[1]刘春霞,李月臣,罗茜.重庆市都市区土地利用/覆盖变化的生态响应研究[J].水土保持研究,2011,18(01):111-115.
　LIU Chun-xia,LI Yue-chen,LUO Xi.Ecological Responses of Land Use/Cover Changes in Metropolitan Area of Chongqing[J].Research of Soil and Water Conservation,2011,18(01):111-115.
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重庆市都市区土地利用/覆盖变化的生态响应研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 18 期数: 2011年01期 页码: 111-115 栏目: 出版日期: 2011-02-20
Title:
Ecological Responses of Land Use/Cover Changes in Metropolitan Area of Chongqing
作者:
刘春霞1,2, 李月臣1,2, 罗茜1
1. 重庆师范大学地理与旅游学院, 重庆400047;
2. 重庆市高校GIS应用研究重点实验室, 重庆400047
Author(s):
LIU Chun-xia1,2, LI Yue-chen1,2, LUO Xi1
1. College of Geography and Tourism, Chongqing Normal University, Chongqing 400047, China;
2. Key Laboratory of GIS Application, Chongqing Municipal Education Commission, Chongqing 400047, China
关键词:
土地利用/覆盖变化; 景观格局; 生态响应; 重庆市
Keywords:
land use/cover change; landscape structure; ecological response; metropolitan area of Chongqing
分类号:
F301.24
摘要:
土地利用/覆盖变化直接或间接地改变着生态系统的结构和功能，进而影响地表各种景观过程。地表景观过程的改变，必然对人类赖以生存的生态环境产生程度不同的影响。以快速发展的西南山地城市重庆市都市区为例，利用1997年、2006年的土地利用/覆盖类型图，以GIS技术为支撑，计算土地利用转移概率矩阵、景观格局指数，以期从景观格局的角度定量刻画区域景观过程对土地利用/覆盖变化的响应。结果表明，景观呈破碎化趋势，景观多样性有所提高，斑块类型趋于离散，生境质量下降导致内部生境损失，使内部生境更容易遭受外部的侵袭干扰；边缘效应显著，使灌草地从内向外产生生态环境梯度，生物多样性降低；景观内部均质化发展，降低了景观抗干扰的能力，是土地利用/覆盖变化的生态过程响应。要实现区域土地资源的可持续发展和景观生态功能的良性发挥，须注重土地利用格局优化，维护景观生态过程与格局的连续性。q
Abstract:
Land use/cover changes directly or indirectly affected the function and structure of landscape ecological system, furthermore, it influences the landscape processing in the surface of the earth. Metropolitan area of Chongqing was chosen as a study area. Based on the land use/cover data in 1997 and 2006, the authors calculated the land use/cover transform matrix, landscape pattern index and analyzed the features of land use/cover and its ecological responses in the study area. The main landscape types are cultivated land and forest in the study area. The changes of landscape pattern showed an increasing landscape fragmentation process, increasing landscape diversity and irregularity of patch shape. The land use/cover changes had caused distinct landscape ecological responses, such as environmental quality deterioration, edge effects intensification. So it is important to intensify the spatial relationships among landscape elements and to maintain the continuity of landscape ecological process and pattern with the urban expansion.

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备注/Memo

收稿日期:2010-8-5;改回日期:2010-9-5。
基金项目: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（CSTC2008BB7367）；重庆市教育委员会科学技术研究项目（KJ070811）；重庆师范大学博士科研启动基金项目（06XLB004）；重庆师范大学人文地理市级重点学科基金
作者简介:刘春霞（1975- ），女，讲师，硕士，从事资源环境与生态经济研究。E-mail：liuchunxia_2004@163.com
通讯作者:李月臣（1974- ），男，教授，博士后，主要从事资源环境遥感与地理信息系统研究。E-mail：liyuechen@cqnu.edu.cn

更新日期/Last Update: 1900-01-01