Effects of habitat fragmentation on the spider community (Arachnida: Araneae) in three Atlantic forest remnants in southeastern Brazil.
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This work was developed in three remnants of Atlantic forest in southeastern Brazil. We aimed to assess edge effects in the spider community in a well conserved fragment and to study the variation of spider diversity among fragments of different sizes. The spider families with the highest richness were Theridiidae (38 sp), Araneidae (31 sp) and Salticidae (25 sp). The control area showed the highest diversity (D=0.98) and exclusive species (58.9%). We concluded that spider richness is higher in the large and best preserved fragment. In addition, we found that species richness and abundance increased towards the interior.