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Análise da alimentação de Acestrorhynchus pantaneiro (Characiformes: acestrorhynchidae) em Três Rios do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2012-02-29)
To understand the behavior of a species under the reproduction aspects, growth, birth rate,
mortality and migration is indispensable the knowledge of his alimentary behavior, still more
if treating of fishes with habit ...
Podem pequenas variações na altitude e na ordem de riachos influenciar a estrutura das comunidades de moluscos?
(Universidade Federal de Santa Maria, 2012-05-31)
The influence of small gradients of altitude (0-500 meters) and order (1st to 4th) in the
spatial distribution of mollusk communities was studied, based on 40 samples collected in a
watershed of a temperate climate region, ...
Comportamento agonístico, deslocamento e padrões de atividade de lagostins neotropicais (Decapoda: Parastacidae)
(Universidade Federal de Santa Maria, 2012-02-24)
This study investigated the behavior of crayfishes of the genus Parastacus. Two experiments were
performed: one describing and comparing the agonistic behavior of Parastacus brasiliensis and
Parastacus pilimanus, in ...
Diversidade de borboletas (Lepidoptera: hesperioidea e papilionoidea) em áreas verdes urbanas de Santa Maria, Rio Grande do Sul, Brasil
(Universidade Federal de Santa Maria, 2012-02-27)
Urban green areas can provide many feeding resources and conditions to harbor some animal
species, especially small ones as insects. To analyze the diversity of butterflies in urban green
areas in Santa Maria municipality, ...
Efeito da simpatria sobre a diversidade genética de Aegla platensis (Crustacea, Decapoda)
(Universidade Federal de Santa Maria, 2012-02-29)
Sympatry is characterized by the existence of two or more species phylogenetically
related occupying the same ecological niche. This event has already been recorded
in species of crabs of the genus Aegla in Brazil between ...
Aporte e fragmentação de matéria orgânica em riacho neotropical
(Universidade Federal de Santa Maria, 2012-02-24)
The objective of this study was to determine the plant alloctonous material input and its processing by shredders in the Caranguejo Creek, a first order Neotropical stream. In order to do so, three experiments were performed. ...
Filogeografia de Drosophila maculifrons e Drosophila griseolineata (Diptera, Drosophilidae) na região Sul do Brasil
(Universidade Federal de Santa Maria, 2012-02-24)
The Quaternary period was marked by considerable changes on climate and vegetation. In the
Southern Hemisphere, glaciations were milder than in the Northern Hemisphere, however, there
were temperature reductions, and the ...
Variabilidade da atividade do elemento de transposição mariner em populações naturais de Drosophila simulans
(Universidade Federal de Santa Maria, 2012-02-24)
Transposition elements (TEs) are DNA sequences with the ability to move from one
chromosome region to another. These elements have different mechanisms of transposition
and diversity in their sequences, giving them wide ...