Karst ecosystem is an ecosystem controlled by karst environment.

岩溶生态系统是受岩溶环境制约的生态系统。

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But the research on impacts of climate changes on karst ecosystem hasn't been studied systematically at home now.

但关于气候变化对岩溶生态系统的影响，国内尚未有系统的研究工作。

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Tillage practice had important effect on soil nutrients loss and soil degradation in the fragile karst ecosystem.

耕作对喀斯特脆弱生态系统土壤具有重要影响，是造成土壤养分流失、退化的主要原因。

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