Author:
Publisher:
ISBN:
Category : Forest insects
Languages : en
Pages : 76
Book Description
Forest Insect and Disease Conditions in Canada 1995
Author: J. Peter Hall
Publisher:
ISBN: 9780662264996
Category : Forest insects
Languages : en
Pages : 72
Book Description
Publisher:
ISBN: 9780662264996
Category : Forest insects
Languages : en
Pages : 72
Book Description
Forest Insect and Disease Conditions in Canada
Forest Insect and Disease Conditions in Canada. 1989
Author: Forest Insect and Disease Survey (Canada)
Publisher:
ISBN: 9780662197188
Category : Forest insects
Languages : en
Pages : 117
Book Description
Publisher:
ISBN: 9780662197188
Category : Forest insects
Languages : en
Pages : 117
Book Description
Forest Insect and Disease Conditions in Canada, 1991
Author: Canadian Forest Service
Publisher:
ISBN: 9780662211099
Category : Forest insects
Languages : en
Pages : 99
Book Description
Publisher:
ISBN: 9780662211099
Category : Forest insects
Languages : en
Pages : 99
Book Description
Forest Insect and Disease Conditions in Canada 1984
Author: Canadian Forestry Service
Publisher: Forest Insect and Disease Survey, Canadian Forestry Service
ISBN: 9780662139423
Category : Forest insects Canada
Languages : en
Pages : 76
Book Description
In this report, pests considered to be currently most significantin terms of their present or potential economic or environmentalimpact are described in detail under "Major Forest Insects andDiseases." Regional surveys of pests are summarized under"Special Surveys." The status of many other pests is presentedin tabular form by region under the title "Other Insects andDiseases." A section on the Acid Rain National Early WarningSystem is included.
Publisher: Forest Insect and Disease Survey, Canadian Forestry Service
ISBN: 9780662139423
Category : Forest insects Canada
Languages : en
Pages : 76
Book Description
In this report, pests considered to be currently most significantin terms of their present or potential economic or environmentalimpact are described in detail under "Major Forest Insects andDiseases." Regional surveys of pests are summarized under"Special Surveys." The status of many other pests is presentedin tabular form by region under the title "Other Insects andDiseases." A section on the Acid Rain National Early WarningSystem is included.
Forest Insect and Disease Conditions 1973
Forest Insect and Disease Conditions in the Pacific Northwest
Forest Insect and Disease Conditions in West-central Canada in 1994 and Predictions for 1995
Author: James Peter Brandt
Publisher:
ISBN:
Category : Forest insects
Languages : en
Pages : 68
Book Description
This 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.
Publisher:
ISBN:
Category : Forest insects
Languages : en
Pages : 68
Book Description
This 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.
Forest Insect and Disease Conditions in Canada. 1990
Author:
Publisher:
ISBN: 9780662208174
Category : Forest insects
Languages : en
Pages : 115
Book Description
Publisher:
ISBN: 9780662208174
Category : Forest insects
Languages : en
Pages : 115
Book Description
Forest Insect and Disease Conditions in Ontario
Author: Centre de recherches forestières des Grands Lacs
Publisher: Sault Ste. Marie, Ont. : Great Lakes Forest Research Centre
ISBN:
Category :
Languages : en
Pages : 12
Book Description
Publisher: Sault Ste. Marie, Ont. : Great Lakes Forest Research Centre
ISBN:
Category :
Languages : en
Pages : 12
Book Description