Forester's Guide to Aerial Photo Interpretation (Classic Reprint) - Tapa blanda

Sinopsis

Excerpt from Forester's Guide to Aerial Photo Interpretation

This guide is intended as a practical reference on techniques of aerial photo interpretation in forest inventory. It'is written for the forester with a casual knowledge of aerial photography. No attempt is made to cover complex subjects like topographic mapping or operation of expensive stereo-plotting instruments. Although single prints are occasionally useful, emphasis is on ste r e o s c 0pi c interpretation of vertical aerial photog raphs available from various agencies of the U. S. Department of Agriculture (usda). Southern forest conditions are stressed, but the basic techniques are applicable in most of the United States.

With a minimum of training, the forester can use photos to de termine bearings and distances, identify broad forest types, and measure areas. Additional experience will enable him to improve the efficiency of timber cruising by distributing field samples on the basis of photo classifications. In some instances, he may even be able to estimate timber volumes directly from the photographs.

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