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Stock Assessment Graphs
Stock assessment graphs
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Megrim (Lepidorhombus whiffiagonis) in divisions 8.c and 9.a (Cantabrian Sea and Atlantic Iberian waters)
Species:
Stock Assessment Graphs
Stock code:
meg.27.8c9a
Assessment Year:
2020
Key:
13597
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
980
F
MSY
0.191
Precautionary approach
B
lim
700
B
pa
980
F
lim
0.45
F
pa
0.32
Age and Length
Recruitment
1
F
Fish data
Year
Recruitment
TBiomass
SSB
Landings
Catches
Discards
F
1986
9960
2586
2239
659
705
46
0.3899
1987
12955
2307
1859
497
536.9
39.9
0.3571
1988
11734
2535
2130
817
858.5
41.5
0.5097
1989
10682
2663
2283
714
761.4
47.4
0.4621
1990
13205
2854
2435
977
1021.7
44.7
0.471
1991
5971
1745
1550
614
654.7
40.7
0.4796
1992
11513
1708
1445
516
558.1
42.1
0.4508
1993
5440
1520
1349
383
421.1
38.1
0.3386
1994
2435
1271
1185
479.23
492.13
12.9
0.4299
1995
9583
1276
945
218.23922
257.73922
39.5
0.2925
1996
9271
1595
1288
328.70596
372.70596
44
0.2478
1997
7059
1499
1301
356.002142973565
408.102142973565
52.1
0.2829
1998
3887
1415
1300
445.963
482.063
36.1
0.4436
1999
2884
1148
1069
342.836354243445
386.136354243445
43.3
0.4059
2000
3768
1137
1034
253.133203
287.933203
34.8
0.392
2001
3284
859
755
174.516584
193.316584
18.8
0.2971
2002
2814
798
711
117.414025
136.614025
19.2
0.1698
2003
2868
916
811
133.53641
148.43641
14.9
0.1932
2004
3213
892
774
148.538203
159.438203
10.9
0.2061
2005
2864
894
779
146.742356
165.942356
19.2
0.2624
2006
2296
862
759
210.2865955
225.9865955
15.7
0.4366
2007
2566
801
682
154.9965856
155.3965856
0.4
0.2663
2008
1750
666
611
133.2060878
143.7060878
10.5
0.2256
2009
1487
675
633
83.740012115
94.340012115
10.6
0.1261
2010
6786
883
708
83.382694714
87.882694714
4.5
0.0818
2011
5374
1204
1064
301.6021730324
371.0021730324
69.4
0.2912
2012
2920
1146
1072
262.070018646
292.870018646
30.8
0.2742
2013
3170
1069
974
231.432890425
249.532890425
18.1
0.2387
2014
1904
1072
1006
376.6258816
399.3958816
22.77
0.4673
2015
8298
1017
803
276.12308433
297.09408433
20.971
0.4895
2016
9704
1397
1081
235.194886409
298.414886409
63.22
0.3166
2017
10233
1721
1409
247.3395
288.0595
40.72
0.2299
2018
7141
1849
1627
315.02949
351.77249
36.743
0.2804
2019
7703
2188
1936
238.8458
289.4478
50.602
0.1673
2020
3517
2427
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data