Land Resources Ecosystem Service Value Accounting of Ganzhou City Based on Geographic National Condition Information

被引：0
|
作者：
Xia S. [1 ,2 ]
Chen M. [1 ,3 ]
Liu X. [2 ,4 ]
Cai H. [1 ,3 ]
机构：
[1] College of Landscape and Art, Jiangxi Agricultural University, Nanchang
[2] Provincial Geomatics Center of Jiangxi, Nanchang
[3] Research Center on Rural Land Resources Use and Protection, Jiangxi Agricultural University, Nanchang
[4] Jiangxi Province Engineering Research Center of Surveying, Mapping and Geoinformation, Nanchang
来源：
Nongye Jixie Xuebao/Transactions of the Chinese Society for Agricultural Machinery | 2019年 / 50卷 / 06期
关键词：
Ganzhou City; Geographic national conditions information; Land resources ecosystem service value; Priority of ecological compensation;
D O I：
10.6041/j.issn.1000-1298.2019.06.020
中图分类号：
学科分类号：
摘要：
Land resources ecosystem service accounting is the internal requirement of promoting the construction of ecological civilization. Ganzhou City, located in Ganjiang upstream watershed, Jiangxi Province, is an important ecological barrier in Southern China and an important area to maintain the ecosystem health of the Poyang Lake Basin. Taking Ganzhou City as an example, the more suitable table of equivalence factor for Jiangxi area was presented, the method of value equivalent factor in unit area was used, and a service value account of land resources ecosystem was established based on the concept of broad-sense service value of land resources ecosystem. Then the land resources were divided into eight categories: farmland, forest, grassland, desert, bare land, construction land, water area and wetland, and the service value of land resources ecosystem in the form of value was calculated. The value of ecosystem services and its spatial distribution characteristics were applied to determine the priority of land ecological compensation for land resources in various counties, which provided reference for the application of geographic census data in the calculation of ecosystem services value of land resources. The results showed that compared with the conventional classification based on land use, the classification based on geographical national conditions was more refined for the land resources ecosystem services value can be more accurately calculated; in 2015, the total service value of Ganzhou land resources ecosystem was assessed at RMB 213.889 billion yuan, its order from big to small was regulating service, support service, supply service and cultural service, and the regulating service value took 70.49% of all the assets; in 2015, among all the counties, cities and districts, the county of Xunwu had the highest ecological service value per unit area, and all types of ecological service value varied in different regions. Analyzed from the spatial distribution, the ecological compensation priority in the surrounding areas of Ganzhou was relatively high, while the priority in the central areas was low. The northwestern areas had relatively high ecological compensation priority although their ecosystem service value per unit area was comparatively low. © 2019, Chinese Society of Agricultural Machinery. All right reserved.
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页码：184 / 193
页数：9
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