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Non-native species in reservoirs: how are we doing in Brazil?
- Source :
-
Hydrobiologia . Jul2018, Vol. 817 Issue 1, p71-84. 14p. 2 Charts, 3 Graphs, 1 Map. - Publication Year :
- 2018
-
Abstract
- The Brazilian Environmental Ministry (MMA) released a report in 2016 listing 163 non-native species into Brazilian inland waters. Reservoirs are among the freshwater habitats most frequently associated with the release of non-native species. Therefore, the aim of the present study was to evaluate the occurrence and distribution of the non-native species listed by the MMA, in large Brazilian reservoirs (≥ 30 km2). Further, we have tested the hypothesis that beta diversity of non-native species within reservoirs from the same basin is lower than those among reservoirs from distinct basins. A literature search was performed for 70 Brazilian reservoirs, resulting in the records of 91 non-native species. Reservoirs from the Paraná basin showed the highest number of occurrences, with 33 non-native species recorded only in the Itaipu reservoir. Beta diversity of non-native species showed higher variability among reservoirs from different basins than those within the same basin. Some basins were also distinguished by their composition of non-native species, as supported by the IndVal index. Non-native species were widespread along Brazilian reservoirs, and their distribution can be even higher than reported. [ABSTRACT FROM AUTHOR]
- Subjects :
- *INTRODUCED species
*RESERVOIRS
*FRESHWATER habitats
*BIOINDICATORS
*BIODIVERSITY
Subjects
Details
- Language :
- English
- ISSN :
- 00188158
- Volume :
- 817
- Issue :
- 1
- Database :
- Academic Search Index
- Journal :
- Hydrobiologia
- Publication Type :
- Academic Journal
- Accession number :
- 129629101
- Full Text :
- https://doi.org/10.1007/s10750-017-3446-2