Degree Proportion of Gramineae–K. humilis (%) Proportion of Gramineae–K. humilis and K. pygmaea (%) Proportion of K. pygmaea (%) Proportion of K. pygmaea with eroded mattic epipedon (%) Proportion of black-soil beach (%)
Grazing intensity (sheep / ha) No grazing for more than 1 year 39.5 0.0 0.0 0.0 0.0
< 3.65 60.5 0.0 32.6 0.0 0.0
3.65–7.5 39.5 14.3 26.1 8.8 0.0
8.25–13 0.0 53.6 38.0 45.6 17.5
> 13 0.0 32.1 3.3 45.6 82.5
Total plant community coverage (%) > 90 100.0 24.9 45.3 32.3 20.0
70–90 0.0 16.1 18.6 21.0 17.5
45–70 0.0 25.0 17.5 8.1 15.0
< 45 0.0 16.1 18.6 38.7 47.5
Slope aspect Sunny 66.7 23.8 43.2 50.0 60.0
Semi-sunny 33.3 76.2 56.8 50.0 40.0
Slope location Top 0.0 23.8 48.1 32.0 20.0
Middle 33.3 76.2 36.5 56.0 60.0
Bottom 66.7 0.0 15.4 12.0 20.0
Slope angle < 5° 86.8 48.4 36.4 53.5 43.2
5°–10° 13.2 9.7 40.9 20.9 32.4
10°–35° 0.0 25.8 22.7 25.6 24.3
>35° 0.0 16.1 0.0 0.0 0.0
Mattic epipedon thickness (cm) < 5 73.7 46.4 44.7 6.5 90.0
5–10 26.3 53.6 38.3 23.9 0.0
10–13 0.0 0.0 17.0 43.5 10.0
> 13 0.0 0.0 0.0 26.1 0.0