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Artículo

Age, body size and growth pattern of Argenteohyla siemersi pederseni (Anura: Hylidae) in northeastern Argentina

Cajade, RodrigoIcon ; Marangoni, FedericoIcon ; Gangenova, ElenaIcon
Fecha de publicación: 01/2013
Editorial: Taylor & Francis
Revista: Journal Of Natural History
ISSN: 0022-2933
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias Biológicas

Resumen

In this study we analysed the body size, age structure, age at maturity, longevity and growth pattern of Argenteohyla siemersi pederseni in north-eastern Argentina using skeletochronological methods. Body size was sexually dimorphic; females were significantly larger and heavier than males, regardless of age. As A. s. pederseni is an explosive breeder with only one reproductive episode per year, we assumed that each Line of Arrested Growth (LAG) observed was equivalent to one period of decreasing growth, LAGs reflecting a direct estimation of individual age. The minimum number of LAGs counted was two for males and three for females, but there was no sexual difference in longevity. The von Bertalanffy's growth coefficients (K) were higher in males than in females for both size and body mass. Females had a lower growth rate than males, took longer to reach the minimum maturation size, and were older and larger at reproduction.
Palabras clave: Age , Argenteohyla Siemersi Pederseni , Body Size , Growth , Sexual Size Dimorphism , Skeletochronology
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/29348
DOI: http://dx.doi.org/10.1080/00222933.2012.743614
URL: http://www.tandfonline.com/doi/abs/10.1080/00222933.2012.743614
Colecciones
Articulos(CCT - NORDESTE)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - NORDESTE
Articulos(IBS)
Articulos de INSTITUTO DE BIOLOGIA SUBTROPICAL
Citación
Cajade, Rodrigo; Marangoni, Federico; Gangenova, Elena; Age, body size and growth pattern of Argenteohyla siemersi pederseni (Anura: Hylidae) in northeastern Argentina; Taylor & Francis; Journal Of Natural History; 47; 3-4; 1-2013; 237-251
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