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Table 2 The density measured as the level of occupancy in the four populations we studied and the corresponding parameters for the fractal and Poisson models

From: Implications of salep collection for the conservation of the Elder-flowered orchid (Dactylorhiza sambucina) in Epirus, Greece

LevelWidth of cell (m)Sub-cell width (m)Total cellsSampled/repl.ANTHANILTYMFLAKM
05121281114%43%19%14%
11283216218%20%26%13%
2328256426%13%13%23%
3824096812%7%8%16%
420.565,5361623%7%7%9%
r, Poisson rate/m20.000720.000450.000310.00058
Av. pF0.190.180.150.15
p value0.5900.0380.0770.750
  1. Also shown are the results of testing for an increase of occupancy with scale, that would indicate a Poisson pattern (uniformly spread throughout the landscape) by means of p-values