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Table 4 Plasticity simulations with displacement bounds of 1.5 m for pine and 1 m for spruce

From: Can plasticity make spatial structure irrelevant in individual-tree models?

  Jack pine Black spruce
  a=1 a=2 a=1 a=2
  α α=1 α α=1 α α=1 α α=1
Regression R2 0.90 0.86 0.86 0.70 0.88 0.83 0.84 0.71
Residual S.E. 1.0 0.6 0.9 1.0 0.47 0.29 0.49 0.42
Clark-Evans index 1.2 0.9 1.3 1.2 1.0 0.9 1.1 1.0
Assimilation / m 2 0.47 0.32 0.50 0.43 0.47 0.33 0.53 0.44
Assimilation / tree 5.4 3.7 5.7 4.9 1.4 1.0 1.5 1.3
% with assim. 0 5.7 0.0 1.9 0.0 25 0 20 0
Mean displacement (m) 1.2 1.1 1.2 1.1 0.60 0.76 0.66 0.79
% at disp. bound 52 49 46 41 38 49 44 48
Iterations 32 28 29 25 37 27 43 27
  1. Distance-decreasing efficiency weighting.