【摘要】 本文从自然生态系统动态平衡的角度出发 ,分析了在全球化进程加快的背景下 ,外来干扰与胁迫加剧 ,区域生态系统的物理环境与生物群落所受到的外来安全影响 ,叙述了外源性影响导致的环境、群落、基因三种尺度的安全问题 ,探讨了生态系统持续进化的相应对策更多还原

【Abstract】 Balance of ecosystem is dynamic and its endurence to disturb ance is limited. While globalization is being quickened, much more potential harzard factors are brought to regional ecosystem.Based on the analysis of environment and biological community, ecological invasion, GMO’s latent risk,ecological security is discussed in detail. Finally,it draws the conclusion and provides the solution to ecological security.更多还原