并从指示物种，结构-功能-组成，压力-响应等方面介绍了生态系统完整性评价指标；
The indicators of ecosystem integrity can be grouped into indicator species, structure-function-composition indicators, and stress-response indicators.
其特有的高寒生态系统对气候的响应一直是科学家关注的热点。
The response of alpine ecosystem to climate change becomes a hot topic of scientific research.
这说明生态环境对气候变化的响应存在一种时间上的滞后性。
These reveal that there is a temporal hysteresis in the response of ecological environment to climate change.
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