Evaluating Accuracy of Tree Measurements made with Optical Instruments
Year: 1975
Type: article
Abstract: Several steps are needed to assay accuracy of optical instruments used to measure tree height and upper-stem diameter. Preliminary tests establish basic instrumental and observer accuracy under easy measuring conditions. In the forest, accuracy deteriorates because visibility is impaired. By use of controls and comparison with accurate linear measures, sources and size of most bias and blunders can be identified. Accuracy is limited by an interaction of instrument, observer, and conditions of measurement. Forest Sci. 21:421-426.
Source: Forest Science
Author: David Bruce
Institutions: US Forest Service, Pacific Northwest Research Station
Language: English
Subfield: Forestry
Domain: Life Sciences
Open Access status: hybrid
Estimated APC paid: $2,690
OpenAlex ID: W2902217217