Observatoire de l'environnement Nouvelle Calédonie

Il y a environ 394 résultats pour les termes de recherche: rat OR Rattus rattus

Affichage des résultats: 111 à 120

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Systematics and evolution of New Caledonian Araucaria

Ce rapport de thèse étudie la systématique et la phylogénie du genre Araucaria en Nouvelle-Calédonie. 238 pages.thèse sur la systématique et l'évolution des résineux du genre Araucaria en Nouvelle-Calédonie

Annexe 14 - Rapport annuel 2018 concernant l’activité minière - Centre minier de Goro - Incidence des activités minières sur l’occupation des ...

Le présent document constitue l'annexe 14 du [Rapport annuel 2018 concernant l'activité minière - Centre minier de Goro - Incidence des activités minières sur l'occupation des sols, l'environnement et les eaux superficielles et souterraines](/cd...

Les ilots

Nombre d'ilots en province Sud : environ 140 Les îlots, véritables sanctuaires Certains îlots bénéficient d'une protection naturelle contre les pressions issues des activités humaines (industrie minière, agriculture, tourisme, etc.) en raiso...

Effect of the association of cattle and rusa deer Cervus timorensis russa on populations of cattle ticks (Boophilus microplus)

The wild population of rusa deer (Cervus timorensis russa) in New Caledonia (South Pacific) is nearly as large as the cattle population. The cattle tick is widespread and occurs all year round. Opinions are divided on the role of deer in the biologic...

Sedimentation of particulate matter in the south-west lagoon of New Caledonia : spatial and temporal patterns

Suspended and sedimented particulate materials were assessed monthly at five sites on the south-west lagoon of New Caledonia, from May 1986 to April 1987. Sedimentation of particulate matter was measured using sediment traps for 24 h. Resuspension, w...

Structure and genetic diversity of Ixora margaretae an endangered species

The dry forests of New Caledonia are an exceptional ecosystem because of their numerous endemic botanical species and their highly diversified fauna of insects, mollusks, reptiles and birds. Unfortunately, the area of the dry forests has been signifi...

Résistance de la crevette Litopenaeus stylirostris à la bactérie pathogène Vibrio penaeicida : Physiologie, immunologie et pathologie comparées d...

The New-Caledonian shrimp industry is based on the controlled reproduction of the shrimp Litopenaeus stylirostris, a species which was introduced in the 80s. The major difficulty to which the industry has been faced for 10 years is the occurrence of ...

Salinity tolerance, ontogeny of osmoregulation and zootechnical improvement in the larval rearing of the Caledonian Blue Shrimp, Litopenaeus stylirost...

The ontogeny of osmoregulationwas investigated in Litopenaeus stylirostris by studying salinity tolerance and osmoregulatory capacity. Shrimp at different larval and postlarval stages were exposed to various salinities and survival was monitored for ...

Mayotte Island: another important green turtle nesting site in the southwest Indian Ocean

Situated in the north of the Mozambique Channel, Mayotte is the easternmost island of the Comoros Archipelago. From 1998 to 2005, Grande Saziley beach was monitored daily for green turtle Chelonia mydas nesting activity. Track surveys were monitored ...

Interspecific comparison of Cd bloaccumulation in European Pectinidae (Chlamys varia and Pecten maximus)

The uptake and loss kinetics of Cd were determined in two species of scallops from the European coasts, the variegated scallop Chlamys varia and the king scallop Pecten maximus, following exposures via seawater, phytoplankton and sediment using highl...