[1]卢周扬帆,许端阳,张绪教,等.阿拉善干旱荒漠区土地利用变化对生态系统服务的影响[J].水土保持研究,2019,26(06):296-302.
　LU Zhouyangfan,XU Duanyang,ZHANG Xujiao,et al.Impact of Land Use Change on Ecosystem Services in Arid Desert Region of Alxa[J].Research of Soil and Water Conservation,2019,26(06):296-302.
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阿拉善干旱荒漠区土地利用变化对生态系统服务的影响

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 26 期数: 2019年06期 页码: 296-302 栏目: 出版日期: 2019-10-17
Title:
Impact of Land Use Change on Ecosystem Services in Arid Desert Region of Alxa
作者:
卢周扬帆1,2, 许端阳2, 张绪教1, 赵志荣1,2, 张晓宇2
1. 中国地质大学(北京), 北京 100083;
2. 中国科学院 地理科学与资源研究所, 北京 100101
Author(s):
LU Zhouyangfan1,2, XU Duanyang2, ZHANG Xujiao1, ZHAO Zhirong1,2, ZHANG Xiaoyu2
1. China University of Geosciences, Beijing 100083, China;
2. Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
关键词:
干旱荒漠区; 生态系统服务; 土地利用变化; InVEST模型; 阿拉善
Keywords:
arid desert area; ecosystem services; land use change; InVEST model; Alxa
分类号:
F301.2;F062.2;X171
摘要:
为探析干旱荒漠区生态系统服务对土地利用变化的响应，支撑干旱荒漠区生态-经济-社会可持续发展，选择生态环境脆弱、人地关系紧张的阿拉善干旱荒漠区为典型研究区，运用ArcGIS对阿拉善2000-2015年土地利用变化进行了分析，在此基础上利用InVEST模型评估了阿拉善土地利用变化对区域生态系统服务价值的影响。结果表明：2000-2015年，阿拉善土地利用变化明显，草地、建设用地、耕地、水域面积呈增加趋势，而未利用土地和林地面积呈减少趋势。同期，研究区生态系统服务总价值从1 025.26亿元增加到1 237.70亿元，主要归因于未利用土地面积的减少和草地面积的增加；而这一变化对研究区土壤保持服务价值增加的影响尤为明显。2000-2015年，研究区分布有5个生态系统服务价值热点区域，这些区域生态服务价值的提高普遍得益于近些年生态治理工程的实施。但值得注意的是，阿拉善右旗和居延海绿洲的热点区域有缩小的趋势，在今后的生态治理过程中需要重点关注。
Abstract:
In order to explore the response of ecosystem services to land use change and support the sustainable development of ecology-economy-society in arid desert areas, land use is one of the most important driving forces leading to the change of ecosystem services. Considered the fragile eco-environment and intensive man-land relationship, we selected arid desert region of Alxa as the research region, and analyzed the dynamics of land use change from 2000 to 2015 by using ArcGIS, and assessed its impact on the change of regional Ecosystem Services Value (ESV) by using InVEST model. The results showed that the land use of Alxa had experienced a significant change from 2000 to 2015; the areas of grassland, construction land, cultivated land and water presented the increasing trend, while the areas of unused land and forest had decreased; during the same period, the total ESV in Alxa increased from 102.526 billion yuan to 123.770 billion yuan, which was mainly attributed to the decrease of unused land and the increase of grassland, and this change of land use had a particularly significant impact on the increase of soil conservation service value; from 2000 to 2015, five hot spots with ESV change were observed in Alxa, and the increase of ESV in these regions generally benefited from the implementation of ecological projects in recent years. However, the area of hot spots with ESV change in Alxa Right Banner and Juyanhai Oasis experienced the decreasing trend, and ecology recovery in these regions should be paid more attention in the future.

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备注/Memo

收稿日期:2019-01-11;改回日期:2019-02-25。
基金项目:国家重点研发计划项目（2017YFC0506704，2016YFC0501002）；国家自然科学基金（71573245）
作者简介:卢周扬帆(1993-),女,河北石家庄人,硕士,主要从事地理信息系统与遥感技术应用研究。E-mail:luzhouyf@vip.163.com
通讯作者:许端阳(1983-),男,河南洛阳人,博士,副研究员,主要从事气候变化与沙漠化、科技政策与管理等的研究。E-mail:xudy@igsnrr.ac.cn

更新日期/Last Update: 1900-01-01