Monitoring larval populations of the Douglas-fir tussock moth and the western spruce budworm on permanent plots : sampling methods and statistical properties of data /
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| Format: | Government Document Microform Book |
| Language: | English |
| Published: |
Portland, Or. (333 S.W. First Ave., P.O. Box 3890, Portland 97208-3890) :
U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station,
[1994]
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| Series: | General technical report PNW ;
333. |
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| Item Description: | Cover title. Distributed to depository libraries in microfiche. Shipping list number: 94-0661-M. "May 1994." Microform. |
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| Physical Description: | 23 pages : illustrations (some color) ; 28 cm. |
| Bibliography: | Includes bibliographical references (pages 21-23). |