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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
18/09/2007 |
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Data da última atualização: |
06/03/2008 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MOURÃO, G.; MEDRI, I. M. |
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Afiliação: |
Guilherme de Miranda Mourão, Embrapa Pantanal; Ísis M. Medri, UnB. |
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Título: |
Activity of a specialized insectivorous mammal (Myrmecophaga tridactyla) in the Pantanal of Brazil |
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Ano de publicação: |
2007 |
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Fonte/Imprenta: |
Separata de: Journal of Zoology, v. 271, p. 187-192, 2007. |
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Idioma: |
Inglês |
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Conteúdo: |
The purpose of this study was to correlate the activity and habitat use of a large and ecologically specialized mammal (Myrmecophaga tridactyla) with the time of day and minimum daily temperature in Brazil's Pantanal wetland. Seven giant anteaters were fitted with very high frequency (VHF) radio transmitters and monitored from March do December 2001. The animal's state of activity or rest, time and ambient temperature were recorded in different patches of the study site, which were covered by a mosaic of vegetation types and several ponds. Whenever a giant anteater was inside a forest patch, the temperature inside and outside of the patch was also recorded. The temperatures throughout the day were recorded by the meteorological station at the study site. The period of greatest activity of giant anteaters started at 18:00 h on hot days, but whenever the daily minimum temperature declined, the species' activity began earlier. Giant anteaters use predominantly forest habitats for rest and open habitats for activity. The forest patches work as a temperature buffer, because they are cooler than the matrix of open habitats during the hot hours of the day and warmer than the matrix during the cold hours. Although the giant anteater is known to be associated with open habitats, this study indicates the need of preserving forest patches for the conservation of this species. |
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Palavras-Chave: |
Activity; giant anteater; habitat use; Pantanal wetland; time of day. |
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Thesaurus Nal: |
Myrmecophaga tridactyla; temperature. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02007naa a2200217 a 4500
001 1812223
005 2008-03-06
008 2007 bl --- 0-- u #d
100 1 $aMOURÃO, G.
245 $aActivity of a specialized insectivorous mammal (Myrmecophaga tridactyla) in the Pantanal of Brazil
260 $c2007
520 $aThe purpose of this study was to correlate the activity and habitat use of a large and ecologically specialized mammal (Myrmecophaga tridactyla) with the time of day and minimum daily temperature in Brazil's Pantanal wetland. Seven giant anteaters were fitted with very high frequency (VHF) radio transmitters and monitored from March do December 2001. The animal's state of activity or rest, time and ambient temperature were recorded in different patches of the study site, which were covered by a mosaic of vegetation types and several ponds. Whenever a giant anteater was inside a forest patch, the temperature inside and outside of the patch was also recorded. The temperatures throughout the day were recorded by the meteorological station at the study site. The period of greatest activity of giant anteaters started at 18:00 h on hot days, but whenever the daily minimum temperature declined, the species' activity began earlier. Giant anteaters use predominantly forest habitats for rest and open habitats for activity. The forest patches work as a temperature buffer, because they are cooler than the matrix of open habitats during the hot hours of the day and warmer than the matrix during the cold hours. Although the giant anteater is known to be associated with open habitats, this study indicates the need of preserving forest patches for the conservation of this species.
650 $aMyrmecophaga tridactyla
650 $atemperature
653 $aActivity
653 $agiant anteater
653 $ahabitat use
653 $aPantanal wetland
653 $atime of day
700 1 $aMEDRI, I. M.
773 $tSeparata de: Journal of Zoology$gv. 271, p. 187-192, 2007.
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Registro original: |
Embrapa Pantanal (CPAP) |
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