Historical Escapements -- Raft River

Introduction

Annual escapement, total return (all ages combined) from that escapement, and return per spawner for the major stocks within the Early Summer Complex of Fraser River sockeye for individual years within each cycle from 1960 to 1988. Please note that return to spawner ratio is the total return to escapements from four years earlier (previous cycle).

Note, published in "Fraser River Sockeye Salmon Report, 1995. Prepared by the Dept. of Fisheries and Oceans, Canada. Information based upon Pacific Salmon Commission production data.

(data) Raft River Cyclic Dominance

RAFT RIVER (Early Summer Complex)
1992 CYCLE YEAR				1993 CYCLE YEAR				1994 CYCLE YEAR			1995 CYCLE YEAR
	Number	Total	Return to		Number	Total	Return to		Number	Total	Return to		Number	Total	Return to
Brood	of	Brood	Spawner	Brood	of	Brood	Spawner	Brood	of	Brood	Spawner	Brood	of	Brood	Spawner
Year	Spawners	Return	Ratio	Year	Spawners	Return	Ratio	Year	Spawners	Return	Ratio	Year	Spawners	Return	Ratio
1956	9,037	27,140	3	1957	6,860	21,015	3.06	1958	10,214	23,143 2.27	1959	10,210	23,614	2.31
1960	5,513	16,948	3.07	1961	7,293	24,325	3.34	1962	7,613	40,549	5.33	1963	8,683	9,817	1.13
1964	5,177	48,724	9.41	1965	6,624	20,626	3.11	1966	6,244	23,539	3.77	1967	1,279	9,658	7.55
1968	8,089	106,397	13.15	1969	5,537	14,370	2.6	1970	4,462	8,860	1.99	1971	801	12,361	15.43
1972	11,048	58,837	5.33	1973	2,714	3,863	1.42	1974	2,383	7,261	3.05	1975	2,609	8,053	3.09
1976	19,085	68,137	2.3	1977	3,637	1,938	11.04	1978	2,992	3,669	7.51	1979	2,780	5,763	1.73
1980	5,418	51,723	9.55	1981	815	8,639	10.61	1982	2,992	3,669	1.23	1983	2,780	5,763	2.07
1984	19,085	68,137	3.57	1985	3,637	1,938	0.53	1986	2,095	2,254	1.08	1987	1,436	2,555	1.78
1988	19,851	36,273	1.83
Average	10,209	48,233	5.69	Average	4,262	12,699	4.46	Average	4,812	15,999	3.28	Average	3,695	9,358	4.39

Last Update: 6/24/96
This information is available for download in Excel format.

Fraser River Aboriginal Fisheries Secretariat
Technical Liaison -- Mike Galesloot
Webmaster -- Trevor Murphy
Copyright 1996.

Last modified: July 12, 1996 05:10 PM