Study on the spatiotemporal variations of vegetation phenology in China based on solar-induced chlorophyll fluorescence.

Front Plant Sci · 2026 · PMC13429671 · PMID 42548764

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a weak trendno p-value reported

Broadleaf forests show a weak trend of advancement, with a rate of 0.18 days/year and a cumulative advancement of 12.6 days in 20 years.

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a significant trendno p-value reported

The development trend of vegetation in Xinjiang, southeastern Gansu, Ningxia, and northern and central Shaanxi showed a delay, with a significant trend in Xinjiang, Inner Mongolia, Gansu, and Ningxia.

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a clear trendno p-value reported

The interannual variation in vegetation phenology in China from 2001 to 2020 showed different degrees of fluctuation and a clear trend.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.