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Estimation of soft bottom intertidal bivalve stocks on the south-west coast of New Caledonia

Published online by Cambridge University Press:  15 April 1992

Jérôme Baron  and
Jacques Clavie
Jérôme Baron
Affiliation:
ORSTOM, Centre de Nouméa, BP A5, Nouméa, New Caledonia
Jacques Clavie
Affiliation:
ORSTOM, Centre de Nouméa, BP A5, Nouméa, New Caledonia
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Abstract

Different random samplings were used to assess the biomass of intertidal bivalves on two main biotopes of the south west coast of New Caledonia. Over the 46.5 km line of sandy beach, the total bivalve biomass is 4.3 ± 1.8 t and the mean biomass of Atactodea striata is about 3.2 ± 1.2 t. Over the 9.85 km2 sandy-muddy shore of the study area, bivalve stocks (1.050 ± 392 t) are dominated by Gafrarium tumidum and Anadara scapha; their mean biomasses are respectively 270 ± 132 t and 418 ± 308 t. This resource is expected to meet the demand of the domestic market through an artisanal fishery.

Keywords

Bivalve, PacificNew Caledonialagoonsoft bottomstockbiomassBivalvePacifiqueNouvelle-Calédonielagonsubstrat meublestockbiomasse
Type
Research Article
Information
Aquatic Living Resources , Volume 5 , Issue 2 , April 1992 , pp. 99 - 105
Copyright
© IFREMER-Gauthier-Villars, 1992

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