01931nam 2200445 a 450 991069910330332120230902161948.0(CKB)5470000002400868(OCoLC)468826353(EXLCZ)99547000000240086820091123d1994 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierMonitoring 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. PaulPortland, 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]1 online resource (23 pages) illustrations (some color)General technical report PNW ;GTR-333Title from PDF title screen (PNRS, viewed Aug. 24, 2009)."May 1994."Includes bibliographical references (pages 21-23).General technical report PNW ;333.Monitoring larval populations of the Douglas-fir tussock moth and the western spruce budworm on permanent plots Douglas fir tussock mothWestern spruce budwormTreesDiseases and pestsDouglas fir tussock moth.Western spruce budworm.TreesDiseases and pests.Mason Richard R112492Paul H. Gene1419516Pacific Northwest Research Station (Portland, Or.)GPOGPOBOOK9910699103303321Monitoring larval populations of the Douglas-fir tussock moth and the western spruce budworm on permanent plots3534298UNINA