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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, ...
Efeitos da contaminação ambiental por mancozebe em girinos de Physalaemus henselii (PETERS, 1872) (Anura: Leptodactylidae): uma espécie termossensível e de distribuição restrita
(Universidade Federal de Santa Maria, 2020-02-28)
Native habitats experience dramatic conversion rates by expanding agriculture, resulting in environmental
contamination and impacts on wildlife. Mancozeb (Mz) is a best-selling broad-spectrum fungicide in the
world, which ...
Hábito alimentar e história evolutiva moldam a forma do bico dos passeriformes da Mata Atlântica
(Universidade Federal de Santa Maria, 2018-03-28)
In the present study, we aimed to analyze the effect of the feeding habit, phylogenetic history,
size and habitat in the beak shape of the Atlantic Forest passerine birds, as a whole group and
also comparing the two ...
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 ...
Atividade de vocalização de Crossodactylus schmidti (Anura: hylodidae) sob a influência da radiação ultravioleta
(Universidade Federal de Santa Maria, 2020-09-04)
Anthropogenic activities, such as the release of polluting gases and deforestation, accelerate the stratospheric ozone depletion increasing the incidence of ultraviolet radiation (UVR). Even though essential for life, UVR ...
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 ...
A variabilidade populacional do elemento de transposição mariner na espécie Drosophila simulans e sua descoberta em Drosophila melanogaster
(Universidade Federal de Santa Maria, 2009-10-09)
Transposable elements are DNA sequences that can change their location within the genome and can be found in almost all organisms. The mariner transposable element belongs to Class II, Tc1-mariner superfamily. An inactive ...
Descrição de novas espécies neotropicais de Hirtodrosophila e Mycodrosophila (Diptera, Drosophilidae) baseada em dados morfológicos e moleculares
(Universidade Federal de Santa Maria, 2013-02-26)
The Drosophilidae family is composed by flies displaying different alimentary habits. The
most studied species a re associated with yeasts that develop during decomposition of plant
substrates such as cacti, flowers and ...