|Scientific Name:||Amentotaxus hatuyenensis|
|Taxonomic Source(s):||Farjon, A. 2010. A Handbook of the World's Conifers. Koninklijke Brill, Leiden.|
|Taxonomic Notes:||This species is close to A. yunnanensis and A. poilanei and differs mainly in the colour of the stomatal bands, which are brownish not whitish. Although it was described in 1996, it is still poorly known.|
|Red List Category & Criteria:||Endangered A2c; C2a(i) ver 3.1|
|Assessor(s):||Nguyen, T.H., Phan, K.L., Nguyen, Q.H. & Thomas, P.|
|Reviewer(s):||Gardner, M. & Farjon, A.|
The assessment of Endangered is based on an estimated 50% reduction in the habitat quality due to the impacts of deforestation within its known distribution combined with a very small population of less than 250 mature individuals which is undergoing continuing decline.
|Previously published Red List assessments:|
|Range Description:||Only known from two almost adjoining localities in Ha Giang province in northern Viet Nam.|
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||The total population is estimated to be less than 250 mature individuals.|
|Current Population Trend:||Decreasing|
|Habitat and Ecology:||Occurs in primary closed evergreen tropical seasonal mixed on slopes or on top ridges of submontane forests on karst limestone formations between 1,000 and 1,500 m amsl. Other conifers that may be associated with it include Pinus fenzeliana s.l., Tsuga chinensis, Cephalotaxus mannii, Podocarpus neriifolius, Nageia fleuryi and Podocarpus pilgeri. The woodland is extremely rich in epiphytes, e.g., orchids, and includes many endemics.|
|Continuing decline in area, extent and/or quality of habitat:||Yes|
|Use and Trade:||No specific uses have been recorded.|
|Major Threat(s):||Forest fragmentation, decline of habitat due to forest fire, poor natural regeneration and longer term effects of the conversion of surrounding habitats for agricultural use are the main threats.|
|Conservation Actions:||Currently only recorded from one protected area (Bat Dai Son Nature Reserve).|
Farjon, A. 2001. World Checklist and Bibliography of Conifers. 2nd edition. The Royal Botanic Gardens, Kew.
Farjon, A. 2010. A Handbook of the World's Conifers. Koninklijke Brill, Leiden.
IUCN. 2013. IUCN Red List of Threatened Species (ver. 2013.1). Available at: http://www.iucnredlist.org. (Accessed: 12 June 2013).
Nguyen, T.H., Phan, K.L., Nguyen, D.T.L.,Thomas, P.I., Farjon, A., Averyanov, L. and Regalado Jr., J. 2004. Vietnam Conifers: Conservation Status Review 2004. Fauna & Flora International, Vietnam, Hanoi.
Nguyen Tien Hiêp and Vidal, J.E. 1996. Flore du Cambodge di Laos et du Vietnam. Muséum National D'Histoire Naturelle, Paris.
|Citation:||Nguyen, T.H., Phan, K.L., Nguyen, Q.H. & Thomas, P. 2013. Amentotaxus hatuyenensis. The IUCN Red List of Threatened Species 2013: e.T42602A2988205.Downloaded on 27 June 2017.|
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