基于MODS耦合的新疆玛纳斯河流域生态安全问题研究  

Ecology security problem based on oasis circle level structure,Manas Basin in Xingjiang

作　　者：张军民[1] 

机构地区：[1]石河子大学师范学院地理系,石河子832003

出　　处：《干旱区资源与环境》2011年第11期49-53,共5页Journal of Arid Land Resources and Environment

基　　金：国家软科学研究计划(2010GXQ5D367);石河子大学社科基金(RWSK09-Y32)资助

摘　　要：干旱区山地-绿洲-荒漠系统(MODS)耦合关系,是在新疆山盆结构及水文循环共同作用下形成的,是内陆河流域生态系统稳定性和生态服务健康性的客观表达。用生态系统耦合原理、空间结构稳定性分析、土地类型及利用评价等方法,结合相关遥感影像分析,得出:绿洲开发改变了流域水文循环及水资源分配的有效性,圈层结构的脆弱组成-天然绿洲及过渡带趋于退化,流域绿洲化与荒漠化、盐渍化均呈扩大趋势,绿洲建设的生态基础及可持续性能力受到威胁。应在对绿洲用耗水的规模、强度及方式进行有效控制的基础上,维持内陆河流域生态圈层结构的完整性及生态功能的有效性。The ecological circle level structure in arid area is interacted by mountain-basin and hydrologic cycle.It is the objective expression of the eco-system stability and ecology service healthy.The desert background has decided its water resource depending on runoff.The competition of the space-time distribution and transformation of the water resources has decided ecological security state of circle level structure and its form change.By studying the system couple principle,spatial structure stability,land-type and use evaluation,we can obtain that： oasis development has changed effectively the hydrologic cycle,water distribution in basin,and the fragile composition of circle structure,which make the natural oasis and transitional zone tend to degenerate,water sheds turn to oasis or desert and stalinizated lands expand constantly.It has threaded seriously its eco-basis and sustainable development ability.We must control effectively the scale,strength and mode of water using,keeping its integrity of eco-circle structure and effectiveness of eco-function.

关 键 词：生态圈层结构 内陆河流域 生态安全 绿洲 

分 类 号：X171.1[环境科学与工程—环境科学]