Fig. 2

NMDS ordination of the vegetation data. a) Convex hulls enclose the different Cajander’s site types; filled circles, triangles and crosses indicate the position of plots dominated by pine, spruce and birch, respectively. Cajander’s forest site types: 1) OMaT – Oxalis-Maianthemum, 2) OMT – Oxalis-Myrtillus, 3) MT – Myrtillus, 4) VT – Vaccinium vitis-idaea, 5) CT – Calluna, 6) ClT – Cladonia. b), c), d): P - pine, S - spruce, B – birch