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Contribución al conocimiento de la madurez sexual y la fecundidad del pulpo común Octopus vulgaris Cuvier, 1797 en la costa portuguesa

Authors: Carvalho, J. M. N.; Sousa Reis, C.;

Contribución al conocimiento de la madurez sexual y la fecundidad del pulpo común Octopus vulgaris Cuvier, 1797 en la costa portuguesa

Abstract

El objetivo es el estudio de la reproducción del pulpo común Octopus vulgaris Cuvier 1797 en tres localidades de la costa continental portuguesa. Los resultados demostraron un mayor registro de hembras maduras en mayo-julio y noviembre en Cascais y Santa Luzia, y en febrero y noviembre en Viana do Castelo. Hay machos maduros durante todo el año. La fecundidad de las hembras es mayor en Santa Luzia (con un promedio de 230 000 oocitos), lo que estaría asociado a las condiciones ambientales más favorables de esta localidad. En Cascais y Viana do Castelo el promedio fue de 140 000 y 120 000 oocitos, respectivamente. Estos datos podrán ser útiles para la propuesta de medidas más adecuadas para la gestión de las poblaciones de esta especie en las costas portuguesas.

The aim of the present study was to study the reproduction of the common octopus Octopus vulgaris Cuvier, 1797 at three locations on the mainland Portuguese coast. The results showed a higher occurrence of mature females in May-July and November at both Cascais and Santa Luzia, and in February and November at Viana do Castelo. Mature males were found year round. The fertility of females from Santa Luzia was higher (average of 230 000 oocytes), which could be due to this location's more favourable environmental conditions. At Cascais, the average was 140 000 oocytes, and at Viana do Castelo, 120 000. Our results could be useful in drawing up more suitable management measures for octopus Portuguese stocks.

Instituto Español de Oceanografía

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Spain
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Keywords

condiciones ambientales, Pulpo común, Pesquerías, gestión de poblaciones, fertilidad, reproducción

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selected citations
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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).
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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.
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