Baron Jérôme, Clavier Jacques, Thomassin B.A. (1993). Structure and temporal fluctuations of two interdital seagrass-bed communities in New Caledonia (SW Pacific ocean). Marine Biology, 117 (1), p. 139-144. ISSN 0025-3162.
Titre du document
Structure and temporal fluctuations of two interdital seagrass-bed communities in New Caledonia (SW Pacific ocean)
Année de publication
1993
Type de document
Article
Auteurs
Baron Jérôme, Clavier Jacques, Thomassin B.A.
Source
Marine Biology, 1993,
117 (1), p. 139-144 ISSN 0025-3162
The structure and trophic organisation of two intertidal seagrass-bed communities (Halodule uninervis and Thalassia hemprichii were examined on the South-West coast of New Caledonia (SW Pacific Ocean), from April 1989 to March 1990. Five benthic samples were collected from each side at two Mo intervals and various environmental parameters were simultaneously monitored. Animal plant biomass ratios were close to 1 at both sites. Polychaetes dominated in number of species. The suspension-feeding bivalves Gafrarium tumidum and Anadara scapha constituted the greater part of the animal biomass. The evolution of the communities over an annual cycle displayed marked structural and organisational stability, resulting mainly from the absence of distinct recruitment periods for the dominant species, no mortality during the brief low-salinity periods, and no temporal variations in the granulometry, the organic matter or the chlorophyll a contents of the sediments. (Résumé d'auteur)
Plan de classement
Synécologie [036MILMAR02]
Descripteurs
BENTHOS ; STRUCTURE DU PEUPLEMENT ; RELATION TROPHIQUE ; BIOMASSE ; ANALYSE QUANTITATIVE ; POPULATION ANIMALE ; POPULATION VEGETALE ; MOLLUSQUE MARIN
