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Table 5 Average values of Fisher index and proportion of clustered spatial patterns of aspen trees in 2500 simulations

From: Inventory of aspen trees in spruce dominated stands in conservation area

Stand Number of plots Random Systematic
Average Proportion of clustered samples Average Proportion of clustered samples
1 5 8.6 94.1 9.5 96.1
  10 9.9 99.6 10.0 99.2
  15 10.0 100.0 11.4 100.0
  20 10.6 100.0 10.6 100.0
2 5 1.9 56.1 2.0 60.4
  10 2.3 73.4 2.6 84.1
  15 2.6 84.5 2.7 90.9
  20 2.7 90.2 2.8 95.6
3 5 3.0 94.1 3.1 96.1
  10 3.5 95.6 3.7 89.8
  15 3.7 95.6 4.1 98.7
  20 3.9 98.0 4.0 97.0