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Forests 2010, 1(1), 25-48; doi:10.3390/f1010025
Article

Yield Implications of Site Preparation Treatments for Lodgepole Pine and White Spruce in Northern British Columbia

1,* , 1
, 2
 and 2
1 Department of Renewable Resources, University of Alberta, 751 General Services Building, Edmonton, AB, T6G 2H1 Canada 2 Forest Practices Branch, B.C. Ministry of Forests and Range, PO Box 9513 Stn. Prov. Govt.,Victoria, BC, V8W 9C2 Canada
* Author to whom correspondence should be addressed.
Received: 10 February 2010 / Accepted: 12 March 2010 / Published: 15 March 2010
(This article belongs to the Special Issue Feature Papers)
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Abstract

We evaluated the effects of site preparation treatments on growth of lodgepole pine and white spruce in north-eastern British Columbia, Canada. These treatments can provide yield gains of up to 10 percent for lodgepole pine and white spruce at 60 and 80 years, respectively (estimated using TASS). Stands of these two species are showing a Type 1 response. Using growth multipliers, based on measurements collected at ages 10 to 20 results in inflated estimates of potential yield responses while the age-shift method provides the most appropriate estimates of yield gains when measured during the first 20 years of growth.
Keywords: growth models; age-shift method; growth multiplier; site index; site preparation; vegetation control; conifer growth growth models; age-shift method; growth multiplier; site index; site preparation; vegetation control; conifer growth
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Cortini, F.; Comeau, P.G.; Boateng, J.O.; Bedford, L. Yield Implications of Site Preparation Treatments for Lodgepole Pine and White Spruce in Northern British Columbia. Forests 2010, 1, 25-48.

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