China

The Indochina Threatened Conifer Region focuses on mainland Southeast Asia and includes Myanmar, Thailand (as far south as the Isthmus of Kra), Lao PDR, Cambodia and Việt Nam. Central physical features of this area include the Annamite Mountains that form the border between Lao PDR and Việt Nam, the Hoang Lien Mountains in northwestern Việt Nam and the extensive karst limestone areas of northern Việt Nam and the adjoining areas of China. Climates are variable depending on altitude and distance from the coast with some areas experiencing subtropical climates with distinct wet and dry seasons while others are more seasonal. Vegetation types range from subtropical evergreen forests to subalpine bogs and meadows. The conifer flora is very diverse with at least 15 genera and 35 species present. Almost one third are endemic and at least 20 are globally threatened. Notable endemic species include Pinus krempfii and Xanthocyparis vietnamensis. Several taxa are represented by small disjunct subpopulations with the main populations found in other Regions, sometimes at considerable distances. Principal threats in this region include conversion of forests for agriculture, forestry and urbanisation, overexploitation for timber, illegal logging and wildfires.

Taxa in the category - China:

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Torreya fargesii Franch.

Endemic to southern and central China where deforestation is the mian cause of threat Read full species entry >

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Torreya fargesii var. fargesii

Endemic to south and central China where the mian cause of threat is deforestation Read full species entry >

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Torreya fargesii var. yunnanensis (C.Y.Cheng & L.K. Fu) N.Kang

Endemic to southern China in NW Yunnan where it is overexploited for his highly prized wood Read full species entry >

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Torreya jackii Chun

Endemic to eastern China where it is has been in steep decline due to deforestation Read full species entry >

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Tsuga forrestii Downie

Endemic to a few mountains in SW China where it has undergone a significant population reduction in the recent past Read full species entry >

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Xanthocyparis vietnamensis Farjon & T.H.Nguyên

Described in 2002 following its discovery in the Bat Dai Son Nature Reserve in Hagiang province in northern Việt Nam in 1999. Since then it has been discovered in other provinces of the karst limestone areas of northern Việt Nam and in Guangxi, China. Selective felling is the most serious current threat due to its small population size. Read full species entry >

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