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
Scientists' long-held belief that grasslands adapt slowly to drought has been challenged by a new study on China's temperate grasslands. The research reveals these ecosystems remain stable until a critical water limit is breached, then rapidly transform from deep-rooted perennials to fast-growing annuals. This abrupt shift, driven by increasing global temperatures and drought frequency, highlights nature's rapid response to climate change and raises concerns about ecosystem vulnerability.
Scientists' long-held belief that grasslands adapt slowly to drought has been challenged by a new study on China's temperate grasslands. The research reveals these ecosystems remain stable until a critical water limit is breached, then rapidly transform from deep-rooted perennials to fast-growing annuals. This abrupt shift, driven by increasing global temperatures and drought frequency, highlights nature's rapid response to climate change and raises concerns about ecosystem vulnerability.
