Line transect running east and west in the Picea-Pinus-hylium, showing the relation of the herbaceous layer to Carex-Catha-helium, invading along the brook, research methods in ecology
Line transect running east and west in the Picea-Pinus-hylium, showing the relation of the herbaceous layer to Carex-Catha-helium, invading along the brook, research methods in ecology