Fish communities in seasonally isolated lagoons of the Upper Paraná River basin, Southeastern Brazil

Marginal lagoons are natural nurseries of commercially important fish species and preferential habitats for sedentary and small-sized fish species. The composition and abundance of fish communities in seasonally isolated lagoons of the Turvo River, qualitative and quantitative changes in the dry and...

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Detalhes bibliográficos
Autores: Araujo, Renato B. [UNESP], Langeani, Francisco [UNESP]
Formato: artículo
Estado:Versión publicada
Fecha de publicación:2025
País:Brasil
Recursos:Universidade Estadual Paulista (UNESP)
Repositorio:Repositório Institucional da UNESP
Idioma:inglés
OAI Identifier:oai:repositorio.unesp.br:11449/304554
Acesso em linha:http://dx.doi.org/10.1051/limn/2025004
https://hdl.handle.net/11449/304554
Access Level:acceso abierto
Palavra-chave:Diversity
fish assemblage structure
floodplain
Neotropical
seasonality
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spelling Fish communities in seasonally isolated lagoons of the Upper Paraná River basin, Southeastern BrazilDiversityfish assemblage structurefloodplainNeotropicalseasonalityMarginal lagoons are natural nurseries of commercially important fish species and preferential habitats for sedentary and small-sized fish species. The composition and abundance of fish communities in seasonally isolated lagoons of the Turvo River, qualitative and quantitative changes in the dry and rainy seasons, as well as their relationship with environmental factors, were investigated. The material was sampled in both seasons in six marginal lagoons. Ichthyofauna was studied through species richness, diversity, evenness, qualitative and quantitative similarities, and ecological associations between samples and species. A total of 7457 specimens, distributed among 52 species, 40 genera, 19 families, and five orders, were recorded. The most abundant species were Astyanax lacustris, Serrapinnus heterodon, Pterygoplichthys ambrosettii, Hyphessobrycon eques, and Moenkhausia intermedia. Fish communities showed remarkable seasonality with the highest values of species richness and abundance in the rainy season. In both seasons, higher species richness was found in environments with the largest area and amount of macrophyte species. Canonical correspondence analysis revealed that water temperature and alkalinity were significantly associated with ichthyofauna structure. Despite adverse conditions in isolated seasonal lagoons, global fish diversity was high due to heterogeneous environmental conditions. These habitats must be considered priority areas for fish conservation and management.Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Sao Paulo State Univ, Dept Biol Sci, Sao Jose Do Rio Preto, SP, BrazilSao Paulo State Univ, Dept Biol Sci, Sao Jose Do Rio Preto, SP, BrazilCNPq: 142.180/2005-0FAPESP: 04/00545-8Edp Sciences S AUniversidade Estadual Paulista (UNESP)2025-04-29T19:35:22Z2025-04-02info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article14http://dx.doi.org/10.1051/limn/2025004International Journal Of Limnology. Les Ulis Cedex A: Edp Sciences S A, v. 61, 14 p., 2025.https://hdl.handle.net/11449/30455410.1051/limn/2025004WOS:001457794500001Web of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengInternational Journal Of Limnologyinfo:eu-repo/semantics/openAccessAraujo, Renato B. [UNESP]Langeani, Francisco [UNESP]2025-04-30T13:52:30Zoai:repositorio.unesp.br:11449/304554Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestrepositoriounesp@unesp.bropendoar:29462025-04-30T13:52:30Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Fish communities in seasonally isolated lagoons of the Upper Paraná River basin, Southeastern Brazil
title Fish communities in seasonally isolated lagoons of the Upper Paraná River basin, Southeastern Brazil
spellingShingle Fish communities in seasonally isolated lagoons of the Upper Paraná River basin, Southeastern Brazil
Araujo, Renato B. [UNESP]
Diversity
fish assemblage structure
floodplain
Neotropical
seasonality
title_short Fish communities in seasonally isolated lagoons of the Upper Paraná River basin, Southeastern Brazil
title_full Fish communities in seasonally isolated lagoons of the Upper Paraná River basin, Southeastern Brazil
title_fullStr Fish communities in seasonally isolated lagoons of the Upper Paraná River basin, Southeastern Brazil
title_full_unstemmed Fish communities in seasonally isolated lagoons of the Upper Paraná River basin, Southeastern Brazil
title_sort Fish communities in seasonally isolated lagoons of the Upper Paraná River basin, Southeastern Brazil
dc.creator.none.fl_str_mv Araujo, Renato B. [UNESP]
Langeani, Francisco [UNESP]
author Araujo, Renato B. [UNESP]
author_facet Araujo, Renato B. [UNESP]
Langeani, Francisco [UNESP]
author_role author
author2 Langeani, Francisco [UNESP]
author2_role author
dc.contributor.none.fl_str_mv Universidade Estadual Paulista (UNESP)
dc.subject.por.fl_str_mv Diversity
fish assemblage structure
floodplain
Neotropical
seasonality
topic Diversity
fish assemblage structure
floodplain
Neotropical
seasonality
description Marginal lagoons are natural nurseries of commercially important fish species and preferential habitats for sedentary and small-sized fish species. The composition and abundance of fish communities in seasonally isolated lagoons of the Turvo River, qualitative and quantitative changes in the dry and rainy seasons, as well as their relationship with environmental factors, were investigated. The material was sampled in both seasons in six marginal lagoons. Ichthyofauna was studied through species richness, diversity, evenness, qualitative and quantitative similarities, and ecological associations between samples and species. A total of 7457 specimens, distributed among 52 species, 40 genera, 19 families, and five orders, were recorded. The most abundant species were Astyanax lacustris, Serrapinnus heterodon, Pterygoplichthys ambrosettii, Hyphessobrycon eques, and Moenkhausia intermedia. Fish communities showed remarkable seasonality with the highest values of species richness and abundance in the rainy season. In both seasons, higher species richness was found in environments with the largest area and amount of macrophyte species. Canonical correspondence analysis revealed that water temperature and alkalinity were significantly associated with ichthyofauna structure. Despite adverse conditions in isolated seasonal lagoons, global fish diversity was high due to heterogeneous environmental conditions. These habitats must be considered priority areas for fish conservation and management.
publishDate 2025
dc.date.none.fl_str_mv 2025-04-29T19:35:22Z
2025-04-02
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://dx.doi.org/10.1051/limn/2025004
International Journal Of Limnology. Les Ulis Cedex A: Edp Sciences S A, v. 61, 14 p., 2025.
https://hdl.handle.net/11449/304554
10.1051/limn/2025004
WOS:001457794500001
url http://dx.doi.org/10.1051/limn/2025004
https://hdl.handle.net/11449/304554
identifier_str_mv International Journal Of Limnology. Les Ulis Cedex A: Edp Sciences S A, v. 61, 14 p., 2025.
10.1051/limn/2025004
WOS:001457794500001
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv International Journal Of Limnology
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 14
dc.publisher.none.fl_str_mv Edp Sciences S A
publisher.none.fl_str_mv Edp Sciences S A
dc.source.none.fl_str_mv Web of Science
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv repositoriounesp@unesp.br
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score 15.301603

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