[1]王桂林,杨 昆*,王保云.基于证据理论的不透水表面扩张模拟及其生态效应研究[J].山地学报,2016,(05):562-570.[doi:10.16089/j.cnki.1008-2786.000163]
　WANG Guilin,YANG Kun,WANG Baoyun.Simulation of Impervious Surface Expansion and Its Environmental Effects[J].Mountain Research,2016,(05):562-570.[doi:10.16089/j.cnki.1008-2786.000163]
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基于证据理论的不透水表面扩张模拟及其生态效应研究()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2016年05期
页码:
562-570
栏目:
山地生态与环境
出版日期:
2016-09-30

文章信息/Info

Title:
Simulation of Impervious Surface Expansion and Its Environmental Effects
文章编号:
1008-2786-(2016)5-562-09
作者:
王桂林1; 2; 杨 昆2; 3*; 王保云2; 3
1.云南师范大学旅游与地理科学学院;
2.西部资源环境地理信息技术教育部工程研究中心;
3.云南师范大学信息学院,云南 昆明 650500
Author(s):
WANG Guilin1; 2; YANG Kun2; 3; WANG Baoyun2; 3
1.School of Tourism and Geographic Sciences,Yunnan Normal University Kunming,China;
2.The Engineering Research Center of GIS Technology in Western China of Ministry of Education of China;
3.School of Information Science and Technology, Yunnan Normal University Kunming,China
关键词:
生态系统;  环境效应;  城市扩张;  人文驱动;  滇池流域
Keywords:
environmental effects;  Demspter-Shafer evidence theory;  impervious surface expansion;  human-induced;  ecosystem;  Dianchi-Basin
分类号:
K909,P208
DOI:
10.16089/j.cnki.1008-2786.000163
文献标志码:
A
摘要:
对不透水表面扩张导致的生态环境问题的探讨。认为,不透水表面扩张是人类改变自然的一个最直接的行为方式,其直接改变地表结构导致区域下垫面结构发生变化,得出“人类活动→土地利用/覆被变化→流域生态系统结构改变和功能退化”链式驱动机制。在该链式驱动模式上,采用D-S(Dempster-Shafer)证据理模型分析了不透水表面扩张的驱动机制,量化人类活动对不透水表面扩张的影响程度,最终预测流域在人文环境驱动下的不透水表面扩张。结果表明:2002年、2009年、2018年的滇池不透水表面覆盖率分别为:7.95%,13.40%,25.95%。2002年滇池流域不透水表面覆盖率 ＜ 10%,即“生态环境脆弱期”,如果没有其他环境压力,其生态系统结构和功能具有可持续性; 2009年滇池流域不透水表面覆盖率在(10～25%)之间,即“生态系统受影响期”,具有明显的生态系统结构和功能退化迹象; 依照目前的驱动机制和发展模式,到2018年,其不透水表面覆盖率＞25%,即“生态功能退化期”,其将带来不可逆转的生态破坏,如生态系统结构高度不稳定,生物多样性少,生态功能退化等现象。因此,要对滇池流域不透水表面扩张进行合理地规划,统筹经济发展和生态环境保护,以避免其带来不可控制的生态系统破坏。
Abstract:
This study explored the environmental effects of impervious surface expansion, thinking that impervious surface expansion was the most direct way to change natural environment. A drive chain from human activities to land use and land cover change, then to ecosystem structure change and function degradation was found. Based on the drive chain, D-S evidence theory was adopted to simulate the expansion of Dianchi-Basion's impervious surface. The results showed that the impervious surface coverage were 7.95% in 2002,13.40% in 2009, 25.95% in 2018, respectively. Sensitive area has 0 to 10% imperviousness and typically has good water quality, good habitat structure, and diverse biological communities if riparian zones are intact and other areas are absent. Impacted streams have 10 to 25% imperviousness and show clear signs of degradation and only fair in-stream biological diversity. Non-supporting area have ＞25% impervious, a highly unstable channel and poor biological condition supporting only pollutant-tolerant fish and insects. Thus, It should be reasonable to plan urbanization formation of Dianchi,giving consideration to economic development and ecological environmental protection, in order to avoid its uncontrolled destruction of ecosystem.

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备注/Memo

备注/Memo:
收稿日期(Received date):2014-12-11; 改回日期( Accepted):2016-03-02。
基金项目(Foundation item):国家863项目(2012AA121402),高等学校博士学科点专项科研基金(20115303110002)资助。[National 863 project(2012AA121402); Specialized Research Fund for the Doctoral program(20115303110002)。]
作者简介(Biography):王桂林(1986-),女,江西上饶市人,博士,主要从事资源环境信息系统。[Wang Guilin(1986-),female, Shangrao, Jiangxi province, Ph.D, major in resources and environment information system.] E-mail:kawgl@126.com
*通信作者(Author for correspondence):杨昆(1963-),男,云南昆明人,博导,主要从事资源环境信息系统.[Yang Kun(1963-),male,Kunming, Yunnan province,Ph.D supervisor, major in resources and environment information system.] E-mail:kmdcynu@163.com
更新日期/Last Update: 2016-09-30