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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:
2020
Key:
13602
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
37000
B
pa
41800
F
lim
0.53
F
pa
0.45
Age and Length
Recruitment
1
F
3-6
Fish data
Year
Low Recruitment
Recruitment
High Recruitment
Low TBiomass
TBiomass
High TBiomass
Low SSB
SSB
High SSB
Landings
Catches
Discards
Low F
F
High F
1984
212342.015403455
231344.113743757
253229.502233445
86269.2478912134
89291.7774455418
92671.3222061069
67348.7841760131
70073.2358764425
73191.4207832248
16659
18828
2169
0.19264408590022
0.212996597893755
0.236281154064294
1985
190189.840096263
207325.168984734
227046.695022641
88702.8178092655
92032.1971519441
95485.155344254
68194.4088156958
71056.912357081
74126.6735494625
17865
19597
1732
0.218724842994824
0.239062203709282
0.262487442507245
1986
180283.952964822
198091.734452327
217437.185348887
86852.8233245546
90242.749278304
93809.722097587
68596.3071804524
71605.1657592909
74865.1346330381
18927.309
21248.309
2321
0.210997553015269
0.231219205474638
0.253098907925658
1987
167416.331138913
184198.433649372
202919.440456106
90641.2843322688
94097.5998055107
97919.5366074864
71776.4506884367
74940.5233316855
78422.1988366119
17114.391
18819.391
1705
0.206194718984955
0.227169005068723
0.250203237328959
1988
178228.218995375
194880.632817867
214209.350045083
78370.8911083275
81548.6058137699
84921.6273477585
62668.2442820397
65513.0272406468
68545.7464751037
17577.34
19302.34
1725
0.237600551280505
0.259745859742622
0.283924326511514
1989
223995.465749535
244280.179060248
268606.584538249
68260.9392546241
71169.7448143297
74379.8696467604
52537.6557735736
55178.9354584569
58019.6510947972
19232.675
21814.675
2582
0.305627217334421
0.335559467962946
0.367086330616751
1990
234625.916119225
256300.918020808
278773.608748537
64361.6319125202
67282.5229188927
70386.8108156073
44831.8338424078
47334.55345814
50013.1607860718
14370.393
17654.393
3284
0.346606230411817
0.378225305594234
0.410934615833292
1991
262223.442019316
287228.269229904
312218.653921735
67680.9760643722
70593.1212367327
73809.8858962856
46142.6434537522
48570.6993427586
51185.2556989096
15094.151
18376.151
3282
0.401960999370093
0.437841358905828
0.474350103804036
1992
224119.981366262
242006.3307901
264518.909740015
68588.150799061
71479.0939278466
74606.2178972598
47720.1574932409
50060.1944838156
52598.5504347862
15600.088
18588.088
2988
0.330816556395868
0.360428260609612
0.393274129344762
1993
172255.756453896
187047.788090836
203019.034541703
69305.1942233005
72184.3136900408
75209.7301099406
51734.3836921353
54160.3124130417
56777.6051122379
14928.99
18036.99
3108
0.343596708641947
0.374636796979227
0.407129987343193
1994
182869.481587665
197895.430548389
214233.934897392
67604.1001022965
70343.4986365029
73159.8160724396
50721.2628179032
53021.7747911643
55464.559099897
13684.4635
16384.4635
2700
0.307683291985901
0.333622164639831
0.362641422046592
1995
220551.317956432
240291.265136362
259929.194229633
73169.0131454794
76061.5786692722
79035.660309464
56477.0441475035
59106.992501573
61770.5554872437
15862.34304
19068.34304
3206
0.324013002123046
0.352536805331183
0.383122677497249
1996
230010.424145352
250665.945257004
273088.320431973
65046.1893352961
67618.0785946132
70400.1654098867
50672.2352452629
53079.6969272233
55586.8780500826
15108.97286
18134.97286
3026
0.32257330002492
0.351805243113505
0.382775932114428
1997
193181.012222567
210743.13623411
229932.734359722
74132.8344937425
76998.7325467876
80163.1790675953
54281.8324403825
56649.474715982
59212.5640285429
14230.0974978302
17296.0974978302
3066
0.285075631151949
0.31209837120824
0.340614938224621
1998
245636.258012481
267512.049620619
291510.342869963
76139.0412380961
79162.5317979844
82424.6091536097
56460.4469118757
58892.5752274024
61482.3731831583
14344.69106
19715.75706
5371.066
0.303135125820632
0.330906277529419
0.360602726048581
1999
205501.663127465
224990.508378784
245460.532849477
64715.8087954183
67469.7613482078
70409.1501372829
47385.1298806421
49575.2144680792
51949.5057915782
13304.63265
16601.4819663742
3296.8493163742
0.308996927632709
0.337411026472153
0.368560530194958
2000
261135.889687361
285200.648440212
313036.749853752
67959.5692191474
71035.0852648701
74125.8554762691
48267.5515742726
50513.4333841573
52913.0371537016
15031.473513
16901.4999278175
1870.02641481748
0.317533359135979
0.347915695338727
0.37959612180137
2001
205063.899251899
225052.899456396
247603.442879913
73449.6838045969
76745.1778824336
80133.506582679
49714.3194407764
52068.8065394758
54552.301827473
15777.9906473477
18039.6032268346
2261.61257948695
0.381939593529543
0.416262495036172
0.450523027860026
2002
237450.915280082
260348.126670845
286975.511222605
66102.6250854385
69159.8991504361
72322.6842899699
45195.4575848916
47469.3205084162
49780.5414756465
15987.1720397745
18800.3899614624
2813.21792168789
0.448235277041479
0.485786653340713
0.525607054393857
2003
235565.581147013
258974.398607633
285458.704768118
61544.8294112831
64119.4437841634
67096.5971407356
42308.2861915021
44197.3677411104
46351.1930265179
15711.16456
19719.3020121905
4008.13745219045
0.463596540744863
0.502977814991624
0.543353266340424
2004
187617.263810997
204572.630517033
224039.830088112
54961.294261901
57433.9790498906
60010.1210402445
37358.1135050895
39116.3520166412
41035.4607666107
14358.3034264738
20601.5488683868
6243.24544191302
0.403399322852668
0.437786772472057
0.475838888285095
2005
211190.896140115
229735.449990848
249883.629080775
52924.3681007081
55187.8760588742
57715.4262898577
36944.8914101683
38661.0081327649
40572.1491767652
12887.9618908443
16163.0057175947
3275.04382675041
0.499445849908967
0.542414432131139
0.588136508585135
2006
270135.227750232
293981.130849316
321424.549583778
53651.9274146002
55914.0724302676
58281.5205726605
35194.3864057037
36955.1948296766
38732.0380261078
12037.187379
15787.7114906052
3750.52411160523
0.377566701184186
0.411657586987968
0.450530571558996
2007
234851.370354587
256423.396568612
282189.768304302
59829.6096332776
62488.2108836053
65197.5025622781
38558.0420323696
40344.0191383135
42324.8544856219
13059.8172588164
16092.4306467375
3032.61338792114
0.42304328292257
0.461092833262548
0.499225518090041
2008
181939.508271418
199539.113205633
221007.675106747
63429.0077136044
66333.7685110776
69242.496624225
42045.6287126996
44054.5543407684
46182.1737457009
11048.134813
13908.2739746671
2860.13916166712
0.315487682643035
0.343678896571114
0.373860996052331
2009
219583.607875042
240983.675996257
264996.777763032
75982.9794104953
79457.06644324
83233.9703730139
50886.0440652438
53375.9600859678
56139.7886304254
15063.55158
18341.5394679307
3277.98788793066
0.33202503884908
0.362761791917809
0.395329759411841
2010
208460.150870498
226734.888939015
248662.739453636
67121.7484829856
70275.495986003
73861.927968319
50617.501530691
53227.1327374442
56178.9457709529
15101.0948831054
20444.0882169955
5342.99333389013
0.357281686713856
0.391643700242355
0.426084714762657
2011
175979.491089782
192913.559501582
210862.370715527
58887.114482616
61873.5693851574
65137.5089952422
43750.1293807261
46225.4105169396
48948.0450389894
13226.0636371546
17412.7360803476
4186.67244319296
0.326364510214175
0.359958738960334
0.396719895178294
2012
148859.328488762
162888.072730934
178383.602727573
57660.4819958217
60760.5841063385
64289.4780702347
45659.4744988973
48384.0632783687
51573.4030275382
14433.3430456614
18137.034887598
3703.69184193662
0.288460922025823
0.320639804025682
0.355204382364062
2013
160541.811875225
176745.316846282
195720.722241654
65973.2247377915
69811.4106986952
74164.4881307692
49584.7119017769
52921.2356861268
56731.6019149959
16024.5453954206
20909.7764915858
4885.23109616522
0.312908585746151
0.347266549728323
0.384952291554227
2014
152200.361152536
169030.1195361
189059.306902977
78584.6050525302
83827.8696608675
89770.4207033545
60727.5401897239
65219.9655594987
70366.1903930409
13277.369
15846.1621594929
2568.79315949287
0.244111182941295
0.271800440364272
0.303754717921454
2015
160377.908579939
182976.550231323
206960.802663809
71736.4435898232
77006.1482304984
82921.8920212712
54743.9527719548
59295.5269249973
64446.2657504028
11568.98613
13075.72368
1506.73755
0.207004711059008
0.231749212516498
0.258427395940865
2016
188960.054541169
224384.566122222
265345.772255411
84269.7053895235
91021.2637706353
98302.7255440571
63284.3523519572
68801.0522486732
74861.7284602522
11547.78002
13992.46299
2444.68297
0.205716603817454
0.231320290781283
0.258704909871791
2017
219794.596030249
275725.73963103
345339.627815189
90087.0704667973
98072.9725147299
106915.189639547
62960.0942667649
68651.8897702316
74901.5895655099
13784.43807
15957.29346
2172.85539
0.229201998010789
0.259903032889959
0.29376891308108
2018
163795.346902689
233695.314944216
330996.944398096
127093.060505104
141376.48442671
156784.997083803
83311.3938539701
92132.0028299062
101668.398561729
12147.16253
13885.20823
1738.0457
0.176990685934913
0.204153564811079
0.235459435378273
2019
107681.913622041
212697.190343321
429284.950106819
130493.409483092
149784.839752051
174166.069906579
88629.38548382
99708.0509124162
111492.39476802
12163.64628
13153.12215
989.47587
0.150281306200007
0.177938213208993
0.209135445775426
2020
218024
223393
229387
93126
107600
123589
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data