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Fig. 4 | BMC Evolutionary Biology

Fig. 4

From: Phenotypic plasticity of natural Populus trichocarpa populations in response to temporally environmental change in a common garden

Fig. 4

Correlated evolution analysis between trait and niche climate. Correlations are either positive (red triangle) or negative (black circle), vary in strength (size of shapes), and have different levels of support indicated by transparency of circle colors (none of support: logBF < 2, complete transparency; weak support: logBF > 2, high transparency; moderate support: logBF > 5, low transparency; strong support: logBF > 10, no transparency). Green asterisks indicate correlations that meet the criterion threshold adjusted for multiple comparisons. After a reduction of collinearity among climatic variables, six of 19 bioclimatic variables were selected and visualized in an ascending order (top-down) based on relative contribution to niche suitability (details in Additional file 1: Note S8). Climate variables and their abbreviations: Mean Annual Temperature (MAT), Mean Diurnal Range (DiurnalRange), Mean Temperature of Wettest Quarter (TWettestQtr), Mean Annual Precipitation (MAP), Precipitation Seasonality (PSeasonality) and Precipitation of Warmest Quarter (PWarmestQtr). See Table 1 for concise annotation for the traits

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