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Registros recuperados : 135 | |
17. | | CAMPOS, Z.; MUNIZ, F.; MAGNUSSON, W. E. Extension of the geographical distribution of Schneider's Dwarf Caiman, Paleosuchus trigonatus (Schneider, 1801) (Crocodylia: Alligatoridae), in the Amazon-Cerrado transition, Brazil. Check List, v. 13, n. 4, p. 91-94. Biblioteca(s): Embrapa Pantanal. |
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Registros recuperados : 135 | |
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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. |
Data corrente: |
02/12/2024 |
Data da última atualização: |
03/12/2024 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 3 |
Autoria: |
CAMPOS, Z.; MAGNUSSON, W. E.; MOURAO, G. |
Afiliação: |
ZILCA MARIA DA SILVA CAMPOS, CPAP; WILLIAM E. MAGNUSSON, INSTITUTO NACIONAL DE PESQUISAS DA AMAZÔNIA; GUILHERME DE MIRANDA MOURAO, CPAP. |
Título: |
Reproduction and displacements of known-age caimans Caiman yacare in the Pantanal of Brazil |
Ano de publicação: |
2024 |
Fonte/Imprenta: |
The Herpetological Bulletin, n.170, p. 7-13, 2024. |
DOI: |
https://doi.org/10.33256/hb170.713 |
Idioma: |
Inglês |
Conteúdo: |
We recaptured 26 female and 24 male Pantanal caimans Caiman yacare of known-age up to 36 years after marking. The relationship between clutch size and age for known-age females was highly variable although one female captured multiple times between 18 and 26 years of age showed little variation in clutch size. Captured known-age females attending nests varied from 73 cm to 89 cm snout-vent length and from 9 to 36 years old. These females continued to grow long after their first capture, so cessation of growth does not appear to be related to reproduction. Most known-age animals were recaptured within 10 km of where they hatched, but usually on a different ranch, so ranches cannot be used as autonomous management units. Our data indicate that the ratio of snout-vent length (SVL) at first reproduction (73 cm) to mean asymptotic SVL reported for this species (85.7 cm SVL) is much higher in female Pantanal caimans (0.85) than has been reported for most other reptiles (0.7). |
Thesagro: |
Jacaré; Reprodução Animal; Tamanho. |
Thesaurus NAL: |
Animal reproduction; Caiman yacare. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
Marc: |
LEADER 01635naa a2200217 a 4500 001 2169920 005 2024-12-03 008 2024 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.33256/hb170.713$2DOI 100 1 $aCAMPOS, Z. 245 $aReproduction and displacements of known-age caimans Caiman yacare in the Pantanal of Brazil$h[electronic resource] 260 $c2024 520 $aWe recaptured 26 female and 24 male Pantanal caimans Caiman yacare of known-age up to 36 years after marking. The relationship between clutch size and age for known-age females was highly variable although one female captured multiple times between 18 and 26 years of age showed little variation in clutch size. Captured known-age females attending nests varied from 73 cm to 89 cm snout-vent length and from 9 to 36 years old. These females continued to grow long after their first capture, so cessation of growth does not appear to be related to reproduction. Most known-age animals were recaptured within 10 km of where they hatched, but usually on a different ranch, so ranches cannot be used as autonomous management units. Our data indicate that the ratio of snout-vent length (SVL) at first reproduction (73 cm) to mean asymptotic SVL reported for this species (85.7 cm SVL) is much higher in female Pantanal caimans (0.85) than has been reported for most other reptiles (0.7). 650 $aAnimal reproduction 650 $aCaiman yacare 650 $aJacaré 650 $aReprodução Animal 650 $aTamanho 700 1 $aMAGNUSSON, W. E. 700 1 $aMOURAO, G. 773 $tThe Herpetological Bulletin$gn.170, p. 7-13, 2024.
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Embrapa Pantanal (CPAP) |
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