Dacrydium cornwallianum 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Pinopsida Pinales Podocarpaceae

Scientific Name: Dacrydium cornwallianum de Laub.
Dacrydium cornwalliana de Laub. [orth. error]
Taxonomic Source(s): Farjon, A. 2010. A Handbook of the World's Conifers. Koninklijke Brill, Leiden.
Taxonomic Notes: Elevated to a species in 1988 from Dacrydium nidulum var. araucarioides de Laub. (1969); no taxonomic revision since then.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2013
Date Assessed: 2011-09-09
Assessor(s): Farjon, A.
Reviewer(s): Thomas, P.

Despite the disjunct (“fragmented”) nature of the global population in four localities, there is no sign of a decline in the past or present. It seems likely that the disjunction is a result of contraction, but this must have happened long ago and it is doubtful that human activities played a role in this. There is no commercial exploitation or degradation of the habitat at present. Consequently it is assessed as Least Concern.

Previously published Red List assessments:

Geographic Range [top]

Range Description:Endemic to the island of New Guinea: scattered across the highlands of the island from the Vogelkop Peninsula to the Southern Highlands in Papua New Guinea P.N.G.).
Countries occurrence:
Indonesia (Papua); Papua New Guinea
Additional data:
Estimated area of occupancy (AOO) - km2:1350
Number of Locations:4
Lower elevation limit (metres):1450
Upper elevation limit (metres):2300
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:This species is apparently uncommon and its global population occurs in four disjunct localities as far as is known at present. There seems to be a wider occurrence in the Southern Highlands of P.N.G. but this may be an artefact of collecting effort.
Current Population Trend:Stable
Additional data:
Population severely fragmented:Yes

Habitat and Ecology [top]

Habitat and Ecology:Dominant to nearly pure stands in swamp forests and perhaps also in mossy heath forests between 1,450 and 2,300 m elevation. A photograph in Flora Malesiana ser. I, vol. 10: 366 (1988) shows a dense stand of this tree in the ecotone between montane rainforest and swamp “on black peat”.
Generation Length (years):50

Use and Trade [top]

Use and Trade: The timber of this species may be locally used for construction of traditional houses in the villages of the highland areas in western New Guinea.

Threats [top]

Major Threat(s): Although apparently rare and only known from a handful of collections and localities, this species occurs in habitat that is far removed from deforestation or other land uses detrimental to the natural vegetation. It may be more common than the few collections known seem to suggest.

Conservation Actions [top]

Conservation Actions: No conservation measures are known. This species does not appear to occur within protected areas.

Citation: Farjon, A. 2013. Dacrydium cornwallianum. The IUCN Red List of Threatened Species 2013: e.T34206A2851008. . Downloaded on 20 June 2018.
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