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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pantanal. Para informações adicionais entre em contato com cpap.biblioteca@embrapa.br. |
Registro Completo
|
Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
25/09/2018 |
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Data da última atualização: |
12/03/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
MENEZES, J. F. S.; MOURAO, G. de M.; KOTLER, B. P. |
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Afiliação: |
JORGE F. S. MENEZES, Ben Gurion University, Midreshet Ben Gurion, Israel; GUILHERME DE MIRANDA MOURAO, CPAP; BURT P. KOTLER, Ben Gurion University, Midreshet Ben Gurion, Israel. |
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Título: |
Understory cover increases patch use in rodent Thrichomys fosteri. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Ethology Ecology & Evolution, v. 30, n. 3, p. 267-276, 2018. |
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DOI: |
10.1080/03949370.2017.1354921 |
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Idioma: |
Inglês |
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Conteúdo: |
Rodent anti-predator behavior has been documented in many different habitats across the world. Most studies found that rodents seek shelter in bushes. However, there is little evidence for this from the tropics, and existing evidence is ambivalent. Thus, we studied rodent anti-predator behavior in a new tropical system: the rodent Thrichomys fosteri in the Pantanal wetlands. We tested two hypotheses: (1) patch use decreases with distance to caraguatá (Bromelia balansae) bushes, as it would be expected if they were shelters; (2) canopy cover increases patch use, as it is also a form of cover. To test those hypotheses, we set eight 6 × 4 grids of patches composed of 200 mL of sand and 20.5 g of peanuts. We measured giving-up densities, the leftover food in patch, which is inversely proportional to time in habitat. We found support for hypothesis 1, but also evidence in contradiction of hypothesis 2. We suggest that open areas may be dangerous to the predators of T. fosteri, making these habitats safer than the forests for this rodent. We conclude that this tropical species adheres to global patterns, but only at microhabitat level. |
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Thesagro: |
Comportamento Animal; Ecologia Animal; Roedor. |
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Thesaurus NAL: |
Animal behavior; Animal ecology; Rodents. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 01819naa a2200229 a 4500
001 2096246
005 2019-03-12
008 2018 bl uuuu u00u1 u #d
024 7 $a10.1080/03949370.2017.1354921$2DOI
100 1 $aMENEZES, J. F. S.
245 $aUnderstory cover increases patch use in rodent Thrichomys fosteri.$h[electronic resource]
260 $c2018
520 $aRodent anti-predator behavior has been documented in many different habitats across the world. Most studies found that rodents seek shelter in bushes. However, there is little evidence for this from the tropics, and existing evidence is ambivalent. Thus, we studied rodent anti-predator behavior in a new tropical system: the rodent Thrichomys fosteri in the Pantanal wetlands. We tested two hypotheses: (1) patch use decreases with distance to caraguatá (Bromelia balansae) bushes, as it would be expected if they were shelters; (2) canopy cover increases patch use, as it is also a form of cover. To test those hypotheses, we set eight 6 × 4 grids of patches composed of 200 mL of sand and 20.5 g of peanuts. We measured giving-up densities, the leftover food in patch, which is inversely proportional to time in habitat. We found support for hypothesis 1, but also evidence in contradiction of hypothesis 2. We suggest that open areas may be dangerous to the predators of T. fosteri, making these habitats safer than the forests for this rodent. We conclude that this tropical species adheres to global patterns, but only at microhabitat level.
650 $aAnimal behavior
650 $aAnimal ecology
650 $aRodents
650 $aComportamento Animal
650 $aEcologia Animal
650 $aRoedor
700 1 $aMOURAO, G. de M.
700 1 $aKOTLER, B. P.
773 $tEthology Ecology & Evolution$gv. 30, n. 3, p. 267-276, 2018.
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