Maps of Major Forest Insect Infestations : Vancouver Forest Region, 1909-1985

Maps of Major Forest Insect Infestations : Vancouver Forest Region, 1909-1985 PDF Author: Humphreys, N
Publisher:
ISBN:
Category :
Languages : en
Pages : 27

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Maps of Major Forest Insect Infestations : Vancouver Forest Region, 1909-1985

Maps of Major Forest Insect Infestations : Vancouver Forest Region, 1909-1985 PDF Author: Humphreys, N
Publisher:
ISBN:
Category :
Languages : en
Pages : 27

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Book Description


Maps of Major Forest Insect Infestations

Maps of Major Forest Insect Infestations PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 27

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Book Description
As a compliment to the earlier history of population fluctuations and infestations of important forest insects in the Vancouver Forest Region, these maps are based on aerially visible damage as recorded in the forest insect and disease survey annual reports. Areas of infestation and numbers of dead trees are not available for some of the pre-1960 outbreaks. Insects covered include mountain pine beetle, spruce budworm, blackheaded budworm, balsam woolly aphid, Western Hemlock looper, greenstriped forest looper, and Douglas-fir tussock moth.

Forest Insect Pests in Canada

Forest Insect Pests in Canada PDF Author: John Alexander Armstrong
Publisher: Canadian Government Publishing
ISBN:
Category : Science
Languages : en
Pages : 756

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Book Description
The 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.

Forest Insect and Disease Conditions in Canada

Forest Insect and Disease Conditions in Canada PDF Author:
Publisher:
ISBN:
Category : Forest insects
Languages : en
Pages : 144

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Maps of Major Forest Insect Infestations - Nelson Forest Region 1928-1986

Maps of Major Forest Insect Infestations - Nelson Forest Region 1928-1986 PDF Author: Pacific Forestry Centre
Publisher:
ISBN:
Category :
Languages : en
Pages : 75

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Maps of Major Forest Insect Infestations - Nelson Forest Region 1928-1986

Maps of Major Forest Insect Infestations - Nelson Forest Region 1928-1986 PDF Author: Pacific Forestry Centre
Publisher:
ISBN:
Category :
Languages : en
Pages : 75

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Maps of Major Forest Insect Infestations - Kamloops Forest Region 1912-1986

Maps of Major Forest Insect Infestations - Kamloops Forest Region 1912-1986 PDF Author: Pacific Forestry Centre
Publisher:
ISBN:
Category : Forest insects
Languages : en
Pages : 75

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Maps of Major Forest Insect Infestations

Maps of Major Forest Insect Infestations PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 27

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Maps of Major Forest Insect Infestations - Cariboo Forest Region 1913-1986

Maps of Major Forest Insect Infestations - Cariboo Forest Region 1913-1986 PDF Author: Pacific Forestry Centre
Publisher:
ISBN:
Category :
Languages : en
Pages : 35

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Maps of Major Forest Insect Infestations

Maps of Major Forest Insect Infestations PDF Author: R. Turnquist
Publisher:
ISBN:
Category : Forest insects
Languages : en
Pages : 40

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Book Description