Buscar
Itens para a visualização no momento 31-40 of 62
Borboletas frugívoras (Lepidoptera: Nymphalidae) do centro oeste do Rio Grande do Sul, Brasil
(Universidade Federal de Santa Maria, 2013-03-28)
Fragmentation and habitat loss caused by human activities are the main threats to
biodiversity. In Rio Grande do Sul State (RS), mainly in the Pampa biome in Southern
State, the growing demand for production and consequent ...
Anfíbios de um brejo-de-altitude no bioma Caatinga (Serra de Maranguape, Ceará), com ênfase na biologia de uma espécie endêmica e ameaçada (Adelophryne maranguapensis, Anura, Leutherodactylidae)
(Universidade Federal de Santa Maria, 2013-11-22)
This work is distributed in five chapters that focuses the composition of amphibians in
Maranguape mountain, State of Ceara, prioritizing informations on the reproductive biology of
Adelophryne maranguapensis, an endemic ...
Anatomia, taxonomia e filogenia de Siriusgnathus niemeyerorum (Eucynodontia, Traversodontidae) do Triássico Superior sul-brasileiro
(Universidade Federal de Santa Maria, 2019-04-30)
This thesis provides information of new traversodontid cynodont taxon, Siriusgnathus niemeyerorum,
which is closely related to Exaeretodon, although the new taxonomic unit shows a unique combination
of features not present ...
Diversidade de répteis e anfíbios exóticos no Brasil: introdução, influência humana e desafios políticos
(Universidade Federal de Santa Maria, 2020-03-11)
In the global scenario of great loss of biodiversity and increase in the number of exotic species,
understanding the processes and factors associated with invasion, at different time and space
scales, allows the ...
Estrutura espacial e temporal de taxocenoses de anuros de uma área de cerrado, no Centro-Oeste do Brasil
(Universidade Federal de Santa Maria, 2013-02-25)
We investigated the potential factors structuring anuran assemblages using three approaches:
i) spatial structure of adult anurans; ii) spatial structure of tadpole assemblages, and iii)
temporal structure of reproductive ...
Estruturação da comunidade de anuros e teste da hipótese do distúrbio intermediário em campos úmidos costeiros no extremo sul do Brasil
(Universidade Federal de Santa Maria, 2016-03-24)
Environmental changes resulting from climatic conditions may limit the reproductive activity of anurans. The calling activity is an important indicator of the temporal patterns of anuran activity, which may be regulated ...
Fatores reguladores da decomposição foliar: uma abordagem sobre fragmentadores e decompositores
(Universidade Federal de Santa Maria, 2017-02-21)
According to the River Continuum Concept, in small rivers, corresponding to ~ 80% of river basins, the main energy source for the trophic chain is the material produced in riparian zones, especially leaves. This material ...
Helmintos parasitando anuros em poças ao longo de campos nativos do bioma Pampa brasileiro
(Universidade Federal de Santa Maria, 2021-08-30)
South Brazilian grasslands harbor about 80 native species of anurans associated with different
phytophysiognomies, and an important species portion is considered restricted to this ecosystem type. However,
the knowledge ...
Descrição do genoma, transcriptoma e microbioma de Stenostomum leucops (Platyhelminthes, Catenulida), com enfoque na filogenia, regeneração, plasticidade ecológica e elementos transponíveis.
(Universidade Federal de Santa Maria, 2022-01-31)
Platyhelminthes is the phylum with the highest adaptive radiation of invertebrates, and is
currently divided into five classes: Catenulide, Rhabditophora, Monogenea, Cestoda and
Trematoda. Phylogenetic analyses, using ...
Um novo espécime de loricata (Archosauria: Pseudosuchia) proveniente da sequência pinheiros-chiniquá (zona de associação de dinodontosaurus), Bacia do Paraná: descrição, taxonomia e considerações filogenéticas
(Universidade Federal de Santa Maria, 2017-05-25)
“Rauisuchia” is an important group of pseudosuchians widely distributed on the planet
during the Meso-Triassic atually except for Antarctica and Australia. This present thesis
presents the description and phylogenetic ...