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Mostrando ítems 1-10 de 14
Comportamento reprodutivo do tangará-dançarino, Chiroxiphia Caudata (aves Pipridae) em uma área de Mata Atlântica
(Universidade Federal de São Carlos, 2015-02-04)
The family Pipridae is endemic to the Neotropics, having frugivorous habits. Males of some species make complex sexual displays to attract the females, and they live in the middle stratum of tropical forests. Of 51 species, ...
Modelos de distribuição potencial em escala fina: metodologia de validação em campo e aplicação para espécies arbóreas
(Universidade Federal de São Carlos, 2015-11-11)
Some conservation actions require the knowledge of the geographical distribution of species, however, this knowledge is far from being achieved for most species. The species distribution models (SDMs) have proved a useful ...
Predadores de ninhos em uma comunidade de aves da Mata Atlântica do estado de São Paulo
(Universidade Federal de São Carlos, 2015-02-06)
The loss of nests is the main cause of failure in the birds reproduction, so predation becomes an important component in the events related to life history adaptations. An adaptation widely recognized is the smallest cluth ...
Avaliação da competição entre a espécie nativa Geophagus brasiliensis (Quoy & Gaimard, 1824) e a exótica Oreochromis niloticus (Linnaeus, 1758) confinadas em tanques em diferentes densidades
(Universidade Federal de São Carlos, 2015-06-30)
In Brazil, species introduction in freshwater ecosystems has become an important topic in conservation ecology, as it is one of the main causes of biodiversity loss. Invasive species benefiting from the lack of natural ...
Composição florística, estrutura fitossociológica e caracterização sucessional de três fragmentos florestais, na Estância Turística de Itu - SP, Brasil
(Universidade Federal de São Carlos, 2015-07-03)
The city of Itu has only 9.90% of its territory with native vegetation. Knowledge of native vegetation and biodiversity with studies of the floristic composition and phytosociological structure of the remaining forests are ...
A influência da estrutura de paisagens agrícolas nos índices de diversidade de aves
(Universidade Federal de São Carlos, 2015-10-01)
Habitat loss and fragmentation are currently the main causes of the global extinctions, caused mostly by replacing of the native vegetation by different land-uses. The graph theory supports the understanding of the landscapes, ...
Redes de interações entre aves frugívoras e plantas em uma área de Mata Atlântica no sudeste do Brasil
(Universidade Federal de São Carlos, 2015-06-03)
Interactions plants-frugivores are key components in the complexity of forest communities and their modifications or losses can have profound implications for conservation. The study of the interactions networks has proven ...
O papel da limitação de sementes e da limitação no estabelecimento no recrutamento de plantas do cerrado
(Universidade Federal de São Carlos, 2015-12-18)
Plant recruitment can be constrained by seed and establishment limitation and these processes can affect community species composition and diversity. In Neotropical savannas the relative importance of these processes for ...
Relação da estrutura da paisagem mosaico Carajás, PA com a ocorrência de Anodorlynchus hyacinthinus (arara-azul-grade)
(Universidade Federal de São Carlos, 2015-09-04)
In Brazil, there are about 6,500 individuals of Anodorhynchus hyacinthinus (Hyacinth macaw) in wild, located in three physiognomically distinct regions. The specie is demanding as to breeding habitat, and can be regarded ...
Diversidade e estrutura genética de Pilosocereus aureispinus: uma espécie de cactácea vulnerável e microendêmica
(Universidade Federal de São Carlos, 2015-06-12)
Pilosocereus aureispinus (Buining & Brederoo) F. Ritter is a narrow endemic columnar cactus of eastern Brazil, occurring at Ibotirama and Oliveira dos Brejinhos, Bahia. In this work the genetic diversity and population ...