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21 世纪 生态学挑战 孙 儒 泳 北京师范大学 生命科学学院. 21 世纪人类面临的最大生态学挑战 : 工业革命以来,人类的社会、经济、科学技术和人口都在迅猛地发展,人类活动的空间不断扩大,需求日益增加,为人类创造了巨大的财富。但是就在同时,人类对地球资源的消耗、环境的破坏也越来越大,即人类对地区上各种生态系统的影响越来越大 。 人们发现: 地球环境正在全面恶化中,甚至于威胁人类自身的生存。 当今, 人类活动对于环境或地球生态系统的影响问题已经上升为现代生态学的焦点 ,而全面、充分了解各种生态系统的生态过程是科学确定环境对策的关键。. 下面说几个事实: - PowerPoint PPT Presentation
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