Invertebrates assemblage captured by a pink shrimp's fishery on Amazon continental shelf

ABSTRACT Shrimp trawl fisheries constitute a major threat to continental shelves’ biodiversity, given their profound impact on benthic communities. We investigated the composition of an invertebrate assemblage impacted by this type of fishery and possible correlations of the abundance and...

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Autores principales:	Nóbrega,Priscila Sousa Vilela da, Santos,Cléverson Ranniéri Meira dos, Cordeiro,Ana Patrícia Barros, Martinelli-Lemos,Jussara Moretto
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar 2021
Materias:	Farfantepenaeus subtilis shrimp trawl bycatch taxonomic composition benthos environmental factors
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2021000200227
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spelling	oai:scielo:S0718-560X20210002002272021-06-10Invertebrates assemblage captured by a pink shrimp's fishery on Amazon continental shelfNóbrega,Priscila Sousa Vilela daSantos,Cléverson Ranniéri Meira dosCordeiro,Ana Patrícia BarrosMartinelli-Lemos,Jussara Moretto Farfantepenaeus subtilis shrimp trawl bycatch taxonomic composition benthos environmental factors ABSTRACT Shrimp trawl fisheries constitute a major threat to continental shelves’ biodiversity, given their profound impact on benthic communities. We investigated the composition of an invertebrate assemblage impacted by this type of fishery and possible correlations of the abundance and richness with specific environmental parameters. The activities of the industrial shrimp fleet on the north coast of Brazil were monitored over two years. We analyzed 20,303 specimens belonging to seven phyla (Porifera, Cnidaria, Mollusca, Sipuncula, Annelida, Arthropoda, Echinodermata) and 154 species. There was a predominance of generalist and rare species, given that most species (86) were sporadic. Taxonomic composition patterns were complex, dynamic, and were correlated mainly with the temperature and depth of the Amazon continental shelf, the largest in extension and low depth of the South Atlantic. The crustaceans were dominant in both abundance and taxonomic richness. The influence of environmental factors on the abundance of the main species is discussed. The invertebrates are a neglected component in studies of fisheries impact and important components of the ecological structure of the Amazon coast. They are an essential group for developing a holistic fisheries management approach, which will support the sustainability of the region's fisheries and preserve local aquatic communities.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del MarLatin american journal of aquatic research v.49 n.2 20212021-05-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2021000200227en10.3856/vol49-issue2-fulltext-2600
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Farfantepenaeus subtilis shrimp trawl bycatch taxonomic composition benthos environmental factors
spellingShingle	Farfantepenaeus subtilis shrimp trawl bycatch taxonomic composition benthos environmental factors Nóbrega,Priscila Sousa Vilela da Santos,Cléverson Ranniéri Meira dos Cordeiro,Ana Patrícia Barros Martinelli-Lemos,Jussara Moretto Invertebrates assemblage captured by a pink shrimp's fishery on Amazon continental shelf
description	ABSTRACT Shrimp trawl fisheries constitute a major threat to continental shelves’ biodiversity, given their profound impact on benthic communities. We investigated the composition of an invertebrate assemblage impacted by this type of fishery and possible correlations of the abundance and richness with specific environmental parameters. The activities of the industrial shrimp fleet on the north coast of Brazil were monitored over two years. We analyzed 20,303 specimens belonging to seven phyla (Porifera, Cnidaria, Mollusca, Sipuncula, Annelida, Arthropoda, Echinodermata) and 154 species. There was a predominance of generalist and rare species, given that most species (86) were sporadic. Taxonomic composition patterns were complex, dynamic, and were correlated mainly with the temperature and depth of the Amazon continental shelf, the largest in extension and low depth of the South Atlantic. The crustaceans were dominant in both abundance and taxonomic richness. The influence of environmental factors on the abundance of the main species is discussed. The invertebrates are a neglected component in studies of fisheries impact and important components of the ecological structure of the Amazon coast. They are an essential group for developing a holistic fisheries management approach, which will support the sustainability of the region's fisheries and preserve local aquatic communities.
author	Nóbrega,Priscila Sousa Vilela da Santos,Cléverson Ranniéri Meira dos Cordeiro,Ana Patrícia Barros Martinelli-Lemos,Jussara Moretto
author_facet	Nóbrega,Priscila Sousa Vilela da Santos,Cléverson Ranniéri Meira dos Cordeiro,Ana Patrícia Barros Martinelli-Lemos,Jussara Moretto
author_sort	Nóbrega,Priscila Sousa Vilela da
title	Invertebrates assemblage captured by a pink shrimp's fishery on Amazon continental shelf
title_short	Invertebrates assemblage captured by a pink shrimp's fishery on Amazon continental shelf
title_full	Invertebrates assemblage captured by a pink shrimp's fishery on Amazon continental shelf
title_fullStr	Invertebrates assemblage captured by a pink shrimp's fishery on Amazon continental shelf
title_full_unstemmed	Invertebrates assemblage captured by a pink shrimp's fishery on Amazon continental shelf
title_sort	invertebrates assemblage captured by a pink shrimp's fishery on amazon continental shelf
publisher	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar
publishDate	2021
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2021000200227
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Invertebrates assemblage captured by a pink shrimp's fishery on Amazon continental shelf

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