Year
Mean weight at age (kg)
1980 1985 1990 1995 2000 2005
0.00.51.01.52.0 Age
1 2 3 4 5 6 7 8
Figure 4.1.3 Haddock in Division VIa. Mean weights-at-age (kg) in total catch (also used for stock weights). Dotted lines show loess smoother fitted through each time-series at age.
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Landings
Year
Mean weight at age (kg)
1980 1985 1990 1995 2000 2005
0.00.51.01.52.0 Age
1 2 3 4 5 6 7 8
Figure 4.1.4 Haddock in Division VIa. Mean weights-at-age (kg) in landings for human consumption. Dotted lines show loess smoother fitted through each time-series at age.
Discards
Year
Mean weight at age (kg)
1980 1985 1990 1995 2000 2005
0.00.51.01.52.0 Age
1 2 3 4
Figure 4.1.5 Haddock in Division VIa. Mean weights-at-age (kg) in discards (ages 1 4 only). Dotted lines show loess smoother fitted through each time-series at age.
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1980 1985 1990 1995 2000 2005
Year
1985 1990 1995 2000 2005
-3.5
1980 1985 1990 1995 2000 2005
Year-class
1980 1985 1990 1995 2000 2005
Year
1985 1990 1995 2000 2005
Year
1985 1990 1995 2000 2005
Figure 4.1.6. Haddock in Division VIa. Mean-standardised log survey indices, plotted by age and year-class (left plot), and age and year (right plot). Scottish groundfish survey (SCOGFS), Scottish quarter 4 survey (SCOQ4) and Irish West Coast groundfish survey (IREGFS).
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-7 -6 -5 -4 -3 -2 -1 0 1 2
Log index
SCOGFS
Year
1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006 -7
-6 -5 -4 -3 -2 -1 0 1 2
Log index
IREGFS
-7 -6 -5 -4 -3 -2 -1 0 1 2
Log index
SCOQ4
-7 -6 -5 -4 -3 -2 -1 0 1 2
Log index
SCOGFS
Year
1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006 -7
-6 -5 -4 -3 -2 -1 0 1 2
Log index
IREGFS
Year
1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006 -7
-6 -5 -4 -3 -2 -1 0 1 2
Log index
IREGFS
-7 -6 -5 -4 -3 -2 -1 0 1 2
Log index
SCOQ4
Figure 4.1.7. Haddock in Division VIa. Catch curves (log abundance indices for each cohort) for ScoGFS, ScoQ4 and IREGFS.
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SCOGFS: Comparative scatterplots at age
Figure 4.1.8. Haddock in Division VIa. Pairwise scatterplots of log ScoGFS (top) and ScoQ4 (bottom) survey indices at age, for ages 1 7 and 1-5 respectively. Lines give least-squares linear regression fits with approx. pointwise 95%
confidence intervals.
SCOQ4: Comparative scatterplots at age
1 1
SCOQ4: Comparative scatterplots at age
1 2
SCOQ4: Comparative scatterplots at age
Figure 4.1.8. Haddock in Division VIa. Pairwise scatterplots of log ScoGFS (top) and ScoQ4 (bottom) survey indices at age, for ages 1 7 and 1-5 respectively. Lines give least-squares linear regression fits with approx. pointwise 95%
confidence intervals.
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IREGFS: Comparative scatterplots at age
Figure 4.1.8 contd. Haddock in Division VIa. Pairwise scatterplots of log IREGFS survey indices at age, for ages 1 7. Lines give least-squares linear regression fits with approx. pointwise 95% confidence intervals.
ICES WGNSDS Report 2006
1985 1990 1995 2000 2005
-2
1985 1990 1995 2000 2005
Year
1985 1990 1995 2000 2005
-2
Figure 4.1.9. Haddock in Division VIa. Plots of Residuals from SURBA analysis using all three surveys combined:
SCOGFS, SCOQ4 and IREGFS.
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1985 1990 1995 2000 2005
-1.5
1985 1990 1995 2000 2005
Year
1985 1990 1995 2000 2005
Figure 4.1.10. Haddock in Division VIa. Plots of Residuals from SURBA analysis using the two Scottish surveys combined: SCOGFS and SCOQ4.
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Mean Z
0.00.51.01.52.0
Ref. age 2 Ref. age 3 Ref. age 4 Ref. age 5 Ref. age 6
Recruitment
01234
TSB
1985 1990 1995 2000 2005
0.00.51.01.5
SSB
1985 1990 1995 2000 2005
0.00.51.01.5
Mean Z
0.00.51.01.52.0
Ref. age 2 Ref. age 3 Ref. age 4 Ref. age 5 Ref. age 6
Recruitment
01234
TSB
1985 1990 1995 2000 2005
0.00.51.01.5
SSB
1985 1990 1995 2000 2005
0.00.51.01.5
Figure 4.1.11. Haddock in Division VIa. Summary plots for dual survey run of SURBA scanning through options of reference age = 2, 3, 4, 5 and 6. Shaded area indicates estimates of precision from single run at default reference age
= 4.
0.00.51.01.52.0
Lambda 0 Lambda 0.5 Lambda 1 Lambda 2 Lambda 3
01234
1985 1990 1995 2000 2005
0.00.51.01.5
1985 1990 1995 2000 2005
0.00.51.01.5
Mean Z Recruitment
TSB SSB
0.00.51.01.52.0
Lambda 0 Lambda 0.5 Lambda 1 Lambda 2 Lambda 3
01234
1985 1990 1995 2000 2005
0.00.51.01.5
1985 1990 1995 2000 2005
0.00.51.01.5
Mean Z Recruitment
TSB SSB
Fig Figure 4.1.12. Haddock in Division VIa. Summary plots for dual survey run of SURBA scanning through options of lambda = 0, 0.5, 1, 2 and 3. Shaded area indicates estimates of precision from single run at default lambda = 1.
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0.00.51.01.52.0
q1 1 q1 0.5 q1 0.1
01234
1985 1990 1995 2000 2005
0.00.51.01.52.02.53.0
1985 1990 1995 2000 2005
0.00.51.01.52.0
Mean Z Recruitment
TSB SSB
0.00.51.01.52.0
q1 1 q1 0.5 q1 0.1
01234
1985 1990 1995 2000 2005
0.00.51.01.52.02.53.0
1985 1990 1995 2000 2005
0.00.51.01.52.0
Mean Z Recruitment
TSB SSB
Figure 4.1.13. Haddock in Division VIa. Summary plots for dual survey run of SURBA scanning through options of catchability at age 1 = 1, 0.5 and 0.1. Shaded area indicates estimates of precision from single run at default reference age = 4.
ICES WGNSDS Report 2006
1985 1990 1995 2000 2005
Year
Mean-standardisedrecruitment at age 1
Recruitment
1985 1990 1995 2000 2005
0
1985 1990 1995 2000 2005
Year
Mean-standardisedrecruitment at age 1
Recruitment
1985 1990 1995 2000 2005
0
Figure 4.1.14. Haddock in Division VIa. Summary of SURBA run using both the SCOGFS and SCOQ4 surveys. Stcok summaries. Top row: fitted temporal trends, estimated mean Z
2-6 and relative SSB. Bottom row: age effects, relative total stock biomass and relative recruitment.
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1985 1990 1995 2000 2005
Year
Mean-standardisedrecruitment at age 1
1985 1990 1995 2000 2005
Mean Z
1985 1990 1995 2000 2005
Year
Mean-standardisedrecruitment at age 1
1985 1990 1995 2000 2005
0
1985 1990 1995 2000 2005
Year
Mean-standardisedrecruitment at age 1
1985 1990 1995 2000 2005
Year
1985 1990 1995 2000 2005
Year
Mean-standardisedrecruitment at age 1
1985 1990 1995 2000 2005
Mean Z
total catch (thousand t)
1980 1990 2000
recruitment at age 1 (millions)
1980 1990 2000
0.0 0.5 1.0
mean fishing mortality (ages 2-6)
1980 1990 2000
spawning stock biomass (thousand t)
1980 1990 2000
Total catch Landings Discards
Recruits F(2-6) SSB
total catch (thousand t)
1980 1990 2000
recruitment at age 1 (millions)
1980 1990 2000
0.0 0.5 1.0
mean fishing mortality (ages 2-6)
1980 1990 2000
spawning stock biomass (thousand t)
1980 1990 2000
total catch (thousand t)
1980 1990 2000
recruitment at age 1 (millions)
1980 1990 2000
0.0 0.5 1.0
mean fishing mortality (ages 2-6)
1980 1990 2000
spawning stock biomass (thousand t)
1980 1990 2000
Total catch Landings Discards
Recruits F(2-6) SSB
Figure 4.1.16 Haddock in Division VIa. TSA stock summary from run with 2006 SPALY run (catch & discard from 1995-2005 not fitted, SCOGFS only and no survey trend). Estimates are plotted with approximate pointwise 95%
confidence bounds. The dotted vertical line on each graph show the last year of available catch data.
ICES WGNSDS Report 2006
total catch (thousand t)
1980 1990 2000
recruitment at age 1 (millions)
1980 1990 2000
0.0 0.5 1.0
mean fishing mortality (ages 2-6)
1980 1990 2000
spawning stock biomass (thousand t)
1980 1990 2000
Total catch Landings Discards
Recruits F(2-6) SSB
total catch (thousand t)
1980 1990 2000
recruitment at age 1 (millions)
1980 1990 2000
0.0 0.5 1.0
mean fishing mortality (ages 2-6)
1980 1990 2000
spawning stock biomass (thousand t)
1980 1990 2000
Total catch Landings Discards
Recruits F(2-6) SSB
Figure 4.1.17 Haddock in Division VIa. TSA stock summary from the 2005 assessment (catch & discard from 1995-2005 not fitted, SCOGFS only and no survey trend). Estimates are plotted with approximate pointwise 95%
confidence bounds. The dotted vertical line on each graph show the last year of available catch data.
age 1 age 2
haddock ScoQ4 standardisedprediction errors
-4
haddock ScoQ4 standardisedprediction errors
-4 0 4
Figure 4.1.18. Haddock Via. Standardised prediction errors by age for the SCOQ4 survey, from the first TSA run with two Scottish trawl surveys. The two points at Age 3 (2003 and 2002; open symbols), were subsequently downweighted in the final TSA run (see Figure 4.1.19 below).
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age 1 age 2
age 3
2000 2005
age 4
2000 2005
age 5
2000 2005
year
haddock ScoQ4 standardisedprediction errors
-4 0 4
-4 0 4
age 1 age 2
age 3
2000 2005
age 4
2000 2005
age 5
2000 2005
year
haddock ScoQ4 standardisedprediction errors
-4 0 4
-4 0 4
Figure 4.1.19. Haddock in Division VIa. Standardised SCOQ4 survey prediction errors by age from final TSA run (missing catch 1995 2005, two surveys & no survey trend). The two points at Age 3 (2003 and 2002; open symbols), were downweighted.
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Figure 4.1.20. Haddock in Division VIa. Standardised landings prediction errors by age from final TSA run (missing catch 1995 2005, two surveys & no survey trend).
Figure 4.1.21. Haddock in Division VIa. Standardised discard prediction errors by age from final TSA run (missing catch 1995 2005, two surveys & no survey trend).
-4 0 4
age 1
-4 0 4
age 2
1980 1985 1990
age 3
1980 1985 1990
age 4
1980 1985 1990
year
haddock discards standardised prediction errors
-4 0 4
age 1 age 2
-4 0 4
age 3 age 4 age 5
-4 0 4
age 6
1980 1985 1990
age 7
1980 1985 1990
age 8
1980 1985 1990
year
haddock landings standardised prediction errors
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Figure 4.1.22. Haddock in Division VIa. Standardised SCOGFS survey prediction errors by age from final TSA run (missing catch 1995 2005, two surveys & no survey trend).
-4 0 4
age 1
-4 0 4
age 2 age 3 age 4
-4 0 4
age 5
1985 1990 1995 2000 2005
age 6
1985 1990 1995 2000 2005
age 7
1985 1990 1995 2000 2005
year
haddock SGFS standardised prediction errors
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156
0.0 0.5 1.0
1978
1 2 3 4
1979
1 2 3 4
1980
1 2 3 4
1981
1 2 3 4
1982
1 2 3 4
1983
1 2 3 4
1984
1 2 3 4
0.0 0.5 1.0
1985 1986 1987 1988 1989 1990 1991
0.0 0.5 1.0
1992 1993 1994 1995 1996 1997 1998
0.0 0.5 1.0
1999 2000 2001 2002 2003 2004 2005
age
proportion discarded
Figure 4.1.23. Haddock in Division VIa. Fitted discard ogives from final TSA run (missing catch 1995 2005 two surveys & no survey trend). Points show observed discard proportions at age.
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Figure 4.1.24. Haddock in Division VIa. TSA stock-recruitment scatterplot from final run (missing catch 1995 2005, two surveys & no survey trend). Line gives TSA-estimated Ricker curve. Labels denote year-classes.
spawning stock biomass (thousand t)
recruitment at age 1 (millions)
78 79
80 81
82 83
8584 86
88 87 89 90
91 92
93 94
95 96 97
98 99
00
01
02
04 03 05
0 20 40 60 80 100
0 100 200 300 400 500 600
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Total catch Landings Discards
Recruits F(2-6) SSB
total catch (thousand t)
1980 1990 2000
recruitment at age 1 (millions)
1980 1990 2000
0.0 0.5 1.0
mean fishing mortality (ages 2-6)
1980 1990 2000
spawning stock biomass (thousand t)
1980 1990 2000
total catch (thousand t)
1980 1990 2000
recruitment at age 1 (millions)
1980 1990 2000
0.0 0.5 1.0
mean fishing mortality (ages 2-6)
1980 1990 2000
spawning stock biomass (thousand t)
1980 1990 2000
Figure 4.1.25. Haddock in Division VIa. TSA stock summary from final run (missing 1995 2005 catch, two surveys & no survey trend). Estimates are plotted with approximate pointwise 95% confidence bounds. The dotted vertical line on each graph shows the last year of available catch data.
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1975 1980 1985 1990 1995 2000 2005 2010
Year
1975 1980 1985 1990 1995 2000 2005 2010
Year
1975 1980 1985 1990 1995 2000 2005 2010
Year
1975 1980 1985 1990 1995 2000 2005 2010
Year
1975 1980 1985 1990 1995 2000 2005 2010
Year
1975 1980 1985 1990 1995 2000 2005 2010
Year
1975 1980 1985 1990 1995 2000 2005 2010
Year
1975 1980 1985 1990 1995 2000 2005 2010
Year
Mean standardised values
SURBA TSA
Figure 4.1.26. Haddock in Division VIa. Stock summary plots from final TSA run and final SURBA run.
160 ICES WGNSDS Report 2006
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8
1978 1983 1988 1993 1998 2003
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8
1978 1983 1988 1993 1998 2003
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8
1978 1983 1988 1993 1998 2003
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8
1978 1983 1988 1993 1998 2003
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8
1978 1983 1988 1993 1998 2003
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8
1978 1983 1988 1993 1998 2003
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8
1978 1983 1988 1993 1998 2003
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8
1978 1983 1988 1993 1998 2003
Figure 4.1.27. Haddock in Division VIa. Retrospective estimates of mean F2 6 from final TSA run (catch &
discards from 1995 2003 not fitted to model & no survey trend). The thick line is the current assessment, the thin lines are the retrospective estimates, and the dotted lines are upper and lower approximate pointwise 95%
confidence intervals for the retrospective estimates. All estimates are compared in the final plot.
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1978 1983 1988 1993 1998 2003
0.0E+00
1978 1983 1988 1993 1998 2003
0.0E+00
1978 1983 1988 1993 1998 2003
0.0E+00
1978 1983 1988 1993 1998 2003
0.0E+00
1978 1983 1988 1993 1998 2003
0.0E+00
1978 1983 1988 1993 1998 2003
0.0E+00
1978 1983 1988 1993 1998 2003
0.0E+00
1978 1983 1988 1993 1998 2003
0.0E+00
1978 1983 1988 1993 1998 2003
0.0E+00
1978 1983 1988 1993 1998 2003
0.0E+00
1978 1983 1988 1993 1998 2003
0.0E+00
1978 1983 1988 1993 1998 2003
0.0E+00
1978 1983 1988 1993 1998 2003
0.0E+00
1978 1983 1988 1993 1998 2003
0.0E+00
1978 1983 1988 1993 1998 2003
0.0E+00
1978 1983 1988 1993 1998 2003
Figure 4.1.28. Haddock in Division VIa. Retrospective estimates of SSB from final TSA run (catch & discards from 1995 2003 not fitted to model & no survey trend). The thick line is the current assessment, the thin lines are the retrospective estimates, and the dotted lines are upper and lower approximate pointwise 95% confidence intervals for the retrospective estimates. All estimates are compared in the final plot.
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1978 1983 1988 1993 1998 2003
0 200 400 600 800
1978 1983 1988 1993 1998 2003
0 200 400 600 800
1978 1983 1988 1993 1998 2003
0 200 400 600 800
1978 1983 1988 1993 1998 2003
0 200 400 600 800
1978 1983 1988 1993 1998 2003
0 200 400 600 800
1978 1983 1988 1993 1998 2003
0 200 400 600 800
1978 1983 1988 1993 1998 2003
0 200 400 600 800
1978 1983 1988 1993 1998 2003
0 200 400 600 800
1978 1983 1988 1993 1998 2003
0 200 400 600 800
1978 1983 1988 1993 1998 2003
0 200 400 600 800
1978 1983 1988 1993 1998 2003
0 200 400 600 800
1978 1983 1988 1993 1998 2003
0 200 400 600 800
1978 1983 1988 1993 1998 2003
0 200 400 600 800
1978 1983 1988 1993 1998 2003
0 200 400 600 800
1978 1983 1988 1993 1998 2003
0 200 400 600 800
1978 1983 1988 1993 1998 2003
Figure 4.1.29. Haddock in Division VIa. Retrospective estimates of recruitment at age 1 from final TSA run (catch & discards from 1995 2003 not fitted to model & no survey trend). The thick line is the current assessment, the thin lines are the retrospective estimates, and the dotted lines are upper and lower approximate pointwise 95% confidence intervals for the retrospective estimates. All estimates are compared in the final plot.
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