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Forest Insect and Disease Conditions in Canada

Forest Insect and Disease Conditions in Canada PDF Author:
Publisher:
ISBN:
Category : Forest insects
Languages : en
Pages : 134

Book Description

Forest Insect and Disease Conditions in Canada

Forest Insect and Disease Conditions in Canada PDF Author:
Publisher:
ISBN:
Category : Forest insects
Languages : en
Pages : 134

Book Description

Information Report

Information Report PDF Author:
Publisher:
ISBN:
Category : Forest management
Languages : en
Pages : 712

Book Description

Digest Des Rapports D'information

Digest Des Rapports D'information PDF Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 220

Book Description

Forest Insect and Disease Conditions in the Pacific Northwest

Forest Insect and Disease Conditions in the Pacific Northwest PDF Author:
Publisher:
ISBN:
Category : Forest insects
Languages : en
Pages : 80

Book Description

Abrégé Des Publications

Abrégé Des Publications PDF Author: Canada. Forestry Canada
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 164

Book Description

Spruce Budworms Bibliography, 1986-1990

Spruce Budworms Bibliography, 1986-1990 PDF Author: Lucinda M. White
Publisher:
ISBN:
Category : Choristoneura
Languages : en
Pages : 76

Book Description

The Forestry Chronicle

The Forestry Chronicle PDF Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 734

Book Description

Government Reports Annual Index

Government Reports Annual Index PDF Author:
Publisher:
ISBN:
Category : Research
Languages : en
Pages : 1828

Book Description
Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.

New Serial Titles

New Serial Titles PDF Author:
Publisher:
ISBN:
Category : Periodicals
Languages : en
Pages : 1852

Book Description
A union list of serials commencing publication after Dec. 31, 1949.

Forest Insect- and Disease-caused Impacts to Timber Resources of West-central Canada, 1988-1992

Forest Insect- and Disease-caused Impacts to Timber Resources of West-central Canada, 1988-1992 PDF Author: James Peter Brandt
Publisher: Canadian Forest Service, Northern Forestry Centre
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 44

Book Description
Describes 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.
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