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Armas e sexo: dependência de condição em componentes do armamento de Hyalella bonariensis (Crustacea: Amphipoda)
(Universidade Federal de Santa Maria, 2019-02-21)
Condition dependence is when an individual's ability to develop a trait depends on the genes that will express the trait and depends on the resources the individual has accumulated. Then, higher quality individuals will ...
Morfologia pós-craniana de um novo espécime de Lestodon armatus Gervais, 1855 (Xenarthra, Mylodontidae) do quaternário do sul do Brasil
(Universidade Federal de Santa Maria, 2019-02-26)
During the Cenozoic of South America, the terrestrial sloths (Folivora) had wide adaptive irradiation that culminated in a great diversity of forms during the Pleistocene. Except for some arboreal species, most sloths were ...
Novos espécimes de Arcossauromorfos (Sauria: archosauromorpha) do Triássico inferior da América do Sul e suas implicações filogenéticas
(Universidade Federal de Santa Maria, 2019-02-28)
Archosauromorpha is defined as the clade that comprises all diapsids more closely related to the lineage of birds (Ornithodira) and crocodilians (Pseudosuchia) than with lepidosaurs. The main objective of this dissertation ...
História natural das serpentes de uma área do Pampa brasileiro
(Universidade Federal de Santa Maria, 2019-02-18)
Natural history studies of snake communities contribute both to increasing knowledge about the specific taxa biology and to elucidating interspecific relationships present in the community. Although the Brazilian Pampa ...
Revisão taxonômica e análise cladística do gênero Eupalaestrus pocock, 1901
(Universidade Federal de Santa Maria, 2019-02-20)
Theraphosidae is the largest family in terms of species richness within the Infraorder
Mygalomorphae. Combining homogeneous characters, lack of specialists and few studies, the
taxonomy of the group is in ...
A composição de teleostei e elasmobranchii no holoceno brasileiro, baía Babitonga/SC: suporte para referências ecológicas
(Universidade Federal de Santa Maria, 2019-03-28)
Small-scale fisheries contribute to food security and poverty eradication by providing food, income
and employment for millions of people. However, among some problems, the sector suffers from
declining biological resources ...
A tolerância térmica como ferramenta para avaliação da vulnerabilidade de anfíbios ao aumento da temperatura
(Universidade Federal de Santa Maria, 2019-02-27)
Climate change can have major effects on biodiversity, forcing species to adapt or generating large extinctions for those that cannot cope with the direct and indirect effects of rising temperatures. In particular, larvae ...
Encalhes de tetrápodes marinhos e sua relação com variáveis meteorológicas e oceanográficas
(Universidade Federal de Santa Maria, 2019-02-13)
Stranding is the term used to refer to an animal that is found on land and does not have the ability to return to the sea. Stranded animals are frequently seen on the beaches around Brazil and the reasons that leads to ...
Ciclo reprodutivo, maturidade sexual e longevidade de Odontophrynus americanus (Anura: Odontophrynidae) no Sul do Brasil
(Universidade Federal de Santa Maria, 2019-02-19)
Reproductive strategies of anuran amphibians (i.e. temporal strategies and reproductive cycles) are associated with the activity pattern and reproductive modes of the species and aims to increase its reproductive success. ...
Efeitos diretos da temperatura sobre as taxas de especiação não explicam o gradiente latitudinal de diversidade de pequenos mamíferos sul-americanos
(Universidade Federal de Santa Maria, 2019-02-15)
One of the central focus in ecological studies is to understand how species are distributed throughout space and the factors that govern this variation. The increase of diversity from the poles to the tropics (Latitudinal ...