Michael F. Gross, Michael A. Hardisky, James A. Doolittle, Vytautas Klemas, Relationships among Depth to Frozen Soil, Soil Wetness, and Vegetation Type and Biomass in Tundra near Bethel, Alaska, U.S.A., Arctic and Alpine Research, Vol. 22, No. 3 (Aug., 1990), pp. 275-282
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Gross et al. (1990) studied this question.
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