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Predação de anuros nativos pela rã-touro (Rana catesbeiana: Ranidae) no sul do Brasil
(Universidade Federal de Santa Maria, 2005-03-11)
Bullfrogs (Rana catesbeiana) have been introduced in many continents causing impact on native species. We have studied the influence of bullfrogs on the native anuran fauna through the diet analysis of 291 specimens, ...
Dimensões corporais e reprodução de pequenos mamíferos do Maciço do Urucum, MS, Oeste do Brasil
(Universidade Federal de Santa Maria, 2007-04-13)
The research main goal was to obtain data and analyze the morphology and reproduction of small mammals. Since little data is available, it was analyzed the relation
between small mammals body structure (dimensions) and ...
Parâmetros metabólicos e íons plasmáticos de piavas (Leporinus obtusidens) expostas a diferentes níveis de oxigênio dissolvido e amônia
(Universidade Federal de Santa Maria, 2007-01-13)
Piava juveniles (7-13 cm; 25-30 g) were exposed to different NH3 (mg L-1): 0.003 (control), 0.1, 0.3, 0.7, 1.4, and dissolved oxygen levels (mg L-1): 1.0, 2.0, 3.0, 4.0, and 6.0, for 4 days (96h). Na+, K+, Cl-, and NH4
+ ...