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Table 4 Multiple linear regression analysis results testing data for density of specimens per m2 against the factors of moraine age and distance from Skaftafelsheiði for B. pubescens and both Salix species

From: Spatial and temporal dynamics of growth of woody plant species (birch and willows) on the foreland of a retreating glacier in southern Iceland

Species   R squared P value Slope
B. pubescens 0.503   
 Age   < 0.001 +
 Distance   0.115 -
S. lanata 0.333   
 Age   < 0.001 -
 Distance   0.038 -
S. phylicifolia 0.032   
 Age   0.386 -
 Distance   0.520 -