Species at Risk Public Registry - COSEWIC Status Report on the Atlantic Wolffish (Anarhichas lupus) in Canada: Table 2

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> COSEWIC Status Report on the Atlantic Wolffish (Anarhichas lupus) in Canada: Table 2

**Table 2. Description of research surveys used in this report to determine Northern Wolffish abundance trends**.
Survey	NAFO Division	Year	Gear
Fisheries and Oceans Canada research trawl surveys
Summer surveys (Maritimes)	4V, 4W and 4X	1970–1981	Yankee 36 trawl
Summer surveys (Maritimes)	4V, 4W and 4X	1982 to present	Western IIA trawl
Northern Gulf surveys	4RS and deep areas of 4T	1990–2003	URI 81’/114’ trawl
Northern Gulf surveys	4RS and deep areas of 4T	2004 to date	Campelen trawl
Southern Gulf surveys	4T	1971–1985	Yankee trawl
Southern Gulf surveys	4T	1986 to present	Western IIA trawl
Spring surveys (Newfoundland & Labrador)	3N, 3O, 3Ps and 3L	1971–1982	Yankee 41.5 trawl
		1983–1995	Engel trawl
		1996 to present	Campelen trawl
Fall surveys (Newfoundland & Labrador)	2G, 2H, 3N, 3O, 3K and 3L	1977–1994	Engel trawl
Fall surveys (Newfoundland & Labrador)	2G, 2H, 3N, 3O, 3K and 3L	1995 to present	Campelen trawl