Revegetation in extremely degraded grassland improves permafrost stability on Qinghai-Tibetan plateau

As the dominant vegetation type in the permafrost regions of the Qinghai-Tibet Plateau (QTP), alpine grassland provides important ecosystem service functions, such as permafrost conservation. Over the last few decades, about 90% of alpine grassland has already suffered obvious degradation due to climate warming and overgrazing, which led to extensive permafrost degradation.

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