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Three scales of aerial photography compared for making stand measurementsAuthor(s): Earl J. Rogers; Gene Avery; Roy A. Chapman
Source: Forest Research Note NE-88. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 4 p.
Publication Series: Forest Research Note
Station: Northeastern Research Station
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DescriptionThree scales of aerial photography were tested in an attempt to determine the best scale to use in forest surveying. This was done by comparing photo measurements of average tree height, average crown diameter, and crown-closure percent. These stand variables were selected for testing because of their applicability in making aerial estimates of timber volume.
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CitationRogers, Earl J.; Avery, Gene; Chapman, Roy A. 1959. Three scales of aerial photography compared for making stand measurements. Forest Research Note NE-88. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 4 p.
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