Observatoire de l'environnement Nouvelle Calédonie

Il y a environ 1140 résultats pour les termes de recherche: lagon OR lagoon

Affichage des résultats: 491 à 500

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Typologie et cartographie des algueraies a sargasse / Optique vs Acoustique - Rapport n°1: Inventaire des algueraies de l'ilot Larégnère et baie St...

Ce premier rapport concerne l'inventaire floristique, principalement les algues du genre Sargassum, des algueraies concernée par le projet. Cet inventaire est utile à la typologie.

Suivi de la qualité physico-chimique de l’eau de mer aux stations St15 et St16. Campagnes de mars à octobre 2016

Cette étude fait suite à une demande de définition de "l'état de référence" de la qualité physico-chimique et des niveaux de concentration des métaux dissous des eaux dans la zone sous influence portuaire et terrigène. Ce programme de survei...

Remote High-Definition Rotating Video Enables Fast Spatial Survey of Marine Underwater Macrofauna and Habitats

Observing spatial and temporal variations of marine biodiversity from non-destructive techniques is central for understanding ecosystem resilience, and for monitoring and assessing conservation strategies, e.g. Marine Protected Areas. Observations ar...

Benthic pelagic coupling in a shallow oligotrophic ecosystem : Importance of microphytobenthos and physical forcing

In coral reef lagoons, microphytobenthos (MPB) primary production can be of the same order of magnitude as coral or macroalgal production. As they are situated in oligotrophic waters, sediments receive low amount of allochtonous nutrients, and their ...

Spatial distribution of microbial communities in the shallow submarine alkaline hydrothermal field of the Prony bay, New Caledonia

The shallow submarine hydrothermal field of the Prony Bay (New Caledonia) discharges hydrogen- and methane-rich fluids with low salinity, temperature (< 40°C) and high pH (11) produced by the serpentinization reactions of the ultramafic baseme...

Social segregation of humpback whales in contrasted coastal and oceanic breeding habitats

Maternal habitat preferences of humpback whales (Megaptera novaeangliae) are well documented from decades of coastal research but oceanic areas have received less attention. Whales breeding in New Caledonia occupy both ecosystems: a coastal reef comp...

Assessment method of the sea turtle-nesting habitat of small reef islands

The coral islets in the lagoon of New Caledonia are a major breeding and nesting site for various species. Many species reproduce and nest there, whether they are Chelonians (green turtles and loggerhead turtles), ofshore seabirds (Procellariidae: sh...

Assessment method of the sea turtle-nesting habitat of small reef islands

The coral islets in the lagoon of New Caledonia are a major breeding and nesting site for various species. Many species reproduce and nest there, whether they are Chelonians (green turtles and loggerhead turtles), ofshore seabirds (Procellariidae: sh...

Assessment method of the sea turtle-nesting habitat of small reef islands

The coral islets in the lagoon of New Caledonia are a major breeding and nesting site for various species. Many species reproduce and nest there, whether they are Chelonians (green turtles and loggerhead turtles), ofshore seabirds (Procellariidae: sh...

Suivi environnemental - Premier semestre 2016 - MILIEU MARIN

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