Observatoire de l'environnement Nouvelle Calédonie

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

Affichage des résultats: 181 à 190

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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

Incongruence between morphotypes and genetically delimited species in the coral genus Stylophora : phenotypic plasticity, morphological convergence, m...

CORAIL;MORPHOLOGIE;MITOCHONDRIE;PHYLOGENIE;REPARTITION GEOGRAPHIQUE;ANALYSE GENETIQUE

Preliminary identification of key coral species from New Caledonia (Southwest Pacific Ocean), their significance to reef formation, and responses to e...

The recognition of key coral species (KCS) in the geological record, i.e. those that contribute to reef formation and maintenance of coral reef ecosystems, is important for understanding the development and evolution of reef ecosystems and for foreca...

Species specificity of bacteria associated to the brown seaweeds Lobophora (Dictyotales, Phaeophyceae) and their potential for induction of rapid cora...

While reef degradation is occurring worldwide, it is not uncommon to see phase shifts from coral to macroalgal dominated reefs. Numerous studies have addressed the mechanisms by which macroalgae may outcompete corals and a few recent studies highligh...

Non-market use and non-use values for preserving ecosystem services over time: A choice experiment application to coral reef ecosystems in New Caledon...

Non-use values (i.e. economic values assigned by individuals to ecosystem goods and services unrelated to current or future uses) provide one of the most compelling incentives for the preservation of ecosystems and biodiversity. Assessing the non-use...

Impact of cross-reef water fluxes on lagoon dynamics : a simple parameterization for coral lagoon circulation model, with application to the Ouano Lag...

This manuscript presents a combined experimental and numerical study of the impact of cross-reef fluxes on coral reef lagoon dynamics. The selected field site is the Ouano Lagoon (New Caledonia Island, France) in the South Western Pacific Ocean. Meas...

Overgrowth and killing of corals by the brown alga Lobophora hederacea (Dictyotales, Phaeophyceae) on healthy reefs in New Caledonia : a new case of t...

Coral reef degradation is often associated with regime shifts from coral- to macroalgal-dominated reefs. These shifts demonstrate that under certain conditions (e.g. coral mortality, decrease in herbivory, increased nutrients supply) some macroalgae ...

Advantages of combining 210Pb and geochemical signature determinations in sediment record studies : application to coral reef lagoon environments;Envi...

SEDIMENTATION RECIFALE;RECIF CORALLIEN;RADIOELEMENT;ISOTOPE RADIOACTIF;PLOMB;METAL LOURD;FACTEUR ANTHROPIQUE;MINE;FACTEUR ABIOTIQUE;STRATIGRAPHIE;DATATION;ERREUR;ETUDE COMPARATIVE;INDICATEUR BIOLOGIQUE

The diversity of New Caledonia coral reef geomorphology and genetic processes : a synthesis from optical remote sensing, coring and acoustic multi-bea...

RECIF CORALLIEN;LAGON;GEOMORPHOLOGIE;TECTONIQUE;SUBSIDENCE;NIVEAU MARIN;FORAGE;PROSPECTION ACOUSTIQUE;TELEDETECTION;DIVERSITE SPECIFIQUE;BIODIVERSITE

Diversity of stylasterid corals (Cnidaria: Hydrozoa : Stylasteridae) in deep water habitats of New Caledonia;Compendium of marine species from New Cal...

CORAIL;INVERTEBRE AQUATIQUE;INVENTAIRE FAUNISTIQUE;DIVERSITE SPECIFIQUE;MILIEU PELAGIQUE;TAXONOMIE