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Nutrient transport in surface runoff and interflow from an aspen-birch forestAuthor(s): D.R. Timmons; E.S. Verry; R.E. Burwell; R.F. Holt
Source: Journal of Environmental Quality. 6(2): 188-192.
Publication Series: Scientific Journal (JRNL)
Station: Northern Research Station
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DescriptionNutrients transported in surface runoff and interflow from an undisturbed aspen-birch (Populus tremuloides Michx., and Betula papyrifera Marsh.) forest (6.48 ha) in northern Minnesota were measured for 3 years. Surface runoff from snowmelt accounted for 97% of the average annual surface runoff and for 57% of the average annual water loss. Slope aspect influenced the amount, rate, and time of snowmelt runoff. In surface runoff, organic nitrogen (N) comprised 80% of the total N load, and organic (+ hydrolyzable) phosphorus (PI comprised 45% of the total P load. The quantities of cations in surface runoff were in the order of calcium (Ca) > potassium (K) > magnesium (Mg) > sodium (Na). More than 96% of all the nutrients in surface runoff were transported by snowmelt. The annual volumes of interflow varied only slightly during the 3 years. Compared with surface runoff, the amounts of all the nutrients (except Na) and their weighted concentrations decreased in interflow. These nutrient losses from the ecosystem can accumulate in surface waters.
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CitationTimmons, D.R.; Verry, E.S.; Burwell, R.E.; Holt, R.F. 1977. Nutrient transport in surface runoff and interflow from an aspen-birch forest. Journal of Environmental Quality. 6(2): 188-192.
Keywordsnitrogen, phosphorus, potassium, calcium, magnesium, sodium, COD, snowmelt
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- Ozone-induced H2O2 accumulation in field-grown aspen and birch is linked to foliar ultrastructure and peroxisomal activity
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