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- W2325218849 abstract "ESR Endangered Species Research Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout the JournalEditorsSpecials ESR 13:79-85 (2011) - DOI: https://doi.org/10.3354/esr00316 Distribution, habitat and conservation status of two threatened annual fishes (Rivulidae) from southern Brazil Matheus Vieira Volcan*, Ândrio Cardozo Gonçalves, Luis Esteban Krause Lanés Instituto Pró-Pampa (IPPampa), Ichthyology Laboratory, Gomes Carneiro Street #1043, Centro, Pelotas 96010-610, Brazil *Email: matheusvolcan@hotmail.com ABSTRACT: This study presents information on the distribution of Austrolebias cyaneus and A. juanlangi, 2 annual fish species of southern Brazil considered threatened. Furthermore, data are provided on the conservation status of these species and their habitat characteristics to assist in the development of management plans and in the selection of priority areas for conservation of annual fishes in southern Brazil. A total of 6 populations of A. cyaneus and 3 populations of A. juanlangi were sampled from small ponds less than 1000 m2 in surface area. We sampled 104 specimens of A. cyaneus, distributed in the municipality of Rio Pardo and Minas do Leão in the basins of the Francisquinho, Capivari, and Dom Marcos streams, Jacuí River basin. A. juanlangi was recorded in the municipalities of Herval, Hulha Negra, and Pedras Altas, Jaguarão River basin, with 53 specimens being captured. At the sampling sites, the main threat to both species was rice cultivation. All pools were altered, isolated, and in an advanced state of degradation as a result of this monoculture. The restricted distribution area of the annual fishes and the advanced state of degradation and habitat loss of the wetlands sampled in this study justify the creation of conservation units in the areas of occurrence of Rivulidae species. KEY WORDS: Austrolebias cyaneus · Austrolebias juanlangi · Endemic · Endangered species · Rivulidae · Wetlands · Habitat loss Full text in pdf format NextCite this article as: Volcan MV, Gonçalves ÂC, Lanés LEK (2011) Distribution, habitat and conservation status of two threatened annual fishes (Rivulidae) from southern Brazil. Endang Species Res 13:79-85. https://doi.org/10.3354/esr00316 Export citation RSS - Facebook - Tweet - linkedIn Cited by Published in ESR Vol. 13, No. 2. Online publication date: January 14, 2011 Print ISSN: 1863-5407; Online ISSN: 1613-4796 Copyright © 2011 Inter-Research." @default.
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- W2325218849 title "Distribution, habitat and conservation status of two threatened annual fishes (Rivulidae) from southern Brazil" @default.
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