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Biomarcadores de toxicidade em Loricariichthys anus (Valenciennes, 1835) e Geophagus brasiliensis (Quoy & Gaimard, 1824): influência de variáveis abióticas e da poluição agrícola
(Universidade Federal de Santa Maria, 2019-04-02)
Limnic environments are threatened worldwide, receiving loads of pollutants from various anthropogenic
activities. Brazil is one of the largest consumers of agrochemicals, especially pesticides.
These will eventually ...
Estratégias reprodutivas em serpentes da Tribo Tachymenini (Dipsadidae: Xenodontinae) na região subtropical do Brasil
(Universidade Federal de Santa Maria, 2019-11-25)
Thamnodynastes strigatus and Tomodon dorsatus are snake’s species of the monophyletic tribe Tachymenini widely distributed in the subtropical Brazil. Thamnodynastes strigatus is mostly arboreal with a nocturnal activity ...
Filogeografia de anfíbios anuros dos campos subtropicais do sudeste da América do Sul
(Universidade Federal de Santa Maria, 2019-08-30)
The climatic and geological events of the Neogene period and the climatic fluctuations of the
Quaternary have been pointed out as the main responsible for the diversification of the biota in open
areas of South Am erica. ...
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 ...