Southwest Pacific

The Southwest Pacific Threatened Conifer Region includes Papua New Guinea, the Solomon Islands, Vanuatu, New Caledonia, Fiji and Tonga.  The climate is generally tropical to subtropical with cyclones being a major influence. The majority of conifer species are montane with the primary centres of endemism and threatened species occurring in New Caledonia and Fiji. New Caledonia alone has 43 conifer species (in 14 genera and four families), with 13 of the 19 known Araucaria species along with the world's only known parasitic conifer (Parasitaxus usta). In contrast, the conifer flora and ecology in the Solomon Islands and Vanuatu are relatively poorly known. Currently this region has 28 globally threatened conifer species, 23 of which are endemic to New Caledonia. Threats throughout relate to mining, logging, land conversion for agriculture and fire. In New Caledonia many of the conifers, including most Araucaria species are restricted to ultramafic substrates which are rich in one of the country's major exports, nickel.

Taxa in the category - Southwest Pacific:

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Araucaria biramulata J.Buchholz

One of 13 species of Araucaria endemic to New Caledonia where it occurs on the main island of Grande Terre; threats such as mining and fire are restricting regeneration and leading to fragmentation Read full species entry >

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Araucaria humboldtensis J. Buchholz

One of 13 species of Araucaria endemic to New Caledonia where it is restricted to less than five locations. There has been a recent decline in the health of some high altitude stands. Read full species entry >

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Araucaria luxurians (Brongn. & Gris) de Laub.

One of 13 species of Araucaria endemic to New Caledonia where it occurs on the main island of Grande Terre; threats include mining, fire, erosion and urbanisation. Read full species entry >

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Araucaria montana Brongn. & Gris

One of 13 species of Araucaria endemic to New Caledonia where it occurs on the main island of Grande Terre and although widespread is under considerable threat from mining and fire. Read full species entry >

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Araucaria muelleri (Carrière) Brongn. & Gris.

One of 13 species of Araucaria endemic to New Caledonia where it has a restricted distribution and has become Endangered due to mining and fire. Read full species entry >

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Araucaria nemorosa de Laub.

One of 13 species of Araucaria endemic to southern New Caledonia where it has a very restricted distribution on the main island of Grande Terre. It is threatened by fire, mining activities and tourism. Read full species entry >

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Araucaria rulei F.Muell.

One of 13 species of Araucaria endemic to New Caledonia (Grande Terre) where it has suffered a severe decline due to nickel mining and associated activities Read full species entry >

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Araucaria schmidii de Laub.

One of 13 species of Araucaria endemic to New Caledonia. It is restricted to the highest peak in the north of the main island of Grand Terre. Read full species entry >

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