mohd Izzat Mohd Thiyahuddin, M. A. A. Rahman, and C. H. Tan. "Improving Biological Reefing Viability Index as a Predictive Tool for Assessment of Potential Reefing Site in the Tropical Shallow Offshore Environment." In SPE Symposium: Decommissioning and Abandonment. SPE, 2021. http://dx.doi.org/10.2118/208497-ms.

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Abstract The current study improved the predictive capability of the biological reefing viability index (BRVI) calibrated using local data. The prediction capability of the BRVI improved from 61% to 76% accuracy out of the 181 locations where the underwater videos available for verification. The BRVI includes corals larvae density, age of larvae at site, sea current, sea temperature, chlorophyll-a, water depth and sediment type to predict biological productivity of an area. Among the parameters, corals larvae density and age of the larvae are the most critical parameters that influent establis

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Sneitzer, B. "Artificial Fish Habitat." In OCEANS '86. IEEE, 1986. http://dx.doi.org/10.1109/oceans.1986.1160490.

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A.V., Shokurova, Anishchenko O. V., Kashinskaya E.N., and Solovyev M.M. "THE ELEMENTAL COMPOSITION OF BILE OF SOME MARINE AND FRESHWATER FISH SPECIES AND ITS POSSIBLE PRACTICAL APPLICATION IN AQUACULTURE." In II INTERNATIONAL SCIENTIFIC AND PRACTICAL CONFERENCE "DEVELOPMENT AND MODERN PROBLEMS OF AQUACULTURE" ("AQUACULTURE 2022" CONFERENCE). DSTU-Print, 2022. http://dx.doi.org/10.23947/aquaculture.2022.29-31.

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The elemental composition of the bile of 429 fish individuals of 21 species of freshwater and marine fish has studied. Macroelements (Ca, K, Mg, Na, P, S), regardless of the diets and habitat of fish, were in the highest concentrations if compare to other elements. However, it is possible to note some differences in the concentrations of such macronutrients as K and Na between marine and freshwater species. Cu, Li and Sr were found in the bile of all studied freshwater species, while bile form marine species has always contained elements such as As, Cu, Li, Se and Sr. At the same time, Bi, Cd,

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Smith, John B., and Robert C. Byrd. "Amended Reefing Legislation is Needed to Spur Decommissioning of California Offshore Oil and Gas Platforms." In Offshore Technology Conference. OTC, 2025. https://doi.org/10.4043/35596-ms.

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Abstract This paper describes the operating status of oil and gas platforms offshore California and factors inhibiting the timely decommissioning and removal of aging oil and gas infrastructure. The paper further highlights the environmental, safety, and financial risks created by delayed decommissioning. A major factor contributing to the delay in decommissioning California platforms is the lack of a functional artificial reefing program. This, and the lack of west coast materials disposal facilities having the capability to offload and process the topsides and jackets of large platforms, cre

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Smith, John B., and Robert C. Byrd. "Idle Iron Decommissioning Offshore California and the Need to Amend Reefing Legislation." In SPE Western Regional Meeting. SPE, 2025. https://doi.org/10.2118/224190-ms.

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Tang, Yanli, Qi Hu, Xinxin Wang, Fenfang Zhao, Liuyi Huang, and Tao Xie. "Evaluation of Flow Field in the Layouts of Cross-Shaped Artificial Reefs." In ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/omae2019-95192.

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Abstract Artificial reefs (ARs) are purposely submerged in natural aquatic environments to provide additional habitat for fish. The reasonable layout of ARs on the sea floor can effectively enhance and support important marine species. This research involves a three-dimensional numerical simulation to analyze the flow effect of three types of AR layouts based on computational fluid dynamics. Through numerical simulation of the flow past the reefs, we can determine the scale of the upwelling and back-eddy flow. Based on the simulation data, the rational transverse distance between two cross-sha

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Jurminskaia, Olga, Igor Shubernetskii, and Nadejda Andreev. "Effect of lactobacilli on autochthonous microflora of fish ponds." In 5th International Scientific Conference on Microbial Biotechnology. Institute of Microbiology and Biotechnology, 2022. http://dx.doi.org/10.52757/imb22.47.

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The abundance of bacterioplankton and bacteriobenthos in fish ponds is largely determined by three main factors: water temperature, fish stocking density and fertilizers used. As the water temperature rises, the intensity of the metabolic processes of the microbiota increases, and their number increases significantly. The greatest number of microorganisms is contained in the surface layer of bottom sediments. Intensive consumption of the oxygen by bacterioplankton and bacteriobenthos can lead to fish kills. The use of probiotics in aquaculture is of great interest: their influence on the immun

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Rapporti di organizzazioni sul tema "Artificial fish habitats"

Sprague, Joshua, David Kushner, James Grunden, Jamie McClain, Benjamin Grime, and Cullen Molitor. Channel Islands National Park Kelp Forest Monitoring Program: Annual report 2014. National Park Service, 2022. http://dx.doi.org/10.36967/2293855.

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Channel Islands National Park (CHIS) has conducted long-term ecological monitoring of the kelp forests around San Miguel, Santa Rosa, Santa Cruz, Anacapa and Santa Barbara Islands since 1982. The original permanent transects were established at 16 sites between 1981 and 1986 with the first sampling beginning in 1982, this being the 33rd year of monitoring. An additional site, Miracle Mile, was established at San Miguel Island in 2001 by a commercial fisherman with assistance from the park. Miracle Mile was partially monitored from 2002 to 2004, and then fully monitored (using all KFM protocols

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Mekong Giant Fish Species: On Their Management and Biology. Mekong River Commission Secretariat, 2005. http://dx.doi.org/10.52107/mrc.ajni14.

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The report presents a summary review biology and ecology of these species and provides data on their habitats, migration, reproductive biology and life cycles and the results of experiments on artificial breeding.

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Mekong Giant Fish Species: On Their Management and Biology. Mekong River Commission Secretariat, 2002. http://dx.doi.org/10.52107/mrc.akbon5.

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ຊະນິດປາໃຫຍ່ໃນແມ່ນໍ້າຂອງ: ການຄຸ້ມຄອງ ແລະ ຊີວະວິທະຍາ. Mekong River Commission Secretariat, 2005. http://dx.doi.org/10.52107/mrc.ajmaut.

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This is the Laotian version the report on Mekong Giant Fish Species: On Their Management and Biology. It presents a summary review biology and ecology of these species and provides data on their habitats, migration, reproductive biology and life cycles and the results of experiments on artificial breeding.

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