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Relations "taille-poids" chez quelques chidaires coloniaux = Relationships between size and weight in four colonial species (Cnidaria)
Migné, A.; Davoult, D. (1993). Relations "taille-poids" chez quelques chidaires coloniaux = Relationships between size and weight in four colonial species (Cnidaria). Cah. Biol. Mar. 34(1): 103-110
In: Cahiers de Biologie Marine. Station Biologique de Roscoff: Paris. ISSN 0007-9723, more
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Keyword
    Marine

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Abstract
    Highly significant relationships between size and weight (p < 0,1 %) were determined in four colonial species: Alcyonium digitatum (W = 0.397 T super(1.987), N = 53, r = 0.945), Abietinaria abietina (W = 0.023 T super(1.716), N = 111, r = 0.960), Hydrallmania falcata (W = 0.048 T super(1.526), N = 87, r = 0.947) and Sertularia cupressina (W = 0.002 T super(2.315), N = 58, r = 0.958). The aim of this study is to estimate the production of colonial species by methods normally used for solitary species. To valid this process, biomass of the most abundant species, A. digitatum, was calculated by coupling the length histogram with the weight-length relationship and compared with real data. The difference between these two values (2.30%) is very low.

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