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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 ...
A melhora da consolidação da memória induzida por espermidina envolve a ativação da via PI3K/AKT
(Universidade Federal de Santa Maria, 2020-10-28)
Memory consolidation is a process that depends on specific brain structures, such as the hippocampus, synthesis of new proteins, activation of protein kinases and neurotrophins, such as the brain-derived neurotrophic factor ...
Fenótipos envolvidos em comorbidades associadas às crises convulsivas: abordagens experimentais utilizando o peixe-zebra como organismo modelo
(Universidade Federal de Santa Maria, 2021-02-26)
Epilepsy is a neurological disease characterized by recurrent seizures that affects the cerebral homeostasis. This disease can generate negative consequences for the patient, such as behavioral and cognitive changes. ...
Ontogênese da antera, microsporogênese e microgametogênese de Dyckia strehliana H. Büneker & R. Pontes (bromeliaceae)
(Universidade Federal de Santa Maria, 2021-03-26)
Many species of angiosperms are considered rheophytes, that is, they develop in the
banks of streams and fast-flowing rivers and are subject to the action of frequent floods,
as is the case of Dyckia strehliana ...
O papel das florestas preservadas contra os efeitos dos agrotóxicos e da radiação solar ultravioleta em girinos e o potencial de pequenas propriedades rurais na redução de impactos
(Universidade Federal de Santa Maria, 2020-03-02)
Amphibians are the most threatened group of vertebrates on the planet, declines have already been
observed in natural populations in various regions of the globe. Several hypotheses have been
proposed to elucidate this, ...
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, ...
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 ...
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 ...