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Distribuição de macroinvertebrados, com ênfase no gênero Hyalella (Crustacea: Peracarida: Amphipoda), em ambientes lênticos e lóticos do sul do Brasil
(Universidade Federal de Santa Maria, 2015-07-24)
Aquatic environments have been altered due to the increase of anthropogenic activities. The degradation of aquatic ecosystems has reached alarming levels, particularly in freshwater ecosystems. Water resources monitoring ...
Padrões de distribuição do gênero Aegla Leach, 1820 (Crustacea, Decapoda, Anomura) associados à cobertura do solo
(Universidade Federal de Santa Maria, 2015-03-16)
Knowing the distributional patterns and the mechanisms that lead to the actual levels of diversity and richness is a challenge given the ecosystems threats. Understanding how the threats coming from the human actions can ...
Ecologia e conservação de peixe anuais em áreas úmidas temporárias no Sul do Brasil
(Universidade Federal de Santa Maria, 2015-03-30)
In the present study, we used two approaches. At the local scale we studied the fish community of temporary wetlands along a hydrological cycle. At a regional scale we investigated the patterns of diversity and conservation ...