Relationship between fish assemblage structure and predictors related to estuarine productivity in shallow habitats of a Neotropical estuary
Autor(a) principal: | |
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Data de Publicação: | 2022 |
Outros Autores: | , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Neotropical ichthyology (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252022000400203 |
Resumo: | Abstract The variability of fish assemblage structure with respect to seasonality in salinity and productivity remains to be elucidate to many Neotropical estuaries. In this study, we hypothesized that salinity gradient and a set of variables related to ecosystem productivity drive community parameters in the shallow-water fish assemblage of the north-south axis of the Paranaguá Estuarine Complex (Southern Brazilian coast). Samples were taken with beach seine monthly from May 2000 to April 2001. Supporting our hypothesis, richness and abundance increased with turbidity, warmer waters of the rainier summer seasons, which are more productive. This environmental setting favors reproduction, as well as juvenile recruitment and growth, whose intensities are highest in this period. Highest abundance was found in inner areas, which may be explained by greater food and habitat availability. Richness was higher in more saline waters, due to the proximity of the rich pool of marine fish species. We suggest that local human interventions (e.g., dredging) should be avoided during the rainy seasons that are critical for species life cycles. Salinization, low estuarine productivity, and warmer waters, which are expected with climate change and human impacts in the local watershed, could affect the integrity of the local fish assemblage. |
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Neotropical ichthyology (Online) |
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Relationship between fish assemblage structure and predictors related to estuarine productivity in shallow habitats of a Neotropical estuaryClimate changeHuman impactsModelingSalinity gradientSeasonalityAbstract The variability of fish assemblage structure with respect to seasonality in salinity and productivity remains to be elucidate to many Neotropical estuaries. In this study, we hypothesized that salinity gradient and a set of variables related to ecosystem productivity drive community parameters in the shallow-water fish assemblage of the north-south axis of the Paranaguá Estuarine Complex (Southern Brazilian coast). Samples were taken with beach seine monthly from May 2000 to April 2001. Supporting our hypothesis, richness and abundance increased with turbidity, warmer waters of the rainier summer seasons, which are more productive. This environmental setting favors reproduction, as well as juvenile recruitment and growth, whose intensities are highest in this period. Highest abundance was found in inner areas, which may be explained by greater food and habitat availability. Richness was higher in more saline waters, due to the proximity of the rich pool of marine fish species. We suggest that local human interventions (e.g., dredging) should be avoided during the rainy seasons that are critical for species life cycles. Salinization, low estuarine productivity, and warmer waters, which are expected with climate change and human impacts in the local watershed, could affect the integrity of the local fish assemblage.Sociedade Brasileira de Ictiologia2022-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252022000400203Neotropical Ichthyology v.20 n.4 2022reponame:Neotropical ichthyology (Online)instname:Sociedade Brasileira de Ictiologia (SBI)instacron:SBI10.1590/1982-0224-2022-0006info:eu-repo/semantics/openAccessVergès,Luís Henrique Martins CappContente,Riguel FeltrinMarion,CamilaCastillo,Cívil Prisyla Casado delSpach,Henry LouisCattani,André PereiraFávaro,Luís Fernandoeng2022-11-22T00:00:00Zoai:scielo:S1679-62252022000400203Revistahttp://www.ufrgs.br/ni/https://old.scielo.br/oai/scielo-oai.php||neoichth@nupelia.uem.br1982-02241679-6225opendoar:2022-11-22T00:00Neotropical ichthyology (Online) - Sociedade Brasileira de Ictiologia (SBI)false |
dc.title.none.fl_str_mv |
Relationship between fish assemblage structure and predictors related to estuarine productivity in shallow habitats of a Neotropical estuary |
title |
Relationship between fish assemblage structure and predictors related to estuarine productivity in shallow habitats of a Neotropical estuary |
spellingShingle |
Relationship between fish assemblage structure and predictors related to estuarine productivity in shallow habitats of a Neotropical estuary Vergès,Luís Henrique Martins Capp Climate change Human impacts Modeling Salinity gradient Seasonality |
title_short |
Relationship between fish assemblage structure and predictors related to estuarine productivity in shallow habitats of a Neotropical estuary |
title_full |
Relationship between fish assemblage structure and predictors related to estuarine productivity in shallow habitats of a Neotropical estuary |
title_fullStr |
Relationship between fish assemblage structure and predictors related to estuarine productivity in shallow habitats of a Neotropical estuary |
title_full_unstemmed |
Relationship between fish assemblage structure and predictors related to estuarine productivity in shallow habitats of a Neotropical estuary |
title_sort |
Relationship between fish assemblage structure and predictors related to estuarine productivity in shallow habitats of a Neotropical estuary |
author |
Vergès,Luís Henrique Martins Capp |
author_facet |
Vergès,Luís Henrique Martins Capp Contente,Riguel Feltrin Marion,Camila Castillo,Cívil Prisyla Casado del Spach,Henry Louis Cattani,André Pereira Fávaro,Luís Fernando |
author_role |
author |
author2 |
Contente,Riguel Feltrin Marion,Camila Castillo,Cívil Prisyla Casado del Spach,Henry Louis Cattani,André Pereira Fávaro,Luís Fernando |
author2_role |
author author author author author author |
dc.contributor.author.fl_str_mv |
Vergès,Luís Henrique Martins Capp Contente,Riguel Feltrin Marion,Camila Castillo,Cívil Prisyla Casado del Spach,Henry Louis Cattani,André Pereira Fávaro,Luís Fernando |
dc.subject.por.fl_str_mv |
Climate change Human impacts Modeling Salinity gradient Seasonality |
topic |
Climate change Human impacts Modeling Salinity gradient Seasonality |
description |
Abstract The variability of fish assemblage structure with respect to seasonality in salinity and productivity remains to be elucidate to many Neotropical estuaries. In this study, we hypothesized that salinity gradient and a set of variables related to ecosystem productivity drive community parameters in the shallow-water fish assemblage of the north-south axis of the Paranaguá Estuarine Complex (Southern Brazilian coast). Samples were taken with beach seine monthly from May 2000 to April 2001. Supporting our hypothesis, richness and abundance increased with turbidity, warmer waters of the rainier summer seasons, which are more productive. This environmental setting favors reproduction, as well as juvenile recruitment and growth, whose intensities are highest in this period. Highest abundance was found in inner areas, which may be explained by greater food and habitat availability. Richness was higher in more saline waters, due to the proximity of the rich pool of marine fish species. We suggest that local human interventions (e.g., dredging) should be avoided during the rainy seasons that are critical for species life cycles. Salinization, low estuarine productivity, and warmer waters, which are expected with climate change and human impacts in the local watershed, could affect the integrity of the local fish assemblage. |
publishDate |
2022 |
dc.date.none.fl_str_mv |
2022-01-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252022000400203 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252022000400203 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/1982-0224-2022-0006 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira de Ictiologia |
publisher.none.fl_str_mv |
Sociedade Brasileira de Ictiologia |
dc.source.none.fl_str_mv |
Neotropical Ichthyology v.20 n.4 2022 reponame:Neotropical ichthyology (Online) instname:Sociedade Brasileira de Ictiologia (SBI) instacron:SBI |
instname_str |
Sociedade Brasileira de Ictiologia (SBI) |
instacron_str |
SBI |
institution |
SBI |
reponame_str |
Neotropical ichthyology (Online) |
collection |
Neotropical ichthyology (Online) |
repository.name.fl_str_mv |
Neotropical ichthyology (Online) - Sociedade Brasileira de Ictiologia (SBI) |
repository.mail.fl_str_mv |
||neoichth@nupelia.uem.br |
_version_ |
1752122183988019200 |