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来源:百度知道 编辑:UC知道 时间:2024/06/08 05:04:28
不同类型的土地生态系统服务价值也不同,研究表明水域的单位生态价值是最高的,其次是林地。资兴市水域和林地的生态服务贡献率占到了95%以上,计算后得到资兴的生态服务价值总量8年间增加了0.29%,而GDP却增加了2.36倍,由此可见生态服务价值并没随经济的快速发展而快速地增加。其中,林地和水域面积增加了,生态服务价值也相应增加;耕地面积减少得较多,致使其生态服务价值大幅下降,但由于其面积比重小,对生态服务总值影响不大。
资兴市近年发展得非常快,土地的变化速度也在加快,如何更好的规划好土地,并保护好生态环境,使土地的生态服务价值能和社会经济同步地快速发展,是资兴市未来土地规划的重要方向。
All land is the carrier of terrestrial ecosystems, human beings of any economic and social activities can not be separated from the land. Changes in land-use types, the value of ecosystem services also change. Zixing this article with land-use types of data, analysis of the status quo of land use in Zixing, so the statistics in 1997 -2005 the number of various types of land and changes in the volume; again thank Heights and others through the development of ecosystem services in China the value of equivalent factor table, combined with the specific situation in Zixing Zixing land-use types per unit area value of ecosystem services table, calculated in Zixing a variety of land types of the ecological service value and total value of ecosystem services, as well as land type the value of ecosystem services to the extent of the contribution, combined with the GDP data, analysis of economic development on the impact of land use and land-use change on the value of ecosystem services, and