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该地带人为活动频繁，对植被影响较大。
There is a heavy impact on the forest due to human's activities.
本研究以植被影响指数（IVI）来衡量旅游活动对植被的影响。
The impacting degree of tourism activities on vegetation was confirmed by Impact Vegetation Index (IVI).
研究干旱对退化喀斯特植被影响是治理退化喀斯特生态系统或石漠化的基础。
Studies on the impacts of extreme drought on karst plant communities are the basis for the management of degraded karst ecosystem.
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