【摘要】 土地利用变化所引起的环境影响及其环境安全评价已成为全球变化研究的核心。根据区域环境质量评价方法,引入信息熵的概念,以武汉市为例分析了近14年土地利用结构变化对环境的影响,并从土地—环境—经济三方面对其作了比较分析。结果表明,武汉市的整体环境趋于恶化,分区环境质量变化不平衡,生态系统经济价值总态势趋于下降。更多还原

【Abstract】 Land-use change arose environmental problems,the effects and evaluation of environment became hot topic in the study of global change.This paper led into shannon entropy in assessment method of region environment,tooking Wuhan as an exemple to analyze the effects of environment invoked by construction of land-use change in recent fourteen years,analyzed the formation and change mechanism among land,environment and economic.Results indicated that environment of Wuhan was becoming worse,environment change of different zone was discrepant and the economic value of ecological system was decreasing.更多还原