Buscar
Itens para a visualização no momento 11-20 of 30
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 ...
Uma análise de evidências totais dos morcegos loncofilideos nectarívoros (Lonchophyllinae: Phyllostomidae), comparando dados morfológicos, moleculares e morfométricos.
(Universidade Federal de Santa Maria, 2021-08-20)
Lonchophyllinae is a subfamily of phyllostomid bats encompassing four genera and 20
species. Although it is one of the two nectar-feeding bats subfamilies, it is a poorly studied
group, especially regarding its evolutive ...
Biogeografia e conservação dos morcegos do gênero Rhynchonycteris: integrando filogenética molecular e modelagem de nicho ecológico
(Universidade Federal de Santa Maria, 2021-10-05)
Rhynchonycteris is a monotypic genus of Embalonurid bats, whose geographic distribution
extends from southern Mexico to tropical regions of the South American continent, including
Trinidad and Tobago. To date, no study ...
Fatores associados à diversidade beta de interações entre plantas e beija-flores na Mata Atlântica
(Universidade Federal de Santa Maria, 2021-09-29)
The composition of species in communities can vary in space and along geographic and environmental gradients. These changes in species composition can affect the interactions between organisms, which may vary according to ...
Padrões de diversidade beta em comunidades de girinos (Amphibia: Anura) nos Campos Sulinos
(Universidade Federal de Santa Maria, 2020-02-27)
Studies investigating variation between communities are useful to understand the deterministic
and stochastic processes that shape the spatial and temporal communities’ distribution, mainly
using approaches that assess ...
Causas da distribuição de aves da Amazônia: uma questão da escala taxonômica
(Universidade Federal de Santa Maria, 2020-02-27)
One of the main questions in biogeography is the role of cladogenesis across barriers vs. ecological specialization on species distribution. In Amazonia, rivers have long been hypothesized to limit species dispersal and ...
Ecologia populacional de Talitroides topitotum (Burt 1934) (Crustacea, Amphipoda, Talitridae) na região central do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2022-03-16)
Talitroides topitotum is a terrestrial talitrid belonging to the order Amphipoda, which lives in the forest leaf litter, measuring between five and 15 mm. Its occurrence, distribution, and density in the terrestrial ...