Observatoire de l'environnement Nouvelle Calédonie

Il y a environ 755 résultats pour les termes de recherche: coraux

Affichage des résultats: 161 à 170

h

h

Tracking the origins of plastic debris across the Coral Sea : a case study from the Ouvéa Island, New Caledonia

Contamination of the marine environment by human-made plastic litter is a growing and global problem. Our study attempts to explain the presence of two plastic bottles beached on the Ouvéa Island, in the southwest Pacific Ocean, with trademarks from...

Major sources of organic matter in a complex coral reef lagoon: Identification from isotopic signatures (?13C and ?15N).

Major Sources of Organic Matter in a Complex Coral Reef Lagoon: Identification from Isotopic Signatures (?13C and ?15N)

The use of a bi-metallic structure under cathodic protection in saewater favors a 3D calcareous growth imitating the coral structure

Spatial patterns and short-term changes of coral assemblages along a cross-shelf gradient in the southwestern lagoon of New Caledonia

Coral reef assemblages generally form gradients of spatial structures which are governed by a variety of interacting physical and biological processes that vary in intensity, frequency, and spatial scale. Assessing the structure of contemporary reef ...

Patterns in the trophic structure of fish populations across the SW lagoon of New Caledonia;Proceedings of the sixth international coral reef symposiu...

The cross shelf distribution of coral reef fishes according to their trophic structure is examined for 123 visual transects in the SW lagoon of New Caledonia. Abundance is maximum nearshore whereas biomass is evenly distributed across shelf. Piscivor...

Correlation between catch data from bottom longlines and fish censures in the SW lagoon of New Caledonia;Proceedings of the sixth international coral ...

On a total of 363 bottoms longline sets in the SW lagoon of New Caledonia, 45 were surveyed using visual census. Abundance and biomass estimates were derived from these censuses. These estimates were highly correlated to catch per unit effort in numb...

Coastal and coral reefs studies in New Caledonia, using SPOT images, for environment and management monitoring;Seminar on remote sensing applications ...

TELEDETECTION;OCEANOGRAPHIE;MANGROVE;LITTORAL;RECIF CORALLIEN;ENVIRONNEMENT;SATELLITE SPOT;ANALYSE D'IMAGE

The structural and thematic mapping of coral reefs using high resolution SPOT data : application to the Tétembia reef (New Caledonia)

RECIF CORALLIEN;CARTE THEMATIQUE;TELEDETECTION SPATIALE;SATELLITE SPOT;CLASSIFICATION DIRIGEE;INDICE SPECTRAL

On the first marine stigmastane sterols and sterones having a 24,25-double bond : isolation from the sponge Stelletta sp. of deep coral sea

INVERTEBRE AQUATIQUE;ANALYSE SPECTRALE;STRUCTURE CHIMIQUE;ETUDE COMPARATIVE;SUBSTANCE NATURELLE;ISOLEMENT;STIGMASTANE;DEMOSPONGE;STEROL;STERONE