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Itens para a visualização no momento 151-160 of 175
Influência de barreiras geográficas na estrutura genética de populações de Aegla uruguayana Schmitt, 1942 (Crustacea, Decapoda, Anomura)
(Universidade Federal de Santa Maria, 2007-04-04)
Millions of years ago many species had their populations isolated by geographic barriers, during the formation of the drainage systems of South America Rivers. Modifications in relief lead to the actual formation of the ...
História natural de Mastigodryas bifossatus (Serpentes, Colubridae) em domínio subtropical no Brasil
(Universidade Federal de Santa Maria, 2006-03-31)
Mastigodryas bifossatus is a large snake in the Colubrinae subfamily. It s widely distributed in open areas over the entire South America. The dissection of 224 especimens of this snake, proceeding from the southern states ...
Biogeografia de morcegos (Chiroptera) em área de transição floresta-campo no sudeste da América do Sul
(Universidade Federal de Santa Maria, 2009-03-10)
The variation on the richness species in regional scales has been debated a
lot. Three of the hypotheses mot frequently discussed as determinants of regional
variability in richness species are energy, contemporary ...
Efeitos do ambiente e de características funcionais na diversidade e composição de anuros
(Universidade Federal de Santa Maria, 2022-09-14)
The species that compose the communities differ between environments, however which
characteristics and which environmental variables are associated with these changes are not
well established, especially in animals with ...
Macroinvertebrados associados à Vriesea friburgensis Mez (bromeliaceae) em floresta ribeirinha, Santa Maria, RS, Brasil
(Universidade Federal de Santa Maria, 2008-09-29)
The studies on bromeliad fauna are spread more and more, not just due importance in
the knowledge about animal diversity, but mainly thanks to the active ecological dynamics in
these systems, since their basic rules could ...
Novos registros de Pseudosuchia para o Triássico sul brasileiro e suas implicações
(Universidade Federal de Santa Maria, 2023-01-30)
The diversity of Archosauria preserved in the Triassic of Rio Grande do Sul has
increased every year, either with the discovery of new materials of already known species or
with the impact of new species. Both contribute ...
Paleobiodiversidade de vertebrados pleistocênicos da localidade Sanga dos Borba, Pântano Grande, Rio Grande do Sul
(Universidade Federal de Santa Maria, 2022-10-27)
Herein we describe a new record of Pleistocene megafauna (Mammalia and
Testudines), for the locality of Sanga dos Borba, municipality of Pântano Grande, Rio
Grande do Sul state, southern Brazil. An OSL age was performed ...
Diversidade e conservação de Aegla leach, 1820 (Crustacea, anomura) em área prioritária para preservação
(Universidade Federal de Santa Maria, 2022-09-16)
Freshwater crustaceans of the genus Aegla Leach, 1820 are important components of the fauna of rivers,
streams, lakes, and caves of several countries in South America, where they are endemic. Currently, the genus
is ...
Gnathovorax cabreirai, um dinossauro excepcionalmente bem preservado do Triássico superior do sul do Brasil
(Universidade Federal de Santa Maria, 2023-02-16)
The dinosaurs excavated in the Triassic rocks of Rio Grande do Sul are some of the oldest
worldwide, and therefore provide crucial data regarding the origin and early evolution of the group. Among
the oldest dinosaurs, ...
Ecologia de Tropidurus torquatus (Squamata: Tropiduridae) no bioma Pampa, extremo sul do Brasil
(Universidade Federal de Santa Maria, 2009-04-03)
Lizards are considered model organism in ecology, allowing the understanding of patterns and relations between organisms and environment. Tropidurus torquatus is a species with a broad distribution, with populations in ...