A COMPARISON OF AQUEOUS EXTRACTS FROM THE B HORIZON OF A BIRCH AND ASPEN FOREST IN INTERIOR ALASKA

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Abstract
Aqueous extracts of the B horizon from two forest types were fractionated on Sephadex G-25 (medium). Fractionation patterns and spectroscopic data suggest that there are different materials and different metal-organic associations between these two forest types. These observations may partially explain differences in patterns of cation cycling between birch and aspen forests located in similar sites. Aqueous extracts of the B horizon from two forest types were fractionated on Sephadex G-25 (medium). Fractionation patterns and spectroscopic data suggest that there are different materials and different metal-organic associations between these two forest types. These observations may partially explain differences in patterns of cation cycling between birch and aspen forests located in similar sites. © Williams & Wilkins 1982. All Rights Reserved.