A Rapid Technique for Estimating Total Surface Area of Pine Needles
A technique for estimating total surface area of pine needles was developed. Only three variables are required for calculating surface area: (1) displaced volume of the needle sample; (2) cumulative needle length of the sample; and (3) number of needles per fascicle. The technique was compared to two other commonly used methods, projection and calculation, on six species of pine representing 2-, 3-, or 5-needled pine. The technique showed good correspondence with the projection method while correspondence with calculated surface area was less than satisfactory. Further analysis indicated that the discrepancy was due to a measurement error in the calculation method and was not attributable to the newly developed technique. Forest Sci. 30:913-921.
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Keywords: Pinus spp
Document Type: Journal Article
Affiliations: Assistant Professor, Department of Forestry, School of Forest Resources and Conservation, University of Florida, Gainesville, FL 32611
Publication date: 1984-12-01
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Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
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