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Nasalis larvatus ssp. orientalis

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA MAMMALIA PRIMATES CERCOPITHECIDAE

Scientific Name: Nasalis larvatus ssp. orientalis
Species Authority: Chasen, 1940
Parent Species:

Assessment Information [top]

Red List Category & Criteria: Endangered A2cd; B1ab(iii,v); C2a(i) ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Meijaard, E., Nijman, V. & Supriatna, J.
Reviewer(s): Mittermeier, R.A. & Rylands, A.B. (Primate Red List Authority)
Justification:
The subspecies is listed as Endangered as it has undergone extensive population reductions across its range, and ongoing hunting and habitat destruction continue to threaten most populations. Numbers have declined by more than 50% (but probably less that 80%) over the past 3 generations (approximately 36-40 years). Also its extent of occurrence is less than 5,000 km², its distribution is now severely fragmented, and there is a continuing decline in the number of mature individuals and in the extent and quality of its habitat. In addition, its population size is estimated to number fewer than 2,500 mature individuals, there is an observed continuing decline in the number of mature individuals, and no subpopulation contains more than 250 mature individuals.

Geographic Range [top]

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Population [top]

Population Trend: Decreasing

Habitat and Ecology [top]

Systems: Terrestrial

Citation: Meijaard, E., Nijman, V. & Supriatna, J. 2008. Nasalis larvatus ssp. orientalis. The IUCN Red List of Threatened Species. Version 2014.1. <www.iucnredlist.org>. Downloaded on 23 July 2014.
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