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Stock Assessment Graphs
Stock assessment graphs
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Sprat (Sprattus sprattus) in Division 3.a (Skagerrak and Kattegat)
Species:
Stock Assessment Graphs
Stock code:
spr.27.3a
Assessment Year:
2017
Key:
8314
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
Fishing pressure units
Stock size description
Stock Size
Stock size units
NA
Fish reference points
Management plan
SSB
MP
F
MP
MSY approach
MSYB
trigger
F
MSY
Precautionary approach
B
lim
B
pa
F
lim
F
pa
Age and Length
Recruitment
0
F
Fish data
Year
SSB
Landings
1974
71300
1975
100600
1976
58800
1977
67400
1978
77900
1979
95600
1980
83900
1981
76300
1982
39600
1983
26400
1984
3.012803859
36100
1985
1.336368124
19700
1986
0.945339608
10800
1987
1.675636929
14400
1988
2.067308139
8700
1989
0.364561201
9800
1990
0.200949234
9700
1991
0.349878787
14000
1992
2.835941459
10500
1993
1.195691462
9100
1994
1.069870064
96000
1995
1.369317488
55600
1996
2.292181715
18000
1997
0.138754202
15800
1998
0.291004183
18400
1999
2.491516178
26700
2000
0.550158091
20100
2001
3.662731985
29100
2002
0.871210341
17700
2003
0.567691974
16500
2004
0.23039108
22000
2005
1.942497437
40300
2006
3.656566232
12500
2007
0.443303371
15700
2008
1.898667338
9100
2009
1.509864622
9200
2010
0.291952886
10700
2011
0.346563335
10700
2012
0.310450607
10416
2013
0.171016792
3900
2014
0.300242628
18537
2015
0.785240345
13276
2016
2.469419966
8204
2017
0.679100462
Custom reference points
Custom fish data column names
CustomName1
CustomName2
CustomName3
CustomName4
CustomName5
CustomName6
CustomName7
CustomName8
IBTS Q1 Age 1
IBTS Q1 Age 2
IBTS Q3 Age 1
HERAS Age 1
IBTS Q1 Age 1 anomaly
IBTS Q1 Age 2 anomaly
IBTS Q3 Age 1 anomaly
HERAS Age 1 anomaly
Custom fish data
Year
Custom1
Custom2
Custom3
Custom4
Custom5
Custom6
Custom7
Custom8
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
5675.453
868.877
3.66289383756008
0.505326149712032
1985
2157.763
2347.024
1.39260369095033
1.36499481652954
1986
628.636
1979.238
0.405716852992777
1.15109586040803
1987
2735.918
2845.931
1.76574049371384
1.65515182767655
1988
914.468
5262.547
0.590190633566323
3.06062033312955
1989
413.943
911.276
0.267155637409231
0.529984787725975
1990
481.022
223.894
0.310447909537939
0.130213474362454
1991
492.498
726.822
493.724
0.317854431921234
0.422709040273823
1992
5993.636
598.711
1731.961
3.86824670541333
0.348201557205727
0.088335
1993
1589.922
4168.612
309.005
1.02612346468224
2.42440374368682
0.309876
1994
1788.861
715.839
9945.215
1.15451716949318
0.416321488178087
0.055286
1995
2204.074
1769.532
13295.42
1.42249245516197
1.02913391924545
1.779362
1996
199.3
5515.416
130.748
0.128626691442203
3.20768524352715
2.378769
1997
232.654
391.234
437.176
0.150153107229273
0.227535969828223
0.023393
1998
72.245
1585.222
62.82
0.0466263689073855
0.921941920086281
0.078218
1999
4534.96
355.242
8082.645
2.92682840252248
0.206603549266469
0.01124
2000
292.316
737.798
0.188658504443647
0.429092521271985
1.446118
2001
6539.478
1144.344
8501.662
4.22052894580568
0.66553372625362
2002
1180.52
1035.707
3568.48
0.761898553845203
0.602352036640169
1.521087
2003
461.659
1247.151
444.802
0.297951177845037
0.725324773172165
0.63846
2004
402.87
49.002
7388.165
0.260009208135074
0.0284988461982409
0.079582
2005
3314.171
1563.164
12817.78
2.13894054492572
0.909113310040961
1.321864
2006
1323.589
11855.76
849.819
61.3
0.854234189158522
6.89513770460287
2.29331
2007
774.11
306.631
10899.96
5611.9
0.499604656860629
0.17833210294708
0.152047
0.073477
2008
150.598
981.9
809.366
23
0.0971947941686544
0.571058672749129
1.950181
6.728182
2009
2686.719
124.463
3258.747
169.5
1.7339878364521
0.0723858596459668
0.144809
0.027575
2010
218.659
618.486
2335.444
836.1
0.141120841565783
0.359702407856113
0.583043
0.203216
2011
135.548
2887.269
1413.118
45.4
0.0874816395966266
1.67919340361514
0.417849
1.002411
2012
209.485
1531.549
832.37
123.9
0.135200012326994
0.890726488634541
0.25283
0.054431
2013
301.264
237.338
356.27
14.5
0.194433475015774
0.138032308048613
0.148925
0.148545
2014
518.178
229.093
30111.5
614.5
0.334428106965066
0.133237136690209
0.063743
0.017384
2015
957.727
206.943
16064.67
840.8
0.618109660385682
0.120355020791041
5.387441
0.736732
2016
4208.379
2216.262
5034.654
5.4
2.7160555298788
1.28894555065111
2.874233
1.008046
2017
1102.765
752.58
0.711716073197494
0.437689516180405
Sensivity data