Selection of stand variables in southern Maine for making volume estimates from aerial photos

Earl J. Rogers; Gene Avery; Roy A. Chapman

Selection of stand variables in southern Maine for making volume estimates from aerial photos

Informally Refereed

Authors:

Earl J. Rogers, Gene Avery, Roy A. Chapman

Year:

1959

Type:

Forest Research Note

Station:

Northern Research Station

Source:

Forest Research Note NE-89. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 3 p.

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Abstract

Aerial photographs are used widely in forest inventories. But there is a continuing need for improving the techniques of photo interpretation and making more efficient use of photographs. When the number or intensity of sample ground plots is controlled by airphoto classifications, a reliable stratification of the timber area is a must.

Citation

Rogers, Earl J.; Avery, Gene; Chapman, Roy A. 1959. Selection of stand variables in southern Maine for making volume estimates from aerial photos. Forest Research Note NE-89. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 3 p.