Principaux aspects de la dynamique d'une population d'Ophiura texturata en Baie de Douarnenez
| Type | Communication avec actes | ||||||||
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| Date | 1979-09 | ||||||||
| Langue(s) | Français | ||||||||
| Auteur(s) | Guillou J., Robert Rene |
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| Conférence | European colloquium on Echinoderms | ||||||||
| Source | Proceedings of the European colloquium on Echinoderms, Brussels, 3-8 september 1979 | ||||||||
| Résumé en anglais | Sampling of Ophiura texturata was carried out during a two year cycle . Demographic structure is obtained using biometric method. The main parameter s of the population are computed . Plurimodal year classes are followed, and the periods of spawning and recruitment are defined . Bathymetric distribution taking into account the seasonal fluctuation is exposed. Segregation of the year classes and cohorts, and variations of their densities are demonstrated. | ||||||||
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