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Witch (Glyptocephalus cynoglossus) in Subarea 4 and divisions 3.a and 7.d (North Sea, Skagerrak and Kattegat, eastern English Channel)
Species: Stock Assessment Graphs
Stock code: wit.27.3a47d
Assessment Year: 2021
Key: 16770
   
   
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 SSBMP  
FMP  
MSY approach MSYBtrigger 4381  
FMSY 0.147  
Precautionary approach Blim 3077  
Bpa 4381  
Flim 0.321  
Fpa 0.277  
       
Age and Length      
       
Recruitment 1  
F 4-8  
       
       
 
Fish data
YearLow RecruitmentRecruitmentHigh RecruitmentLow SSBSSBHigh SSBLandingsCatchesDiscardsLow FFHigh F
19501785129065473241794388183972379  0.1410.270.519
19511861229811477491728377882582568  0.1460.2820.547
19522036332116506541610360980922554  0.1450.2880.57
19532219134617540001485344379832263  0.1340.2750.563
19542244135344556661424337279841590  0.1160.2450.517
19552087833673543101427338880442027  0.1210.2520.527
19561800629653488331468343580421936  0.1220.2520.52
19571535225612427301540350479771991  0.1290.260.521
19581386222818375611574349877722678  0.1490.2890.561
19591295421057342301531337474352333  0.1540.2980.576
19601172919398320811410315470532563  0.1620.3140.612
19611045417572295351253288966642093  0.1510.3030.606
1962945115838265421133267963331419  0.1340.2740.561
1963855414422243171043250159991523  0.1380.2830.577
196475761314922822933228155751760  0.150.3070.631
196569711234921873819204751181356  0.1430.3010.633
196672621263221974722184747251137  0.1370.2940.632
196786171437523981633166844001125  0.1370.3030.667
1968112651798028696544150241521174  0.1360.3120.717
196913881219483470447913884016891  0.1160.2820.685
197015656250694014247113744011597  0.0960.240.6
197116138259274165651514524094843  0.1020.2470.596
197216108262224268860115924217908  0.110.2540.585
1973161002627042863711176443751494  0.1310.2820.606
1974165832710144290827194345621138  0.1290.2720.574
1975181702950747917922209847701841  0.1470.2960.598
1976214133409154277983220649521496  0.1420.2860.576
19772701741829647621037231751751618  0.1420.2830.566
19783339050905776081102244554231664  0.1390.2760.548
19793720058106907611221264457301572  0.1340.2630.514
19803773560432967821427294960951883  0.140.2620.493
19813672658930945571746337065011933  0.1470.2620.467
19823562756863907572144383468573155  0.180.2960.485
19833530055891884922515420970443606  0.2040.3180.496
19843665057238893902771443871103903  0.2180.3320.505
19853779058287899002893453771163979  0.2220.3340.502
19863734858026901522949458671323579  0.2170.3240.484
19873430454234857432995463471713700  0.2140.3190.475
19883084049434792383074471572313290  0.2080.3060.451
19892859845694730113176480172563841  0.2160.3120.452
19902863644958705843233480671433862  0.220.3130.447
19913008746234710453244475169583641  0.2150.3040.43
19923269949519749933223467267733164  0.2020.2860.404
19933450552277792043215463866912673  0.1870.2660.377
19943522454223834713238466167092696  0.1830.2590.368
19953519154388840563299473968072810  0.1830.260.369
19963512453757822733376483269152790  0.1890.2670.379
19973384251498783633408487369693494  0.2110.2980.422
19983157948392741563309476668633786  0.2330.3330.476
19992898744815692843082450965984024  0.2580.3720.537
20002763242720660442773412461344422  0.2870.4150.6
20012908843621654162473369055064206  0.3090.4410.629
20022947143110630602225327248113813  0.3250.4550.638
20032706538816556682069293741683308  0.3350.4550.618
20042100129631418071999269836413059  0.3440.4510.591
20051832925439353062008256632802960  0.3440.4340.548
20062101727796367622052251030702335  0.320.3920.48
20071790824932347122083247329362271  0.3070.370.446
20083014038313487022035237827791999  0.2990.3610.435
200946115584897418218932209257718942303408.90.3050.370.45
201040744515926532918662188256615502074523.60.2620.3220.396
201127144349084489220732432285117722220447.80.2020.2530.317
201225613329874248524702891338421532600446.60.1780.2240.283
201328393366344726529893512412520332258225.40.1850.2310.289
201425000325534238833273958470927412992251.30.2170.2720.34
201518357245293277634004119499023632762399.20.2040.2570.323
201615030213613035933664165515330253312286.80.2030.2590.331
201722750326424683532194117526633603509149.80.2210.2910.382
201823615364195616729173930529431413293151.50.210.2910.404
201929218484728041425353643523727072890183.10.2020.2950.43
202022700423097885422223415524719802164184.10.180.2790.434
2021 36419  3562       
 
 
 
 
Custom reference points
 
Custom fish data column names
 
Custom fish data
 
 
 
 
Sensivity data