International Journal of Ecology / 2009 / Article / Tab 4

Research Article

Relating Plant Biodiversity in Forests with the Spatial Scale of Ecosystem Processes

Table 4

Parameters of the hyperbolic saturation model (9) and error measures for the secondary Scots pine (Pinus sylvestris) forest types ( ) substituting European beech (Fagus sylvatica) forests types (2–4).

Ecosystem type Rubo-Culto-Pinetum sylvestris
Number of relevés 70
Mean sample area of relevés0.08 ha
Mean species number of relevés ( standard deviation)
Median of species number26
Mode* of species number26
Parameter q 00.512

   6.754.162.922.02
   [ha]0.0040.0110.0170.023
   0.220.420.671.10
  RMSE0.00100.00170.00130.0004
  RMSE%0.030.050.050.02

Ecosystem type Rubo-Avenello-Culto-Pinetum sylvestris
Number of relevés 286
Mean sample area of relevés0.06 ha
Mean species number of relevés ( standard deviation)
Median of species number21
Mode* of species number21
Parameter q 00.512

   7.213.822.531.77
   [ha]0.0020.0070.0120.014
   0.170.370.651.04
  RMSE0.00360.00060.00080.0007
  RMSE%0.080.020.040.04

Ecosystem type Avenello-Culto-Pinetum sylvestris
Number of relevés 411
Mean sample area of relevés0.06 ha
Mean species number of relevés ( standard deviation)
Median of species number15
Mode* of species number14
Parameter q 00.512

   7.733.271.901.36
   [ha]0.0020.0060.0090.013
   0.130.320.621.07
  RMSE0.00420.00110.00060.0003
  RMSE%0.130.050.030.02

Calculated from a Gaussian fitting.

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