Prism Cruising with Diameter Classes: Theoretical Considerations and Practical Recommendations
Abstract:The usual formulas for estimating tree density from prism cruise data presume that dbh has been measured exactly. In practice, trees are often tallied by diameter class using inexact measurements. Without further information, this can bias estimates of tree density, especially for trees of small diameter or trees in wide diameter classes. Here, tables of expansion factors that utilize prior information about stand diameter distribution are presented and compared with conventional methods of estimating tree density. The context of the cruise, and assumptions about the stand, have important implications for measurement and calculation protocols in prism cruising. North. J. Appl. For. 17(3):110–115.
Document Type: Miscellaneous
Affiliations: Department of Natural Resources, University of New Hampshire, Durham, NH, 03824, Phone: (603) 862-4429; Fax: (603) 862-4976 firstname.lastname@example.org
Publication date: March 1, 2000
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- Each regional journal of applied forestry focuses on research, practice, and techniques targeted to foresters and allied professionals in specific regions of the United States and Canada. The Northern Journal of Applied Forestry covers northeastern, midwestern, and boreal forests in the United States and Canada.
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