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Tasa de crecimiento y contenido estomacal en una población natural de Procambarus clarkii (Crustacea: Cambaridae) de Baja California, México

Authors: Sánchez Saavedra, María del Pilar; Re Araujo, Ana Denise; Voltolina Lobina, Domenico;

Tasa de crecimiento y contenido estomacal en una población natural de Procambarus clarkii (Crustacea: Cambaridae) de Baja California, México

Abstract

Se estudió la distribución de frecuencia por tallas y se estim6 la tasa de crecimiento mensual de una población de Procambarus clarkii (Girard) de Baja California, México. de mayo a diciembre de 1982. Las tasas de incremento de longitud del cefalotórax variaron entre 0.1 y 1 cm por mes, con una predominancia de valores inferiores a 0.5 cm. En dos casos, se obtuvieron valores negativos. Los mayores porcentajes de machos 1 (maduros) se encontraron en los meses de junio y julio (78.6 y 74.1 %) y la proporción de sexos no se desvió en forma apreciable de 1:1. El material orgánico no identificado constituyó el 71 % del contenido estomacal, seguido por el material de origen vegetal (22%) y animal (7%).

Se estudió la distribución de frecuencia por tallas y se estimò la tasa de crecimiento mensual de una población de Procambarus clarkii (Girard) de Baja California, México. de mayo a diciembre de 1982. Las tasas de incremento de longitud del cefalotórax variaron entre 0.1 y 1 cm por mes, con una predominancia de valores inferiores a 0.5 cm. En dos casos, se obtuvieron valores negativos. Los mayores porcentajes de machos 1 (maduros) se encontraron en los meses de junio y julio (78.6 y 74.1 %) y la proporción de sexos no se desvió en forma apreciable de 1:1. El material orgánico no identificado constituyó el 71 % del contenido estomacal, seguido por el material de origen vegetal (22%) y animal (7%).

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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