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Stock Assessment Graphs
Stock assessment graphs
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Four-spot megrim (Lepidorhombus boscii) in divisions 7.b-k, 8.a-b, and 8.d (west and southwest of Ireland, Bay of Biscay)
Species:
Stock Assessment Graphs
Stock code:
ldb.27.7b-k8abd
Assessment Year:
2020
Key:
13736
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
B
pa
F
lim
F
pa
Age and Length
Recruitment
0
F
Fish data
Year
Landings
Catches
Discards
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
594.04125
1160.19864
566.15739
2018
913.21402
1166.21567
253.00165
2019
819.46628
925.55419
105.71591
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
CustomName1
CustomName2
CustomName3
CustomName4
CustomName5
CustomName6
CustomName7
CustomName8
CustomName9
IGFS_ci_l.CatchWgtKg
IGFS_CatchWgtKg
IGFS_ci_u.CatchWgtKg
EVHOW_ci_l.CatchWgtKg
EVHOE_CatchWgtKg
EVHOW_ci_u.CatchWgtKg
SPPORC_ci_l.CatchWgtKg
SPPORC_CatchWgtKg
SPPORC_ci_u.CatchWgtKg
Custom fish data
Year
Custom1
Custom2
Custom3
Custom4
Custom5
Custom6
Custom7
Custom8
Custom9
2003
0
0.342876039304611
0.712638430280911
3.66373881369075
8.60058003756028
13.5374212614298
12.5172658144303
19.7888624211376
27.0604590278448
2004
0
0.660907595054324
1.3666884869213
3.3132438565814
9.64335521725774
15.9734665779341
10.2448840544989
16.1287043751172
22.0125246957354
2005
2.25344953093717
4.76164142506901
7.26983331920084
1.73842676519961
7.41881035703149
13.0991939488634
16.2859164349292
26.2688600028853
36.2518035708414
2006
3.50444630699967
6.452281805452
9.40011730390432
3.06331407162572
8.41095312199932
13.7585921723729
14.9108848636018
22.8686505541875
30.8264162447733
2007
2.73767430505305
5.38823896524448
8.03880362543591
3.58021245462895
12.5853485284964
21.5904846023639
18.3445824987938
27.6044087911634
36.864235083533
2008
3.41858271067694
6.28264411177576
9.14670551287459
4.20943924508184
8.90643121940684
13.6034231937318
13.8852161125093
21.0423478521787
28.199479591848
2009
9.54503563547388
16.1236592133885
22.7022827913032
6.42668489462447
12.419779430744
18.4128739668635
15.7418364877581
25.6927418835103
35.6436472792625
2010
8.11652482692406
14.6931411876568
21.2697575483896
7.05310969913873
13.0533028714751
19.0534960438114
21.4199088293644
31.593279234042
41.7666496387195
2011
1.62811699619793
4.31729021725525
7.00646343831257
4.00881154392126
10.9537766361826
17.898741728444
17.2945222665712
26.2015086880991
35.1084951096271
2012
3.31537080581154
8.28029878769888
13.2452267695862
5.84461600551245
12.3413849268695
18.8381538482266
20.2107954339298
29.9248863797978
39.6389773256657
2013
2.52685027490783
4.78935780748861
7.05186534006939
3.99843363389619
10.6627974997689
17.3271613656416
24.5558281885853
36.8729463577717
49.1900645269582
2014
6.46999299581131
13.8390000857018
21.2080071755923
5.58284924724235
11.17352283493
16.7641964226177
31.6018502426188
46.6835171373324
61.765184032046
2015
2.62857779137496
6.38681249579985
10.1450472002247
4.73035626963463
8.54500231957713
12.3596483695196
27.6781267903573
43.5801541117499
59.4821814331425
2016
4.2188919056712
7.77284028531666
11.3267886649621
3.0633059910983
6.66764196718114
10.271977943264
23.9841909728623
37.018608276644
50.0530255804257
2017
1.96238304212908
4.13318225116533
6.30398146020158
18.7055228999932
35.393602877659
52.0816828553248
2018
8.24667488045135
14.5089433687191
20.7712118569868
6.94449314032038
14.4671960301949
21.9898989200695
23.1222201287397
35.8679305055355
48.6136408823313
2019
3.77716509530902
7.8420609896477
11.9069568839864
10.3646547324603
18.9440541428212
27.523453553182
28.5044427798682
43.0311488106903
57.5578548415123
Sensivity data