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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:
2020
Key:
13351
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
0.63
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
66130
46739
17142
0.431
1980
1110340
69530
46712
14998
0.3498
1981
908420
65532
47221
16769
0.4525
1982
1688991
72906
42758
12777
0.4198
1983
1253648
76284
50858
15541
0.4679
1984
2027187
66158
39914
15843
0.7068
1985
1387985
77480
51936
15575
0.5381
1986
1120294
86762
64282
16927
0.5099
1987
3928311
97606
51521
12884
0.4227
1988
560920
116319
96695
16791
0.5214
1989
1292204
86097
63287
16783
0.3611
1990
3644814
139170
77323
14931
0.2368
1991
3689164
141594
87262
14791
0.2494
1992
4318119
167195
106119
20000
0.266
1993
3255933
175711
120755
22200
0.2308
1994
2786684
170378
124922
24300
0.232
1995
3468223
166896
116652
32656
0.3428
1996
4663893
167900
105732
32584
0.3636
1997
1594037
134078
103482
39843
0.4862
1998
2765927
120510
81998
29443
0.4355
1999
2895256
136754
84066
31403
0.4166
2000
2643906
132894
83881
34069
0.45
2001
6085227
157008
79309
38785
0.5236
2002
2280487
144228
100849
39701
0.4617
2003
7102467
157608
86577
40803
0.5332
2004
1027151
121553
92782
39115
0.5794
2005
3193548
126249
74442
32225
0.4974
2006
7022420
145995
72259
31232
0.4258
2007
2030081
129346
93228
33742
0.5395
2008
5547611
161493
92565
31137
0.3067
2009
2830143
154172
109289
32554
0.3687
2010
2864924
145003
103305
30174
0.2959
2011
1167994
135289
104897
29639
0.3319
2012
5619073
156885
90888
28115
0.3031
2013
5915620
188908
114422
26511
0.2357
2014
1106071
169403
138637
26253
0.2434
2015
2489287
163180
123340
32851
0.3192
2016
4254796
161550
108855
30865
0.308
2017
3070813
160862
117166
28058
0.2656
2018
5974504
192226
118237
25747
0.2271
2019
2611633
179080
136095
28921
0.2844
2020
3212087.92304956
136024
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data