Observatoire de l'environnement Nouvelle Calédonie

Il y a environ 2308 résultats pour les termes de recherche: ~riviere OR creek OR eau douce

Affichage des résultats: 531 à 540

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Environmental DNA illuminates the dark diversity of sharks

In the era of "Anthropocene defaunation," large species are often no longer detected in habitats where they formerly occurred. However, it is unclear whether this apparent missing, or "dark," diversity of megafauna results from local species extirpat...

Hydrodynamic behaviour of Nummulites: implications for depositional models

Large benthic foraminifers are considered to be good indicators of shallow marine carbonate environments in fossil series. Over the last 50 years, the palaeoenvironment of Tertiary Nummulites accumulations has been a matter of debate, particularly be...

How accessible are coral reefs to people ? A global assessment based on travel time

The depletion of natural resources has become a major issue in many parts of the world, with the most accessible resources being most at risk. In the terrestrial realm, resource depletion has classically been related to accessibility through road net...

Orama nui : a programme for an observatory of marine resources and activities in the Pacific Islands Countries

The "ORAMA NUI" programme has been developed by the Territory of French Polynesia and IFREMER, both partners in SPT since 1988. It first aims at alleviating some bottlenecks, mainly in the coastal and lagoon economic development process, by use of sa...

Observer, évaluer et suivre la biodiversité sous marine des lagons : Intérêt des techniques vidéo rotatives en haute dé:nition. Où en est-on en...

This article first draws up a balance sheet of all various implemented techniques to observe and monitor the shallow marine biodiversity. Then the article focuses on the techniques of the rotating high resolution submarine video and their implementat...

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...

Ecology and Distribution of the Malesian Podocarps;Ecology of the Podocarpaceae in Tropical Forests

Podocarp species and genus richness is higher in the Malesian region than anywhere else on earth, with maximum genus richness in New Guinea and New Caledonia and maximum species richness in New Guinea and Borneo. Members of the Podocarpaceae occur ac...

Sequential invasions by fruit flies (Diptera: Tephritidae) in Pacific and Indian Ocean islands: A systematic review

The aim of our review was to examine the cases of Tephritidae invasions across island systems in order to determine whether they follow a hierarchical mode of invasion. We reviewed the literature on factors and mechanisms driving invasion sequences i...

INVENTAIRE PISCICOLE DU BASSIN VERSANT DE LA NERA

Le Pôle Protection de la ressource en eau (PPRE) du Service de l'eau, des statistiques et études rurales (SESER) de la DAVAR Nouvelle-Calédonie dans le cadre de sa mission de Protection de la ressource en eau du Domaine Public Fluvial de la Nouvel...

Suivi environnemental - Second semestre 2013 - MILIEU MARIN

La surveillance du milieu marin faite par l'industriel Vale Nouvelle-Calédonie, s'effectue au niveau de stations sous-marines selon les prescriptions règlementaires des arrêtés d'autorisation d'exploiter (du port et de l'usine) et de la Conventio...