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中国北方脆弱生态区在人类活动影响下的演化及其调控
Evolvement and Its Control of Vulnerable Ecology Region Undergoing Human Activityin Northern China
【摘要】 以生态承载力、生态弹性力、经济开发强度和经济开发速度等4个综合性变量作为描述脆弱生态区的状态变量,建立了脆弱生态区的演化模型,并以内蒙古的翁牛特旗和敖汉旗脆弱生态区为例,对不同经济开发活动方式下脆弱生态区的演化过程进行了模拟,结果表明,人类经济开发活动对脆弱生态区的演化趋势具有重要的影响。
【Abstract】 The evolvement of vulnerable ecology region is dynamic processes of every state variable of vulnerable ecology region affected by various factors. During the evolvement processes of vulnerable ecology region, human activitiesplay a decisive effect. This paper establishes a model of vulnerable ecology region’s evolvement by regarding four synthetic variables as state variables describing vulnerable ecology region. Those synthetic variables are ecological carrying capability, ecological elastic capability, economic exploitation intensity and economic exploitation velocity. Finally, this paper takes Wengniute county andAohan county in the North of China as a case study to simulate the evolvement processes of vulnerable ecology region in different economic exploitation way. And the result showed that human’s exploitation activities have important influence on the evolvement trend of vulnerable ecology region.
【Key words】 vulnerable ecology region; evolvement; controlling; model; simulation;
- 【文献出处】 农业环境保护 ,Agro-environmental Protection , 编辑部邮箱 ,2002年05期
- 【分类号】X171
- 【被引频次】9
- 【下载频次】207