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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
22/02/2017 |
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Data da última atualização: |
25/07/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
FERREGUETTI, A. C.; TOMAS, W. M.; BERGALLO, H. G. |
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Afiliação: |
ATILLA COLOMBO FERREGUETTI, Rio de Janeiro State University- Department of Ecology; WALFRIDO MORAES TOMAS, CPAP; HELENA G. BERGALLO, Rio de Janeiro State University- Department of Ecology. |
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Título: |
Density and niche segregation of two armadillo species (Xenarthra: Dasypodidae) in the Vale Natural Reserve, Brazil. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Mammalian Biology, v.81, p. 138-145, 2016. |
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Idioma: |
Inglês |
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Conteúdo: |
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 positive relationship with increasing distance from the edge, whereas E. sexcinctus showed an opposite relationship. D. novemcinctus also showed higher occupancy rates in sites closer to a water resource. Additionally, occupancy and detectability of both species were negatively affected by historical poaching intensity in the reserve. Activity patterns varied between species, with D. novemcinctus being mostly nocturnal and E. sexcinctus being diurnal. We conclude that despite the two armadillo species sharing several niche dimensions, they showed spatial and temporal segregation. These differences may be an adaptation to reduce interspecific competition but may also be affected by the need to avoid poaching pressures. This study contributes to increase the knowledge and conservation of these two little-studied species. MenosWe 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 positive relationship with increasing distance from the edge, whereas E. sexcinctus showed an opposite relationship. D. novemcinctus also showed higher occupancy rates in sites closer to a water resource. Additionally, occupancy and detectability of both species were negatively affected by historical poaching intensity in the reserve. Activity patterns varied between species, with D. novemcinctus being mostly nocturnal and E. sexcinctus being diurnal. We conclude that despite the two armadillo species sharing several niche dimensions, they showed spatial and temporal segregation. These differences may be an adaptation to reduce interspecific competition but may also be affected by the need to avoid poaching pressures. This... Mostrar Tudo |
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Palavras-Chave: |
Atlantic Forest; Euphractus sexcinctus; Population distribuition. |
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Thesagro: |
Dasypus Novemcinctus; Dinamica populacional. |
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Thesaurus Nal: |
Camera trapping; Species dispersal. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/161780/1/1-s2.0-S1616504715001056-main.pdf
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Marc: |
LEADER 02297naa a2200229 a 4500
001 2065284
005 2017-07-25
008 2016 bl uuuu u00u1 u #d
100 1 $aFERREGUETTI, A. C.
245 $aDensity and niche segregation of two armadillo species (Xenarthra$bDasypodidae) in the Vale Natural Reserve, Brazil.
260 $c2016
520 $aWe 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 positive relationship with increasing distance from the edge, whereas E. sexcinctus showed an opposite relationship. D. novemcinctus also showed higher occupancy rates in sites closer to a water resource. Additionally, occupancy and detectability of both species were negatively affected by historical poaching intensity in the reserve. Activity patterns varied between species, with D. novemcinctus being mostly nocturnal and E. sexcinctus being diurnal. We conclude that despite the two armadillo species sharing several niche dimensions, they showed spatial and temporal segregation. These differences may be an adaptation to reduce interspecific competition but may also be affected by the need to avoid poaching pressures. This study contributes to increase the knowledge and conservation of these two little-studied species.
650 $aCamera trapping
650 $aSpecies dispersal
650 $aDasypus Novemcinctus
650 $aDinamica populacional
653 $aAtlantic Forest
653 $aEuphractus sexcinctus
653 $aPopulation distribuition
700 1 $aTOMAS, W. M.
700 1 $aBERGALLO, H. G.
773 $tMammalian Biology$gv.81, p. 138-145, 2016.
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Registro original: |
Embrapa Pantanal (CPAP) |
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| Registros recuperados : 11 | |
| 2. |  | FERREGUETTI, A. C.; TOMAS, W. M.; BERGALLO, H. G. Density, habitat use, and daily activity patterns of the Red-rumped Agouti (Dasyprocta leporina) in the Atlantic Forest, Brazil. Studies On Neotropical Fauna And Environment, v. 53, n. 2, p. 143-151, 2018.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
| Biblioteca(s): Embrapa Pantanal. |
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| 4. | | FERREGUETTI, A. C.; TOMAS, W. M.; BERGALLO, H. G. Density, occupancy, and activity pattern of two sympatric deer (Mazama) in the Atlantic Forest, Brazil. Journal of Mammalogy, v. 96, n. 6, p. 1245-1254, 2015.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Pantanal. |
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| 5. | | FERREGUETTI, A. C.; TOMAS, W. M.; BERGALLO, H. G. Density, occupancy, and detectability of lowland tapirs, Tapirus terrestris, in Vale Natural Reserve, southeastern Brazil. Journal of Mammalogy, v.98, n.1, p. 114-123, 2017.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Pantanal. |
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| 8. | | WOLFF, N. M.; FERREGUETTI, A. C.; TOMAS, W. M.; BERGALLO, H. G. Population density, activity pattern and habitat use of the ocelot Leopardus pardalis in an Atlantic Forest protected area, Southeastern Brazil. Hystrix, the Italian Journal of Mammalogy, v. 30, n. 2, p. 120-125, 2019.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Pantanal. |
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| 9. | | FERREGUETTI, A. C.; DAVIS, C. L.; TOMAS, W. M.; BERGALLO, H. G. Using activity and occupancy to evaluate niche partitioning: the case of two peccary species in the Atlantic Rainforest, Brazil. Hystrix, the Italian Journal of Mammalogy, v. 29, n. 2, p. 168-174, 2018.| Tipo: Artigo em Periódico Indexado |
| Biblioteca(s): Embrapa Pantanal. |
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| 11. | | ROSA C.; BACCARO, F.; CRONEMBERGER, C.; HIPÓLITO, J.; BARROS, C. F.; RODRIGUES, D. de J.; NECKEL-OLIVEIRA, S.; OVERBECK, G. E.; DRECHSLER-SANTOS, E. R.; ANJOS, M. R. dos; FERREGUETTI, A. C.; AKAMA, A.; MARTINS, M. B.; TOMAS, W. M.; SANTOS, S. A.; FERREIRA, V. L.; CUNHA, C. N. da; PENHA, J.; PINHO, J. B. de; SALIS, S. M.; DORIA, C. R. da C.; PILLAR, V. D.; PODGAISKI, L. R.; MENIN, M.; BÍGIO, N, C.; ARAGÓN, S.; MANZATTO, A. G.; VÉLEZ-MARTIN, E.; SILVA, A. C. B. L. e; IZZO, T. J.; MORTATI, A. F.; GIACOMIN, L. L.; ALMEIDA, T. E.; ANDRÉ, T.; SILVEIRA, M. A. P. de A.; SILVEIRA, A. L. P. da; MESSIAS, M. R.; MARQUES, M. C. M.; PADIAL, A. A.; MARQUES, R.; BITAR, Y. O. C.; SILVEIRA, M.; MORATO, E. F.; PAGOTTO, R. de C.; STRUSSMANN, C.; MACHADO, R. B.; AGUIAR, L. M. de S.; FERNANDES, G. W.; OKI, Y.; NOVAIS, S.; FERREIRA, G. B.; BARBOSA, F. R.; OCHOA, A. C.; MANGIONE, A. M.; GATICA, A.; CARRIZO, M. C.; RETTA, L. M.; JOFRÉ, L. E.; CASTILLO, L. L.; NEME, A. M.; RUEDA, C.; TOLEDO, J. J. de; GRELLE, C. E. V.; VALE, M. M.; VIEIRA, M. V.; CERQUEIRA, R.; HIGASHIKAWA, E. M.; MENDONÇA, F. P. de; GUERREIRO, Q. L de M.; BANHOS, A.; HERO, JEAN-MARC; KOBLITZ, R.; COLLEVATTI, R. G.; SILVEIRA, L. F.; VASCONCELOS, H. L.; VIEIRA, C. R.; COLLI, G. R.; CECHIN, S. Z.; SANTOS, T. G. dos; FONTANA, C. S.; JARENKOW, J. A.; MALABARBA, L. R.; RUEDA, M. P. R.; ARAUJO, P. A.; PALOMO, L.; ITURRE, M. C.; BERGALLO, H. G.; MAGNUSSON, W. E. The program for biodiversity research in Brazil: The role of regional networks for biodiversity knowledge, dissemination, and conservation. Anais da Academia Brasileira de Ciências, v. 93, n. 2, e20201604, 2021.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Pantanal. |
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| Registros recuperados : 11 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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