Historical Escapements -- Portage Creek

Introduction

Annual escapement, total return (all ages combined) from that escapement, and return per spawner for the major stocks within the Late Complex of Fraser River sockeye for individual years within each cycle from 1960 to 1989. 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) Portage Creek Cyclic Dominance

PORTAGE CREEK (Late 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	0	0	0	1957	40	47	1.18	1958	4,791	25,645	5.35	1959	572	5,565	9.73
1960	0	0	0	1961	23	2723	118.39	1962	11,935	72,180	6.05	1963	2,011	58,437	29.06
1964	9	624	69.33	1965	981	3,463	3.53	1966	31,343	31,339	1	1967	4,025	4,286	1.06
1968	86	1,046	12.16	1969	963	34,612	35.94	1970	3,873	58,068	14.99	1971	281	18,043	64.21
1972	190	15,283	80.44	1973	3,963	68,692	17.33	1974	8,476	41,580	4.91	1975	3,175	13,549	4.27
1976	1,042	8,042	7.72	1977	7,610	39,982	5.25	1978	9,978	111,765	11.2	1979	3,575	52,683	14.74
1980	1,800	12,225	6.79	1981	5,855	20,069	3.43	1982	23,867	211,035	8.84	1983	7,747	37,465	4.84
1984	1,551	30,535	19.69	1985	1,703	43,806	25.72	1986	14,291	96,752	6.77	1987	6,820	79,129	11.6
1988	1,068	249,057	233.2
Average	821	45,259	61.33	Average	2,642	26,674	26.35	Average	13,569	81,046	7.39	Average	3,526	33,645	17.44

Last Update: 6/20/96

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