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Author : R. C. Brown
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.3/5 ( download)
Download or read book The Spruce Budworm written by R. C. Brown and published by . This book was released on 1944 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 86 pages
Book Rating : 4.:/5 (319 download)
Download or read book The Western Spruce Budworm Model written by and published by . This book was released on 1989 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Society of American Foresters. Region VI. Technical Conference
Publisher :
ISBN 13 :
Total Pages : 228 pages
Book Rating : 4.:/5 (319 download)
Download or read book Spruce-fir Management and Spruce Budworm written by Society of American Foresters. Region VI. Technical Conference and published by . This book was released on 1985 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 374 pages
Book Rating : 4.3/5 (555 download)
Download or read book Spruce Budworm Cooperative Program, North Central Washington written by and published by . This book was released on 1978 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dale S. Solomon
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.:/5 (319 download)
Download or read book Ten-year Impact of Spruce Budworm on Spruce-fir Forests of Maine written by Dale S. Solomon and published by . This book was released on 1992 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Clinton E. Carlson
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (31 download)
Download or read book Indexing Western Spruce Budworm Activity Through Radial Increment Analysis written by Clinton E. Carlson and published by . This book was released on 1982 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Melvin E. McKnight
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (319 download)
Download or read book Natural Mortality of the Western Spruce Budworm, Choristoneura Occidentalis, in Colorado written by Melvin E. McKnight and published by . This book was released on 1971 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 154 pages
Book Rating : 4.3/5 (555 download)
Download or read book Spruce Budworm Suppression Cooperative Project, 1973 written by and published by . This book was released on 1973 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dennis E. Ferguson
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (319 download)
Download or read book Growth of Regeneration Defoliated by Spruce Budworm in Idaho written by Dennis E. Ferguson and published by . This book was released on 1988 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David A. MacLean
Publisher : MDPI
ISBN 13 : 3039280961
Total Pages : 220 pages
Book Rating : 4.0/5 (392 download)
Download or read book Protection Strategy against Spruce Budworm written by David A. MacLean and published by MDPI. This book was released on 2020-01-15 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spruce budworm (Choristoneura fumiferana (Clem.)) outbreaks are a dominant natural disturbance in the forests of Canada and northeastern USA. Widespread, severe defoliation by this native insect results in large-scale mortality and growth reductions of spruce (Picea sp.) and balsam fir (Abies balsamea (L.) Mill.) forests, and largely determines future age–class structure and productivity. The last major spruce budworm outbreak defoliated over 58 million hectares in the 1970s–1980s, and caused 32–43 million m3/year of timber volume losses from 1978 to 1987, in Canada. Management to deal with spruce budworm outbreaks has emphasized forest protection, spraying registered insecticides to prevent defoliation and keep trees alive. Other tactics can include salvage harvesting, altering harvest schedules to remove the most susceptible stands, or reducing future susceptibility by planting or thinning. Chemical insecticides are no longer used, and protection strategies use biological insecticides Bacillus thuringiensis (B.t.) or tebufenozide, a specific insect growth regulator. Over the last five years, a $30 million research project has tested another possible management tactic, termed an ‘early intervention strategy’, aimed at area-wide management of spruce budworm populations. This includes intensive monitoring to detect ‘hot spots’ of rising budworm populations before defoliation occurs, targeted insecticide treatment to prevent spread, and detailed research into target and non-target insect effects. The objective of this Special Issue is to compile the most recent research on protection strategies against spruce budworm. A series of papers will describe results and prospects for the use of an early intervention strategy in spruce budworm and other insect management.
Author : T. Royama
Publisher : Springer Science & Business Media
ISBN 13 : 9401129169
Total Pages : 384 pages
Book Rating : 4.4/5 (11 download)
Download or read book Analytical Population Dynamics written by T. Royama and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: A knowledge of animal population dynamics is essential for the proper management of natural resources and the environment. This book, now available in paperback, develops basic concepts and a rigorous methodology for the analysis of animal population dynamics to identify the underlying mechanisms.
Author :
Publisher :
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.:/5 (319 download)
Download or read book Proceedings of a Symposium on the Spruce Budworm, November 11-14, 1974, Alexandria, Virginia written by and published by . This book was released on 1976 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Carroll B. Williams
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (319 download)
Download or read book Population Density of Western Spruce Budworm as Related to Stand Characteristics in the Bitterroot National Forest written by Carroll B. Williams and published by . This book was released on 1971 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Edward A. Johnson
Publisher : Academic Press
ISBN 13 : 0128188146
Total Pages : 564 pages
Book Rating : 4.1/5 (281 download)
Download or read book Plant Disturbance Ecology written by Edward A. Johnson and published by Academic Press. This book was released on 2020-10-21 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: Disturbance ecology continues to be an active area of research, having undergone advances in many areas in recent years. One emerging direction is the increased coupling of physical and ecological processes, in which disturbances are increasingly traced back to mechanisms that cause the disturbances themselves, such as earth surface processes, mesoscale, and larger meteorological processes, and the ecological effects of interest are increasingly physiological. Plant Disturbance Ecology, 2nd Edition encourages movement away from the informal, conceptual approach traditionally used in defining natural disturbances and clearly presents how scientists can use a multitude of approaches in plant disturbance ecology. This edition includes nine revised chapters from the first edition, as well new, more comprehensive chapters on fire disturbance and beaver disturbance. Edited by leading experts in the field, Plant Disturbance Ecology, 2nd Edition is an essential resource for scientists interested in understanding plant disturbance and ecological processes. - Advances understanding of natural disturbances by combining geophysical and ecological processes - Provides a framework for collaboration between geophysical scientists and ecologists studying natural disturbances - Includes fully updated research with 5 new chapters and revision of 11 chapters from the first edition
Author : Daniel T. Jennings
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (319 download)
Download or read book Sticky-board Trap for Measuring Dispersal of Spruce Budworm Larvae written by Daniel T. Jennings and published by . This book was released on 1983 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Martha H. Brookes
Publisher :
ISBN 13 :
Total Pages : 130 pages
Book Rating : 4.F/5 ( download)
Download or read book Managing Trees and Stands Susceptible to Western Spruce Budworm written by Martha H. Brookes and published by . This book was released on 1985 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (319 download)
Download or read book The Spruce Budworm Manual for the Lake States written by and published by . This book was released on 1983 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
