Environmental filters predict the trait composition of fish communities in reservoir cascades

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dc.creatorSantos, Natália Carneiro Lacerda dos
dc.creatorSantana, Herick Soares de
dc.creatorGonçalves Ortega, Jean Carlo
dc.creatorDias, Rosa Maria
dc.creatorStegmann, Lis Fernandes
dc.creatorAraújo, Isabela Maria da Silva
dc.creatorSeveri, William
dc.creatorBini, Luis Mauricio
dc.creatorGomes, Luiz Carlos
dc.creatorAgostinho, Angelo Antonio
dc.date.accessioned2023-07-12T13:27:53Z
dc.date.available2023-07-12T13:27:53Z
dc.date.issued2017
dc.description.abstractDam construction alters flow regimes and can change the composition of aquatic communities. Using data from three Brazilian hydrographic basins, we tested the hypothesis that reservoir cascades act as environmental filters for fish traits. This dataset included information on different environmental variables and fish traits (diet, migration, fecundation, parental care, position in the water column, and body size), and we used multivariate analysis (partial RLQ) to quantify the relationships between environmental variables, species abundance and traits. We found that the abundance of migratory species declined towards downstream reservoirs, which tend to be smaller and less turbid with a shorter water residence time than upstream reservoirs. We also found evidence of an association between reservoir age and the domination of fish communities by small-sized species with parental care, external fecundation, and benthic habits. Our findings suggest that particular fish traits are selected for across reservoir cascades.pt_BR
dc.identifier.citationSANTOS, Natália Carneiro Lacerda dos et al. Environmental filters predict the trait composition of fish communities in reservoir cascades. Hydrobiologia, Berlim, v. 802, p. 245-253, 2017. DOI: 10.1007/s10750-017-3274-4. Disponível em: https://link.springer.com/article/10.1007/s10750-017-3274-4. Acesso em: 5 jul. 2023.pt_BR
dc.identifier.doi10.1007/s10750-017-3274-4
dc.identifier.issn0018-8158
dc.identifier.issn1573-5117
dc.identifier.urihttps://link.springer.com/article/10.1007/s10750-017-3274-4
dc.language.isoengpt_BR
dc.publisher.countryAlemanhapt_BR
dc.publisher.departmentInstituto de Ciências Biológicas - ICB (RMG)pt_BR
dc.rightsAcesso Restritopt_BR
dc.subjectTrait–environment relationshippt_BR
dc.subjectFreshwater fishpt_BR
dc.subjectPartial RLQpt_BR
dc.subjectHydrologic alterationpt_BR
dc.subjectStrategiespt_BR
dc.subjectImpact of damspt_BR
dc.titleEnvironmental filters predict the trait composition of fish communities in reservoir cascadespt_BR
dc.typeArtigopt_BR

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