Do river basins influence the composition of functional traits of fish assemblages in Neotropical reservoirs?

Detalhes bibliográficos
Autor(a) principal: Muniz,C. M.
Data de Publicação: 2021
Outros Autores: Frota,A., Ganassin,M. J. M., Agostinho,A. A., Gomes,L. C.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Brazilian Journal of Biology
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1519-69842021000300765
Resumo: Abstract In aquatic environments, dams are considered one of the main threats to fish species, acting as an environmental filter for certain functional traits. Although there is some predictability in the composition of the functional traits in reservoirs, it is hypothesized that the environmental filters imposed by evolutionary processes, linked to the characteristics of the basins, are determinant for the functional composition of the traits in reservoirs. For this we performed a PCoA using the functional traits composition matrix of the reservoirs. We used PERMANOVA to test the difference in functional composition between basins. We performed the same process for the species composition matrix to compare the patterns. In this study, there were taxonomic and functional differences among reservoirs inserted in different basins. It was observed that the basin is a determining factor for the functional structure of fish assemblage in reservoirs. When compared, functional and taxonomic structures follow the same pattern, although functionally the reservoir tends to be more similar. These results reinforce the idea that reservoirs act as filters for functional traits (e.g., related with reproduction, feeding and habitat use), although there is a great influence of evolutionary processes related to the basin’s characteristics and origin of the ichthyofaunistic province.
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spelling Do river basins influence the composition of functional traits of fish assemblages in Neotropical reservoirs?fish assemblageecoregionsenvironmental filterfunctional structuretaxonomic structureAbstract In aquatic environments, dams are considered one of the main threats to fish species, acting as an environmental filter for certain functional traits. Although there is some predictability in the composition of the functional traits in reservoirs, it is hypothesized that the environmental filters imposed by evolutionary processes, linked to the characteristics of the basins, are determinant for the functional composition of the traits in reservoirs. For this we performed a PCoA using the functional traits composition matrix of the reservoirs. We used PERMANOVA to test the difference in functional composition between basins. We performed the same process for the species composition matrix to compare the patterns. In this study, there were taxonomic and functional differences among reservoirs inserted in different basins. It was observed that the basin is a determining factor for the functional structure of fish assemblage in reservoirs. When compared, functional and taxonomic structures follow the same pattern, although functionally the reservoir tends to be more similar. These results reinforce the idea that reservoirs act as filters for functional traits (e.g., related with reproduction, feeding and habitat use), although there is a great influence of evolutionary processes related to the basin’s characteristics and origin of the ichthyofaunistic province.Instituto Internacional de Ecologia2021-09-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1519-69842021000300765Brazilian Journal of Biology v.81 n.3 2021reponame:Brazilian Journal of Biologyinstname:Instituto Internacional de Ecologia (IIE)instacron:IIE10.1590/1519-6984.230833info:eu-repo/semantics/openAccessMuniz,C. M.Frota,A.Ganassin,M. J. M.Agostinho,A. A.Gomes,L. C.eng2021-03-29T00:00:00Zoai:scielo:S1519-69842021000300765Revistahttps://www.scielo.br/j/bjb/https://old.scielo.br/oai/scielo-oai.phpbjb@bjb.com.br||bjb@bjb.com.br1678-43751519-6984opendoar:2021-03-29T00:00Brazilian Journal of Biology - Instituto Internacional de Ecologia (IIE)false
dc.title.none.fl_str_mv Do river basins influence the composition of functional traits of fish assemblages in Neotropical reservoirs?
title Do river basins influence the composition of functional traits of fish assemblages in Neotropical reservoirs?
spellingShingle Do river basins influence the composition of functional traits of fish assemblages in Neotropical reservoirs?
Muniz,C. M.
fish assemblage
ecoregions
environmental filter
functional structure
taxonomic structure
title_short Do river basins influence the composition of functional traits of fish assemblages in Neotropical reservoirs?
title_full Do river basins influence the composition of functional traits of fish assemblages in Neotropical reservoirs?
title_fullStr Do river basins influence the composition of functional traits of fish assemblages in Neotropical reservoirs?
title_full_unstemmed Do river basins influence the composition of functional traits of fish assemblages in Neotropical reservoirs?
title_sort Do river basins influence the composition of functional traits of fish assemblages in Neotropical reservoirs?
author Muniz,C. M.
author_facet Muniz,C. M.
Frota,A.
Ganassin,M. J. M.
Agostinho,A. A.
Gomes,L. C.
author_role author
author2 Frota,A.
Ganassin,M. J. M.
Agostinho,A. A.
Gomes,L. C.
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Muniz,C. M.
Frota,A.
Ganassin,M. J. M.
Agostinho,A. A.
Gomes,L. C.
dc.subject.por.fl_str_mv fish assemblage
ecoregions
environmental filter
functional structure
taxonomic structure
topic fish assemblage
ecoregions
environmental filter
functional structure
taxonomic structure
description Abstract In aquatic environments, dams are considered one of the main threats to fish species, acting as an environmental filter for certain functional traits. Although there is some predictability in the composition of the functional traits in reservoirs, it is hypothesized that the environmental filters imposed by evolutionary processes, linked to the characteristics of the basins, are determinant for the functional composition of the traits in reservoirs. For this we performed a PCoA using the functional traits composition matrix of the reservoirs. We used PERMANOVA to test the difference in functional composition between basins. We performed the same process for the species composition matrix to compare the patterns. In this study, there were taxonomic and functional differences among reservoirs inserted in different basins. It was observed that the basin is a determining factor for the functional structure of fish assemblage in reservoirs. When compared, functional and taxonomic structures follow the same pattern, although functionally the reservoir tends to be more similar. These results reinforce the idea that reservoirs act as filters for functional traits (e.g., related with reproduction, feeding and habitat use), although there is a great influence of evolutionary processes related to the basin’s characteristics and origin of the ichthyofaunistic province.
publishDate 2021
dc.date.none.fl_str_mv 2021-09-01
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=S1519-69842021000300765
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1519-69842021000300765
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/1519-6984.230833
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 Instituto Internacional de Ecologia
publisher.none.fl_str_mv Instituto Internacional de Ecologia
dc.source.none.fl_str_mv Brazilian Journal of Biology v.81 n.3 2021
reponame:Brazilian Journal of Biology
instname:Instituto Internacional de Ecologia (IIE)
instacron:IIE
instname_str Instituto Internacional de Ecologia (IIE)
instacron_str IIE
institution IIE
reponame_str Brazilian Journal of Biology
collection Brazilian Journal of Biology
repository.name.fl_str_mv Brazilian Journal of Biology - Instituto Internacional de Ecologia (IIE)
repository.mail.fl_str_mv bjb@bjb.com.br||bjb@bjb.com.br
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