Value Evaluation on the Eco-Services Function of Zanthoxylum Planispinum Var. Dingtanensi Woods in
详细信息
- 责任者：Li Weijie (Research Center of Karst Resource Environment and Development ; Guizhou Academy of Sciences ; Guiyang 550001 ; China) ; Wang Tingmei
- 刊名：Carsologica Sinica
- 出版年：2010
- 卷期：29(2)
- 关键词：生态系统 ; ecosystem ; 岩溶环境 ; karst environment ; 贵州 ; Guizhou Province
- 页码：p.152-154,161
- 图表：4 refs.
- 分类号：1800
- issnNo：ISSN1001-4810
- isbnNo：CN45-1157/P
摘要
In this paper, the eco-services function of Zanthoxylum planispinum var.dingtanensi woods in Huajiang Karst Valley are studied by means of interrelated theory and methods. The results indicate that the total annual services value of Zanthoxylum planispinum var.dingtanensi woods in Huajiang Karst Valley is up to 96.9 billion yuan RMB, including 14.1 billion yuan RMB direct value and 82.8 billion yuan RMB indirect values, indirect values is 5.87 times more than direct values. In the three indirect service items, the order of indirect value is below: soil and nutrient conservation >C fixation and O2 release >water storage, the evaluation date shows that Zanthoxylum planispinum var.dingtanensi woods ecosystem plays a significant role in the environment protection in Huajiang karst valley.