Human activities and global changes have led to alterations in global and regional precipitation regimes. Despite extensive studies on the effects of changes in precipitation regimes on plant community composition across different types of grassland worldwide, few studies have specifically focused on the effects of precipitation changes on high-altitude alpine steppe at community and plant species levels in the Tibetan Plateau.

中文翻译：

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青藏高原高寒草原草原优势种的地上和地下性状对降水变化的响应

人类活动和全球变化导致全球和区域降水制度发生变化。尽管在全球范围内不同类型的草地上，降水方式的变化对植物群落组成的影响进行了广泛的研究，但很少有研究专门针对青藏高原社区和植物物种水平上的降水变化对高海拔高山草原的影响。