Observatoire de l'environnement Nouvelle Calédonie

Il y a environ 1426 résultats pour les termes de recherche: changement climatique

Affichage des résultats: 511 à 520

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Determination of gender in the pearl oyster pinctada margaritifera

The pearl industry in French Polynesia is based on exploitation of natural stocks of the black-lip pearl oyster (Pinctada margaritifera); it generates an annual turnover of 90 million euros. Improvements in pearl quality need genetic studies to impro...

Etude d'un milieu gélose semi-sélectif pour la recherche de Vibrio penaecida : tests de nouvelles méthodes diagnostiques dans le cadre du programme...

Ce travail décrit la mise au point d'un milieu gélosé semi-sélectif visant à mettre en évidence les Vibrio penaecida en élevage larvaire de pénéides. Le ZoBell-Mannitol-Saccharose-Bleu de bromothymol (ZMSB) a un pH élevé, une forte teneur ...

ENSO signals in the vicinity of New Caledonia, South Western Pacific

Data collected in an area enclosing New Caledonia are analysed both for the open ocean (17 degrees S-27 degrees S, 169 degrees E-170 degrees E; 1972-1992) and for one point in its lagoon (1967-1993), in order to improve our knowledge of the regional ...

Forum sur le suivi des milieux terrestres du Sud Calédonien - un suivi, pour quoi faire ?

Forum sur le suivi des milieux terrestres du Sud Calédonien - Propos introductifs Ce document, présenté lors du forum sur les milieux terrestres, nous explique ce qu'est un suivi environnemental et à quoi il sert.

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

Overexploitation of marine resources remains a problem worldwide. Many works advocate for the use of marine reserves as a central element of future stock management in a sustainable perspective. In the present paper, we address the influence of prote...

Effects of short-term environmental disturbances on living benthic foraminifera during the Pacific oyster summer mortality in the Marennes-Oléron Bay...

Sediment cores were collected from April to August 2004 on tidal mudflats of the macrotidal Marennes-Oléron Bay (SW France), famous for the cultivation of Pacific oysters (Crassostrea gigas). The response of living (stained) benthic foraminifera to ...

Earliest Eocene (53 Ma) convergence in the Southwest Pacific; evidence from pre-obduction dikes in the ophiolite of New Caledonia.

Uncertainty about timing and location of the initiation of convergence in the western and south western Pacific greatly hinders accurate plate tectonic reconstructions of subduction systems in that area. The chemistry and age of dikes intruding mantl...

La gestion d'un lagon en mutation : acteurs, enjeux et recherche-action en Nouvelle-Calédonie (Pacifique Sud)

Cet article synthétise les résultats d'un programme de recherche interdisciplinaire effectué sur la côte nord-ouest de la province Nord de la Nouvelle-Calédonie (Pacifique sud) de 2008 à 2011. Cette région fait face aux rapides changements urb...

Animal leptospirosis in small tropical areas

Leptospirosis is the most widespread zoonosis in the world. Humans become infected through contact with the urine of carrier animals, directly or via contaminated environments. This review reports available data on animal leptospirosis in ten tropica...

Comparative ichthyotoxicity of shallow and deep water sponges of New Caledonia;International coral reef symposium : poster

We have conducted a survey of toxicity distribution with depth of common marine sponges of the Southern province of New Caledonia. Test fish #Gambusia affinis$ (#Vertebrata, Pisces$) were exposed to aqueous macerates from 30 shallow water and 30 deep...