LI Yimin,DUAN Yaping,JIANG Deming,et al.Study on Landscape Pattern of Land Use and Ecosystem Service Value Under Human Activities in Lanping County[J].Research of Soil and Water Conservation,2019,26(01):293-300.
人类活动条件下兰坪县土地利用景观格局及生态系统服务价值
- Title:
- Study on Landscape Pattern of Land Use and Ecosystem Service Value Under Human Activities in Lanping County
- 分类号:
- X171.1
- 摘要:
- 对土地利用景观格局的生态系统服务价值评估，有利于人们认识自然生态系统对人类福祉的重要性。基于兰坪县1996年和2015年两期遥感影像解译数据，居民点数据，采用ArcGIS技术，生态价值评估方法，分析了人类活动对土地利用景观类型变化及生态系统服务价值的影响。结果表明：随着社会经济的发展以及相关政策的出台，林地、耕地以及建设用地等土地利用景格局的变化较大；结合443个居民点以及不同气候带基础数据，得出人类活动主要集中在1 900~3 000 m的温带范围内。人类活动对土地利用景观格局的变化有着重要的影响；20年间兰坪县生态系统服务价值总量增加了44 035.19万元，其中不同生态服务功能的服务价值贡献率由大到小依次为：土壤形成与保护、气体调节、水源涵养、生物多样性保护、气候调节、原材料、废物处理、娱乐文化、食物生产；不同土地利用景观类型生态系统服务价值总量大小排序为：林地 > 耕地 > 水体 > 草地 > 建设用地 > 未利用地。
- Abstract:
- Evaluation of ecosystem services values of landscape pattern is helpful for people to understand the importance of the natural ecosystem in terms of human welfare. Based on the interpretation of remote sensing data in 1996 and 2015 as well as settlements data of Lanping County, wer analyzed the influence of human activities on landscape pattern change and ecosystem service values by ArcGIS technology and ecological value evaluation method. The results showed that:with the development of social economy and relevant policy, land landscape patterns of forestland, cultivated land and construction had changed greatly; according to the 443 settlements and the basic data of different climate zones, human activities mainly concentrated in the temperate range with the elevation of 1 900~3 000 m; human activities had the important impact on the change of landscape patterns of land uses; the total value of ecosystem service in Lanping County increased by 440.351 9 million yuan within the 20 years, among which the contribution rate of service value of different ecological service functions decreased in the order:soil formation and conservation, gas regulation, water conservation, biodiversity conservation, climate regulation, raw material, waste disposal, recreational culture, food production; the total value of ecosystem service of different land use landscape decreased in the sequence:woodland > cultivated land > water > grass > construction land > unused land.
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备注/Memo
收稿日期:2018-3-14;改回日期:2018-4-11。
基金项目:中央引导地方科技发展专项资金"地质灾害气象预警模型及预警产品表达示范研究：怒江州为示范区"；国家自然科学基金"基于3S技术的怒江峡谷农业产业结构调整与生态修复互动研究"（41161070）
作者简介:李益敏(1965-),女,白族,云南省昆明市人,研究员,硕士生导师,主要从事资源环境与3S应用研究。E-mail:liyimin1965@163.com