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 |