Buscar
Itens para a visualização no momento 1-5 of 5
Interação da alcalinidade e densidade de estocagem em juvenis de jundiá Rhamdia quelen (Heptapteridae)
(Universidade Federal de Santa Maria, 2005-08-15)
To evaluate interaction of water alkalinity and stocking density on body ionic levels, survival, growth and behavior of silver catfish, Rhamdia quelen, juveniles, a short-term experiment (96 h) analyzed the effect of three ...
Efeito do cálcio na dieta sobre o crescimento e a sobrevivência de juvenis de jundiá Rhamdia quelen (Heptapteridae) em diferentes pH da água
(Universidade Federal de Santa Maria, 2005-02-22)
The purpose of this study was to verify the effect of dietary Ca2+ on growth and survival of silver catfish fingerlings (Rhamdia quelen) exposed to different water pH (5.5; 7.5 and 9.0). Silver catfish fingerlings were ...
Variabilidade genômica dos elementos transponíveis em espécies do grupo mesophragmatica do gênero Drosophila
(Universidade Federal de Santa Maria, 2005-04-25)
The mesophragmatica group belongs to the radiation virilis-repleta of the Drosophila subgenus, it was established by Brncic and Koref in 1957. The species of this group present some characteristics of isolated endemic ...
Investigação sobre a presença de retrotransposons em populações naturais do grupo cardini do gênero Drosophila (Diptera: Drosophilidae) do sul do Brasil
(Universidade Federal de Santa Maria, 2005-02-24)
The cardini group is part of the genus Drosophila and has its geographical distribution in the Neotropics. Some previous studies revealed the high variability in species of this group of flies. Transposable elements are ...
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, ...