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Herring (Clupea harengus) in Subdivision 28.1 (Gulf of Riga)
Species:
Stock Assessment Graphs
Stock code:
her.27.28
Assessment Year:
2021
Key:
14119
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
60000
F
MSY
0.32
Precautionary approach
B
lim
40800
B
pa
57100
F
lim
0.88
F
pa
0.38
Age and Length
Recruitment
1
F
3-7
Fish data
Year
Recruitment
TBiomass
SSB
Landings
F
1977
943222
76734
54522
24186
0.6903
1978
1076482
66256
49356
16728
0.3751
1979
976944
66131
46739
17142
0.431
1980
1110340
69530
46712
14998
0.3498
1981
908421
65532
47221
16769
0.4525
1982
1689000
72906
42758
12777
0.4198
1983
1253653
76284
50858
15541
0.4679
1984
2027213
66159
39914
15843
0.7068
1985
1388054
77482
51937
15575
0.5381
1986
1120343
86764
64284
16927
0.5099
1987
3928624
97611
51522
12884
0.4227
1988
560967
116327
96701
16791
0.5214
1989
1292385
86105
63293
16783
0.3611
1990
3645492
139190
77332
14931
0.2367
1991
3689914
141619
87277
14791
0.2494
1992
4319311
167232
106141
20000
0.2659
1993
3257248
175763
120787
22200
0.2308
1994
2788376
170444
124965
24300
0.2319
1995
3469542
166971
116708
32656
0.3426
1996
4668037
168011
105795
32584
0.3634
1997
1598978
134226
103574
39843
0.4857
1998
2763269
120637
82140
29443
0.4348
1999
2897394
136916
84194
31403
0.4153
2000
2645554
133067
84025
34069
0.4482
2001
6088728
157184
79443
38785
0.5211
2002
2291719
144524
101021
39701
0.4586
2003
7172071
158496
86918
40803
0.5292
2004
1034657
122317
93406
39115
0.5786
2005
3216351
127561
75411
32225
0.4923
2006
7116258
148048
73416
31232
0.4183
2007
2057771
131570
95052
33742
0.5221
2008
5641770
165120
95083
31137
0.292
2009
2874764
157940
112381
32554
0.3527
2010
2915262
149032
106631
30174
0.2824
2011
1188641
139431
108524
29639
0.3171
2012
5724457
161970
94730
28115
0.2874
2013
6072780
195051
118689
26511
0.2232
2014
1164668
175583
143791
26253
0.2308
2015
2619073
169975
128582
32851
0.3017
2016
4314619
168581
114876
30865
0.2887
2017
3179703
168165
123092
28058
0.2469
2018
6193234
201219
124599
25747
0.2097
2019
2988617
190480
143579
28921.6725129251
0.2567
2020
7101760
230584
146956
33215.0274766132
0.2433
2021
3243312
176560
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data