This field guide insert presents the growth intercept models and tables available for use in coastal regions of British Columbia. Included are growth intercept models and tables for: Species - Code - Reference - Revised Western Hemlock - Hw - Nigh (1996) - Oct. 1997 Sitka Spruce - Ss - Nigh (1996) - Oct. 1997 Douglas-fir - Fd - Nigh (1997) - Oct. 1997 The Options section notes any options and alternative models or model formulations, and provides references that are available from the above address. The tables are designed for rough estimation of site index in the field. The formulation or the appropriate publication should be consulted for accurate site index determination. The arbitrary range of site index in the tables is 10-50 m. The tables are in a common format for consistency among species and do not necessarily represent the range of site indices found in the model development data. Site index is based on top height and a reference age of 50 years (breast height) for all species. Estimates of growth intercept and site index that are beyond the range of the data used in the analyses (given in the Notes section for each species) should be interpreted with caution.
Nigh, G.D.. 2008. Growth intercept models and tables for British Columbia - coastal species: third edition. British Columbia Ministry of Forests, Lands, Natural Resource Operations and Rural Development. Field Guide Insert (FLNRORD). FGI9
Topic: FLNRORD Research Program
Keywords: Growth, Yield
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