Observatoire de l'environnement Nouvelle Calédonie

Il y a environ 834 résultats pour les termes de recherche: Black bass

Affichage des résultats: 31 à 40

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Marine birds of d'Entrecasteaux Reefs (New Caledonia, southwestern Pacific) - Diversity, abundance, trends and threats

We present the first information on waterbirds, especially breeding marine birds, from three islands of d'Entrecasteaux Reefs (Surprise, Fabre and Huon), northern New Caledonia, south western Pacific. Using different sampling and counting techniques...

Activité magmatique, tectonique et hydrothermale actuelle sur la Dorsale Est Pacifique entre17°-et 19°S(campagne NAUDUR)

The submersible-study of four segments of the East Pacific Rise between 17 degrees and 18 degrees 40'S, where the spreading rate is greater than 150 mm/a, allows us to confirm the variability of the accretion processes. The segment between 17 degrees...

The French Polynesian experience (Pearl oyster management, a manual)

French Polynesia is currently the world's largest producer of cultured black pearls with exports worth U5$150 millions annually. The activity has become of prime socioeconomic importance the archipelagos with strong support and control of the governm...

Recent innovations in cultivation of molluscs in french Polynesia

Until recently, mollusc production in French Polynesia was only based upon fishing, for local consumption of edible bivalves mainly the oyster Saccostrea cucullata and for the exportation of pearl-oyster shells. As a consequence of parasitism problem...

A taxonomic revision of the endemic New Caledonian genus Podonephelium Baill. (Sapindaceae)

The endemic New Caledonian genus Podonephelium Baill. has representatives in all of the archipelago's main vegetation types (maquis, dry forest, and humid evergreen forest) and occurs on each of its principal substrates (calcareous, ultramafic and vo...

Lacs et rivières

Surface en Nouvelle-Calédonie : 132 km² Surface en province sud : 85 km² Taux d'endémisme (insectes) : 75 % Nombre d'espèces végétales : 167 Taux d'endémisme végétal : 55 % Les milieux aquatiques terrestres, une biodiversité à découvrir...

Larval Dispersal Modeling of Pearl Oyster Pinctada margaritifera following Realistic Environmental and Biological Forcing in Ahe Atoll Lagoon

Studying the larval dispersal of bottom-dwelling species is necessary to understand their population dynamics and optimize their management. The black-lip pearl oyster (Pinctada margaritifera) is cultured extensively to produce black pearls, especial...

Chromis durvillei : une nouvelle espèce de Pomacentridae de l’île de la Réunion (France, océan Indien) et premier signalement pour l’île de C...

Following the volcanic eruption of April 2007 at Reunion Island, 12 specimens of the pomacentrid genus Chromis were collected at sea surface. One of these fishes was a C. chrysura known from the reef Island fauna. The others have enlarged eyes. Among...

Formation of new beaches from lahar deposits, Ambae volcano, Vanuatu

Lahar deposits resulting from the eruption of Ambae (Vanuatu) in 2017–2018 were transformed into black sand beaches at the discharge points of water flow paths. This occurrence represents a novel and unreported phenomenon for Ambae. This study prop...

Formation of new beaches from lahar deposits, Ambae volcano, Vanuatu

Lahar deposits resulting from the eruption of Ambae (Vanuatu) in 2017–2018 were transformed into black sand beaches at the discharge points of water flow paths. This occurrence represents a novel and unreported phenomenon for Ambae. This study prop...