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Seleção sexual em Aegla longirostri (Decapoda: Anomura): escolha de parceiro, meios de comunicação e efeitos na agressividade
(Universidade Federal de Santa Maria, 2013-02-19)
This study involved two experiments that addressed mate choice, male competition for mature females and the communication pathways used by both sexes in Aegla longirostri. In the first experiment, males were paired according ...
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, ...
Comunidade de insetos associados aos sicônios de três espécies de figueiras no Pantanal Sul Matogrossense
(Universidade Federal de Santa Maria, 2010-07-29)
Syconia of fig trees present a diverse interaction with different groups of organisms. In this study we characterized insect community associated with three fig species in the region of Miranda/Abobral, Pantanal Sul ...
Composição e distribuição espacial e temporal de larvas de Chironomidae (Insecta, Diptera), em um rio em região montanhosa, no extremo sul do Brasil
(Universidade Federal de Santa Maria, 2011-03-31)
The composition and spatio-temporal distribution of the taxocenoses of the larvae of Chironomidae of a mountainous river, in southernmost Brazil were analyzed for this study. The diversity found was also compared to the ...
Efeito de dieta suplementada com selênio em carpas (Cyprinus carpio) expostas a atrazina
(Universidade Federal de Santa Maria, 2016-03-09)
The water pollution, derived from several human activities, results in harmful effects to the ecosystems involved. In order to verify the potential toxicity of xenobiotics, it is usual to use carps (Cyprinus carpio) as ...
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 ...
Utilização de ninhos artificiais por vertebrados e invertebrados, em um fragmento de mata Atlântica no sul do Brasil
(Universidade Federal de Santa Maria, 2015-02-23)
Tree cavities are an important natural resource found in many habitats, providing breeding sites and shelter for arthropods, birds and mammals. However, nest boxes have been more frequently used in Brazil as a tool aiming ...
Evolução do gene mitocondrial COI em Aeglidae (Crustacea, Anomura) e implicações para DNA barcoding
(Universidade Federal de Santa Maria, 2014-04-10)
The mitochondrial gene COI is widely used as a molecular marker, and the region used for DNA barcoding is getting more and more popular to species delimitation and identification. However, the evolution patterns can vary ...
Comunidade de artrópodes ectoparasitos de duas espécies de Turdus linnaeus, 1758 (Passeriformes: turdidae) no sul do estado do Rio Grande do Sul, Brasil
(Universidade Federal de Santa Maria, 2011-02-28)
This study aimed to describe the ectoparasitic arthropod community associated with
syntopic populations of Turdus amaurochalinus and T. rufiventris in three areas of the
Atlantic forest in the southern state of Rio Grande ...
Diversidade de formigas (Hymenoptera: formicidae) de fragmentos florestais em Santa Maria, Rio Grande do Sul, Brasil
(Universidade Federal de Santa Maria, 2011-03-14)
Ants belong to a hyperdiverse social insect group with many species used as ecological indicators of
their habitat conditions. This study aims to analyze richness, species composition, diversity, evenness,
and environmental ...