Forest Insect and Disease Conditions in the Pacific Northwest
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Published: 1984
Total Pages: 80
ISBN-13:
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Published: 1984
Total Pages: 80
ISBN-13:
DOWNLOAD EBOOKAuthor: Sylvie Gauthier
Publisher: PUQ
Published: 2009
Total Pages: 574
ISBN-13: 2760523829
DOWNLOAD EBOOKForest Ecosystem Management. A management approach that aims to maintain healthy and resilient forest ecosystems by focusing on a reduction of differences between natural and managed landscapes to ensure long-term maintenance of ecosystem functions and thereby retain the social and economic benefits they provide to society.That is the definition of forest ecosystem management proposed in this book, which provides a summary of key ecological concepts supporting this approach. The book includes a review of major disturbance regimes that shape the natural dynamics of the boreal forest and gives examples from different Canadian boreal regions. Several projects implementing the forest ecosystem management approach are presented to illustrate the challenges created by current forestry practices and the solutions that this new approach can provide. In short, knowledge and understanding of forest dynamics can serve as a guide for forest management. Planning interventions based on natural dynamics can facilitate reconciliation between forest harvesting needs and the interests of other forest users.
Author: B. H. Moody
Publisher:
Published: 1983
Total Pages: 19
ISBN-13: 9780662125433
DOWNLOAD EBOOKAuthor: James Peter Brandt
Publisher:
Published: 1995
Total Pages: 68
ISBN-13:
DOWNLOAD EBOOKThis document summarizes forest pest conditions in Alberta, Saskatchewan, Manitoba, and the Northwest Territories and provides predictions of damage levels by major pests for the year. Major pests and abiotic factors affecting forests are discussed, as well as special surveys of young stands, aspen forests, and a forest nursery. Additional noteworthy insects, diseases, and tree damage agents are reported.
Author: James Peter Brandt
Publisher: Canadian Forest Service, Northern Forestry Centre
Published: 1995
Total Pages: 44
ISBN-13:
DOWNLOAD EBOOKDescribes the impacts caused by major forest insects (defoliators and bark beetles) and diseases (excluding those caused by fungi) to the timber resources of the Prairie Provinces and Northwest Territories in terms of wood volume losses due to tree mortality and growth reduction for the 1988-92 period. Most impacts were calculated using an automated system based on defoliation or infestation maps produced by geographic information systems and related inventory data. Results are presented for losses due to the following: spruce budworm (Choristoneura fumiferana), jack pine budworm (C. pinus pinus), forest tent caterpillar (Malacosoma disstria), large aspen tortrix (C. conflictana), bruce spanworm (Operophtera bruceata), mountain pine beetle (Dendroctonus ponderosae), spruce beetle (D. rufipennis), Douglas-fir beetle (D. pseudotsugae), Lodgepole pine dwarf mistletoe (Arceuthobium americanum), and wood decay.
Author: John Alexander Armstrong
Publisher: Canadian Government Publishing
Published: 1995
Total Pages: 756
ISBN-13:
DOWNLOAD EBOOKThe papers presented in this book cover the range of forest insect pest management activities in Canada. The first section contains papers on the current status of insect pests by region, including data on insect populations and extent of defoliation caused by the insect. The next section covers pest management technology, including the use of insecticides, insect viruses, fungal pathogens, growth regulators, antifeedants, pheromones, natural predators, and aerial spraying. The third section contains papers on the application of technology and equipment for forest pest control, and includes papers on the impacts of insecticides on the forest environment. The fourth section describes operational control programs by province. The final paper presents future strategies for the management of forest pests. An author index is included.
Author:
Publisher:
Published: 1990
Total Pages: 134
ISBN-13:
DOWNLOAD EBOOKAuthor:
Publisher:
Published: 1980
Total Pages: 426
ISBN-13:
DOWNLOAD EBOOKCovers all information reports being published by the Canadian Forestry Service.
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Publisher:
Published: 1989
Total Pages: 596
ISBN-13:
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