干旱区生态环境知识资源中心(Arid): Application of Holdridge life-zone model based on the terrain factor in Xinjiang Automous Region

Arid

	Application of Holdridge life-zone model based on the terrain factor in Xinjiang Automous Region
	Ni Yongming; Ouyang Zhiyun; Wang Xiaoke
来源期刊	Journal of Environmental Sciences
ISSN	1001-0742
出版年	2005
卷号	17 期号:6 页码:1042-1046
英文摘要	This study improved the application of the Holdridge life-zone model to simulate the distribution of desert vegetation in China which gives statistics to support eco-recovery and ecosystem reconstruction in desert area. This study classified the desert vegetation into four types：（1） LAD： little arbor desert; （2） SD： shrub desert：（3） HLHSD： half-shrub, little half-shrub desert; （4） LHSCD： little halfshrub cushion desert. Based on the classification of Xinjiang desert vegetation, the classical Holdridge life-zone model was used to simulate Xinjiang desert vegetation＇s distribution and compare the Kappa coefficient result of the model with table of accuracy represented by Kappa values. The Kappa value of the model was only 0.19, it means the simulation result was poor. To improve the life-zone model application to Xinjiang desert vegetation type, a set of plot standards for terrain factors was developed by using the plot standard as the reclassification criterion to climate sub-regime. Then the desert vegetation in Xinjiang was simulated. The average Kappa value of the second simulation to the respective climate regime was 0.45. The Kappa value of final modeling result was 0.64, which is the better value. The modification of the model made it in more application region. In the end, the model＇ s ecological relevance to the Xinjiang desert vegetation types was studied.
英文关键词	Xinjiang desert vegetation types Holdridge life-zone terrain climate regime
类型	Article
语种	英语
收录类别	CSCD
WOS研究方向	Agriculture
CSCD记录号	CSCD:2204386
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/334902
作者单位	Ni Yongming, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.; Ouyang Zhiyun, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.; Wang Xiaoke, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
推荐引用方式 GB/T 7714	Ni Yongming,Ouyang Zhiyun,Wang Xiaoke. Application of Holdridge life-zone model based on the terrain factor in Xinjiang Automous Region[J],2005,17(6):1042-1046.
APA	Ni Yongming,Ouyang Zhiyun,&Wang Xiaoke.(2005).Application of Holdridge life-zone model based on the terrain factor in Xinjiang Automous Region.Journal of Environmental Sciences,17(6),1042-1046.
MLA	Ni Yongming,et al."Application of Holdridge life-zone model based on the terrain factor in Xinjiang Automous Region".Journal of Environmental Sciences 17.6(2005):1042-1046.