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Long-term monitoring of climatic and nutritional affects on tree growth in interior AlaskaAuthor(s): J. Yarie; K. Van Cleve
Source: Canadian Journal of Forest Research. 40: 1325-1335
Publication Series: Scientific Journal (JRNL)
Station: Pacific Northwest Research Station
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DescriptionThe comparative analysis of a large set of long-term fertilization and thinning studies in the major forest types of interior Alaska is summarized. Results indicate that nutrient limitations may only occur during the early spring growth period, after which moisture availability is the primary control of tree growth on warm sites. The temperature dynamics of both air and soil set seasonal bounds on the nutrient and moisture dynamics for all forest types. Air and soil temperature limitations are the primary control of intraseasonal growth in the colder topographic locations in interior Alaska. These locations are usually dominated by black spruce (Picea mariana (Mill.) Britton, Stems, Poggenb.) vegetation types. The seasonal progression of factors controlling growth is strongly tied to the state factor structure of the landscape.
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CitationYarie, J.; Van Cleve, K. 2010. Long-term monitoring of climatic and nutritional affects on tree growth in interior Alaska. Canadian Journal of Forest Research. 40: 1325-1335.
Keywordsnutrient limitation, temperature, moisture dynamics, tree growth, boreal forest
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