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| Ferreira,Fabio Cop; Silva,André Teixeira da; Gonçalves,Cristina da Silva; Petrere Jr.,Miguel. |
| In stream environments habitat structure and limnological factors interact regulating patterns of energy and material transfer and affecting fish communities. In the coastal basins of Southeastern Brazil, limnological and structural characteristics differ between clear and blackwaters streams. The former have a diversity of substrate types, higher water velocities, and lower water conductivity, while the latter have sandy substrate, tea-colored and acidic waters, and low water velocities. In this study, we verified the relative importance of habitat structure and limnological variables in predicting patterns of variation in stream fish communities. Eight first to third order streams were sampled in the coastal plain of Itanhaém River basin. We captured 34... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Blackwater streams; Clearwater streams; East basin; Restinga forest; Variance partitioning. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252014000100177 |
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| Cetra,Mauricio; Mattox,George Mendes Taliaferro; Ferreira,Fabio Cop; Guinato,Rayssa Bernardi; Silva,Fernando Vieira; Pedrosa,Marina. |
| Abstract The Paraná River basin has about 600 fish species. In the Upper Paraná, 310 fish species were recorded, with 52 species were registered in the streams and headwaters of the Paranapanema River. The aim of this study was to characterize the stream fish communities in the Upper Paranapanema River basin. Samplings were conducted with electrofishing during the dry season in the year of 2014. The collection effort consisted of 30 streams stretches. As a result, 41 species of stream fish were recorded in the Upper Paranapanema River basin, distributed in 26 genera, 11 families and 7 orders. Thirty-nine percent of the species can be considered rare, 41% intermediate and 20% common. We captured approximately eight species by stream stretch and the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Fish communities; Estimated richness; Rare species. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032016000300304 |
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