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Comunidade de Odonata (Insecta) em áreas naturais de Cerrado e monocultura no nordeste do Estado de São Paulo, Brasil: relação entre o uso do solo e a riqueza faunística

2003; Sociedade Brasileira de Zoologia; Volume: 20; Issue: 2 Linguagem: Inglês

10.1590/s0101-81752003000200008

1806-969X

Patrícia Santos Ferreira-Peruquetti, Alaíde A. Fonseca-Gessner,

Aquatic Ecosystems and Phytoplankton Dynamics

Stream ecosystems may be strongly influenced in different ways by land use. The effects of land-cover patterns on Odonata community were studied in eight streams and seven lakes-dams of northeastern Sao Paulo State. The pattern analyzed was monoculture (sugar cane) vs. nature reserve in terms of Odonata species richness and similarity. Eighty-five Odonata species were sampled. The species richness was higher in the monoculture (33 species) than nature reserve (30 species) and 22 species were common to both areas. There was not verified relationship between land use and physical or chemical characteristics of the streams or lakes-dams water. These results suggest that some Odonata species are benefited and other affected by anthropogenic actions, although more studies are necessary to evaluate this hypothesis. There were ten new records for Sao Paulo State (Neoneura sylvatica, Coryphaeschna adnexa, Erythemis haematogastra, E. mithroides, Micrathyria longifasciata, M. pseudeximia, Planiplax machadoi, Lauromacromia sp., Tibiagomphus sp. and Aeschnosoma sp.).