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Oligochaeta (Annelida) of continental aquatic environments from Mato Grosso do Sul (Brazil)

ABSTRACT

This study aimed a survey of Oligochaeta species in three different regions of Mato Grosso do Sul state (Baía, Ivinhema and Negro) in diverse environments (rivers, lakes, connecting channels). We recorded 41 Oligochaeta species, distributed in five families (Narapidae, Haplotaxidae, Opistocystidae, Alluroididae, and Naididae). The study showed Oligochaeta richness in river Negro regions in relation of regions degraded by human action.

KEYWORDS:
Richness; zoobentic; floodplain; Biota-MS Program

Museu de Ciências Naturais Museu de Ciências Naturais, Secretária do Meio Ambiente e Infraestrutura, Rua Dr. Salvador França, 1427, Jardim Botânico, 90690-000 - Porto Alegre - RS - Brasil, Tel.: + 55 51- 3320-2039 - Porto Alegre - RS - Brazil
E-mail: iheringia-zoo@fzb.rs.gov.br