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Variação do tamanho corporal em pequenos mamíferos neotropicais
(Universidade Federal de Santa Maria, 2020-02-17)
With this study we aim to examine the ecogeographic patterns of body size variation in populations of small mammals of the Atlantic Forest in eastern South America. For this we use body mass data from a mammal morphological ...
Diversidade genética e estrutura populacional de Fasciola hepatica (Linnaeus, 1758): o papel dos hospedeiros definitivos
(Universidade Federal de Santa Maria, 2020-02-21)
Fasciola hepatica is a flatworm of the Trematoda Class, and is responsible for the
disease called fasciolosis. This parasite is cosmopolitan and has heteroxenic cycle
being dependent on two hosts to complete its life ...
O impacto da fragmentação e perda de habitat na diversidade de aves em ambientes urbanos
(Universidade Federal de Santa Maria, 2020-01-07)
Biodiversity loss in urban environments is mainly caused by habitat loss and fragmentation.
While habitat loss can lead to immediate diversity reduction, fragmentation can isolate biological
communities, decreasing species ...
Investigação dos padrões de coossificação intervertebral dos elementos do sacro de dinosauria
(Universidade Federal de Santa Maria, 2021-02-22)
The main objective of this dissertation is to present a descriptive and comparative study
of sacral anatomy and the occurrence of sacral coossification in Saurischia (Theropoda
and Sauropomorpha) and Ornithischia, in ...
Morfologia da cavidade nasal de cinodontes traversodontidae (Eucynodontia: Gomphodontia) do Triássico Superior do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2020-03-20)
Traversodontidae is a group of Triassic herbivorous/omnivorous cynodonts that
represents the most diversified lineage within Cynognathia. In southern Brazil, a rich
fossil record of late Middle/mid-Late Triassic cynodonts ...
Sistemática e filogenia de Mahanarva (Ipiranga) com a descrição de duas novas espécies
(Universidade Federal de Santa Maria, 2020-02-28)
The spittlebug family Cercopidae are characterized by their bright colour patterns, head narrow than pronotum and the amount of protective froth excreta produced by their nymphs to complete their development. The genus of ...
Filogeografia e modelagem de nicho ecológico de Aegla Leach 1820 (Crustacea, Anomura): um olhar sobre o passado e projeções para o futuro
(Universidade Federal de Santa Maria, 2021-03-05)
Endemic to southern South America, the family Aeglidae Dana, 1852 comprises only one current
genus, Aegla Leach 1820, which has 89 described species. The eglids are distributed in Brazil,
Argentina, Bolivia, Chile, ...
Funções ecossistêmicas e redundância funcional de vertebrados marinhos recifais do Oceano Atlântico
(Universidade Federal de Santa Maria, 2020-02-19)
The role played by species at the local scale, known as ecological function, ensures ecosystem
functioning and the provision of ecosystem services. The overlap ecosystem functions between
different species characterizes ...
Influência do uso do solo na diversidade de anfíbios anuros nos Campos Sulinos do Rio Grande do Sul, Brasil
(Universidade Federal de Santa Maria, 2020-03-05)
The degradation of natural ecosystems due to land use changes is becoming accentuated,
altering the structure, composition or ecosystem processes, as well as negatively affecting
biodiversity. Among vertebrates, amphibians ...
Taxonomia e biologia populacional de duas espécies simpátricas de Hyalella (Crustacea, Amphipoda, Hyalellidae)
(Universidade Federal de Santa Maria, 2020-02-18)
Freshwater amphipods of the genus Hyalella are typical in American continental waters and have
high levels of endemicity. In Brazil, the state of Rio Grande do Sul has the greatest diversity of
species for the genus known ...