Photographic Interpretation of Canopy Density--A Different Approach

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Abstract:

Projecting 35 mm negatives through a microfilm reader provides a simple and inexpensive picture upon which dot counts can be made to determine canopy density. A 12-fold enlargement creates a desirable dot/area ratio because dots on the grid are small in relation to the image of foliage and branch material upon which they do or do not fall.

Document Type: Journal Article

Affiliations: Formerly Research Forester, Pacific Southwest Forest and Range Expt. Sta., Forest Service, U. S. Dept. Agric., Berkeley, Calif.; stationed at Honolulu, Hawaii

Publication date: March 1, 1969

More about this publication?
  • The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.
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