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2003 Johnstone Strait Chum Fisheries

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2003 Johnstone Strait Chum Fisheries 2015 Fraser River Stock Assessment and Fishery Summary Chinook, Coho and Chum 1 Background and Stock Assessment 2 Fraser River Chinook - Background Diverse group of populations, exhibiting a wide range of life histories, geography, and run timing Chinook enter the Fraser River from March thru October Spawning occurs throughout the Fraser, from just above the tidal limits in the Lower Fraser to the upper tributaries of the Stuart basin Juveniles exhibit both stream and ocean life history types Currently managed as five Management Units –Fraser Spring 42 Chinook –Fraser Spring 52 Chinook –Fraser Summer 52 Chinook –Fraser Summer 41 Chinook –Fraser Fall Chinook 3 2015 Fraser River Stock Assessment Chinook In-season Assessment for Fraser Spring and Summer 52 –Began the year assuming zone 1 –Spring and Summer 52 Chinook are assessed in-season with an abundance model based on catch from the Albion Test Fishery –On June 15th this in-season model generated an estimate of 48,440 chinook (FN0549). –this estimate resulted in Zone 2 management for 2015 (Zone 1 < 45K; Zone 2 = 45 to 85K; Zone 3 > 85K) 4 2015 Fraser River Stock Assessment Chinook Post-season Assessment –spawner abundance is estimated using a number of methods –mark-recapture studies – Nicola, Harrison, Lower and Mid Shuswap, Chilko –electronic counters – Bonaparte and Deadman –fence counts at Salmon River (Salmon Arm) –remaining assessments are through visual surveys (aerial, foot or float) 5 2015 Preliminary Escapements Fraser Spring 42 Chinook –improved over brood in 2015 (avg. >150% for those stocks we have info for so far), and all populations improved although some only barely. –Not as productive as in the past, and the stocks overall are at levels well below MSY. –Continued rebuilding is required before these stocks will attain MSY escapement levels. Fraser Spring 52 Chinook –Spring 52 chinook improved over brood in 2015 (avg. ~150%), although there were some populations that did poorly and others that did exceptionally well. –Not as productive as in the past. –Continued rebuilding is required for these. 6 2015 Preliminary Escapements Fraser Summer 52 Chinook –Almost all Summer 52 populations increased in spawner abundance compared to their parent brood levels, and of the surveyed systems, only Cariboo failed to show improvement over brood abundance Fraser Summer 41 Chinook - record escapements in Adams and Little River, and escapements exceeded parent brood levels for all stocks. - The aggregate escapement for the South Thompson summers exceeded 170K! 7 Escapement - Fraser Spring 42 Chinook Base Period Doubling Goal 8 Escapement - Fraser Spring 52 Chinook Base Period Doubling Goal 9 Escapement - Fraser Summer 52 Chinook Base Period Doubling Goal 10 Escapement - Fraser Summer 41 Chinook Base Period Doubling Goal 11 Escapement - Fraser Fall Chinook Escapement Goal Range 12 Fraser River Coho - Background Coho populations spawn throughout the Fraser watershed –many spawning sites in Lower Fraser River (Below Hells Gate) –Interior Fraser coho return to the Upper Fraser and Thompson Rivers (Above Hells Gate) Stream-type life history Most return as three year olds, though 10% return as 4 year olds having spent 2 years in fresh water. Coho enter the Lower Fraser River from late August to December – peak migration period for Interior Fraser Coho from early September to early October Interior Fraser Coho populations have declined dramatically from peak abundances observed in the 1980’s. 13 2015 Fraser River Stock Assessment Coho Interior Fraser Coho -very preliminary escapement estimate between 10,000 and 20,000 -decrease from 2012 parental brood escapement of ~57,000 -2014 aggregate escapement was 18,200 Lower Fraser Coho -escapement assessments are still underway -estimates are expected late February -work continues to identify a suite of systems to use for tracking annual abundance 14 Esc Geometric Mean of IFC Escapement 10 10,0 20,0 30,0 40,0 50,0 60,0 70,0 80,0 90,0 0 , a 0 00 0 0 0 0 0 0 0 0 0 - 0 0 0 0 0 0 0 0 0 pem 1977 1978 1979 1980 e 1981 1982 n 1983 t 1984 3 Coh - 1985 Y e 1986 ar 1987 G eom 1988 R e o 1989 l a e 1990 ti tric v - 1991 e t Mean 1992 o 201 1993 I F Return 1994 C 15 R of 1995 T B Year 1996 I 5 en n 1997 t e chma r 1998 ior i IFCRT IFCRT IFCRT Short Term Recovery Objective 3 s very 1999 - year Geometric year Geometric IFC Mean of Escapement F r 2000 r k as Lo 2001 s ng e r 2002 T Coho 2003 erm 2004 R e 2005 co v e 2006 preli ry 2007 O b j 2008 e 2009 ctive 2010 2011 m 2012 2013 inary 2014 2015 Pr Number of Coho e 25 30 100,000 150,000 200,000 350,000 400,000 50,000 - 0 0 fi , , 0 0 00 00 s her 1975 1976 Return Year Return 1977 1978 y 1979 Abunda 1980 1981 1982 1983 1984 1985 of Escapement Spawning and Abundance Total 1986 n 1987 1975 Coho River Fraser Interior 1988 ce 1989 1990 1991 - 16 1992 Interio 1993 1994 1995 1996 1997 1998 1999 r 2000 Fra 2001 - 2002 2015 T S pa ot 2003 s a w l n e 2004 A i b n unda g 2005 r E s 2006 cap n Rive 2007 c e e 2008 m e 2009 nt 2010 2011 r 2012 2013 Coho 2014 2015 Fraser River Chum - Background Largest chum population in British Columbia - two Conservation Units (Lower Fraser and Fraser Canyon) - managed as a single aggregate for setting TAC Escapement goal is 800,000 Return to Fraser from September through November - recent year peak migration mid/late-October Major spawning areas are below Hope - Harrison/Weaver/Chehalis, Chilliwack/Vedder, Stave Enhancement - Weaver spawning channels, Inch Creek, Chilliwack, and Chehalis hatcheries - production relatively consistent over the last 10 years - proportion of fed fry decreased in the last decade, but has been increased in recent years 17 2015 Fraser River Chum Managed based on in-season information derived from the Albion test fishery 2015 in-season assessment –October 20th preliminary run size estimate of 1.5 million –October 22ndth run size estimate was 1.78 million Post-season assessment (escapement) –2015 escapement assessments are still underway – no preliminary estimates available 18 2015 Fraser River Fishery Summary 19 Please note that the term “Lower Fraser” is meant to include the Fraser River mainstem below Sawmill Creek and tributaries to the Lower Fraser River, where applicable. 20 2015 Fraser River Fisheries - Commercial Directed chum fisheries in-river if a commercial TAC is identified – constraints due to co-migrating stocks of concern • IFR Coho • IFR Steelhead Area B Fraser River Chum/Pink Fisheries – Unsuccessful pink fishery (27 pink, 5 coho, 21 chinook) – Limited Chum success, harvest of 4,513 Chum – 56 Coho released Area E Fraser River Chum Fishery – harvest of 125,463 chum – retained bycatch of 104 chinook, 4 hatchery marked coho and 1 steelhead – 129 Chinook, 730 coho, and 21 steelhead were released 21 2015 Fraser River Catch Commercial and Demonstration Commercial Chinook Coho Chum kept rel kept rel kept rel Area E Chum directed 104 129 4 730 125,463 67 Area B Pink Directed - 21 - 5 - - Chum Directed - - - 51 4,513 - 22 2015 Fraser River Fisheries - Recreational Chinook management actions in Region 2 (Lower Mainland) •January 1 to August 2, no fishing for salmon. •August 3 to August 14, the daily limit was four chinook per day with only one over 50 cm allowed to be retained. •August 15 to August 28, no fishing for salmon. This management measure was in place due to high water temperatures and concerns with potential impacts to co-migrating sockeye salmon. •August 29 to December 31 the daily limit for wild or hatchery marked chinook salmon was four with only one over 62 cm allowed to be retained. 23 2015 Fraser River Fisheries - Recreational Chinook management actions in Region 3 (Thompson-Nicola) Fisheries in Region 3 generally target a specific stock group and are short duration opportunities designed to avoid impacts on non-target stocks. Areas not specifically mentioned are closed to fishing for salmon year-round. A closure to all salmon fishing was implemented on July 22 due to high water temperatures. Limited fisheries reopened once the water temps dropped. Fisheries targeting Sp/Sum 52 stocks –Clearwater and North Thompson Rivers catch and release July 16 to July 21, then closed, then August 7 to Aug 21, one Chinook per day from (monthly limit of 2). –Fraser River at Bridge River open Sunday through Thursday from June 16 to July 2; 1 per day Fisheries targeting Summer 41 stocks –Thompson River Goldpan to the Fraser Aug. 29 to Sept. 22, 4 per day, none > 50 cm –Kamloops Lake And Thompson River downstream to Goldpan Aug 28 to Sept. 22, 4 per day, 1 > 50 cm –South Thompson River Aug 22 to Sept 22, 4 per day, 2 > 50 cm 24 2015 Fraser River Fisheries - Recreational Chinook management actions in Region 5A and 7 (Cariboo/Peace) All fisheries in these Regions target Spring or Summer 52 Chinook One Chinook per day, none > 77 cm in the following areas and times: –Bowron River: July 15 to Aug 15 –Cariboo and Chilko Rivers: July 25 to Aug 16 –Nechako River: Aug 15 to Aug 27 –Quesnel River: July 15 to Sept 1 Chinook management actions in Region 8 (Okanagan) These fisheries target Summer 41 Chinook with some measures in place to avoid Bessette Spring 42 stocks. Areas not specifically mentioned are closed to fishing for salmon year round.
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