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Estrutura populacional e biologia reprodutiva de duas espécies de Hyalella Smith, 1874 (Crustacea, Amphipoda, Hyalellidae)
(Universidade Federal de Santa Maria, 2014-08-25)
Research on aspects of a population are essential because they provide information not only about the biology of the species, but of all their connection to the environment too. The objective of this study was to characterize ...
Jundiá: efeitos fisiológicos do óleo essencial de Lippia alba adicionado à ração
(Universidade Federal de Santa Maria, 2014-07-17)
The aim of this study was to evaluate the effect of the essential oil of Lippia alba (EOLA) as a feed additive on ionoregulatory and metabolic parameters, and pituitary hormones expression in silver catfish, Rhamdia quelen. ...
Análise morfométrica da série molar inferior em Didelfídeos (Mammalia)
(Universidade Federal de Santa Maria, 2014-02-24)
Tribosphenic molars are considered major innovations of mammals and are related to different structures and variables that may explain their adaptation. The aim of this study was to verify the relationship of body size, ...
Diversidade de caranguejos e estrutura populacional de Uca cumulanta Crane, 1943 (Decapoda: Brachyura: Ocypodidae) em um manguezal no Nordeste brasileiro
(Universidade Federal de Santa Maria, 2014-03-28)
The aim of this study was to describe the richness and composition of crabs (Crustacea: Brachyura) from four stations in the Rio Formoso mangrove, state of Pernambuco, and then characterize the population structure of the ...
Efeito de pequenas variações na altitude e na ordem de riachos sobre a estrutura de comunidades de insetos aquáticos
(Universidade Federal de Santa Maria, 2014-02-10)
The present study analyzes the effects of a short elevation gradient (0-500 m) and stream order (1st to 4th) on the structure and spatial distribution of EPT and Coleoptera (Elmidae and Psephenidae) communities in a ...
Variabilidade espaço-temporal de mariposas em duas localidades da região central do Rio Grande do Sul, Brasil
(Universidade Federal de Santa Maria, 2014-08-29)
Rio Grande do Sul, studies with Lepidoptera are quite widespread, especially
with butterflies. However, with moths, it is known that the paper´s number is lower,
and with specific groups usually registered at locations ...
Influência de fatores ambientais de ampla escala na distribuição espacial de moluscos límnicos
(Universidade Federal de Santa Maria, 2014-02-14)
This dissertation presents unique approaches about the influence of environmental variables at
different spatial scales (meso and macro regional temperature, rainfall and altitude) (1), and
aquatic and terrestrial factors ...
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 ...
Cultivo de eucalyptus reduz a diversidade da herpetofauna em área de campo no sul do Brasil
(Universidade Federal de Santa Maria, 2014-02-19)
The expansion of forestation on grassland ecosystems has dramatically changed the landscape, as well
as affected the biodiversity and the sustainability of these ecosystems around the world. Grasslands of
southern South ...
Estrutura populacional, biologia reprodutiva e ecologia alimentar de Loricariichthys melanocheilus Reis & Pereira, 2000 (Siluriformes, Loricariidae) no rio Ibicuí, RS, Brasil
(Universidade Federal de Santa Maria, 2014-02-17)
The aim of this work was analyze population structure, reproductive biology and feeding ecology of Loricariichthys melanocheilus in Ibicui River. Fish were caught bimonthly in lotic and lentic environment between São Vicente ...