@article{Ulf Hansen_1993, title={Arctic ecosystems in a changing climate - an ecophysiological perspective. F. Stewart Chapin et al. (eds.).}, volume={93}, url={https://tidsskrift.dk/geografisktidsskrift/article/view/42275}, journal={Geografisk Tidsskrift}, author={Ulf Hansen, Birger}, year={1993}, month={jan.} }