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Published byMaurice Gibbs Modified over 5 years ago
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Fig. 4 Responses of forest growth to seasonal precipitation extremes.
Responses of forest growth to seasonal precipitation extremes. Proportion of years with extremely low or high precipitation (lower or upper 20th percentile, respectively) that are also extremely low or high growth years after using a Cohen’s κ correction to account for chance co-occurrence. Responses to extreme precipitation were calculated from 1895 (the start of the PRISM precipitation estimates) through the ending year of tree-ring measurements, which varied by site but was never earlier than (A and B) Responses of growth to extremely dry and extremely wet cool seasons (prior October to March). (C and D) Responses of growth to extremely dry and extremely wet warm seasons (April to September). Sites outlined in dark gray indicate significant co-occurrence of extreme precipitation and extreme growth based on the binomial distribution, with the false discovery rate (FDR) controlled at the αglobal = 0.05 level (Materials and Methods). The number of sites where P ≤ PFDR is shown for each panel. Matthew P. Dannenberg et al. Sci Adv 2019;5:eaaw0667 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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