Observatoire de l'environnement Nouvelle Calédonie

Il y a environ 615 résultats pour les termes de recherche: Acidification des océans

Affichage des résultats: 261 à 270

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Whales in warming water : assessing breeding habitat diversity and adaptability in Oceania's changing climate

In the context of a changing climate, understanding the environmental drivers of marine megafauna distribution is important for conservation success. The extent of humpback whale breeding habitats and the impact of temperature variation on their avai...

Dissolved organic matter influences N-2 fixation in the New Caledonian lagoon (Western Tropical South Pacific)

Specialized prokaryotes performing biological dinitrogen (N-2) fixation ("diazotrophs") provide an important source of fixed nitrogen in oligotrophic marine ecosystems such as tropical and subtropical oceans. In these waters, cyanobacterial photosynt...

Evolution technologique des DCP en Polynesie francaise

French Polynesia started it's Fish Aggregating Device programme in June 1981 with the positioning of the first buoy offshore of the main island of Tahiti. Since then, 251 structures have been installed throughout the 5 archipelagoes of this French ov...

Colonization of coastal environments by foraminifera: insight from shrimp ponds in New Caledonia (sw Pacific)

The objectives of this study were to observe foraminiferal colonization patterns and behavior in shrimp ponds in New Caledonia during a shrimp-growing (farming) cycle. Weekly collecting at 10 stations in 8 shrimp ponds yielded a total of 170 samples ...

Cross-shelf structure of coastal upwelling : a two - dimensional extension of Ekman's theory and a mechanism for inner shelf upwelling shut down

Sea-surface temperature images of the coastal upwelling regions off Northwest Africa show that the core of upwelling is sometimes located far from the coast. This has been documented in three regions that share a common feature, namely a wide and sha...

Lagoon islets as indicators of recent environmental changes in the South Pacific – The New Caledonian example

The question of the impacts of climate change and sea level rise on small islands is currently much discussed. The many thousands of Pacific islands in their different contexts (geodynamic, climatic, etc.) and the insufficient data available explain ...

Lagoon islets as indicators of recent environmental changes in the South Pacific – The New Caledonian example

The question of the impacts of climate change and sea level rise on small islands is currently much discussed. The many thousands of Pacific islands in their different contexts (geodynamic, climatic, etc.) and the insufficient data available explain ...

Lagoon islets as indicators of recent environmental changes in the South Pacific – The New Caledonian example

The question of the impacts of climate change and sea level rise on small islands is currently much discussed. The many thousands of Pacific islands in their different contexts (geodynamic, climatic, etc.) and the insufficient data available explain ...

VALE Nouvelle-Calédonie - Demande d’autorisation d’exploitation minière - Livret D – Gestion et protection des eaux superficielles et souterra...

Le présent dossier constitue le VOLET B du livret D de la demande d'autorisation d'exploitation minière du gisement de Goro par la Société Vale NC.

Suivi de la qualité écotoxicologue des eaux de la zone sud du lagon de Nouvelle-Calédonie par transplantation d’espèces bio-indicatrices. Campag...

La sixième campagne de transplantation d'organismes marins s'est déroulée de fin avril à début octobre 2015 (soit 156 jours d'immersion). Comme la campagne de 2014, celle-ci a également été réalisée par une immersion d'environ 5 mois (au l...