Gradients analyses of forests ground vegetation and its relationships to environmental variables in five subtropical forest areas, S and SW China
Liu, H., Økland, T., Halvorsen, R., Gao, J., Liu, Q., Eilertsen, O., Bratli, H.
Vegetation-environment relationships of boreal spruce forests in ten monitoring reference areas in Norway
Økland, T.
Vegetational and ecological monitoring of boreal forests in Norway. I. Rausjømarka in Akershus county, SE Norway.
Økland, T.
Vegetation-environment relationships of boreal spruce swamp forests in Østmarka Nature Reserve, SE Norway
Økland, R.H., Økland, T., Rydgren, K.