Phosphorus cycling in a hardwood forest in the Adirondack Mountains, New York
1995
Zhang, Y. | Mitchell, M.J.
Total P was monitored at Huntington Forest in the Adirondack Mountains of New York from June 1986 to May 1987. Total P in precipitation from an adjacent open site was compared with throughfall, stemflow, and soil solutions collected from a hardwood stand dominated by American beech (Fagus grandifolia Ehrh.) and sugar maple (Acer saccharum Marsh.). Total P concentrations in bulk precipitation were very similar throughout the year (4.95 micromoles.L-1 in rain versus 4.93 micromoles.L-1 in snow). Total P concentration was lower in throughfall than in bulk precipitation, and P in growing season bulk throughfall (1.79 micromoles.L-1) was greater than that in the dormant season (1.00 micromoles.L-1). Total P concentrations in both throughfall and stemflow were higher under beech than maple. Phosphorus concentrations in soil solutions decreased as water passed through the soil profile. Phosphorus was tightly retained in this ecosystem except for a small loss via drainage water during spring snowmelt.
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