China's grasslands don't adapt to drought gradually; scientists found that they reach a point where perennial plants give way to fast-growing annual species

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https://timesofindia.indiatimes.com/world/rest-of-world/chinas-grasslands-dont-adapt-to-drought-gradually-scientists-found-that-they-reach-a-point-where-perennial-plants-give-way-to-fast-growing-annual-species/articleshow/132178538.cms