Research Branch

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Managed stand yield tables for coastal douglas-fir: initial density and precommercial thinning

Author(s) or contact(s): K.J. Mitchell and I.R. Cameron
Source: Research Branch
Subject: Growth and Yield
Series: Land Management Report
Other details:  Published 1985. Hardcopy is available.


Managed stand yield tables are presented for second-growth stands of coastal Douglas-fir, Pseudotsuga menziesii (Mirb.) Franco, established naturally (4440 trees per hectare) or planted with 300, 500, 750, 1110, or 2500 trees per hectare. Separate tables describe the development of stands thinned to 500 or 1110 stems when 6 m tall. Conventional variables are summarized in addition to crop tree and crown parameters, and stand and stock tables. These yield statistics are produced by a biologically oriented tree and stand simulation model (TASS) calibrated to conform with the yield of remeasured plots. The yield tables are supported by site index tables, graphs of yield relationships, and a discussion of stand dynamics.

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Updated December 16, 2008