Bulletin of Chinese Academy of Sciences (Chinese Version)


ecosystem pattern; ecosystem function; ecological issue; ecological security barrier; Qinghai-Tibet Plateau

Document Type

Policy & Management Research


Qinghai-Tibet Plateau is important ecological security barrier of China and even Asia, and one of biodiversity conservation hotspots. Ensuring ecological security and protecting biodiversity are key tasks of ecological protection in Qinghai-Tibet Plateau. In Qinghai-Tibet Plateau, wildlife is very rich but there are many threatened species. During past 15 years, ecosystem pattern is stable, and ecosystem quality generally elevates in Qinghai-Tibet Plateau. Correspondingly, water retention, soil retention, and sandstorm prevention are improved and the trend of ecological degradation is suppressed. The construction of natural reserves and the implementation of ecological protection projects in Qinghai-Tibet Plateau contribute to the improvement of ecological security barrier function. However, due to the impacts of warm-wet tendency and human activities, Qinghai-Tibet Plateau is facing a series of ecological degradation risks, including frozen soil area withering, marsh reduction, wildlife habitat degradation, alien invasion, and ecosystem degradation. To further protect Qinghai-Tibet Plateau's ecological security barrier, the following measures could be taken, namely, optimizing spatial pattern of natural protected area, establishing natural protected area system mainly based on national park group, and implementing ecological protection and restoration projects.

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Bulletin of Chinese Academy of Sciences

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