Table 1 Habitat types, derived from the German Red Data Book on endangered habitats [33, 36], used in this study for the establishment of a reference system to evaluate the biological state of the soil
Habitat type number | Description |
|---|---|
33. | Arable and fallow land (in the following abbreviated ‘arable land’) |
33.01 | Farmed and fallow land on shallow skeletic calcareous soil |
33.02 | Farmed and fallow land on shallow skeletic silicaceous residual soil |
33.03 | Farmed and fallow land on sandy soil |
33.04 | Farmed and fallow land on loess, loam or clay soil |
33.05 | Farmed and fallow land on peaty or half-bog soil |
34. | Natural dry grasslands and grasslands of dry to humid sites (in the following abbreviated ‘grassland’) |
34.01 | Xeric grassland |
34.02 | Semi-dry grassland |
34.03 | Steppic grassland (subcontinental, on deep soil) |
34.04 | Dry sandy grassland |
34.05 | Heavy-metal grassland |
34.06 | Mat-grass swards |
34.07 | Species-rich grassland on moist sites |
34.08 | Species-poor intensive grassland on moist sites |
34.09 | Trampled grass and park lawns |
43. | Deciduous and mixed woodlands and forest plantations (deciduous share >50 %) (in the following abbreviated ‘deciduous forest’) |
43.01 | Birch bog woodland |
43.02 | Carr woodland |
43.03 | Swamp forest (on minerogenic soil) |
43.04 | Alluvial forest |
43.05 | Tidal alluvial forest |
43.06 | Ravine, boulder-field and scree forests |
43.07 | Deciduous and mixed forest on damp to moist sites |
43.08 | Deciduous (mixed) forest on dry or warm dry sites |
43.09 | Deciduous (mixed) plantations with native tree species |
43.10 | Deciduous (mixed) plantations with introduced tree species (including subspontaneous colonisations) |
44. | Coniferous (mixed) woodlands and forest plantations (in the following abbreviated ‘coniferous forest’) |
44.01 | Bog woodland (coniferous) |
44.02 | Natural and near-natural dry to intermittently damp pine forest |
44.03 | Spruce/fir (mixed) forest and spruce (mixed) forest |
44.04 | Coniferous (mixed) plantations with native tree species |
44.05 | Coniferous (mixed) plantations with introduced tree species (including subspontaneous colonisations) |