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Notes: Nitrogen Concentrations in Biomass Components of White Spruce Seedlings in Interior Alaska

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Nitrogen concentrations were determined for biomass components of white spruce (Picea glauca [Moench.] Voss) seedlings growing beneath a mature spruce stand and in adjacent cleared areas. Nitrogen concentrations were significantly higher in current needles and roots of seedlings from the clearcut areas. Nitrogen uptake into current needles of seedlings was also significantly increased by harvesting. Root/shoot data generally reflected the more abundant resources (light, water, nutrients) often found in cleared forest areas. There is a potential for using seedlings as a nutrient bioassay indicative of site nutrient regime. For. Sci. 33(4):1075-1080.

Keywords: Alaska; White spruce seedlings; nitrogen concentration; timber harvesting

Document Type: Miscellaneous

Affiliations: Director, Forest Soils Laboratory, University of Alaska, Fairbanks, AK, 99702

Publication date: December 1, 1987

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