摘要
为了探讨桉树等人工园林大规模种植对生态环境的影响，选取滇西南的西盟县为研究区，以GIS和RS技术为平台，以NPP、土壤保持、生态盈余／赤字和生态系统服务价值四类反映生态效应功能的物质量为基础，以货币的形式测算生态环境综合效应价值量。结果表明：（1）2000-2015年15年间西盟县生态效应价值量下降了10．69亿元，其中植被NPP和土壤保持价值量增加，而生态盈余和生态系统服务价值的价值量下降，生态系统服务价值对研究区生态效应价值量的贡献最大，而植被NPP贡献最小。（2）西盟县生态效应价值量较高的区域主要集中在北部、中部林区以及东南地区，生态效应价值量最大的乡镇是中课乡，较小的乡镇是勐卡镇、力所乡。（3）从用地类型看，近15年来，天然林地的生态效应价值量最高，但是一直呈下降趋势，下降了10．02亿元，而橡胶林地的生态效应价值量增加最多，增加了4．31亿元。桉树林地、茶园、水田和旱地的生态效应价值量也逐年增加，而灌木林地、建设用地和水域的生态效应价值量逐年减少。（4）15年间对西盟县生态效应价值量贡献最大的是天然林地，占74％～81％，其次为水田和旱地，占15％～17％，其他用地类型的生态效应价值量相对较小。
To discuss the influences of such changes on the ecological environment after planting large-area eucalyptus and other artificial gardens, the thesis especially selects Ximeng County, a large-scale artificial garden and planting zone in Yunnan Province, as its research area. Taking GIS and RS technologies as its research platform, the thesis chooses four variables that reflect ecological effect and functions as its basis, including NPP, soil conservation, ecological surplus/deficit and ecological systematic service values. It then estimates the comprehensive effect values in the ecological environment through currency. The research results show： （1） The ecological effect values in Ximeng County decreased by 1.069 billion yuan in the past 15 years from 2000 to 2015, the values of vegetation NPP and soil reservation increase. However, the values of ecological surplus and ecological systematic service values decrease. Meanwhile, the contributions made by the service values of the ecological system to researching the values of the ecological effect in the research zone are biggest; however, the contributions made by vegetation NPP are the smallest; （2） The regions with high ecological effect values in Ximeng County are mainly concentrated in the northern region, central region and southeastern region. Zhongke Village has the largest ecological effect values, while Mengka Town and Lisuo Village have small ecological effect values; （3） Of all types of land, the natural forest land has the highest ecological effect values in the past 15 years, which keep decreasing and have decreased by 1.002 billion yuan. Conversely, the rubber forest land has the largest increase of ecological effect values and has increased by 431 million yuan. Meanwhile, the ecological effect values of eucalyptus land, tea garden, paddy field and dry land also increase annually. Conversely, the ecological effect values of shrub-land, construction land and water regions decrease year by year; （4） During the past 15 years, natural forest land has made the largest contribution to the ecological effect values of Ximeng County and accounts for 74%-81%. Paddy field and dry land are the second biggest contributors and account for 15%-17%. The ecological effect values of other tvoes of land are smaller.
作者
赵筱青
高翔宇
顾泽贤
普军伟
谈树成
ZHAO Xiaoqing;GAO Xiangyu;GU Zexian;PU Junwei;TAN Shucheng(School of Resource Environment and Earth Science, Yunnan University, Kunming Yunnan 650091, China;Institute of＂Belt and Road Initiative＂ Strategic, Yunnan University, Kunming Yunnan 650091, China)
出处
《生态经济》
北大核心
2018年第3期182-190,共9页
Ecological Economy
基金
国家自然科学基金项目“云南大规模桉树引种区土地生态安全时空分异及其优化配置研究”(41361020)
“第二批云岭学者培养”项目(C6153001)
关键词
生态环境综合效应
价值量
GIS
西盟县
人工园林
integrated ecological environment effects
ecological effect value
GIS
Ximeng County
artificial gardens
