“ecosystem degradation”的概念、定义、翻译、参考文献-科学参考

单词	ecosystem degradation
释义	ecosystem degradation Encyclopedia 工学生态系统退化释 ecosystem degradation生态系统退化生态系统的正常状态在干扰作用下失衡，生态系统结构发生负向变化，相应功能比原正常生态系统低下，正常生态系统受到损伤的现象。
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