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Sequential Sampling For Douglas Fir Tussock Moth Egg Masses In British Columbia
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Book Synopsis Sequential Sampling for Douglas-fir Tussock Moth Egg Masses in British Columbia by : R. F. Shepherd
Download or read book Sequential Sampling for Douglas-fir Tussock Moth Egg Masses in British Columbia written by R. F. Shepherd and published by Canadian Forestry Service. This book was released on 1985 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sampling Methods for Forest and Shade Tree Insects of North America by :
Download or read book Sampling Methods for Forest and Shade Tree Insects of North America written by and published by . This book was released on 2001 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Report written by and published by . This book was released on 1987 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 1998 Data Bank for Kiln-dried Red Oak Lumber by : Charles J. Gatchell
Download or read book 1998 Data Bank for Kiln-dried Red Oak Lumber written by Charles J. Gatchell and published by . This book was released on 1998 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book General Technical Report NE written by and published by . This book was released on 1980 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings written by Michael L. McManus and published by . This book was released on 1998 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Detecting Suboutbreak Populations of the Douglas-fir Tussock Moth by Sequential Sampling of Early Larvae in the Lower Tree Crown by : Richard R. Mason
Download or read book Detecting Suboutbreak Populations of the Douglas-fir Tussock Moth by Sequential Sampling of Early Larvae in the Lower Tree Crown written by Richard R. Mason and published by . This book was released on 1978 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: A sequential sampling plan is described for identifying tussock moth populations which, at a maximum expected rate of increase, could be within 1 year of outbreak status. The plan uses a new technique of sampling early larvae by the nondestructive examination of lower crown foliage. Larvae at inconspicuous low densities are classified into relatively low or high categories by their frequency of occurrence on foliage samples. The sampling plan is applied independently on individual plots to classify the density of each plot. It is an appropriate method for quickly screening suboutbreak populations in ground evaluation surveys.
Book Synopsis Proceedings : Lymantriidae : a Comparison of Features of New and Old World Tussock Moths : June 26-July 1, 1988, New Haven, Connecticut by :
Download or read book Proceedings : Lymantriidae : a Comparison of Features of New and Old World Tussock Moths : June 26-July 1, 1988, New Haven, Connecticut written by and published by . This book was released on 1989 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings written by and published by . This book was released on 1989 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sequential Sampling Plans for Estimating Gypsy Moth Egg Mass Density by :
Download or read book Sequential Sampling Plans for Estimating Gypsy Moth Egg Mass Density written by and published by . This book was released on 1992 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Information Report written by and published by . This book was released on 1985 with total page 870 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Major Outbreaks of the Douglas-fir Tussock Moth in Oregon and California by : Boyd E. Wickman
Download or read book Major Outbreaks of the Douglas-fir Tussock Moth in Oregon and California written by Boyd E. Wickman and published by . This book was released on 1973 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Case histories of five tussock moth outbreaks that occurred in California and Oregon between 1935 and 1965 are discussed. Information is given on the size and duration of the outbreaks, the presence of natural control agents and the damage caused. Most of the outbreaks were eventually treated with DDT. However, enough information was available from untreated portions to show the probable trend of natural events in the absence of direct control. Repeated patterns observed in each of the outbreaks enabled certain generalizations to be made about natural population behavior and tree impact. All infestations followed a 3-year cycle with inconspicuous to minimal defoliation the first year, severe foliage loss the second year, and ultimate collapse of the population by the end of the third year. The most severe tree damage occurred in the second year. Additional loss of foliage before population collapse in the third year was usually of minor importance in terms of total impact. Although other natural factors were involved, a virus disease appeared to be the principal cause of insect mortality during collapse.
Book Synopsis User's Manual for a Computer Program for Simulating Intensively Managed Allowable Cut by : Robert W. Sassaman
Download or read book User's Manual for a Computer Program for Simulating Intensively Managed Allowable Cut written by Robert W. Sassaman and published by . This book was released on 1972 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Douglas-fir Tussock Moth by : Robert W. Campbell
Download or read book Douglas-fir Tussock Moth written by Robert W. Campbell and published by . This book was released on 1978 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: This annotated bibliography includes references to 338 papers. Each deals in some way with either the Douglas-fir tussock moth, Orgyia pseudotsugata (McDunnough), or a related species. Specifically, 210 publications and 82 unpublished documents make some reference, at least, to the Douglas-fir tussock moth; 55 are concerned with other species in the same genus. The subject matter in each paper has been indexed to at least one general topic (General, Taxonomy, Biology, Host Relationships, Outbreaks, Control, Related Material). Most of these general topics have been subdivided into more specific headings. For example, Host Relationships includes separate categories for white fir, grand fir, and Douglas-fir. A complete listing of the references in each general and specific category is presented in the index.
Book Synopsis Forecasting Outbreaks of the Douglas-fir Tussock Moth from Lower Crown Cocoon Samples by :
Download or read book Forecasting Outbreaks of the Douglas-fir Tussock Moth from Lower Crown Cocoon Samples written by and published by . This book was released on 1993 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Forest Insect and Disease Conditions in Canada by :
Download or read book Forest Insect and Disease Conditions in Canada written by and published by . This book was released on 1992 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis How to Sample Douglas-fir Tussock Moth Larvae by : Richard R. Mason
Download or read book How to Sample Douglas-fir Tussock Moth Larvae written by Richard R. Mason and published by . This book was released on 1979 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
