Rescue effect drives local persistence of fish species in the upper Paraná river floodplain

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dc.creatorGranzotti, Rafaela Vendrametto
dc.creatorCassemiro, Fernanda Aparecida da Silva
dc.creatorAgostinho, Angelo Antonio
dc.creatorBini, Luis Mauricio
dc.date.accessioned2023-07-11T15:30:41Z
dc.date.available2023-07-11T15:30:41Z
dc.date.issued2021
dc.description.abstractThe interspecific variation in spatial distribution has been frequently studied in macroecology, but cross-species differences in temporal occupancy (the number of times a species has been recorded in a site, i.e. local persistence) are seldom investigated. Here we aim to determine the relative importance of different predictors of species temporal occupancy, including local abundance, body size, range size, biological traits, environmental niche metrics, and proportion of the sites occupied (mean landscape occurrence). Using 17 years of data on 93 Neotropical fish species collected at the Upper Paraná River floodplain, we modelled temporal occupancy in six floodplain lakes, controlling for phylogenetic dependence, and investigated whether the relative importance of predictors was maintained across sites. Mean landscape occurrence and mean local abundance were the main predictors of temporal occupancy in all six lakes. Body size was also important in most lakes. The concordance in the ranks of predictors was high, indicating consistency in the mechanisms behind temporal occupancy across sites. Our results indicate the importance of metapopulation processes, especially the rescue effect, in determining long-term persistence of fish local populations in floodplains. The influence of spatial occupancy on local persistence implies that protecting a large number of habitats in the landscape might reduce the risk of local extinction of species, thus maintaining biodiversity levels in the system.pt_BR
dc.identifier.citationGRANZOTTI, Rafaela V.; CASSEMIRO, Fernanda A. S.; AGOSTINHO, Angelo A.; Bini, Luis M. Rescue effect drives local persistence of fish species in the upper Paraná river floodplain. Freshwater Biology, Hoboken, v. 66, n. 5, p. 914-925, 2021. DOI: 10.1111/fwb.13686. Disponível em: https://onlinelibrary.wiley.com/doi/abs/10.1111/fwb.13686. Acesso em: 5 jul. 2023.pt_BR
dc.identifier.doi10.1111/fwb.13686
dc.identifier.issn0046-5070
dc.identifier.issne- 1365-2427
dc.identifier.urihttps://onlinelibrary.wiley.com/doi/abs/10.1111/fwb.13686
dc.language.isoengpt_BR
dc.publisher.countryEstados unidospt_BR
dc.publisher.departmentInstituto de Ciências Biológicas - ICB (RMG)pt_BR
dc.rightsAcesso Restritopt_BR
dc.titleRescue effect drives local persistence of fish species in the upper Paraná river floodplainpt_BR
dc.typeArtigopt_BR

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