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Table 1 Inter-correlation among environmental predictors quantified using Spearman’s Rho for correlations among numeric predictors, with r - values > 0.6 indicating high inter-correlation among predictors

From: Tropical forest canopies and their relationships with climate and disturbance: results from a global dataset of consistent field-based measurements

  AMI CovP Elev MAP MinT MWD Popd Popp Slope
AMI 1         
CovP −0.66 1        
Elev −0.23 0.42 1       
MAP 0.93 −0.62 −0.41 1      
MinT 0.41 −0.48 −0.78 0.55 1     
MWD −0.91 0.76 0.15 −0.77 −0.33 1    
Popd −0.22 0.22 0.29 −0.28 −0.40 0.14 1   
Popp −0.14 0.24 0.35 −0.21 −0.43 0.1 0.81 1  
Slope 0.22 −0.14 0.41 0.03 −0.24 −0.35 0.16 0.13 1
  1. AMI annual moisture index, CovP coefficient of variation in annual precipitation, Elev minimum elevation of plots measured in a 1 km grid cell (m above sea level), MAP mean annual precipitation (mm), MinT minimum temperature of the coldest month (°C), MWD maximum water deficit (mm), Popd human population density, Popp human population pressure with sigma set to 5, Slope mean slope of plots measured in a 1 km grid cell [°]. Numbers in bold indicate highly inter-correlated predictor variables