首页 | 本学科首页   官方微博 | 高级检索  
   检索      

三峡库区生态系统服务功能重要性评价
引用本文:李月臣,刘春霞,闵婕,王才军,张虹,汪洋.三峡库区生态系统服务功能重要性评价[J].生态学报,2013,33(1):168-178.
作者姓名:李月臣  刘春霞  闵婕  王才军  张虹  汪洋
作者单位:1. 重庆师范大学地理与旅游学院,GIS应用研究重庆市高校重点实验室,重庆400047;重庆市气象科学研究所,重庆401147;重庆交通大学土木建筑学院,重庆400074
2. 重庆师范大学地理与旅游学院,GIS应用研究重庆市高校重点实验室,重庆400047
基金项目:重庆市气象局开放基金(Kfjj-201103);资源环境与生态建设重庆市高校创新团队基金;重庆市地理学重点学科基金;国家自然科学基金(40801077);教育部重点项目(209100);重庆市自然科学基金(CSTC,2008BB7367);重庆市教委科技项目(KJ070811)
摘    要:在RS与GIS技术支持下,选择研究区比较重要的生物多样性保护、土壤保持、水源涵养和营养物质保持四个生态系统服务功能,建立生态系统服务功能重要性评价模型与方法,对三峡库区重庆段生态系统服务功能进行综合研究,定量揭示了研究区生态系统服务功能重要性程度及其空间分布规律.结果表明:(1)生物多样性保护高度重要以上地区的面积比达到了15%以上;极重要地区主要呈斑块状分布在东北部、中部和东南部.(2)土壤保持极重要区占据绝对优势地位,面积比为68.80%;土壤保持极重要区主要分布在万州及其东北部地区.(3)水源涵养一般重要区面积最大,其次为极重要地区;极重要区沿江河呈带状分布,高度重要区主要分布在极重要区两侧沿江河呈环带状分布.(4)营养物质保持一般重要区面积最大;其次是极重要区;极重要区基本呈条带形分布在植被覆盖较好的山脉及江河两侧.(5)生态系统服务功能极重要和高度重要区的面积占到了研究区总面积的近50%;极重要区基本沿主要江河两侧第一层分水岭和西部平行岭谷区的山脊呈条带形分布;高度重要区基本分布在极重要区两侧层环带形分布,少部分零散分布.

关 键 词:生态系统服务功能重要性  生物多样性保护  水源涵养  土壤保持  营养物质保持  三峡库区  重庆
收稿时间:7/2/2011 12:00:00 AM
修稿时间:2012/7/30 0:00:00

RS/GIS-based integrated evaluation of the ecosystem services of the Three Gorges Reservoir area (Chongqing section)
LI Yuechen,LIU Chunxi,MIN Jie,WANG Caijun,ZHANG Hong and WANG Yang.RS/GIS-based integrated evaluation of the ecosystem services of the Three Gorges Reservoir area (Chongqing section)[J].Acta Ecologica Sinica,2013,33(1):168-178.
Authors:LI Yuechen  LIU Chunxi  MIN Jie  WANG Caijun  ZHANG Hong and WANG Yang
Institution:College of Geography and Tourism, Key Laboratory of GIS Application, Chongqing Normal University, Chongqing 400047, China;Chongqing Institute of Meteorological Science, Chongqing 401147, China;School of Civil Engineering Architecture and Construction, Chongqing Jiaotong University, Chongqing 400074, China;College of Geography and Tourism, Key Laboratory of GIS Application, Chongqing Normal University, Chongqing 400047, China;College of Geography and Tourism, Key Laboratory of GIS Application, Chongqing Normal University, Chongqing 400047, China;College of Geography and Tourism, Key Laboratory of GIS Application, Chongqing Normal University, Chongqing 400047, China;College of Geography and Tourism, Key Laboratory of GIS Application, Chongqing Normal University, Chongqing 400047, China;College of Geography and Tourism, Key Laboratory of GIS Application, Chongqing Normal University, Chongqing 400047, China
Abstract:This paper selected four major ecosystem services, biodiversity conservation, soil conservation, water conservation and nutrients conservation, to evaluate the ecosystem services of the Three Gorges Reservoir (TGR) area using GIS and RS techniques. We investigated the importance and spatial distribution of these services in a quantitative way. The results indicate that: (1) The percentage of the area with extremely and strongly important biodiversity conservation service reaches 15% of the total TGR area. The areas with extremely important biodiversity conservation present patchy distributions in the northeastern, central and southeastern parts of the TGR area; (2) The percentage of the areas with extremely important soil conservation is 68.80%. These areas are mainly distribute in Wanzhou and the regions northeast to Wanzhou; (3) The areas dominated by the slightly important water conservation service are widely distributed in the study region and are followed by those with extremely important water conservation service. The areas with extremely important water conservation service are located along the main streams, and the areas with moderately important water conservation service are distributed along the two sides of the main streams; (4) The areas with slightly important nutrients conservation service occupy the largest areas of the TGR area and are followed by those with extremely important nutrients conservation. The areas with extremely important nutrients conversation service are mainly distributed in zonal distribution along two sides of the rivers and streams, and the ridges; (5) The percentage of the areas with extremely and moderately important ecosystem services is about 50%. The areas with extremely important ecosystem services are distributed along the first watershed of main rivers and streams, and the ridges in the paralleled ridge-valley region in the west of the study region. The areas with moderately important ecosystem services are mainly distributed along the two sides of the above-mentioned areas and scatteringly distributed along the main streams.
Keywords:importance of ecosystem service  biodiversity conservation  water conservation  soil conservation  nutrients conservation  the Three Gorges Reservoir area  Chongqing
本文献已被 CNKI 万方数据 等数据库收录!
点击此处可从《生态学报》浏览原始摘要信息
点击此处可从《生态学报》下载免费的PDF全文
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号