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Stock Assessment Graphs
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Megrim (Lepidorhombus whiffiagonis) 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:
meg.27.7b-k8abd
Assessment Year:
2021
Key:
16699
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
41800
F
MSY
0.191
Precautionary approach
B
lim
37100
B
pa
41800
F
lim
0.53
F
pa
0.417
Age and Length
Recruitment
1
F
3-6
Fish data
Year
Low Recruitment
Recruitment
High Recruitment
Low SSB
SSB
High SSB
Landings
Discards
Low F
F
High F
1984
211897
231059
253215
67430
70187
73105
16659
2169
0.192
0.21
0.24
1985
191065
207848
226931
68390
71120
74311
17865
1732
0.22
0.24
0.26
1986
181666
198246
217909
68639
71593
74851
18927
2321
0.21
0.23
0.25
1987
167756
183587
203252
71792
74944
78325
17114
1705
0.21
0.23
0.25
1988
177820
195229
215111
62735
65531
68616
17577
1725
0.24
0.26
0.28
1989
224019
244696
267729
52679
55195
57971
19233
2582
0.31
0.34
0.37
1990
233579
255240
279616
44941
47296
49802
14370
3284
0.35
0.38
0.41
1991
263645
286582
311481
46154
48493
51050
15094
3282
0.4
0.44
0.48
1992
223924
242634
264471
47700
50020
52608
15600
2988
0.33
0.36
0.39
1993
171991
186001
201196
51735
54170
56787
14929
3108
0.34
0.37
0.41
1994
182809
197735
214214
50752
53069
55434
13684
3284
0.31
0.33
0.36
1995
221239
239356
259843
56568
59147
61856
15862
2652
0.32
0.35
0.38
1996
230669
250722
273255
50770
53124
55608
15109
3026
0.32
0.35
0.38
1997
192613
209956
229260
54210
56627
59207
14230
3066
0.29
0.31
0.34
1998
243771
266229
289862
56394
58894
61582
14345
5371
0.3
0.33
0.36
1999
204509
223925
244392
47315
49568
52013
13305
3297
0.31
0.34
0.37
2000
258835
283863
310174
48076
50364
52663
15031
1870
0.31
0.34
0.38
2001
204954
224802
247142
49659
51982
54430
15778
2262
0.38
0.42
0.45
2002
237683
259986
285812
45156
47340
49649
15987
2813
0.44
0.48
0.52
2003
236506
259629
285207
42256
44182
46363
15711
4008
0.46
0.5
0.54
2004
186534
203598
223491
37304
39114
41080
14358
6243
0.4
0.43
0.47
2005
209131
227670
249576
37006
38779
40591
12888
3275
0.5
0.54
0.59
2006
268344
291747
319819
35255
36987
38899
12037
3751
0.37
0.41
0.45
2007
234330
256741
280340
38565
40426
42372
13060
3033
0.42
0.46
0.5
2008
181467
198938
218102
41927
43962
46174
11048
2860
0.31
0.34
0.37
2009
221399
243017
266725
50845
53360
56110
15064
3278
0.33
0.36
0.39
2010
211645
231345
254296
50517
53191
56178
15101
5343
0.36
0.39
0.42
2011
176788
193178
211834
43838
46274
49120
13226
4187
0.33
0.36
0.4
2012
154480
168049
183007
45761
48592
51762
14433
3704
0.29
0.32
0.36
2013
157199
172164
189152
49840
53149
56898
16025
4885
0.31
0.35
0.38
2014
150324
165400
182291
60786
65446
70656
13277
2569
0.24
0.27
0.3
2015
150608
168637
189702
54712
59350
64710
11569
1507
0.21
0.23
0.26
2016
169495
193255
220996
62874
68380
74778
11548
2445
0.21
0.23
0.26
2017
204114
244072
290188
61306
66776
73075
13784
2173
0.24
0.27
0.31
2018
194749
249882
317614
78537
86206
94920
12147
1738
0.196
0.23
0.26
2019
249793
355298
499357
81868
90958
101189
12164
989
0.173
0.2
0.23
2020
216068
221690
227698
88194
100112
113233
11141
885
0.117
0.137
0.165
2021
216068
221690
227698
108523
126311
145747
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data