Forest Investment Account

Abstract of FII Project R04-037

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Extending the Lodgepole Pine and Interior Spruce Juvenile Height Models throughout the Interior of B.C.

Author(s): Nigh, Gordon (BC Ministry of Forests)
Subject: Forestry
Series: Forest Investment Account (FIA) - Forest Science Program

Abstract

The development of juvenile height models began with lodgepole pine and continued with interior spruce. They are useful for estimating juvenile height growth up to approximately 3 metres. The models were developed with data from the Bulkley Timber Supply Area, near Smithers, and the range of their application is limited. This project will collect stem analysis data from the interior of B.C. The existing models will be validated with these data for use across the interior and, if necessary, new models will be developed that have a broader range of application. This will provide more certainty in height predictions for young stands, including years-to-breast height and green-up ages. The models will be implemented in widely-used growth and yield systems, and consequently they will be used in timber supply analyses and for developing silviculture prescriptions. The sampling design allows for testing and modelling the height growth differences between biogeoclimatic zones.


For further information, please contact Gordon Nigh, BC Ministry of Forests - Research Branch (Gordon.Nigh@gems5.gov.bc.ca)

Updated September 08, 2005 

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