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      Variabilidad morfológica y crecimiento corporal de cuatro poblaciones de Crocodylus moreletii en cautiverio Translated title: Morphological variability and body growth on four populations of Crocodylus moreletii in captivity

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          Abstract

          El objetivo del trabajo fue evaluar la variabilidad morfológica y el crecimiento corporal de 4 poblaciones del cocodrilo de pantano (Crocodylus moreletii) que se encuentran en la Unidad de Manejo para la Conservación de la Vida Silvestre Cacahuatal ubicada en el estado de Veracruz, México. Se compararon 4 poblaciones: 2 poblaciones cuyos individuos nacieron en vida silvestre y 2 que nacieron en cautiverio. Los rasgos morfológicos estudiados fueron similares entre poblaciones y entre sexos. Las tasas de crecimiento corporal fueron significativamente diferentes entre poblaciones. Los individuos que nacieron en condiciones naturales crecieron más rápidamente que los nacidos en cautiverio. Se concluye que el cautiverio no parece afectar la expresión morfológica, pero sí la tasa de crecimiento corporal. Estos resultados muestran que diferentes poblaciones de C. moreletii pueden presentar un crecimiento diferencial determinado por las condiciones de cautiverio.

          Translated abstract

          The main goal of this study was to evaluate the effect of captivity upon morphological characteristics and body growth rates of the Morelet's crocodile (Crocodylus moreletii). The studied individuals are currently reared in the Management Unit for Wildlife Conservation (Cacahuatal), located at Veracruz, Mexico. Four populations were compared: individuals from 2 of them were born in wild conditions, whereas individuals from the other 2, were born in captivity. Morphology was similar among populations and between sexes. Body growth rates were significantly different among populations, those individuals born in natural conditions grew faster than those born in captivity. We conclude that captivity does not seem to affect the morphological expression of C. moreletii in comparison with a significant effect upon the rate of body growth. These results show that different populations of C. moreletii can exhibit differential body growth patterns depending on the conditions experienced in captivity.

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          ALLOMETRY AND SIZE IN ONTOGENY AND PHYLOGENY

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            Allometry and size in ontogeny and phylogeny.

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              Geometric Similarity in Allometric Growth: A Contribution to the Problem of Scaling in the Evolution of Size

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                Author and article information

                Journal
                rmbiodiv
                Revista mexicana de biodiversidad
                Rev. Mex. Biodiv.
                Instituto de Biología (México, DF, Mexico )
                1870-3453
                2007-8706
                December 2010
                : 81
                : 3
                : 713-719
                Affiliations
                [03] Salinas de Hidalgo San Luis Potosí orgnameColegio de Postgraduados orgdiv1Programa de Manejo y Administración de Vida Silvestre México
                [01] Veracruz orgnameColegio de Postgraduados orgdiv1Programa de Posgrado en Agroecosistemas Tropicales México rserna@ 123456colpos.mx
                [02] México D. F orgnameUniversidad Nacional Autónoma de México orgdiv1Facultad de Ciencias orgdiv2Departamento de Ecología y Recursos Naturales México
                Article
                S1870-34532010000300013 S1870-3453(10)08100300013
                66f88f54-197c-4ec6-8f39-69e465eb9974

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

                History
                : 19 January 2010
                : 27 May 2009
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 30, Pages: 7
                Product

                SciELO Mexico

                Categories
                Taxonomía y sistemática

                Morelet's crocodile,Management Unit for Wildlife Conservation,body growth rate,morphology,cocodrilo de pantano,Unidad de Manejo para la Conservación de la Vida Silvestre,tasas de crecimiento corporal,morfología

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