中国农学通报2015,31(5):132138
ChineseAgriculturalScienceBulletin
基于系统耦合的区域生态安全格局构建
──以酒泉市肃州区为例
龙涛,刘学录,黄万状112
(甘肃农业大学资源与环境学院,兰州730070;兰州城市学院城市经济与旅游文化学院,兰州730070)12
摘要:构建区域生态安全格局对区域的可持续发展有重要的意义,肃州区位于河西走廊中西部,生态环
境脆弱,水资源短缺,生态环境建设与保护形势依然严峻,通过构建区域生态安全格局实现可持续发展
尤为重要。通过运用定性、定量相结合的方法分析肃州区的景观格局和景观安全格局。最后,运用系统
耦合和景观生态学尺度变化的原理和方法,结合肃州区特点,构建肃州区区域生态安全格局。随着尺度
的逐渐变大,区域生态安全格局包括生态资源系统耦合、自然—社会系统耦合、农业生态系统耦合、景观
安全格局耦合和生态地理区域耦合5个耦合模式。
关键词:区域生态安全格局;肃州区;景观格局;景观安全格局;系统耦合
中图分类号:Q149文献标志码:A论文编号:cas
ConstructionofRegionalPatternforEcologicalSecurityBasedonCouplingSystem
LongTao,LiuXuelu,HuangWanzhuang112
(1CollegeofResourcesandEnvironment,GansuAgriculturalUniversity,Lanzhou730070;
2SchoolofUrbanEconomicsandTourism,LanzhouCityUniversity,Lanzhou730070)
Abstract:Theconstructionofaregionalecologicalsecuritypatternhasimportantsignificanceinregional
sustainabledevelopment.SuzhoudistrictislocatedinthemidwestofHexiCorridor,withfragileecological
environmentandshortageofwaterresources,thesituationofecologicalenvironmentconstructionand
protectionaresevere.So,itisparticularlyimportanttorealizethesustainabledevelopmentthroughthe
constructionofregionalecologicalsecuritypattern.Inthispaper,weanalyzedthelandscapepatternand
landscapesecuritypatternofSuzhoudistrictthroughthecombinationofqualitativeandquantitativemethods.
Then,thesystemcouplingandtheprincipleandmethodoflandscapeecologyscalechangeswereusedtobuild
theSuzhouregionalecologicalsecuritypattern.Asthescaleincreasesgradually,fivekindsofcouplingmodels
areincludedinregionalecologicalsecuritypattern,theyaretheecolo