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Stock Assessment Graphs
Stock assessment graphs
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Sprat (Sprattus sprattus) in Division 3.a and Subarea 4 (Skagerrak, Kattegat and North Sea)
Species:
Stock Assessment Graphs
Stock code:
spr.27.3a4
Assessment Year:
2019
Key:
10361
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
F
Fishing pressure units
Year-1
Stock size description
SSB
Stock size units
tonnes
Fish reference points
Management plan
SSB
MP
F
MP
MSY approach
MSYB
trigger
F
MSY
Precautionary approach
B
lim
94000
B
pa
125000
F
lim
F
pa
Age and Length
Recruitment
0
F
Fish data
Year
Low Recruitment
Recruitment
High Recruitment
Low SSB
SSB
High SSB
Landings
Catches
Low F
F
High F
1974
301922182
533516203
942757956
376680
605615
973689
463344
463344
0.718
1.148
1.836
1975
411263829
713005719
1236133887
378309
605010
967561
732312
732312
1.06
1.609
2.443
1976
192704469
330461262
566694929
309657
497325
798730
628598
628598
1.121
1.653
2.438
1977
375560955
631747281
1062689348
220735
337729
516734
385257
385257
0.967
1.442
2.15
1978
556877635
1033275820
1917223555
248562
388481
607163
458804
458804
0.562
0.957
1.629
1979
306791484
534584303
931513398
366360
619706
1048246
463638
463638
0.326
0.626
1.203
1980
207887448
328484431
519040578
253834
425491
713234
387434
387434
1.532
2.158
3.041
1981
62529143
94300778
142215874
204608
302549
447374
280582
280582
0.674
1.049
1.634
1982
34724037
49278577
69933635
121275
180954
270001
162357
162357
0.654
0.963
1.416
1983
48151543
66986389
93188628
64781
87378
117857
115440
115440
1.282
1.615
2.035
1984
23874922
33531639
47094220
49601
65578
86703
113444
113444
0.644
0.925
1.328
1985
16859483
23324153
32267663
45866
60355
79421
62514
62514
0.958
1.269
1.681
1986
56091026
79161450
111720817
17616
23040
30134
27520
27520
0.755
1.054
1.471
1987
29609777
40832954
56310120
40613
55492
75823
53942
53942
0.23
0.356
0.551
1988
42913455
60915609
86469649
44150
57412
74656
103652
103652
0.974
1.255
1.617
1989
39620686
54624879
75311099
31800
42531
56884
58420
58420
0.156
0.296
0.563
1990
55368353
73809647
98393101
31710
41940
55471
78180
78180
1.168
1.487
1.893
1991
85526202
112560341
148139752
66451
86163
111723
125815
125815
0.472
0.692
1.015
1992
79294732
104218478
136976201
95387
121297
154246
156471
156471
0.578
0.802
1.114
1993
106537686
150428734
212401872
131712
166542
210581
208848
208848
1.289
1.564
1.899
1994
96441725
128700686
171750003
100832
135402
181822
424206
424206
0.494
0.682
0.942
1995
27311142
36324391
48312201
152240
198590
259052
446555
446555
1.157
1.448
1.811
1996
45533960
60854724
81330447
85430
108120
136837
95496
95496
1.07
1.335
1.666
1997
37124091
49081856
64891248
84939
108662
139011
125174
125174
0.748
0.983
1.293
1998
82442979
109891052
146477523
106513
134457
169733
188907
188907
1.385
1.651
1.969
1999
58546134
77593949
102838914
100446
130092
168489
243158
243158
0.639
0.869
1.182
2000
55213250
73294784
97297756
144761
184241
234488
222027
222027
1.142
1.425
1.778
2001
46879330
61404888
80431189
98431
125492
159993
153321
153321
1.213
1.498
1.848
2002
62175036
82227471
108747134
88236
111302
140396
174713
174713
1.31
1.582
1.91
2003
80961759
106856781
141034136
109642
139944
178621
174988
174988
0.959
1.216
1.542
2004
142921129
188385320
248311983
136314
173338
220419
231352
231352
1.553
1.848
2.201
2005
51223589
66452635
86209359
177714
228891
294805
280275
280275
1.022
1.275
1.592
2006
65320661
84901303
110351475
136833
172474
217398
78028
78028
1.341
1.622
1.962
2007
47148993
60915609
78701816
107439
135402
170642
99902
99902
1.287
1.561
1.893
2008
108562457
140399151
181572175
82268
102539
127806
69892
69892
1.023
1.318
1.699
2009
87953474
114604772
149331835
148942
187963
237206
170934
170934
0.62
0.846
1.155
2010
91225268
120601225
159436698
150278
188151
235569
145415
145415
0.735
0.98
1.306
2011
70033357
91696980
120061874
132514
166542
209307
122472
122472
0.648
0.89
1.222
2012
56716392
73002190
93964365
108657
134592
166716
96030
96030
1.095
1.35
1.665
2013
129514011
171312512
226600786
86631
108228
135210
60207
60207
0.873
1.198
1.644
2014
142067900
188385320
249803292
170716
219476
282163
190268
190268
0.398
0.568
0.81
2015
77360375
101442227
133020624
274590
349759
445505
298227
298227
1.086
1.361
1.706
2016
101577224
133819174
176295145
178576
224583
282443
227169
227169
1.927
2.203
2.519
2017
137645226
190659562
264092477
136332
174207
222605
135824
135824
1.13
1.393
1.716
2018
96715510
158457979
259616385
166402
217510
284316
190052
190052
1.054
1.4
1.859
2019
126949604
173458
248824
356868
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data