Large Vertebrates
Mostrando 1-12 de 143 artigos, teses e dissertações.
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1. Species richness and composition of snake assemblages in poorly accessible areas in the Brazilian Amazonia
Resumo: Serpentes compõem um diverso grupo de animais vertebrados terrestres pertencentes à ordem Squamata. Apesar de serem um dos grupos mais diversos do mundo, na Amazônia, as informações acerca da taxonomia e distribuição de serpentes são limitadas quando comparadas com as disponíveis para outros grupos de vertebrados. Além disso, na Amazônia e
Biota Neotrop.. Publicado em: 09/12/2019
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2. Pterodactyloid pterosaur bones from Cretaceous deposits of the Antarctic Peninsula
Abstract Fossil vertebrates from Antarctica are considerably rare, hampering our understanding of the evolutionary history of the biota from that continent. For several austral summers, the PALEOANTAR project has been carrying out fieldwork in the Antarctic Peninsula in search for fossils, particularly Cretaceous vertebrates. Among the specimens recovered so
An. Acad. Bras. Ciênc.. Publicado em: 02/12/2019
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3. Effects of primary productivity on beta diversity of ecological communities
Resumo Objetivo Diversos fatores ecológicos afetam previsivelmente a diversidade beta - a dissimilaridade das comunidades entre locais ou através do tempo. Considerando o efeito da produtividade primária, existem divergências na literatura a respeito do tipo de relação que seria encontrada (positiva, negativa ou em formato de domo). Isto é relevante
Acta Limnol. Bras.. Publicado em: 21/10/2019
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4. Review of the family Rivulidae (Cyprinodontiformes, Aplocheiloidei) and a molecular and morphological phylogeny of the annual fish genus Austrolebias Costa 1998
ABSTRACT The family Rivulidae is the fourth most diverse clade of Neotropical fishes. Together with some genera of the related African family Nothobranchiidae, many rivulids exhibit a characteristic annual life cycle, with diapausing eggs and delayed embryonic development, which allows them to survive in the challenging seasonal ponds that they inhabit. Rivu
Neotrop. ichthyol.. Publicado em: 18/10/2018
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5. Intra annual seed production and availability of two morphotypes of Brosimum rubescens taubert in forests of the Colombian Amazon
We assessed the reproductive phenology, production, and availability of seeds for two morphotypes of Brosimum rubescens Taub. (Moraceae), locally known as black palosangre (BP) and white palosangre (WP) during an annual cycle in a 20-ha mega plot located in a primary forest at the El Zafire Biological Station, in the Colombian Amazon. We found that 87% and 4
Biota Neotrop.. Publicado em: 2014
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6. Genética aplicada à ecologia de estradas: um estudo na estrada municipal Guilherme Scatena (São Carlos, SP) e potencial impacto na biodiversidade local.
Roads generate a large ecological impact to wildlife by raising barriers among ranges of species originally continuous and for causing road-kills. After road-killing, a morphological identification becomes impossible for the loss of diagnostic features, especially in the case of small vertebrates. Use of molecular tools for identification is an alternative t
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 25/04/2012
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7. Análise espacial da distribuição da fauna de vertebrados de médio e grande porte frente a dois padrões de desmatamento típicos da floresta Amazônica, na região de Alta Floresta - MT / Spatial analysis of midsized and large-bodied vertebrates according to two typical deforestation patterns of the Amazon forest in Alta Floresta region - MT State
A Amazônia Brasileira possui diversos tipos de padrão de desmatamento, variando do típico padrão \"espinha-de-peixe\", comum em pequenas propriedades, para grandes áreas desmatadas (padrão grandes propriedades), resultando em paisagens com diferentes estruturas, configuração e nível de perturbação. A teoria sugere que uma perda desproporcional de
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 25/08/2011
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8. Hábito alimentar da rã invasora Lithobates catesbeianus (Shaw, 1802) e sua relação com anuros nativos na Zona da Mata de Minas Gerais, Brasil / Feeding habits of the invasive frog Lithobates catesbeianus (Shaw, 1802) and its relationship with native anurans in the Zona da Mata of Minas Gerais state, Brazil
The American Bullfrog (Lithobates catesbeianus) was introduced into several countries for commercial breeding, settling invasive populations during this process. In Brazil the beginning of its farming occurred on the 1930 s, and currently invasive populations can be found in the South, Southeast and Central-West regions. It has a generalist feeding habit, an
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 09/04/2010
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9. Dinâmica populacional e efeitos de variáveis ambientais sobre a fauna de pequenos mamíferos em um fragmento de floresta com araucária no sul do Brasil
Natural populations of small rodents fluctuate continually over time and the population dynamics of any living organism are shaped by both intrinsic and extrinsic factors. Small mammals populations can show a continuum dynamic activity, ranging from stability to regular cycles of variable amplitude. The species dynamics is also known to be influenced by the
Publicado em: 2010
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10. Hábito alimentar da rã invasora Lithobates catesbeianus (Shaw, 1802) e sua relação com anuros nativos na Zona da Mata de Minas Gerais, Brasil / Feeding habits of the invasive frog Lithobates catesbeianus (Shaw, 1802) and its relationship with native anurans in the Zona da Mata of Minas Gerais state, Brazil
The American Bullfrog (Lithobates catesbeianus) was introduced into several countries for commercial breeding, settling invasive populations during this process. In Brazil the beginning of its farming occurred on the 1930 s, and currently invasive populations can be found in the South, Southeast and Central-West regions. It has a generalist feeding habit, an
Publicado em: 2010
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11. Análise comparativa da dieta de quatro espécies de cucos (Aves: Cuculidae), no sul do Brasil
We studied stomachs contents of 50 specimens of four common cuckoo species (Cuculidae) from southern Brazil: Guira guira (Gmelin, 1788) (n = 21), Coccyzus melacoryphus (Vieillot, 1817) (n = 8), Crotophaga ani (Linnaeus, 1758) (n = 11), and Piaya cayana (Linnaeus, 1766) (n = 10). We measured stomach volume and prey were identified and quantified based in thei
Zoologia (Curitiba). Publicado em: 2009-09
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12. Structural and metabolic reorganization of the gut during the fasting and seasonal dormancy in tegu lizards Tupinambis merianae / Reorganização estrutural e metabólica do intestino associada ao jejum e dormência sazonal em lagartos teiú Tupinambis merianae
The gut phenotypic plasticity is widely documented in the vertebrates and would allow to either short term or anticipatory adjustments in the organ functional capacity, to cope with unpredictable and periodic changes of food availability in the environment. This study investigates seasonal changes of morphology and in the capacity for substrate oxidation in
Publicado em: 2009