China

The negative impacts of residential and commercial development on conifers is so severe that it has led to conifer species becoming Critically Endangered. Ironically, the very system put in place to protect biodiversty, such as national parks, can have a negative impact on biodiversity. Here the most detrimental impacts can be from the visiting public by bringing an increased risk of fire and the introduction of harmful pests and diseases. As a result of an explosive growth rates in the human population over the last 50 years there has been a steady drift of people from the city centres into urban areas. It is estimated that 60% of the Earth's population will live in urban areas by 2030. Hence these increasing population densities and mounting development pressures are causing large tracks of land in the immediate surroundings of urban areas undergoing a process of what is known as urbanisation. This phenomenon directly alters forest ecosystems by removing or fragmenting forest cover. It indirectly alters forest ecosystems by modifying hydrology, altering nutrient cycling, modifying disturbance regimes, and changing atmospheric conditions. 

<em>Tetraclinis articulata</em>, Malta

Tetraclinis articulata, Malta© M.Gardner, RBGE

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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