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. 2016 Apr 1;7:418. doi: 10.3389/fpls.2016.00418

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Copyright © 2016 Guada, Camarero, Sánchez-Salguero and Navarro Cerrillo.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Climate-growth relationships (Pearson correlation coefficients) calculated for the two pine species and considering three defoliation degrees (N, scarce or no defoliation, empty symbols; I, intermediate defoliation, gray symbols; D, severe defoliation, black symbols). Correlations were obtained for 10- and 15-day long intervals considering the 1985–2008 period, and they are presented for mean maximum temperatures and total precipitation. The dashed lines indicate the 0.05 significance levels. The bars show averaged (temperatures) and summed (precipitation) values for each variable.