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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 ...
Impacto de agrotóxicos usados na lavoura de arroz irrigado em organismos bentônicos
(Universidade Federal de Santa Maria, 2010-02-23)
The objective of this project was to investigate the impact of different
pesticides used in the ricefield on the density and diversity of benthic organisms. In
the experiment, two collects of soil were made to identify ...
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 ...
Efeito de borda sobre uma assembléia de pequenos mamíferos em um fragmento de floresta estacional decidual de Santa Maria, RS, Sul do Brasil
(Universidade Federal de Santa Maria, 2007-04-12)
Alterations caused by the edge effects in a fragment have direct influence over the fauna and can determine the composition and distribution of the small non-flying
mammals assemblage in a landscape. This study had as ...
Chironomidae (Diptera: Insecta) na microbacia hidrográfica do rio Vacacaí-Mirim (Santa Maria, RS)
(Universidade Federal de Santa Maria, 2009-02-17)
The Chironomidae family constitutes one of the main groups of aquatic insects, being present in a great variety of environments and participating of various ecological processes, such as nutrients cycle and energetic ...
Borboletas frugívoras (Lepidoptera: Nymphalidae) de Santa Maria, região central do Rio Grande do Sul, Brasil
(Universidade Federal de Santa Maria, 2013-02-27)
Among some factors responsible for the occurrence and distribution of species, the heterogeneity and structural complexity of the environment can be decisive to their survival. Therefore, this study aimed to characterize ...
Aspectos da biologia de parasitóides hymenoptera e diptera associados à Brassolis astyra Godart, 1824 e a Opsiphanes invirae amplificatus Stichel (1904) (Lepidoptera: Morphinae)
(Universidade Federal de Santa Maria, 2008-03-28)
This work is part of a wider project than it seeks to make risings, revise, describe, publish the taxonomy
and help on the systematic, with publication of the illustrations of species morphology of parasitoids species
acurring ...
Análise do elemento transponível copia em espécies de Drosophila
(Universidade Federal de Santa Maria, 2008-04-30)
Transposable elements (TEs) are segments of DNA that have the ability to move up and replicate themselves within the genome. The retrotransposon copia belongs to the superfamily copia and was first sequenced in D. melanogaster. ...