Birch Schwappach

Birke Schwappach

Available columns:

  • id The unique identifier of the yield table.
  • yield_class The yield class.
  • age The age in years.
  • dominant_height The dominant height in m.
  • average_height The average height in m.
  • trees_per_ha The number of trees per hectare.
  • basal_area The basal area in m2.
  • volume_per_ha The volume per hectare in vfm.
  • average_annual_age_increment The average annual increment up to a certain age in volume per hectare vfm.
  • total_growth_performance The total growth performance in volume per hectare vfm.

Growth curves:

Data:

Yield class: 1

id yield_class age dominant_height average_height trees_per_ha basal_area volume_per_ha average_annual_age_increment total_growth_performance
205 1 30 14.9 974.0 11.5 69.0 12.3 69.0
205 1 35 16.7 824.0 14.6 101.0 15.0 108.0
205 1 40 18.3 713.0 16.1 124.0 17.0 150.0
205 1 45 19.7 627.0 17.1 145.0 18.7 192.0
205 1 50 20.9 553.0 17.8 162.0 20.3 230.0
205 1 55 22.0 487.0 18.3 176.0 21.9 264.0
205 1 60 23.0 427.0 18.6 188.0 23.6 295.0
205 1 65 23.9 372.0 18.8 197.0 25.1 322.0
205 1 70 24.7 321.0 18.9 204.0 27.4 346.0
205 1 75 25.4 274.0 18.7 209.0 29.8 369.0
205 1 80 26.0 230.0 18.5 212.0 32.0 389.0

Yield class: 2

id yield_class age dominant_height average_height trees_per_ha basal_area volume_per_ha average_annual_age_increment total_growth_performance
205 2 30 11.3 1329.0 10.0 47.0 9.8 47.0
205 2 35 12.8 1118.0 12.8 71.0 12.1 77.0
205 2 40 14.1 948.0 14.5 90.0 14.0 110.0
205 2 45 15.3 813.0 15.5 106.0 15.6 143.0
205 2 50 16.4 703.0 16.0 118.0 17.1 172.0
205 2 55 17.4 613.0 16.2 128.0 18.3 198.0
205 2 60 18.3 535.0 16.3 136.0 19.7 222.0
205 2 65 19.1 465.0 16.2 141.0 21.0 242.0
205 2 70 19.8 401.0 16.1 145.0 22.6 260.0
205 2 75 20.4 341.0 15.9 148.0 24.3 276.0
205 2 80 20.9 284.0 15.7 150.0 26.5 291.0