Key points are not available for this paper at this time.
Barbara L. Gartner, F. Stuart Chapin, III, Gaius R. Shaver, Demographic Patterns of Seedling Establishment and Growth of Native Graminoids in an Alaskan Tundra Disturbance, Journal of Applied Ecology, Vol. 20, No. 3 (Dec., 1983), pp. 965-980
Gartner et al. (Thu,) studied this question.