Observatoire de l'environnement Nouvelle Calédonie

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

Affichage des résultats: 81 à 90

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Unexpected high vulnerability of functions in wilderness areas : evidence from coral reef fishes

High species richness is thought to support the delivery of multiple ecosystem functions and services under changing environments. Yet, some species might performunique functional roles while others are redundant. Thus, the benefits of high species r...

Responses of two scleractinian corals to cobalt pollution and ocean acidification

The effects of ocean acidification alone or in combination with warming on coral metabolism have been extensively investigated, whereas none of these studies consider that most coral reefs near shore are already impacted by other natural anthropogeni...

Localised and limited impact of a dredging operation on coral cover in the northwestern lagoon of New Caledonia

We report here an interannual survey (2006-2012) of coral cover in the northwestern lagoon of New Caledonia, to assess the impact of an important dredging operation (August 2008-February 2010) associated with the construction of the largest nickel mi...

Designing indicators for assessing the effects of marine protected areas on coral reef ecosystems: A multidisciplinary standpoint

The present paper aims at identifying and assessing indicators of the effects of Marine Protected Areas (MPAs) in coral reef regions, based on a bibliography review in ecology, economics and social sciences. First the various effects Studied within e...

Diazotrophs : a non-negligible source of nitrogen for the tropical coral Stylophora pistillata

Corals aremixotrophs: they are able to fix inorganic carbon through the activity of their symbiotic dinoflagellates and to gain nitrogen from predation on plankton and uptake of dissolved organic and inorganic nutrients. They also live in close assoc...

Sustainability of exploited marine ecosystems through protected areas : a viability model and a coral reef case study

RESSOURCES HALIEUTIQUES;STOCK;DYNAMIQUE DE POPULATION;MODELE;GESTION DES PECHES;ANALYSE DE VARIANCE;ETUDE DE CAS;AIRE MARINE PROTEGEE

Black corals (Antipatharia) of New Caledonia;Compendium of marine species from New Caledonia : second edition

CORAIL;INVERTEBRE AQUATIQUE;INVENTAIRE FAUNISTIQUE;DIVERSITE SPECIFIQUE;ARCHIPEL

Oxygen isotope systematics in Diploastrea heliopora : new coral archive of tropical paleoclimate

CORAIL;PALEOCLIMAT;EL NINO;TEMPERATURE DE SURFACE;SALINITE;ANALYSE ISOTOPIQUE;OXYGENE;CARBONE;VARIATION INTERANNUELLE;CHANGEMENT CLIMATIQUE

Major coral reef fish species of the South Pacific with basic information on their biology and ecology

POISSON MARIN;INVENTAIRE FAUNISTIQUE;RECIF CORALLIEN;ILE;ABONDANCE;BIOMASSE;DIVERSITE SPECIFIQUE;PREFERENCE TROPHIQUE;BIOGEOGRAPHIE;ESPECE ENDEMIQUE;BIOMETRIE;PROFONDEUR

Extent of mangrove nursery habitats determines the geographic distribution of a coral reef fish in a South-Pacific archipelago

Understanding the drivers of species' geographic distribution has fundamental implications for the management of biodiversity. For coral reef fishes, mangroves have long been recognized as important nursery habitats sustaining biodiversity in the Wes...