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Stock Assessment Graphs
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Herring (Clupea harengus) in Division 6.a North (North of 56°00’N and East of 07°00’W), autumn spawners (West of Scotland)
Species:
Stock Assessment Graphs
Stock code:
her.27.6aN
Assessment Year:
2022
Key:
17371
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
0.335
Precautionary approach
B
lim
B
pa
F
lim
F
pa
Age and Length
Recruitment
0
F
Fish data
Year
SSB
Landings
Catches
F
1957
43438
43438
1958
59669
59669
1959
65221
65221
1960
63759
63759
1961
46353
46353
1962
58195
58195
1963
49030
49030
1964
64234
64234
1965
68669
68669
1966
100619
100619
1967
90400
90400
1968
84614
84614
1969
107170
107170
1970
165930
165930
1971
207167
207167
1972
164756
164756
1973
210270
210270
1974
178160
178160
1975
114001
114001
1976
93642
93642
1977
41341
41341
1978
22156
22156
1979
60
60
1980
306
306
1981
51420
51420
1982
92360
92360
1983
63523
63523
1984
56012
56012
1985
39142
39142
1986
70764
70764
1987
44360
44360
1988
35591
35591
1989
34026
34026
1990
44693
44693
1991
28529
28529
1992
28985
28985
1993
31778
31778
1994
24430
24430
1995
29575
29575
1996
26105
26105
1997
35233
35233
1998
33353
33353
1999
29736
29736
2000
23162
23162
2001
25251
25251
2002
32914
32914
2003
28081
28081
2004
26459
26459
2005
14129
14129
2006
27346
27346
2007
29616
29616
2008
16054
16054
2009
18508
18508
2010
19877
19877
2011
17759
17759
2012
18516
18516
2013
22978
22978
2014
32460
22027
22027
0.679
2015
107113
18801
18801
0.176
2016
10870
4724
4724
0.435
2017
21863
4201
4201
0.192
2018
20663
4063
4063
0.197
2019
10508
1739
1739
0.165
2020
26070
177
177
0.007
2021
43886
1115
1115
0.023
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data