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Assembléia de mamíferos dos agroecossistemas constituintes da bacia hidrográfi ca do rio da Várzea, Rio Grande do Sul

2010; UNIVERSIDADE FEDERAL DE SANTA CATARINA; Linguagem: Inglês

10.5007/2175-7925.2010v23n4p91

2175-7925

Felipe Bortolotto Peters, Paulo Ricardo de Oliveira Roth, Leonardo Ferreira Machado, Eduardo de Lima Coelho, Diego Marques Henriques Jung, Alexandre Uarth Christoff,

Morphological variations and asymmetry

We provide recent information on the richness of mammals along the agroecosystems of the Rio da Várzea Basin, Rio Grande do Sul, Brazil. We used different fi eld techniques to confi rm the occurrence of 46 mammal species in this area. Nine species are threatened in at least one of the three "red lists" at state, national and global levels. Adding the up-to-date results obtained in the fi eld to available data, mainly for conservation units, we present a richness of 85 species recorded for the basin. This number represents about 50% of mammals documented for Rio Grande do Sul state. The results suggest the importance of maintaining protected areas in altered regions, confi rming the relevance of inventories of local fauna as a fi rst approach to specifi c studies addressed to distribution, systematics, cytogenetics, physiology, population and community ecology.