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. 2019 Aug 14;5(8):eaax1396. doi: 10.1126/sciadv.aax1396

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Copyright © 2019 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 3 — (A) Time series of NDVI. The numbers show the change rates of NDVI, and * indicates the significant changes at a significance level of P < 0.05. (B) Probability density function of NDVI trends during the two periods, with bars indicating the proportion of increased (gray) and decreased (black) responses. (C) Mean monthly NDVI trends between the two periods. Shaded area in (A) and error bars in (C) indicate ±1 SD.