Needle Respiration and Nitrogen Concentration in Scots Pine Populations from a Broad Latitudinal Range: A Common Garden Test with Field-Grown Trees

P. B. Reich, J. Oleksyn, M. G. Tjoelker, Needle Respiration and Nitrogen Concentration in Scots Pine Populations from a Broad Latitudinal Range: A Common Garden Test with Field-Grown Trees, Functional Ecology, Vol. 10, No. 6 (Dec., 1996), pp. 768-776