21
Table 1 Four-level classification scheme for the Grenspark De Zoom-Kalmthoutse Heide
Level 1
Level 2
Level 3
Level 4
H Heathland
Hd Dry heathland
Hdc Calluna
vulgarisdominated
heathland
Hdcy
Calluna-stand of
predominantly
young age
Hdca
Calluna-stand of
predominantly
adult age
Hdco
Calluna-stand of
predominantly old
age
Hdcm Calluna-stand of
mixed age classes
Hw Wet heathland
Hwe Erica tetralixdominated
heathland
HweErica tetralixdominated
heathland
Hg Grassencroached
heathland
Hgm Molinia
caeruleadominated
heathland
Hgmd Molinia-stand on
dry soil
Hgmw Molinia-stand on
moist soil
Hgd Deschampsia
flexuosadominated
heathland
HgdDeschampsia
flexuosa-dominated
heathland
Hs Shrub/
tree- encroached
heathland
Hst
Tree-encroached
heathland
HstTree-encroached
heathland
Hsr
Rubusencroached
heathland
HsrRubus-encroached
heathland
G Grassland
Gt
Temporary
grassland
GtTemporary
grassland
Gt-Temporary
grassland
Gp Permanent
grassland
Gpa Permanent
grassland in
intensive
agricultural use
Gpap
Species-poor
permanent
agricultural
grassland
Gpar
Species-rich
permanent
agricultural
grassland
Gpn Permanent
grassland with
semi-natural
vegetation
Gpnd
Dry semi-natural
permanent
grassland
Gpj
Juncus effususdominated
grassland
GpjJuncus effususdominated
grassland
(continued)
Towards a Mature Age of Remote Sensing for Natura 2000 Habitat Conservation: Poor…