Research Branch

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Historical Western Hemlock Looper Outbreaks in British Columbia: Input and Analysis Using a Geographical Information System

Author(s) or contact(s): N. Parfett, I.S. Otvos, and A.V. Sickle
Source: Research Branch
Subject: Forest Health
Series: FRDA Report
Other details:  Published 1995. Hardcopy is available.


The Western Hemlock looper geographical information system in British Columbia which was developed by Natural Resources Canada, Forest Insect and Disease Surveys (FIDS) at the Pacific Forestry Centre. By bringing all historical past information into one common database, the system provides a comprehensive, spatially based historical record of western hemlock looper infestations from 1911 to 1994, separated into 14 distinct outbreaks.

FRDA Research Report 235 (3387 KB)

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Updated July 24, 2015