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Notes: Evaluating Forest Vegetative Cover with Computerized Analysis of Fisheye Photographs

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A versatile, computerized system for expediting analysis of fisheye photos of forest and shrub canopy conditions was developed and refined. The materials necessary for taking and analyzing fisheye photos are readily available and the methods easily learned. Although the equipment required (camera, fisheye lens, microcomputer, and related accessories) has a relatively high fixed cost, the efficiency and accuracy gained may justify implementing the system, particularly if large numbers of photos must be processed. Computerized fisheye photographic analysis is a practical tool for assessing and documenting forest vegetative cover and its implications for the radiation environment of understory plants. Forest Sci. 32:1085-1091.
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Keywords: Hemispherical photography; forest vegetation management; overstory-understory relationships; probability of diffuse radiation

Document Type: Miscellaneous

Affiliations: Research Forester, USDA Forest Service, PNW Forestry Sciences Laboratory, Corvallis, OR 97331

Publication date: 1986-12-01

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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.
    Forest Science is published bimonthly in February, April, June, August, October, and December.

    2016 Impact Factor: 1.782 (Rank 17/64 in forestry)

    Average time from submission to first decision: 62.5 days*
    June 1, 2016 to Feb. 28, 2017

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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