Effects of a red tide on the structure of estuarine fish assemblages in northeastern Brazil
Identifieur interne : 003B50 ( Main/Exploration ); précédent : 003B49; suivant : 003B51Effects of a red tide on the structure of estuarine fish assemblages in northeastern Brazil
Auteurs : José Amorim Reis-Filho [Brésil] ; Eduardo M. Da Silva [Brésil] ; José De Anchieta Cintra Da Costa Nunes [Brésil] ; Francisco Barros [Brésil]Source :
- International Review of Hydrobiology [ 1434-2944 ] ; 2012-10.
Descripteurs français
English descriptors
- KwdEn :
- Abundance curve, Abundant species, Alexandrium tamarense, Algal, Assemblage, Atherinella brasiliensis, Bahia, Bahia state, Biomass, Biomass curve, Bottom gill, Brasiliensis, Burkholder, Cetengraulis edentulus, Coastal waters, Coral assemblages, Costa rica, Cumulative dominance, Dinoflagellate, Dinoflagellate akashiwo sanguinea, Dominant species, Ecological communities, Ecology, Economic effects, Environmental variations, Estuarine, Estuarine fish, Estuarine fish assemblages, Estuary, Eucinostomus argenteus, Eucinostomus gula, Fauna, Fish abundance, Fish assemblage, Fish assemblages, Fish communities, Fish community, Fish fauna, Fish mortality, Fish populations, Fish samples, Fishery, Fortuitous events, Gill, Global epidemic, Gmbh, Greeleyi, Haemulon stendachneri, Harmful, Harmful algae, Harmful algal blooms, Head rope, High fish mortality, Humic substances, Kgaa, Lower abundance, Lower number, Lowest values, Lutjanus synagris, Marine ecology, Marine ecosystems, Mass mortalities, More fish, Numerical dominance, Nutrient, Nutrient enrichment, Opportunist species, Pfiesteria, Phytoplankton, Phytoplankton blooms, Potential differences, Present study, Rank species, Rapid recovery, Recent studies, Recovery trajectories, Report nmfs, Rescue effect, Sampling methods, Sampling months, Sanguinea, Seine, Significant correlations, Significant differences, Small populations, Small scales, Spatial structures, Sphoeroides, Sphoeroides greeleyi, Study area, Study periods, Surface gill, Surface gill nets, Temporal variations, Tide, Tide event, Tide period, Todos, Toxic pfiesteria, Toxin, Verlag, Verlag gmbh, Weinheim, Weinheim effect, Western part.
- Teeft :
- Abundance curve, Abundant species, Alexandrium tamarense, Algal, Assemblage, Atherinella brasiliensis, Bahia, Bahia state, Biomass, Biomass curve, Bottom gill, Brasiliensis, Burkholder, Cetengraulis edentulus, Coastal waters, Coral assemblages, Costa rica, Cumulative dominance, Dinoflagellate, Dinoflagellate akashiwo sanguinea, Dominant species, Ecological communities, Ecology, Economic effects, Environmental variations, Estuarine, Estuarine fish, Estuarine fish assemblages, Estuary, Eucinostomus argenteus, Eucinostomus gula, Fauna, Fish abundance, Fish assemblage, Fish assemblages, Fish communities, Fish community, Fish fauna, Fish mortality, Fish populations, Fish samples, Fishery, Fortuitous events, Gill, Global epidemic, Gmbh, Greeleyi, Haemulon stendachneri, Harmful, Harmful algae, Harmful algal blooms, Head rope, High fish mortality, Humic substances, Kgaa, Lower abundance, Lower number, Lowest values, Lutjanus synagris, Marine ecology, Marine ecosystems, Mass mortalities, More fish, Numerical dominance, Nutrient, Nutrient enrichment, Opportunist species, Pfiesteria, Phytoplankton, Phytoplankton blooms, Potential differences, Present study, Rank species, Rapid recovery, Recent studies, Recovery trajectories, Report nmfs, Rescue effect, Sampling methods, Sampling months, Sanguinea, Seine, Significant correlations, Significant differences, Small populations, Small scales, Spatial structures, Sphoeroides, Sphoeroides greeleyi, Study area, Study periods, Surface gill, Surface gill nets, Temporal variations, Tide, Tide event, Tide period, Todos, Toxic pfiesteria, Toxin, Verlag, Verlag gmbh, Weinheim, Weinheim effect, Western part.
Abstract
The present study evaluated changes in an estuarine fish community caused by blooms of the dinoflagellate Akashiwo sanguinea. Samples were collected before, during and after the red tide using seine nets and surface and bottom nets in three areas near the affected area. The area was around the mouth of the Paraguaçu River. A total of 144 samples were collected, containing 1,989 individuals, with a total weight of 51.4 kg, belonging to 42 species in 29 families. During the red tide, fish density, richness and biomass decreased significantly. Atherinella brasiliensis and Sphoeroides greeleyi were the most abundant species during the red tide, indicating some possible resistance to the effects of the red tide. One month after the red tide, there was a rapid recovery of the density, biomass and richness of fish, and Cetengraulis edentulus was the most captured species. An important result of the present study is the finding that the dynamics of small populations of fish are often influenced by fortuitous events, and stochasticity may dominate. The establishment of a continuous and adequate monitoring program in the area may contribute to understanding the effects of red tides on fish population dynamics. (© 2012 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Url:
DOI: 10.1002/iroh.201101457
Affiliations:
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<term>Abundant species</term>
<term>Alexandrium tamarense</term>
<term>Algal</term>
<term>Assemblage</term>
<term>Atherinella brasiliensis</term>
<term>Bahia</term>
<term>Bahia state</term>
<term>Biomass</term>
<term>Biomass curve</term>
<term>Bottom gill</term>
<term>Brasiliensis</term>
<term>Burkholder</term>
<term>Cetengraulis edentulus</term>
<term>Coastal waters</term>
<term>Coral assemblages</term>
<term>Costa rica</term>
<term>Cumulative dominance</term>
<term>Dinoflagellate</term>
<term>Dinoflagellate akashiwo sanguinea</term>
<term>Dominant species</term>
<term>Ecological communities</term>
<term>Ecology</term>
<term>Economic effects</term>
<term>Environmental variations</term>
<term>Estuarine</term>
<term>Estuarine fish</term>
<term>Estuarine fish assemblages</term>
<term>Estuary</term>
<term>Eucinostomus argenteus</term>
<term>Eucinostomus gula</term>
<term>Fauna</term>
<term>Fish abundance</term>
<term>Fish assemblage</term>
<term>Fish assemblages</term>
<term>Fish communities</term>
<term>Fish community</term>
<term>Fish fauna</term>
<term>Fish mortality</term>
<term>Fish populations</term>
<term>Fish samples</term>
<term>Fishery</term>
<term>Fortuitous events</term>
<term>Gill</term>
<term>Global epidemic</term>
<term>Gmbh</term>
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<term>Haemulon stendachneri</term>
<term>Harmful</term>
<term>Harmful algae</term>
<term>Harmful algal blooms</term>
<term>Head rope</term>
<term>High fish mortality</term>
<term>Humic substances</term>
<term>Kgaa</term>
<term>Lower abundance</term>
<term>Lower number</term>
<term>Lowest values</term>
<term>Lutjanus synagris</term>
<term>Marine ecology</term>
<term>Marine ecosystems</term>
<term>Mass mortalities</term>
<term>More fish</term>
<term>Numerical dominance</term>
<term>Nutrient</term>
<term>Nutrient enrichment</term>
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<term>Phytoplankton blooms</term>
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<term>Present study</term>
<term>Rank species</term>
<term>Rapid recovery</term>
<term>Recent studies</term>
<term>Recovery trajectories</term>
<term>Report nmfs</term>
<term>Rescue effect</term>
<term>Sampling methods</term>
<term>Sampling months</term>
<term>Sanguinea</term>
<term>Seine</term>
<term>Significant correlations</term>
<term>Significant differences</term>
<term>Small populations</term>
<term>Small scales</term>
<term>Spatial structures</term>
<term>Sphoeroides</term>
<term>Sphoeroides greeleyi</term>
<term>Study area</term>
<term>Study periods</term>
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<term>Surface gill nets</term>
<term>Temporal variations</term>
<term>Tide</term>
<term>Tide event</term>
<term>Tide period</term>
<term>Todos</term>
<term>Toxic pfiesteria</term>
<term>Toxin</term>
<term>Verlag</term>
<term>Verlag gmbh</term>
<term>Weinheim</term>
<term>Weinheim effect</term>
<term>Western part</term>
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<term>Abundant species</term>
<term>Alexandrium tamarense</term>
<term>Algal</term>
<term>Assemblage</term>
<term>Atherinella brasiliensis</term>
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<term>Bahia state</term>
<term>Biomass</term>
<term>Biomass curve</term>
<term>Bottom gill</term>
<term>Brasiliensis</term>
<term>Burkholder</term>
<term>Cetengraulis edentulus</term>
<term>Coastal waters</term>
<term>Coral assemblages</term>
<term>Costa rica</term>
<term>Cumulative dominance</term>
<term>Dinoflagellate</term>
<term>Dinoflagellate akashiwo sanguinea</term>
<term>Dominant species</term>
<term>Ecological communities</term>
<term>Ecology</term>
<term>Economic effects</term>
<term>Environmental variations</term>
<term>Estuarine</term>
<term>Estuarine fish</term>
<term>Estuarine fish assemblages</term>
<term>Estuary</term>
<term>Eucinostomus argenteus</term>
<term>Eucinostomus gula</term>
<term>Fauna</term>
<term>Fish abundance</term>
<term>Fish assemblage</term>
<term>Fish assemblages</term>
<term>Fish communities</term>
<term>Fish community</term>
<term>Fish fauna</term>
<term>Fish mortality</term>
<term>Fish populations</term>
<term>Fish samples</term>
<term>Fishery</term>
<term>Fortuitous events</term>
<term>Gill</term>
<term>Global epidemic</term>
<term>Gmbh</term>
<term>Greeleyi</term>
<term>Haemulon stendachneri</term>
<term>Harmful</term>
<term>Harmful algae</term>
<term>Harmful algal blooms</term>
<term>Head rope</term>
<term>High fish mortality</term>
<term>Humic substances</term>
<term>Kgaa</term>
<term>Lower abundance</term>
<term>Lower number</term>
<term>Lowest values</term>
<term>Lutjanus synagris</term>
<term>Marine ecology</term>
<term>Marine ecosystems</term>
<term>Mass mortalities</term>
<term>More fish</term>
<term>Numerical dominance</term>
<term>Nutrient</term>
<term>Nutrient enrichment</term>
<term>Opportunist species</term>
<term>Pfiesteria</term>
<term>Phytoplankton</term>
<term>Phytoplankton blooms</term>
<term>Potential differences</term>
<term>Present study</term>
<term>Rank species</term>
<term>Rapid recovery</term>
<term>Recent studies</term>
<term>Recovery trajectories</term>
<term>Report nmfs</term>
<term>Rescue effect</term>
<term>Sampling methods</term>
<term>Sampling months</term>
<term>Sanguinea</term>
<term>Seine</term>
<term>Significant correlations</term>
<term>Significant differences</term>
<term>Small populations</term>
<term>Small scales</term>
<term>Spatial structures</term>
<term>Sphoeroides</term>
<term>Sphoeroides greeleyi</term>
<term>Study area</term>
<term>Study periods</term>
<term>Surface gill</term>
<term>Surface gill nets</term>
<term>Temporal variations</term>
<term>Tide</term>
<term>Tide event</term>
<term>Tide period</term>
<term>Todos</term>
<term>Toxic pfiesteria</term>
<term>Toxin</term>
<term>Verlag</term>
<term>Verlag gmbh</term>
<term>Weinheim</term>
<term>Weinheim effect</term>
<term>Western part</term>
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<front><div type="abstract" xml:lang="en">The present study evaluated changes in an estuarine fish community caused by blooms of the dinoflagellate Akashiwo sanguinea. Samples were collected before, during and after the red tide using seine nets and surface and bottom nets in three areas near the affected area. The area was around the mouth of the Paraguaçu River. A total of 144 samples were collected, containing 1,989 individuals, with a total weight of 51.4 kg, belonging to 42 species in 29 families. During the red tide, fish density, richness and biomass decreased significantly. Atherinella brasiliensis and Sphoeroides greeleyi were the most abundant species during the red tide, indicating some possible resistance to the effects of the red tide. One month after the red tide, there was a rapid recovery of the density, biomass and richness of fish, and Cetengraulis edentulus was the most captured species. An important result of the present study is the finding that the dynamics of small populations of fish are often influenced by fortuitous events, and stochasticity may dominate. The establishment of a continuous and adequate monitoring program in the area may contribute to understanding the effects of red tides on fish population dynamics. (© 2012 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)</div>
</front>
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<affiliations><list><country><li>Brésil</li>
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<region><li>Bahia</li>
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<tree><country name="Brésil"><region name="Bahia"><name sortKey="Amorim Reis Ilho, Jose" sort="Amorim Reis Ilho, Jose" uniqKey="Amorim Reis Ilho J" first="José" last="Amorim Reis-Filho">José Amorim Reis-Filho</name>
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<name sortKey="Amorim Reis Ilho, Jose" sort="Amorim Reis Ilho, Jose" uniqKey="Amorim Reis Ilho J" first="José" last="Amorim Reis-Filho">José Amorim Reis-Filho</name>
<name sortKey="Amorim Reis Ilho, Jose" sort="Amorim Reis Ilho, Jose" uniqKey="Amorim Reis Ilho J" first="José" last="Amorim Reis-Filho">José Amorim Reis-Filho</name>
<name sortKey="Amorim Reis Ilho, Jose" sort="Amorim Reis Ilho, Jose" uniqKey="Amorim Reis Ilho J" first="José" last="Amorim Reis-Filho">José Amorim Reis-Filho</name>
<name sortKey="Barros, Francisco" sort="Barros, Francisco" uniqKey="Barros F" first="Francisco" last="Barros">Francisco Barros</name>
<name sortKey="Da Silva, Eduardo M" sort="Da Silva, Eduardo M" uniqKey="Da Silva E" first="Eduardo M." last="Da Silva">Eduardo M. Da Silva</name>
<name sortKey="De Anchieta Cintra Da Costa Nunes, Jose" sort="De Anchieta Cintra Da Costa Nunes, Jose" uniqKey="De Anchieta Cintra Da Costa Nunes J" first="José" last="De Anchieta Cintra Da Costa Nunes">José De Anchieta Cintra Da Costa Nunes</name>
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