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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:
2022
Key:
17000
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
F
Fishing pressure units
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
1-2
Fish data
Year
Low Recruitment
Recruitment
High Recruitment
Low SSB
SSB
High SSB
Landings
Low F
F
High F
1974
302713625
543036000
974148742
372423
607031
989431
443038.71
0.705
1.109
1.745
1975
403925507
709595000
1246579022
385752
622040
1003062
731781.7
1.145
1.705
2.538
1976
188951801
327714000
568380217
309827
501939
813172
629980.45
1.247
1.802
2.602
1977
370598976
630579000
1072938408
219712
338439
521324
385213.85
1.098
1.602
2.337
1978
1071680000
247433
389956
614573
459295.08
0.623
1.049
1.768
1979
305882831
539449000
951361745
373604
641332
1100917
464139.15
0.351
0.676
1.302
1980
214246324
334838000
523306464
259581
440425
747259
387442.59
1.666
2.299
3.174
1981
59171479
87282900
128749607
207831
307740
455678
280227.23
0.757
1.152
1.754
1982
31376148
45555800
66143585
117646
176147
263737
163007.52
0.685
0.986
1.419
1983
43688093
58821600
79197337
60563
82240
111675
115430.14
1.3
1.589
1.941
1984
21660742
31588200
46065568
45877
59357
76799
113526.51
0.712
0.987
1.369
1985
16804808
23019800
31533307
41947
55195
72629
62513.57
1.033
1.308
1.657
1986
51134182
70963900
98483537
16616
22058
29283
27519.73
0.839
1.117
1.486
1987
28354059
38488000
52243884
37307
50112
67314
53975.92
0.238
0.361
0.549
1988
38105424
55817100
81761291
41616
52957
67389
103654.51
1.008
1.259
1.572
1989
35057346
48771900
67851635
28990
39506
53836
58441.55
0.222
0.423
0.804
1990
48847946
67307700
92743440
26728
36902
50947
78254.07
1.181
1.494
1.89
1991
79082766
103265000
134841771
59537
79217
105401
125814.88
0.613
0.848
1.175
1992
73277694
98542600
132518416
87450
110149
138739
156472.42
0.682
0.916
1.229
1993
82007801
129113000
203275378
120370
155391
200600
209083.01
1.33
1.587
1.894
1994
84798161
113155000
150994478
81223
120194
177863
425103.89
0.596
0.804
1.085
1995
26640984
35487900
47272692
125474
169861
229949
447604.05
1.072
1.342
1.679
1996
44974805
59588600
78950898
84223
104983
130860
95522.37
1.141
1.395
1.705
1997
35212707
46909200
62490879
84003
106236
134353
125227.18
0.813
1.049
1.354
1998
78620805
105848000
142504252
104750
130525
162642
189062.79
1.504
1.765
2.072
1999
57894517
75667400
98896332
95983
125568
164272
243188.26
0.702
0.936
1.248
2000
55271092
72250500
94446022
143546
180665
227382
222088.98
1.208
1.485
1.826
2001
44948143
58320100
75670180
99064
124318
156010
153320.7
1.364
1.644
1.981
2002
58365720
77193400
102094534
85644
106899
133428
175008.21
1.411
1.676
1.992
2003
74506041
98936600
131377949
104713
132982
168882
175253.2
1.108
1.372
1.7
2004
127893285
166990000
218038501
126901
161765
206207
231221.1
1.801
2.085
2.414
2005
49444756
63546300
81669576
159787
203907
260209
280860.95
1.104
1.356
1.666
2006
62883131
80677800
103508005
128681
160733
200768
78114.11
1.384
1.659
1.987
2007
43698633
56916600
74132739
105369
130934
162701
99904.08
1.449
1.722
2.046
2008
97019649
124143000
158849105
76613
95608
119311
69970.17
1.301
1.578
1.913
2009
81101204
104609000
134930708
132005
164733
205575
171229.7
0.664
0.886
1.182
2010
78827696
109958000
153382153
137116
170207
211284
147207.91
0.835
1.072
1.377
2011
68610164
89088900
115680121
116040
149422
192407
122537.26
0.724
0.969
1.296
2012
53301179
67893400
86480522
101430
124904
153810
96181.78
1.093
1.336
1.634
2013
111729027
151849000
206375367
83499
103116
127342
60313.34
1.119
1.422
1.808
2014
126410419
171345000
232252288
146989
192302
251584
190700.19
0.461
0.638
0.883
2015
71308024
95014500
126602235
236999
311969
410654
297105.47
1.059
1.314
1.629
2016
106258739
136982000
176588472
167426
216052
278800
227902.12
1.982
2.253
2.561
2017
130538192
168157000
216616887
140768
176752
221935
135543.7
1.199
1.459
1.774
2018
122456605
163028000
217041203
160828
200339
249556
191542.75
1.199
1.448
1.749
2019
106395116
139860000
183850729
164919
209892
267130
137499.23
0.951
1.217
1.558
2020
63077598
85515000
115933635
226479
288838
368367
181990.53
1.546
1.827
2.159
2021
45305493
69413200
106348965
112152
141574
178714
80196.48
1.832
2.169
2.567
2022
120979028
72848
100495
138634
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data