Observatoire de l'environnement Nouvelle Calédonie

Il y a environ 1843 résultats pour les termes de recherche: phanérogames marines OR herbier

Affichage des résultats: 1211 à 1220

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Harvesting effects on tropical invertebrate assemblages in New Caledonia

Despite the importance of invertebrate resources for Pacific coral reef islands, few studies have specifically addressed the effects of harvesting on invertebrate assemblages including targeted and non-targeted species. The impacts of recreational ha...

Foraminifera in the diet of coral reef fish from the lagoon of New Caledonia : predation, digestion, dispersion

Les foraminifères benthiques marins sont abondants et représentent une source de nourriture potentielle pour les poissons. Les études précédentes des foraminifères dans le régime alimentaire des poissons se sont appuyées sur de petits nombres...

New Caledonia Lagoon : a threatened paradise under anthropogenic pressure ?;Lagoons : habitat and species, human impacts and ecological effects

The French archipelago of New Caledonia hosts one of the three most extensive reef systems in the world and was partly added to the UNESCO World Heritage List in 2008. In the very specific context of rapidly growing land-based mining extraction and o...

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...

La lettre du Cnexo n° 1 Mars Avril 1980

Voici un an déjà le dépôt du Programme d'action à Moyen Terme que m'avaient demandé les Ministres, marquait le départ d'une réflexion intense au niveau gouvernemental sur l'océanologie. Témoignage d'un intérêt précieux pour la mise en va...

Mining in New Caledonia : environmental stakes and restoration opportunities

New Caledonia is a widely recognised marine and terrestrial biodiversity hot spot. However, this unique environment is under increasing anthropogenic pressure. Major threats are related to land cover change and include fire, urban sprawling and minin...

Evolution geochimique et exemple d'amenagement des mangroves au Senegal (Casamance)

The mangroves of Senegal are limited to the inlet of the Casamance - a river with very low discharge - and to the Sine-Saloum. The mineralogical and geochemical analysis of sediments (derived from 30 deep bore-holes) shows the thickness of the mangro...

Combining the Biocean database for deep-sea benthic data with the online Ocean Biogeographic Information System

The Biocean database was designed to collate the extremely large volume of data collected from different deep-sea ecosystem studies conducted by Ifremer's department of 'Environnement Profond' (Deep-Sea Environment). This database comes in a 6-applic...

Données économiques maritimes françaises 1998

The purpose of this book is to value the economic significance of marine-related activities in France. Each industrial, or public non-commercial, sector is characterized by key figures relating to annual turnover, value added, employment and budget. ...

Bathymay : la structure sous-marine de Mayotte révélée par l'imagerie multifaisceaux

La campagne Bathymay, effectuée en 2004 à bord du N/O Marion Dufresne 2 , a permis de réaliser le premier levé bathymétrique complet de la pente insulaire de Mayotte. L'analyse préliminaire de la morphologie révèle l'existence de nombreux can...