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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
18/06/1998 |
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Data da última atualização: |
28/03/2017 |
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Autoria: |
SILVEIRA, R. da; MAGNUSSON, W. E.; CAMPOS, Z. |
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Afiliação: |
INPA (Manaus, AM); EMBRAPA. Centro de Pesquisa Agropecuaria do Pantanal (Corumba, MS). |
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Título: |
Monitoring the distribution abundance and breeding areas of Caiman crocodilus crocodilus and Melanosuchus niger in the Anavilhanas Archipelago, Central Amazonia, Brazil. |
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Ano de publicação: |
1997 |
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Fonte/Imprenta: |
Journal of Herpetology, v.31, n.4, p.514-520, 1997. |
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Idioma: |
Inglês |
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Conteúdo: |
Caiman crocodilus crocodilus and Melanosuchus niger occur throughout of the Anavilhanas Archipelago, located in the lower Rio Negro, Central Amazonia. The observed densites of these species vary from 0 to 58 per km of shoreline and 8 per km of shoreline, respectively. Multiple regression analysis indicated that the temperature difference between the water and the air, and water depth affected the observed density of C. crocodilus during spotlight surveys in the Archipelago. Percentage illumination by the moon, cloud cover, frequency of occurrence of grass, and food availability did not significantly affect the observed density of C. crocodilus. Nine hatchling groups of M. niger that hatched in 1992 were found on islands near the north bank of the Rio Negro, and 15 of 20 hatchlings groups of C. crocodilus were found closer to the south bank, indicating a tendency for separation of nesting areas. Discriominant function analysis indicated that water depth and presence of grass were correlated with the occurrence of hatchling groups. Melanochus niger hatcgling groups occured in areas with deeper water and more grass than those of C. crocodilus. This study showed that surveying hatchling groups in the Anavilhanas Archipelago is more efficient than surveying for subadults and adults, which by itself can give false impressions about the suitability of areas for conservation of breeding populations of these species. |
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Palavras-Chave: |
Aanavilhas archipelago; Area de criacao; Breeding areas; Caiman crocodilus crocodilus; Central Amazonia; Crocodile; Distribuicao; Distribution; Monitorando; Reptile. |
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Thesagro: |
Jacaré; Réptil. |
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Thesaurus Nal: |
Brazil; Melanosuchus niger; monitoring. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02386naa a2200325 a 4500
001 1792683
005 2017-03-28
008 1997 bl --- 0-- u #d
100 1 $aSILVEIRA, R. da
245 $aMonitoring the distribution abundance and breeding areas of Caiman crocodilus crocodilus and Melanosuchus niger in the Anavilhanas Archipelago, Central Amazonia, Brazil.
260 $c1997
520 $aCaiman crocodilus crocodilus and Melanosuchus niger occur throughout of the Anavilhanas Archipelago, located in the lower Rio Negro, Central Amazonia. The observed densites of these species vary from 0 to 58 per km of shoreline and 8 per km of shoreline, respectively. Multiple regression analysis indicated that the temperature difference between the water and the air, and water depth affected the observed density of C. crocodilus during spotlight surveys in the Archipelago. Percentage illumination by the moon, cloud cover, frequency of occurrence of grass, and food availability did not significantly affect the observed density of C. crocodilus. Nine hatchling groups of M. niger that hatched in 1992 were found on islands near the north bank of the Rio Negro, and 15 of 20 hatchlings groups of C. crocodilus were found closer to the south bank, indicating a tendency for separation of nesting areas. Discriominant function analysis indicated that water depth and presence of grass were correlated with the occurrence of hatchling groups. Melanochus niger hatcgling groups occured in areas with deeper water and more grass than those of C. crocodilus. This study showed that surveying hatchling groups in the Anavilhanas Archipelago is more efficient than surveying for subadults and adults, which by itself can give false impressions about the suitability of areas for conservation of breeding populations of these species.
650 $aBrazil
650 $aMelanosuchus niger
650 $amonitoring
650 $aJacaré
650 $aRéptil
653 $aAanavilhas archipelago
653 $aArea de criacao
653 $aBreeding areas
653 $aCaiman crocodilus crocodilus
653 $aCentral Amazonia
653 $aCrocodile
653 $aDistribuicao
653 $aDistribution
653 $aMonitorando
653 $aReptile
700 1 $aMAGNUSSON, W. E.
700 1 $aCAMPOS, Z.
773 $tJournal of Herpetology$gv.31, n.4, p.514-520, 1997.
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Registro original: |
Embrapa Pantanal (CPAP) |
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Registro Completo
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Biblioteca(s): |
Embrapa Suínos e Aves. |
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Data corrente: |
14/11/2011 |
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Data da última atualização: |
14/11/2011 |
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Tipo da produção científica: |
Artigo de Divulgação na Mídia |
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Autoria: |
CORREA, J. C.; REBELLATTO, A.; HENTZ, P.; NICOLOSO, R. da S.; MASSOTTI, Z.; WILBERT, C. A. |
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Afiliação: |
JULIANO CORULLI CORREA, CNPSA; AGOSTINHO REBELLATTO; PAULO HENTZ; RODRIGO DA SILVEIRA NICOLOSO, CNPSA; ZEMIRO MASSOTTI; CASSIO ANDRE WILBERT, CNPSA. |
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Título: |
Potencial de uso do esterco líquido de suínos como agregador de renda ao produtor. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Suinocultura Industrial, Itu, ano 33, ed. 241, n. 4, p. 14-20, 2011. |
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Idioma: |
Português |
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Notas: |
Projeto: 01.09.01.003. |
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Palavras-Chave: |
Esterco líquido; Preservação ambiental; Sustentabilidade. |
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Thesagro: |
Dejeto; Renda. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/46546/1/potencial-de-uso-do-esterco0001.pdf
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Marc: |
LEADER 00702nam a2200229 a 4500
001 1905929
005 2011-11-14
008 2011 bl uuuu u00u1 u #d
100 1 $aCORREA, J. C.
245 $aPotencial de uso do esterco líquido de suínos como agregador de renda ao produtor.$h[electronic resource]
260 $aSuinocultura Industrial, Itu, ano 33, ed. 241, n. 4, p. 14-20$c2011
500 $aProjeto: 01.09.01.003.
650 $aDejeto
650 $aRenda
653 $aEsterco líquido
653 $aPreservação ambiental
653 $aSustentabilidade
700 1 $aREBELLATTO, A.
700 1 $aHENTZ, P.
700 1 $aNICOLOSO, R. da S.
700 1 $aMASSOTTI, Z.
700 1 $aWILBERT, C. A.
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Embrapa Suínos e Aves (CNPSA) |
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