1.

Record Nr.

UNINA9910699103303321

Autore

Mason Richard R

Titolo

Monitoring larval populations of the Douglas-fir tussock moth and the western spruce budworm on permanent plots [[electronic resource] ] : sampling methods and statistical properties of data / / A.R. Mason and H.G. Paul

Pubbl/distr/stampa

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]

Descrizione fisica

1 online resource (23 pages) : illustrations (some color)

Collana

General technical report PNW ; ; GTR-333

Altri autori (Persone)

PaulH. Gene

Soggetti

Douglas fir tussock moth

Western spruce budworm

Trees - Diseases and pests

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Title from PDF title screen (PNRS, viewed Aug. 24, 2009).

"May 1994."

Nota di bibliografia

Includes bibliographical references (pages 21-23).