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Stock Assessment Graphs
Stock assessment graphs
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Herring (Clupea harengus) in subareas 1, 2, and 5 and in divisions 4.a and 14.a; Norwegian spring spawners (the Northeast Atlantic and Arctic Ocean)
Species:
Stock Assessment Graphs
Stock code:
her.27.1-24a514a
Assessment Year:
2025
Key:
21106
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
3177000
F
MSY
0.21
Precautionary approach
B
lim
2286000
B
pa
3177000
F
lim
F
pa
0.21
Age and Length
Recruitment
2
F
5-12+
Fish data
Year
Low Recruitment
Recruitment
High Recruitment
Low SSB
SSB
High SSB
Landings
Catches
Low F
F
High F
1988
193000
461000
1101000
823000
1162000
1641000
135301
135301
0.07
0.086
0.106
1989
837000
1845000
4065000
1169000
1672000
2390000
103830
103830
0.047
0.058
0.073
1990
4487000
9007000
18080000
1387000
2040000
3000000
86411
86411
0.036
0.045
0.056
1991
9260000
17882000
34531000
1543000
2259000
3307000
84683
84683
0.033
0.041
0.051
1992
9430000
17925000
34074000
2078000
2863000
3946000
104448
104448
0.036
0.044
0.055
1993
19783000
36519000
67416000
2642000
3405000
4389000
232457
232457
0.064
0.077
0.093
1994
20605000
37312000
67565000
3147000
3878000
4778000
479228
479228
0.099
0.117
0.138
1995
7252000
12963000
23171000
3468000
4141000
4946000
905501
905501
0.167
0.193
0.223
1996
4140000
7336000
12998000
4054000
4759000
5588000
1220283
1220283
0.151
0.172
0.194
1997
1261000
2299000
4191000
4755000
5595000
6584000
1426507
1426507
0.172
0.194
0.218
1998
8813000
15043000
25679000
4898000
5776000
6813000
1223131
1223131
0.167
0.188
0.211
1999
4440000
7907000
14081000
4594000
5391000
6326000
1235433
1235433
0.211
0.238
0.267
2000
14726000
26073000
46162000
3572000
4182000
4896000
1207201
1207201
0.282
0.318
0.359
2001
15291000
26908000
47348000
3039000
3582000
4224000
766136
766136
0.206
0.234
0.267
2002
7612000
13472000
23844000
2736000
3218000
3786000
807795
807795
0.211
0.242
0.277
2003
3484000
6326000
11488000
3641000
4318000
5119000
789510
789510
0.128
0.146
0.168
2004
28480000
48553000
82772000
4741000
5665000
6769000
794066
794066
0.106
0.121
0.139
2005
9339000
16352000
28632000
4839000
5733000
6793000
1003243
1003243
0.144
0.164
0.187
2006
15051000
25632000
43654000
4621000
5444000
6414000
968958
968958
0.156
0.177
0.201
2007
3957000
7035000
12510000
6603000
7783000
9175000
1266993
1266993
0.115
0.13
0.147
2008
6722000
11417000
19392000
6569000
7730000
9097000
1545656
1545656
0.154
0.173
0.195
2009
3399000
5906000
10261000
6242000
7358000
8673000
1687371
1687371
0.173
0.195
0.22
2010
1828000
3269000
5846000
4827000
5695000
6718000
1457015
1457015
0.206
0.234
0.266
2011
11011000
18691000
31726000
3993000
4749000
5648000
992997
992997
0.166
0.189
0.216
2012
2167000
3903000
7028000
3653000
4362000
5210000
826000
826000
0.163
0.187
0.213
2013
4396000
7834000
13958000
3677000
4402000
5270000
684743
684743
0.135
0.155
0.178
2014
3049000
5487000
9873000
3689000
4432000
5325000
461306
461306
0.088
0.101
0.117
2015
8820000
15064000
25729000
3560000
4263000
5106000
328740
328740
0.066
0.076
0.088
2016
3554000
5723000
9216000
2958000
3526000
4203000
383174
383174
0.088
0.101
0.116
2017
2214000
3626000
5939000
2717000
3183000
3728000
721566
721566
0.183
0.208
0.237
2018
33573000
51372000
78609000
2925000
3421000
4002000
592899
592899
0.131
0.149
0.169
2019
2350000
3862000
6346000
2997000
3491000
4067000
777165
777165
0.18
0.204
0.231
2020
2134000
3518000
5801000
2590000
3014000
3507000
720937
720937
0.192
0.218
0.248
2021
630000
1161000
2141000
3205000
3715000
4307000
851813
851813
0.148
0.166
0.187
2022
2749000
4628000
7792000
3837000
4491000
5257000
813834
813834
0.14
0.158
0.177
2023
10807000
20173000
37653000
3521000
4129000
4842000
680552
680552
0.151
0.17
0.192
2024
8532000
20739000
50414000
2438000
2948000
3564000
460226
460226
0.134
0.156
0.18
2025
1369000
9853000
70922000
2187000
2723000
3390000
Custom reference points
Custom fish data column names
Custom fish data
Sensivity data