Ministry of Forests Forest Science Program
		Abstract for FRDA Report 235

		Historical Western Hemlock Looper Outbreaks in British Columbia: Input and Analysis Using a Geographical Information System
		Authors or Ministry Contacts: N. Parfett, I.S. Otvos and A. Van Sickle
		Branch: Research
		Subject: Pest Management
		Series: FRDA Report
		Other details: Published August 1995

Abstract

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.

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