|Forest Investment Account|
|Abstract of FII Project R2003-218|
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A novel method for assessing the nutritional status of western hemlock.
|Author(s): Guy, Robert D. (University of British Columbia)||Subject: Chemistry/biochemistry, Physiology, Silviculture/Forest Management Systems||Series: Forest Investment Account (FIA) - Forest Science Program|
Western hemlock (Tsuga heterophylla) is one of the most important tree species in coastal management units facing reductions in wood supply. Forest fertilization is a proven method to enhance the productivity of many conifer species. However, operational fertilization of western hemlock is not currently an option as foresters lack the necessary tools to distinguish stands that will respond to fertilization from stands that will not respond. New research is proposed to determine if the isotopic composition of carbon within foliage and stemwood can be used by foresters to assess the nutritional status of this species and to predict response to fertilization. While this technique represents a marked departure from current approaches, preliminary research indicates that it holds much promise.
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Updated September 08, 2005
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