Identity:

The transition zone between taiga and tundra, characterised by a scattering of stunted coniferous trees or deciduous shrubs within a tundra environment, or by a macromosaic of tundra with scattered islands of forest, or by forest with scattered treeless tundra patches. They occur in a broad belt, up to several hundreds of kilometres wide, across the north of the Eurasian continent and in a narrow ecotone in Siberian mountains. Component habitat types include those of F1 in combination with G3.A, G3.B, G3.C or G4.2.