Controls on soil solution chemistry in a subalpine forest in north- central Colorado

M. A. Arthur, T. J. Fahey

Research output: Contribution to journalArticlepeer-review

58 Scopus citations

Abstract

A long-term research project was established in the Loch Vale Watershed in Rocky Mountain National Park, Colorado. Using lysimeters, the concentration and flux of major solutes in the Oie and B horizons were estimated in an old-growth forest and in an adjacent site disturbed by a snow avalanche. In the forested site, most solutes were highly concentrated during the initial stages of snowmelt. Rates of N mineralization and nitrification as well as concentrations of NO3 were higher in the second year after forest disturbance indicating a delayed nitrification response. Although precipitation inputs and theoretical mineral weathering can explain the total annual solute flux, the effects of forest soil solutes may be important during the initial stages of snowmelt and following large-scale disturbance. -from Authors

Original languageEnglish
Pages (from-to)1122-1130
Number of pages9
JournalSoil Science Society of America Journal
Volume57
Issue number4
DOIs
StatePublished - 1993

ASJC Scopus subject areas

  • Soil Science

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