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Author : James Malcolm Swaine
Publisher :
ISBN 13 :
Total Pages : 156 pages
Book Rating : 4.E/5 ( download)
Download or read book Studies on the Spruce Budworm [Cacoecia Fumiferana Clem.] written by James Malcolm Swaine and published by . This book was released on 1924 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. M. Swaine
Publisher : Forgotten Books
ISBN 13 : 9781527840393
Total Pages : 154 pages
Book Rating : 4.8/5 (43 download)
Download or read book Studies on the Spruce Budworm (Cacoecia Fumiferana Clem. ) written by J. M. Swaine and published by Forgotten Books. This book was released on 2017-10-27 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Studies on the Spruce Budworm (Cacoecia Fumiferana Clem.): Part I, A General Account of the Outbreaks, Injury and Associated Insects; Part II, General Bionomics and Possibilities of Prevention and Control Insecticide Investigations; G. P. Walker, Junior Entomologist, in charge. Hemmingford, Que. Fruit Insect Investigations; C. E. Petch, Entomologist in charge. Aylmer, Que. Forest and Shade Tree Insect Investigations; C. B. Hutchings, Assistant Entomologist in charge. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author : C. J. Sanders
Publisher : Ottawa, Ont. : Canadian Forestry Service
ISBN 13 :
Total Pages : 578 pages
Book Rating : 4.:/5 (319 download)
Download or read book Recent Advances in Spruce Budworms Research written by C. J. Sanders and published by Ottawa, Ont. : Canadian Forestry Service. This book was released on 1985 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : University of Maine at Orono. School of Forest Resources
Publisher :
ISBN 13 :
Total Pages : 708 pages
Book Rating : 4.3/5 (91 download)
Download or read book Spruce Budworms Bibliography written by University of Maine at Orono. School of Forest Resources and published by . This book was released on 1979 with total page 708 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 : Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Publisher :
ISBN 13 :
Total Pages : 542 pages
Book Rating : 4.3/5 (91 download)
Download or read book U.S. Forest Service Research Paper RM. written by Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.) and published by . This book was released on 1967 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Publisher :
ISBN 13 :
Total Pages : 380 pages
Book Rating : 4.:/5 (3 download)
Download or read book USDA Forest Service Research Paper RM. written by Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.) and published by . This book was released on 1968 with total page 380 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 :
Publisher :
ISBN 13 :
Total Pages : 356 pages
Book Rating : 4.:/5 (319 download)
Download or read book Technical Bulletin written by and published by . This book was released on 1979 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : U.S. Office of Experiment Stations
Publisher :
ISBN 13 :
Total Pages : 1054 pages
Book Rating : 4.3/5 (91 download)
Download or read book Experiment Station Record written by U.S. Office of Experiment Stations and published by . This book was released on 1916 with total page 1054 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Melvin E. McKnight
Publisher :
ISBN 13 :
Total Pages : 42 pages
Book Rating : 4.:/5 (319 download)
Download or read book A Literature Review of the Spruce, Western, and 2-year-cycle Budworms written by Melvin E. McKnight and published by . This book was released on 1968 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covers 370 literature citations on the spruce (C. fumiferana (Clemens)), western (C. occidentalis Freeman), and 2-year-cycle (C. biennis Freeman) budworms through November 1967. Citations are also organized in a suject index.
Author : United States. Office of Experiment Stations
Publisher :
ISBN 13 :
Total Pages : 1038 pages
Book Rating : 4.:/5 (35 download)
Download or read book Experiment Station Record written by United States. Office of Experiment Stations and published by . This book was released on 1926 with total page 1038 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1074 pages
Book Rating : 4.:/5 (3 download)
Download or read book Technical Note written by and published by . This book was released on 1926 with total page 1074 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Marc-André Parisien
Publisher : MDPI
ISBN 13 : 3038970999
Total Pages : 342 pages
Book Rating : 4.0/5 (389 download)
Download or read book Wildland Fire, Forest Dynamics, and Their Interactions written by Marc-André Parisien and published by MDPI. This book was released on 2018-08-15 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue "Wildland Fire, Forest Dynamics, and Their Interactions" that was published in Forests
Author : Egolfs V. Bakuzis
Publisher : U of Minnesota Press
ISBN 13 : 1452909466
Total Pages : 468 pages
Book Rating : 4.4/5 (529 download)
Download or read book Balsam Fir written by Egolfs V. Bakuzis and published by U of Minnesota Press. This book was released on 1965 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ajith H. Perera
Publisher : Springer
ISBN 13 : 3319198092
Total Pages : 324 pages
Book Rating : 4.3/5 (191 download)
Download or read book Simulation Modeling of Forest Landscape Disturbances written by Ajith H. Perera and published by Springer. This book was released on 2015-07-27 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: Forest landscape disturbances are a global phenomenon. Simulation models are an important tool in understanding these broad scale processes and exploring their effects on forest ecosystems. This book contains a collection of insights from a group of ecologists who address a variety of processes: physical disturbances such as drought, wind, and fire; biological disturbances such as defoliating insects and bark beetles; anthropogenic influences; interactions among disturbances; effects of climate change on disturbances; and the recovery of forest landscapes from disturbances—all from a simulation modeling perspective. These discussions and examples offer a broad synopsis of the state of this rapidly evolving subject.
Author :
Publisher :
ISBN 13 :
Total Pages : 348 pages
Book Rating : 4.:/5 (4 download)
Download or read book Research Paper PNW. written by and published by . This book was released on 1978 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
