Sampling low density populations of the Douglas-fir tussock moth by frequency of occurrence in the lower tree crown /
Richard R. Mason.

Description

Main Author

Mason, Richard R.

Related Names

United States. Forest Service
Pacific Northwest Forest and Range Experiment Station (Portland, Or.)

Language(s)

English

Published

Portland, Or. : Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1977.

Subjects

Douglas fir tussock moth.

Note

Cover title.

Physical Description

8 p. : ill. ; 27 cm.

ISBN

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