【摘要】 随着人口的快速增长以及人类工农业活动的加剧,生态环境不断受到人类活动的干扰和损害,生态安全问题日益突出,引起了国内外学者的广泛关注。综述了国内外对生态安全内涵、生态安全评价的机理、生态安全评价方法的研究现状,对生态安全评价的发展趋势和研究方向进行了分析。更多还原

【Abstract】 Along with a rapid population increasing rate and exacerbated industrial and agricultural activity,natural ecosystems are suffering from human activity,and ecosystem security problems have become increasingly prominent,and attracts more and more attentions of the researchers at home and abroad.A general review was made in the concept of ecological security,assessment mechanism,and assessment methods.The trends and research directions were analyzed for ecological safety quantitative assessment.更多还原