Relevant bibliographies by topics / Epibenthos

Academic literature on the topic 'Epibenthos'

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Published: 4 June 2021
Last updated: 20 February 2023

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Journal articles on the topic "Epibenthos"

1

Chiantore, Mariachiara, Simon F. Thrush, Valentina Asnaghi, and Judi E. Hewitt. "The multiple roles of β-diversity help untangle community assembly processes affecting recovery of temperate rocky shores." Royal Society Open Science 5, no. 8 (August 2018): 171700. http://dx.doi.org/10.1098/rsos.171700.

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Metacommunity theory highlights the potential of β-diversity as a useful link to empirical research, especially in diverse systems where species exhibit a range of stage-dependent dispersal characteristics. To investigate the importance of different components and scales of β-diversity in community assembly, we conducted a large-scale disturbance experiment and compared relative recovery across multiple sites and among plots within sites on the rocky shore. Six sites were spread along 80 km of coastline and, at each site, five plots were established, matching disturbed and undisturbed quadrats. Recovery was not complete at any of the sites after 1 year for either epibenthos (mostly composed of macroalgae and, locally, mussels) or infauna. Significant differences in recovery among sites were observed for epibenthos but not for infauna, suggesting that different community assembly processes were operating. This was supported by epibenthos in the recovering plots having higher species turnover than in undisturbed sediment, and recovery well predicted by local diversity, while infaunal recovery was strongly influenced by the epibenthic community's habitat complexity. However, infaunal community recovery did not simply track formation of habitat by recovering epibenthos, but appeared to be overlain by within-site and among-site aspects of infaunal β-diversity. These results suggest that documenting changes in the large plants and animals alone will be a poor surrogate for rocky shore community assembly processes. No role for ecological connectivity (negative effect of among-site β-diversity) in driving recovery was observed, suggesting a low risk of effects from multiple disturbances propagating along the coast, but a limited resilience at the site scale to large-scale disturbances such as landslides or oil spills.
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Stephenson, Fabrice, Aileen C. Mill, Catherine L. Scott, Nicholas V. C. Polunin, and Clare Fitzsimmons. "Experimental potting impacts on common UK reef habitats in areas of high and low fishing pressure." ICES Journal of Marine Science 74, no. 6 (February 23, 2017): 1648–59. http://dx.doi.org/10.1093/icesjms/fsx013.

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Abstract Impacts of mobile fishing gears on habitat and benthos have been well-documented; in contrast, less studied physical impacts of static fishing gear on benthic habitats are still debated. Pot fishing, is a growing sector in the UK and evidence of any impacts is needed to inform management. This study simulated high intensity experimental pot fishing on the epibenthos of two common UK reef habitats in Northumberland, UK. Single tethered pots were fished in intensively and lightly fished areas over the course of 2 months. Within each area, three experimental sites and control sites were surveyed before and after fishing using photoquadrats (n = 240 per 290 m2 site) collected by scuba divers. PERMANOVA analysis indicated no evidence of epibenthic species abundances decreasing due to physical crushing or abrasion from potting on either intensively or lightly fished reefs. A shift in community composition over time was detected but was attributed to natural change as epibenthos in control sites shifted similarly. Experimental pot impacts far exceeded those of the local commercial pot fishery, providing relevant evidence for statutory governing bodies revisiting current fisheries management. Results are applicable across Western Europe due to the selection of habitats with abundant and commonly distributed benthic species.
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Dulenina, P. A., and N. V. Kolpakov. "SPECIES COMPOSITION AND DISTRIBUTION OF MACROEPIBENTHOS IN THE COASTAL ZONE OF THE NORTHWESTERN TATAR STRAIT." Izvestiya TINRO 199 (December 3, 2019): 3–18. http://dx.doi.org/10.26428/1606-9919-2019-199-3-18.

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Dredgе survey (177 stations) was conducted in the northwestern Tatar Strait (northward from 48° N) at the depths 14–82 m in summer 2018 (from July 21 to August 7). In the dredge catches, 76 species and taxa of benthic invertebrates are recorded, including 42 epibenthic species, mainly Ophiura sarsi, Evasterias echinosoma, Strongylocentrotus pallidus, Paralithodes brevipes, Cucumaria japonica, P. camtschaticus, Mizuhopecten yessoensis, and S. intermedius. The areas of their aggregations are determined. The largest area was occupied by the settlements of polyphagous S. pallidus (5100 km22 at the depths 30–60 m). Specific biomass of epibenthos is calculated, its average value within the surveyed area was 21.5 ± 2.0 g/m2. Depth ranges of the species domination are defined. The dominant species changed with latitude: in the southern part of the survey, Paralithodes camtschaticus dominated with the biomass of 5.1 ± 4.4 g/m2 in the upper 20 m layer (48–49° N), replaced at the depth of 20–30 m by P. brevipes (22.2 ± 14.2 g/m2 between 48–49° N) or C. japonica (28.2 ± 3.0 g/m2 between 49–50° N), both species changed deeper to S. pallidus (4.3 ± 1.1 g/m2); in the northern part of the survey (50–51° N), S. intermedius dominated in the upper 30 m layer with the biomass of 14.7 ± 9.5 g/m2, Mizuhopecten yessoensis (9.7 ± 6.2 g/m2 ) and Evasterias echinosoma (5.1 ± 1,0 g/m2 ) prevailed in the depth range of 30–40 m and were replaced by S. pallidus (18.0 ± 9.5 g/m2) below 50 m; in the northernmost shallow tip of the Strait, Ophiura sarsi dominated absolutely with the biomass of 13.0 ± 1.1 g/m2) in the whole depth range down to 30 m. The greatest species richness and abundance of epibenthos were observed at the depths not exceeding 40 m. Statistically significant decreasing of quantitative parameters of the epibenthos with the depth is observed because of the bottom temperature and topical diversity declination with depth. However, environmental conditions have no significant impact on latitudinal distribution of abundance, wealth and species diversity of the epifauna in the surveyed area. The grouping of epibenthos with specific species structure that could be classified as the circumlittoral one is defined in the upper shelf zone in the northernmost area with the depth < 30 m (somewhere < 40 m).
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Dorschel, B., J. Gutt, D. Piepenburg, M. Schröder, and J. E. Arndt. "The influence of the geomorphological and sedimentological settings on the distribution of epibenthic assemblages on a flat topped hill on the over-deepened shelf of the western Weddell Sea (Southern Ocean)." Biogeosciences 11, no. 14 (July 21, 2014): 3797–817. http://dx.doi.org/10.5194/bg-11-3797-2014.

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Abstract. Epibenthos communities play an important role in the marine ecosystems of the Weddell Sea. Information on the factors controlling their structure and distribution are, however, still rare. In particular, the interactions between environmental factors and biotic assemblages are not fully understood. Nachtigaller Hill, a newly discovered seabed structure on the over-deepened shelf of the northwest Weddell Sea (Southern Ocean), offers a unique site to study these interactions in a high-latitude Antarctic setting. Based on high-resolution bathymetry and georeferenced biological data, the effect of the terrain and related environmental parameters on the epibenthos was assessed. At Nachtigaller Hill, both geomorphological and biological data showed complex distribution patterns, reflecting local processes such as iceberg scouring and locally amplified bottom currents. This variability was also generally reflected in the variable epibenthos distribution patterns although statistical analyses did not show strong correlations between the selected environmental parameters and species abundances. By analysing the interactions between environmental and biological patterns, this study provides crucial information towards a better understanding of the factors and processes that drive epibenthos communities on the shelves of the Weddell Sea and probably also on other Antarctic shelves.
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Dorschel, B., J. Gutt, D. Piepenburg, M. Schröder, and J. E. Arndt. "The influence of the geo-morphological and sedimentological settings on the distribution of epibenthic assemblages on a flat topped hill on the over-deepened shelf of the Western Weddell Sea." Biogeosciences Discussions 11, no. 1 (January 23, 2014): 1631–72. http://dx.doi.org/10.5194/bgd-11-1631-2014.

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Abstract. Epibenthos communities play an important role in the marine ecosystems of the Weddell Sea. Information on the factors controlling their structure and distribution are, however, still rare. Especially the interactions between environmental factors and biotic assemblages are not fully understood. Nachtigaller Hill, a newly discovered seabed structure on the over-deepened shelf of the Northwest Weddell Sea (Southern Ocean), offers a unique site to study these interactions in a high-latitude Antarctic setting. Based on high-resolution bathymetry, geo-referenced biological data, the effect of the terrain and related environmental parameters on the epibenthos was assessed. At Nachtigaller Hill, both geo-morphological and biological data showed complex distribution patterns, reflecting local processes such as iceberg scouring and locally amplified bottom currents. This variability is also generally reflected in the variable epibenthos distribution patterns although statistical analyses did not show strong correlations between the selected environmental parameters and species abundances. By analysing the interactions between environmental and biological patterns, this study provides crucial information towards a better understanding of the factors and processes that drive epibenthos communities on the shelves of the Weddell Sea and probably also on other Antarctic shelves.
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Feder, Howard M., Stephen C. Jewett, and Arny Blanchard. "Southeastern Chukchi Sea (Alaska) epibenthos." Polar Biology 28, no. 5 (December 15, 2004): 402–21. http://dx.doi.org/10.1007/s00300-004-0683-4.

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Service, M., and B. H. Magorrian. "The Extent and Temporal Variation of Disturbance to Epibenthic Communities in Strangford Lough, Northern Ireland." Journal of the Marine Biological Association of the United Kingdom 77, no. 4 (November 1997): 1151–64. http://dx.doi.org/10.1017/s0025315400038686.

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Side-scan sonar and underwater video were used to determine the impact of a trawl fishery on an epibenthic community associated with the horse mussel, Modiolus modiolus in a Northern Ireland sea lough. The presence of marks caused by trawl otter-boards on the sediments could be clearly seen using side-scan sonar and changes to the epibenthos are described from the video survey. It is apparent from the side-scan sonar survey that changes have occurred in the structure of the superficial sediments on heavily trawled areas. However, there was no clear indication of temporal changes. The utility of side-scan sonar coupled with GIS techniques to detect temporal and spatial effects is discussed.
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Reiss, Henning, and Ingrid Kröncke. "Seasonal variability of epibenthic communities in different areas of the southern North Sea." ICES Journal of Marine Science 61, no. 6 (January 1, 2004): 882–905. http://dx.doi.org/10.1016/j.icesjms.2004.06.020.

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Abstract Between November 2000 and May 2002, epibenthos was sampled monthly with a 2-m beam trawl at three stations along a transect from the southern German Bight towards the northeastern part of the Dogger Bank (North Sea) in order to investigate the seasonal variability of the epibenthic communities. The stations were chosen to reflect a gradient in the hydrigraphic regime, organic matter supply, and fishing effort. The epibenthic community of the southern German Bight was characterized by high biomass and abundance, dominated by Asterias rubens and Ophiura albida. In contrast, at the northern stations in the Oyster Ground and at the Dogger Bank, epibenthic biomass and abundance were substantially lower and the dominant species were mainly crustaceans such as Corystes cassivelaunus, Liocarcinus holsatus, and Pagurus bernhardus. In terms of seasonal variability, mean abundance and biomass in the southern German Bight showed highest values in the summer months and lowest values in the winter months. A similar pattern, but less distinct, was observed in the Oyster Ground. But at the Dogger Bank the pattern was different, with highest abundance and biomass values in the winter months. The differences in spatial and temporal patterns are discussed in relation to differences in temperature, thermal stratification and fishing effort at the three study sites.
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Watson, Leslie A., Jonathan S. Stark, Glenn Johnstone, Erik Wapstra, and Karen Miller. "Antarctic sea anemone distribution, abundance and relationships with habitat composition, community structure and anthropogenic disturbance." Antarctic Science 32, no. 3 (February 13, 2020): 186–98. http://dx.doi.org/10.1017/s0954102019000567.

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AbstractUnderstanding the distribution, abundance and habitat preferences of species in the Southern Ocean provides a foundation for assessing the impacts of environmental change and anthropogenic disturbance on Antarctic ecosystems. In near-shore waters at Casey and Davis Stations, photoquadrat surveys were used to determine sea anemone distribution and abundance, habitat preferences, associations with other species and the impact of human disturbance on sea anemone distribution. Two distinct sea anemone morphotypes were found in this study: large sea anemones that require hard substrate for attachment and small, burrowing sea anemones found in muddy sediment. The large sea anemones were found in rocky habitats, with the exception of some sedimentary habitats where other biota were used as substrate. The large sea anemones were associated with a diverse community of epibenthic species found in rocky habitats. The burrowing sea anemones were associated with a less diverse assemblage of sediment-dwelling epibenthos. At Casey Station, sea anemones were more abundant in habitats adjacent to a former waste disposal site than at control sites. The reason for this is not yet known, but may be due to high organic matter inputs or, alternatively, a longer sea ice duration providing protection from ice scour.
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Hoffmann, E. "Effect of closed areas on distribution of fish and epibenthos." ICES Journal of Marine Science 57, no. 5 (October 2000): 1310–14. http://dx.doi.org/10.1006/jmsc.2000.0921.

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Dissertations / Theses on the topic "Epibenthos"

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Coman, Francis Edmund, and n/a. "The Role of Epibenthic and Planktonic Fauna in Subtropical Prawn Grow Out Ponds." Griffith University. School of Environmental and Applied Science, 2003. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20030926.091736.

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The assemblage composition, biomass and dynamics of zooplankton and epibenthos were examined in a commercial prawn pond in southeast Queensland over two seasons. Physico-chemical characteristics of the pond water were measured concurrently. Numbers and biomass of zooplankton in the surface tows (140 micrometre mesh) varied from 8 ind. L-1 (44 micrograms L-1) to 112 ind. L-1 (324 micrograms L-1) in the first season, with peaks in biomass corresponding to peaks in numbers. In the second season the zooplankton numbers varied from 12 to 590 ind. L-1, but peaks in numbers did not correspond with peaks in biomass, which varied from 28 to 465 micrograms L-1. This was due to differences in the size of the dominant taxa across the season. Although this occurred in both seasons, the effect on biomass was more pronounced in the second season. In both seasons, immediately after the ponds were stocked with prawn postlarvae there was a rapid decline in zooplankton numbers, particularly of the dominant larger copepods. This was probably due to predation by the postlarvae. Subsequent peaks in zooplankton numbers were principally due to barnacle nauplii. The largest peaks in zooplankton numbers occurred before stocking in the first season, but the largest peaks were in the middle of the second season. While changes in abundance and biomass of the zooplankton assemblage were not correlated with physico-chemical characteristics in the first season, there were correlations between zooplankton numbers and temperature, dissolved oxygen, pH and secchi disk readings in the second season. No correlations were found with zooplankton biomass and physico-chemical characteristics in the second season. The correlations in the second season were mainly due to the high prevalence of barnacle nauplii through the middle part of the season, and may reflect suitable conditions for barnacle reproduction. Epibenthic faunal abundance in the beam trawls (1 mm mesh) peaked at 14 ind. m-2 and 7 ind. m-2 in the first and second seasons respectively and the biomasses at 0.8 g m-2 and 0.7 g m-2. Peaks in abundance of epibenthos did not correspond to peaks in biomass. This was due to large differences in the size of the taxa across the seasons. Sergestids (Acetes sibogae) and amphipods were the most abundant taxa in beam trawl samples. Amphipods were only abundant in the first season, with their numbers increasing towards the end of the grow out period. Acetes were abundant in both seasons, but were dominant in the second season. Correlations between physico-chemical parameters and epibenthos numbers were found to be strongly influenced by the dominant taxa in each season. In the first season, negative correlations were found between epibenthos abundance and pH and temperature. These relationships may reflect an effect on the growth of macroalgae in the pond, with which the amphipods were strongly associated, rather than a direct effect on the epibenthos. In the second season, a positive correlation existed between temperature and epibenthos abundance, however this was strongly influenced by the very high abundance of Acetes in the last sampling period. No correlations were found between epibenthic fauna biomass and physico-chemical parameters. Abundances of epibenthic fauna were not related to zooplankton densities indicating this source of food was not likely to be a limiting factor. Neither the pond water exchange regime nor moon phase could explain changes observed in abundances of zooplankton or epibenthos assemblages in the first season, however the sampling regime was not designed to specifically investigate these effects. In the second season water exchanges were sampled more rigorously. The density of zooplankton in the outlet water was from 2 to 59% of the density of zooplankton in the pond, and the zooplankton density of the inlet water was from 9 to 50% of the outlet water. The number of zooplankton recruited into the pond from the inlet water, after the prawns were stocked, was negligible and contributed little to changes observed in zooplankton assemblages. Reproduction of barnacles within the pond appeared to play the most important role in changes in the assemblage. Water exchange did, however, appear to play a greater role in the changes observed in epibenthic fauna assemblages. In the last season of sampling the feeding of the dominant epibenthic species, Acetes sibogae, was examined using a combination of gut content and stable isotope analysis. Acetes gained little nutrition directly from the pelleted feed, probably relying primarily on zooplankton as their direct food source. Other dietary items such as macroalgae also played a role in the nutrition of the Acetes. If Acetes numbers were high at the beginning of a season they may compete with the newly stocked prawns for the zooplankton resource. However, they will not compete with the prawns later in the season when the prawns are gaining most of their nutrition from the pelleted feed. Overall it appears that zooplankton are important to the nutrition of the prawns at the beginning of the season when the assemblage is usually dominated by copepods. Later in the season the assemblage is dominated by barnacle nauplii which are recruited from within the pond. The establishment of an abundant assemblage of suitable zooplankton species before stocking prawn postlarvae would appear to be beneficial, if not essential. The assemblage of epibenthic fauna changes throughout the season as new recruits are brought in from outside the pond. Epibenthic faunal assemblages in ponds from southeast Queensland are dominated by Acetes which are not likely to adversely affect the production of prawns unless they are particularly abundant early in the grow out season when the prawns would be utilising the same food resources as Acetes.
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2

Coman, Francis Edmund. "The Role of Epibenthic and Planktonic Fauna in Subtropical Prawn Grow Out Ponds." Thesis, Griffith University, 2003. http://hdl.handle.net/10072/367812.

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The assemblage composition, biomass and dynamics of zooplankton and epibenthos were examined in a commercial prawn pond in southeast Queensland over two seasons. Physico-chemical characteristics of the pond water were measured concurrently. Numbers and biomass of zooplankton in the surface tows (140 micrometre mesh) varied from 8 ind. L-1 (44 micrograms L-1) to 112 ind. L-1 (324 micrograms L-1) in the first season, with peaks in biomass corresponding to peaks in numbers. In the second season the zooplankton numbers varied from 12 to 590 ind. L-1, but peaks in numbers did not correspond with peaks in biomass, which varied from 28 to 465 micrograms L-1. This was due to differences in the size of the dominant taxa across the season. Although this occurred in both seasons, the effect on biomass was more pronounced in the second season. In both seasons, immediately after the ponds were stocked with prawn postlarvae there was a rapid decline in zooplankton numbers, particularly of the dominant larger copepods. This was probably due to predation by the postlarvae. Subsequent peaks in zooplankton numbers were principally due to barnacle nauplii. The largest peaks in zooplankton numbers occurred before stocking in the first season, but the largest peaks were in the middle of the second season. While changes in abundance and biomass of the zooplankton assemblage were not correlated with physico-chemical characteristics in the first season, there were correlations between zooplankton numbers and temperature, dissolved oxygen, pH and secchi disk readings in the second season. No correlations were found with zooplankton biomass and physico-chemical characteristics in the second season. The correlations in the second season were mainly due to the high prevalence of barnacle nauplii through the middle part of the season, and may reflect suitable conditions for barnacle reproduction. Epibenthic faunal abundance in the beam trawls (1 mm mesh) peaked at 14 ind. m-2 and 7 ind. m-2 in the first and second seasons respectively and the biomasses at 0.8 g m-2 and 0.7 g m-2. Peaks in abundance of epibenthos did not correspond to peaks in biomass. This was due to large differences in the size of the taxa across the seasons. Sergestids (Acetes sibogae) and amphipods were the most abundant taxa in beam trawl samples. Amphipods were only abundant in the first season, with their numbers increasing towards the end of the grow out period. Acetes were abundant in both seasons, but were dominant in the second season. Correlations between physico-chemical parameters and epibenthos numbers were found to be strongly influenced by the dominant taxa in each season. In the first season, negative correlations were found between epibenthos abundance and pH and temperature. These relationships may reflect an effect on the growth of macroalgae in the pond, with which the amphipods were strongly associated, rather than a direct effect on the epibenthos. In the second season, a positive correlation existed between temperature and epibenthos abundance, however this was strongly influenced by the very high abundance of Acetes in the last sampling period. No correlations were found between epibenthic fauna biomass and physico-chemical parameters. Abundances of epibenthic fauna were not related to zooplankton densities indicating this source of food was not likely to be a limiting factor. Neither the pond water exchange regime nor moon phase could explain changes observed in abundances of zooplankton or epibenthos assemblages in the first season, however the sampling regime was not designed to specifically investigate these effects. In the second season water exchanges were sampled more rigorously. The density of zooplankton in the outlet water was from 2 to 59% of the density of zooplankton in the pond, and the zooplankton density of the inlet water was from 9 to 50% of the outlet water. The number of zooplankton recruited into the pond from the inlet water, after the prawns were stocked, was negligible and contributed little to changes observed in zooplankton assemblages. Reproduction of barnacles within the pond appeared to play the most important role in changes in the assemblage. Water exchange did, however, appear to play a greater role in the changes observed in epibenthic fauna assemblages. In the last season of sampling the feeding of the dominant epibenthic species, Acetes sibogae, was examined using a combination of gut content and stable isotope analysis. Acetes gained little nutrition directly from the pelleted feed, probably relying primarily on zooplankton as their direct food source. Other dietary items such as macroalgae also played a role in the nutrition of the Acetes. If Acetes numbers were high at the beginning of a season they may compete with the newly stocked prawns for the zooplankton resource. However, they will not compete with the prawns later in the season when the prawns are gaining most of their nutrition from the pelleted feed. Overall it appears that zooplankton are important to the nutrition of the prawns at the beginning of the season when the assemblage is usually dominated by copepods. Later in the season the assemblage is dominated by barnacle nauplii which are recruited from within the pond. The establishment of an abundant assemblage of suitable zooplankton species before stocking prawn postlarvae would appear to be beneficial, if not essential. The assemblage of epibenthic fauna changes throughout the season as new recruits are brought in from outside the pond. Epibenthic faunal assemblages in ponds from southeast Queensland are dominated by Acetes which are not likely to adversely affect the production of prawns unless they are particularly abundant early in the grow out season when the prawns would be utilising the same food resources as Acetes.
Thesis (Masters)
Master of Philosophy (MPhil)
School of Environmental and Applied Science
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3

Starmans, Andreas. "Vergleichende Untersuchungen zur Ökologie und Biodiversität des Mega-Epibenthos der Arktis und Antarktis = Comparative studies on the ecology and biodiversity of the Arctic and Antarctic Mega-Epibenthos /." Bremerhaven : Alfred-Wegener-Inst. für Polar- und Meeresforschung, 1997. http://www.gbv.de/dms/bs/toc/238435679.pdf.

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Polte, Patrick. "Ecological functions of intertidal seagrass beds for fishes and mobile epibenthos in the northern Wadden Sea." [S.l.] : [s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=979700191.

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Dupont, Jennifer Maria. "Ecological dynamics of livebottom ledges and artificial reefs on the inner central West Florida Shelf." [Tampa, Fla] : University of South Florida, 2009. http://purl.fcla.edu/usf/dc/et/SFE0002841.

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Rubin, J. A. "Spatial and temporal interactions in sublittoral epibenthic communities." Thesis, University of Reading, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.354095.

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Boström, Minna. "Epibenthic predators and their prey : interactions in a coastal food web /." Åbo : Department of biology/environmental and marine biology, Åbo akademi university, 2002. http://catalogue.bnf.fr/ark:/12148/cb39933839r.

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Netchy, Kristin. "Epibenthic Mobile Invertebrates along the Florida Reef Tract: Diversity and Community Structure." Scholar Commons, 2014. https://scholarcommons.usf.edu/etd/5085.

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Benthic mobile invertebrates are important components of coral-reef diversity and community structure, though, in most cases, their ecological contributions are poorly known. Baseline information on their diversity, prevalence, assemblages, and ecological roles is needed to aid in the conservation of coral-reef habitats. The objectives of this study are to 1) describe diversity and assemblages of epibenthic, mobile invertebrates in shallow water coral-reef communities in Florida, 2) evaluate their ecological roles by reviewing published literature on diet, and 3) measure the degree of linear dependence between mobile invertebrates and scleractinian corals. Underwater surveys were conducted in the summer of 2013 at 40 sites distributed along the Florida Reef Tract from Broward County to the Dry Tortugas. The presence/absence of all mobile, epibenthic invertebrate fauna observed were recorded and identified to the lowest level possible. The survey data include 618 records of 116 unique taxa, 83 species, 61 genera, 46 families, 19 orders, seven classes, and four phyla of mobile invertebrates, comprising herbivores, detritivores, carnivores, omnivores, and suspension feeders. These taxa represent 22% of the comparable taxa in a historical dataset that spans 60 years, plus an additional 18 taxa. The survey data also show that the percent composition of major phyla is similar to the historical dataset, despite taxonomic bias evident in the historical dataset. During the survey, novel unique taxa were encountered frequently, but were seldom recurrent, which highlights their cryptic nature. While regional patterns were not identified in the study, assemblages of dominant taxa were characteristic of reef type: echinoderms were the most diverse on patch reefs and southeast Florida reef complexes, mollusks were most diverse on shallow bank reefs, and arthropods were diverse on deep bank reefs, Southeast Florida reef complexes, and shallow bank reefs. Herbivorous mobile invertebrate diversity was negatively correlated with scleractinian coral diversity, underlining competition between corals and macroalgae, and association of herbivores with macroalgae. All of these results suggest that reef types are distinct, but interrelated communities of fauna having specific habitat requirements and important roles. This study also reinforces the challenges in assessing the diverse and often cryptic mobile invertebrate fauna and emphasizes the need for further research and monitoring to detect changes in their communities for the conservation of Florida reef systems.
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Hawkins, Susan Terry. "The epibenthic colonization of artificial subtidal habitats at the Cape d'Aguilar Marine Reserve, Hong Kong." Thesis, Hong Kong : University of Hong Kong, 1998. http://sunzi.lib.hku.hk/hkuto/record.jsp?B20357801.

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Seitz, Rochelle D. "The role of epibenthic predators in structuring marine soft-bottom communities along an estuarine gradient." W&M ScholarWorks, 1996. https://scholarworks.wm.edu/etd/1539616850.

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A unifying theory of community regulation in soft-bottom systems remains elusive, despite extensive field studies on factors controlling community structure. Here, I have (1) reviewed models of community regulation, (2) examined the role of predation in controlling benthic diversity along a salinity gradient, (3) examined effects of predation upon an abundant bivalve, Macoma balthica, and (4) revised a model of community regulation in an estuarine soft-bottom system. The Menge and Sutherland (MS) "consumer stress model" posits that consumers feed ineffectively in harsh environments, and the importance of physical disturbance, competition and predation varies with recruitment, environmental conditions, and trophic position. In this model, competition for resources depends directly upon the level of recruitment. I have revised the model to fit soft-bottom systems by changing the recruitment axis to a "recruitment: resource ratio." Hence, the impact of a given level of recruitment depends upon resource availability. According to the MS model, predation is most important in determining community structure when environmental conditions are not severe. I investigated the applicability of the MS model in a soft-bottom estuarine community. I quantified predator abundance, prey abundance and diversity, and the differential effect of predation on species diversity and survival of an abundant prey species, Macoma balthica, along an estuarine gradient in two tributaries of Chesapeake Bay. Benthic diversity was lower in upriver high-stress habitats than downriver low-stress habitats, in agreement with predictions of the MS model. However, the following findings are inconsistent with model predictions: (1) predator abundance was greater upriver, (2) predation intensity and its impact on benthic diversity were greater upriver, and (3) predation-induced mortality of transplanted Macoma balthica clams, and natural mortality of clams were higher upriver. An alternative community regulation model applies to this system because higher predator abundance and predation intensity in higher environmental stress is contrary to the MS model predictions. Predators aggregated upriver where carbon production was increased, and prey were abundant. Hence, a more suitable model for this soft-bottom system is one that incorporates the effects of production and predation along with recruitment, competition and environmental stress.
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Books on the topic "Epibenthos"

1

Starmans, Andreas. Vergleichende Untersuchungen zur Ökologie und Biodiversität des Mega-Epibenthos der Arktis und Antarktis =: Comparative studies on the ecology and biodiversity of the Arctic and Antarctic Mega-Epibenthos. Bremerhaven: Alfred-Wegener-Institut für Polar- und Meeresforschung, 1997.

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Canada. Dept. of Fisheries and Oceans. Nearshore Epibenthos of the Campbell River Estuary and Discovery Passage, 1982, in Relation to Juvenile Chinook Diets. S.l: s.n, 1986.

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Canada. Dept. of Fisheries and Oceans. Nearshore epibenthos of the Campbell River estuary and discovery passage, 1983, in relation to juvenile chinook diets. S.l: s.n, 1988.

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Koch, Volker. Epibenthic production and energy flow in the Caeté mangrove estuary, North Brazil. Bremen: Zentrum für Marine Tropenökologie, 1999.

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Haas, Melora Elizabeth. Effects of large overwater structures on epibenthic juvenile salmon prey assemblages in Puget Sound, Washington. [Olympia, Wash.]: Washington State Dept. of Transportation, 2002.

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Miron, Gilles. Predation potential by various epibenthic organisms on commercial bivalve species in Prince Edward Island: Preliminary results. [Ottawa]: Fisheries and Oceans, 2002.

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Miron, G. Predation potential by various epibenthic organisms on commercial bivalve species in Prince Edward Island: Preliminary results. Charlottetown, P.E.I: Dept. of Fisheries, Aquaculture and Environment, 2002.

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Linse, Katrin. Die Verbreitung epibenthischer Mollusken im chilenischen Beagle-Kanal =: Distribution of epibenthic mollusca from the Chilean Beagle Channel. Bremerhaven: Alfred-Wegener-Institut für Polar- und Meeresforschung, 1997.

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Wiggins, James R. The effect of landfill leachate from Padilla Bay on the abundance of epibenthic harpacticoid copepods and sediment toxicity measured with the amphipod bioassay (Rhepoxinius abronius). Mount Vernon, Wash: Padilla Bay National Estuarine Research Reserve, 1992.

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U.S. Fish and Wildlife Service. Western Washington Fishery Resources Office., ed. Impact of beach gravel enhancement on epibenthic zooplankton at Lincoln Park, Seattle, Washington. Olympia, Wash: Western Washington Fishery Resource Office, U.S. Fish and Wildlife Service, 1990.

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Book chapters on the topic "Epibenthos"

1

Robertson, A. I., and S. J. M. Blaber. "Plankton, epibenthos and fish communities." In Tropical Mangrove Ecosystems, 173–224. Washington, D. C.: American Geophysical Union, 1992. http://dx.doi.org/10.1029/ce041p0173.

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Baretta-Bekker, J. G. "Results and Analysis of the Epibenthos Submodel." In Tidal Flat Estuaries, 228–39. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73753-4_12.

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Kaiser, Stefanie, and Nils Brenke. "Epibenthic Sledges." In Biological Sampling in the Deep Sea, 184–206. Chichester, UK: John Wiley & Sons, Ltd, 2016. http://dx.doi.org/10.1002/9781118332535.ch9.

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Baretta-Bekker, J. G., and A. Stam. "The Construction of the Epibenthic Submodel." In Tidal Flat Estuaries, 153–67. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73753-4_8.

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De Broyer, Claude, Yves Scailteur, Gauthier Chapelle, and Martin Rauschert. "Diversity of epibenthic habitats of gammaridean amphipods in the eastern Weddell Sea." In Ecological Studies in the Antarctic Sea Ice Zone, 51–60. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-642-59419-9_8.

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Castillo, Sara, Fran Ramil, and Ana Ramos. "Composition and Distribution of Epibenthic and Demersal Assemblages in Mauritanian Deep-Waters." In Deep-Sea Ecosystems Off Mauritania, 317–53. Dordrecht: Springer Netherlands, 2017. http://dx.doi.org/10.1007/978-94-024-1023-5_8.

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Noffke, Nora. "Epibenthic Cyanobacterial Communities Interacting with Sedimentary Processes in Siliciclastic Depositional Systems (Present and Past)." In Fossil and Recent Biofilms, 265–80. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-0193-8_17.

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Thiel, Martin. "Epibenthic predation in marine soft-bottoms: being small and how to get away with it." In Interactions and Adaptation Strategies of Marine Organisms, 11–19. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-017-1907-0_2.

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Christiansen, B., and H. Thiel. "Deep-Sea Epibenthic Megafauna of the Northeast Atlantic: Abundance and Biomass at Three Mid-Oceanic Locations Estimated From Photographic Transects." In Deep-Sea Food Chains and the Global Carbon Cycle, 125–38. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2452-2_8.

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Everaarts, J. M., R. Heesters, and C. V. Fischer. "Heavy metals (Cu, Zn, Pb, Cd) in sediment, Zooplankton and epibenthic invertebrates from the area of the continental slope of the Banc d’Arguin (Mauritania)." In Ecological Studies in the Coastal Waters of Mauritania, 41–58. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1986-3_5.

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Conference papers on the topic "Epibenthos"

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Range, Pedro, Rodrigo Riera, Naeem Abdulaziz Aziz, Mohammed Mustafa Al Dibis, Jessica Bouwmeester, Steffen Sanvig Bach, and Radhouane Ben-Hamadou. "Epibenthic assemblages on vertical artificial substrates: recruitment and succession patterns in offshore Qatari waters." In Qatar Foundation Annual Research Conference Proceedings. Hamad bin Khalifa University Press (HBKU Press), 2018. http://dx.doi.org/10.5339/qfarc.2018.eepd883.

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Reports on the topic "Epibenthos"

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Vrooman, Jip, Marcel de Vries, and Ingrid Tulp. Seizoensveranderingen in vis en epibenthos in de Waddenzee : pilotproject maandelijkse monitoring. IJmuiden: Stichting Wageningen Research, Centrum voor Visserijonderzoek (CVO), 2020. http://dx.doi.org/10.18174/515427.

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Vrooman, Jip, and Ingrid Tulp. Seizoensveranderingen in vis en epibenthos in de Waddenzee : pilotproject maandelijkse monitoring - update 2020. IJmuiden: Stichting Wageningen Research, Centrum voor Visserijonderzoek (CVO), 2021. http://dx.doi.org/10.18174/541576.

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Mulder, I. M., I. Tulp, and T. Ysebaert. Ontwikkelingen van bodemgebonden vis en epibenthos in de Oosterschelde in de periode 1970-2018. Yerseke: Wageningen Marine Research, 2020. http://dx.doi.org/10.18174/518404.

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Wheatcroft, Robert A. Feedbacks Between Bottom Roughness, Bioturbation Intensity and Epibenthic Microalgae. Fort Belvoir, VA: Defense Technical Information Center, September 1999. http://dx.doi.org/10.21236/ada613925.

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Wheatcroft, Robert A. Feedbacks Between Bottom Roughness, Bioturbation Intensity and Epibenthic Microalgae. Fort Belvoir, VA: Defense Technical Information Center, September 2001. http://dx.doi.org/10.21236/ada624804.

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