Key points are not available for this paper at this time.
F. S. Chapin III, G. R. Shaver, R. A. Kedrowski, Environmental Controls Over Carbon, Nitrogen and Phosphorus Fractions in Eriophorum Vaginatum in Alaskan Tussock Tundra, Journal of Ecology, Vol. 74, No. 1 (Mar., 1986), pp. 167-195
Chapin et al. (Sat,) studied this question.