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Forest Insect and Disease Conditions in Canada 1992
Canadian Forest ServiceForest Insect and Disease Survey (Canada)
出版Canadian Forestry Service, Forest Insect & Disease Survey, 1994
ISBN06622234899780662223481
URLhttp://books.google.com.hk/books?id=qPBKcgAACAAJ&hl=&source=gbs_api
註釋Annual survey of forest insect and disease conditions, categorized as major forest insects and diseases, as well as individually described. Also contains information on forest health monitoring, surveys of pests, declines and stress-related disorders, monitoring systems, a regional summary, and other information on insects, diseases and damage.