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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:
2021
Key:
14512
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
2017
594.04125
1160.19864
566.15739
2018
913.21402
1166.21567
253.00165
2019
819.46628
925.554190000001
105.71591
2020
488.28746
610.54841
122.19495
2021
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
2017
1.8479062266701
3.8927654862813
5.93762474589251
17.6121651560593
33.3348464560089
49.0575277559585
2018
7.76554187563627
13.664994804484
19.5644477333317
6.53917782850948
13.6256758031249
20.7121737777403
21.7699377655713
33.7815836446405
45.7932295237097
2019
3.55682134586246
7.38590812278034
11.2149948996982
9.75966902867482
17.8421263946506
25.9245837606265
26.8371354506165
40.528135646102
54.2191358415875
2020
1.72280719611309
4.37619626054641
7.02958532497972
7.80189520518266
19.8572398195043
31.9125844338259
17.856859497994
26.3506668930986
34.8444742882032
2021
Sensivity data