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Registros recuperados: 3
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Density and niche segregation of two armadillo species (Xenarthra: Dasypodidae) in the Vale Natural Reserve, Brazil. Repositório Alice
FERREGUETTI, A. C.; TOMAS, W. M.; BERGALLO, H. G..
We provide the first estimates of density and population size of two sympatric species of armadillos (Euphractus sexcinctus and Dasypus novemcinctus) for the Vale Natural Reserve, evaluating how poaching would be affecting their habitat use (i.e. detectability and occupancy probability) and also describing their activity patterns. Abundance and density were estimated using a distance sampling technique. Occupancy, detectability, and activity patterns were assessed using camera-trapping during a one-year period. Estimated population densities were 0.06 individuals per hectare (ind/ha) and 0.05 ind/ha for D. novemcinctus and E. sexcinctus, espectively. Occupancy probability of both species was affected by the distance to forest edge. D. novemcinctus showed a...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Atlantic Forest; Dasypus novemcinctus; Euphractus sexcinctus; Dinamica populacional; Population distribuition; Species dispersal; Camera trapping.
Ano: 2016 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1065284
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Population density, activity pattern and habitat use of the ocelot Leopardus pardalis in an Atlantic Forest protected area, Southeastern Brazil. Repositório Alice
WOLFF, N. M.; BERGALLO, H. G.; FERREGUETTI, A. C.; TOMAS, W. M..
The ocelot Leopardus pardalis (Linnaeus, 1758) is a nocturnal opportunistic felid that has a wide geographic distribution in almost every American continent. Although this species is classified as Least Concern, its populations have been declining as a direct consequence of the destruction of their habitats. Information on the density, occupancy and factors influencing habitat use of ocelots is of great importance for the establishment of action plans aimed for conservation. We studied ocelots in a protected area of the Atlantic Forest, Vale Natural Reserve, state of Espírito Santo, Brazil. We estimated density, characterized activity patterns, and evaluated how habitat use was influenced by six covariates. Estimated density (MeanSE; 45.845.45 ocelots per...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Animal Selvagem; Jaguatirica; Comportamento Animal.; Leopardus pardalis; Animal behavior.; Wild animals.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1119552
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Using activity and occupancy to evaluate niche partitioning: the case of two peccary species in the Atlantic Rainforest, Brazil. Repositório Alice
FERREGUETTI, A. C.; DAVIS, C. L.; TOMAS, W. M.; BERGALLO, H. G..
Collared and white-lipped peccaries (Pecari tajacu and Tayassu pecari, respectively) are widely distributed, herd-forming ungulates that are sympatric in a variety of Neotropical ecosystems. Patterns of co-occurrence and niche partitioning are still poorly understood in sympatric peccary populations in the Atlantic Forest. We aimed to test the hypothesis that the collared and white-lipped peccary avoided each other by some degree of niche partitioning in the Vale Natural Reserve, Espírito Santo state, southeastern Brazil. Species-specific occupancy, detection, and activity patterns were estimated from camera-trap data collected at 39 sample sites over a 1-year period. We found that both peccary species respond to similar habitat covariates (palm density,...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Camera trap; Pecari tajacu; Tayassu pecari; Tropical coastal forest; Endangered species; Ungulates.
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1111942
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