Observatoire de l'environnement Nouvelle Calédonie

Il y a environ 2304 résultats pour les termes de recherche: ~riviere OR creek OR eau douce

Affichage des résultats: 801 à 810

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Seabirds supply nitrogen to reefbuilding corals on remote Pacific islets

Seabirds concentrate nutrients from large marine areas on their nesting islands playing an important ecological role in nutrient transfer between marine and terrestrial ecosystems. Here we investigate the role of guano on corals reefs across scales b...

Updating the phylogenetic dating of New Caledonian biodiversity with a meta-analysis of the available evidence

For a long time, New Caledonia was considered a continental island, a fragment of Gondwana harbouring old clades that originated by vicariance and so were thought to be locally ancient. Recent molecular phylogenetic studies dating diversification and...

New Caledonian Piliocalyx transferred to Syzygium (Myrtaceae) with an updated conspectus of the species

Members of Piliocalyx Brongn. and Gris (Myrtaceae) from New Caledonia are transferred to, or given new names in, Syzygium Gaertn., including : Syzygium baudouinii (Brongn. and Gris) N. Snow, Byng and J.W. Dawson, Syzygium bullatum (Brongn. and Gris) ...

Research on citrus fruit varieties

Citrus-fruit farming only developed recently in New Caledonia. Although the Tristeza virus was accidentally introduced from Australia at the beginning of the 1960s, the island benefits from a relatively favourable phytosanitary situation (I.e, no Gre...

Germination of two provenances of Santalum austrocaledonicum var. austrocaledonicum

During the germination phase of a #Santalum austrocaledonicum# progeny trial, important and unexpected differences occurred in the germination rates between two provenances. The "Ile des Pins" provenance conformed with expectations, previous experime...

Diagnosis of amitraz resistance in Boophilus microplus in New Caledonia with the modified Larval Packet Test

The tick Boophilus microplus represents a serious pathological constraint to livestock production in New Caledonia. Cattle ticks are controlled by chemical application of two acaricides that are currently used in New Caledonia; deltamethrin is used a...

Effect of ingestion by Drepanoptila holosericea (Columbidae) on the seed germination of Santalum austrocaledonicum (Santalaceae)

Santalum austrocaledonicum Vieill. (Santalaceae) is a small tree endemic to New Caledonia and Vanuatu, well-known for the highly priced aromatic oil of its heartwood (Nasi & Ehrhart 1996). In New Caledonia, sandalwood grows on Loyalty Islands, the Is...

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...

Diversity in family farming: Theoretical and empirical approaches to its many forms

The transformations occurring in family-based agricultural structures are raising questions in the academic and political worlds. The questions being asked span the history of agricultural representations over the last century. The ways of perceiving...

A mass stranding of seven Longman's beaked whales (Indopacetus pacificus) in New Caledonia, South Pacific

Seven Longman's beaked whales (Indopacetus pacificus) stranded together in southern New Caledonia on 16 November 2013 (one adult male, two adult females, two subadult females, one calf, and one unknown). At this time, we have no evidence to suggest t...