ICES Marine Data
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Megrim (Lepidorhombus spp.) in divisions 4.a and 6.a (northern North Sea, West of Scotland)
Species: Stock Assessment Graphs
Stock code: lez.27.4a6a
Assessment Year: 2024
Key: 18941
   
   
Unit weights tonnes
Unit recruitment thousands
Fishing pressure description F/Fmsy
Fishing pressure units ratio
Stock size description TSB/Bmsy
Stock size units tonnes
       
Fish reference points      
       
Management plan SSBMP  
FMP  
MSY approach MSYBtrigger 0.5  
FMSY 1  
Precautionary approach Blim 0.3  
Bpa 0.5  
Flim  
Fpa  
       
Age and Length      
       
Recruitment 0  
F  
       
       
 
Fish data
YearLow SSBSSBHigh SSBLandingsCatchesDiscardsLow FFHigh F
19851.295077582596662.388533645524213.70597660518764499642719280.3689031317398060.6540123679995771.10310218562764
19861.083570628929811.642792507218462.23678238572182858405111930.3263503191165950.5224710533143780.766679784020442
19871.104399835177611.552258465831232.042127037298624614648818740.5472191296036110.9150067879182581.30939115891416
19881.021846499306881.424496015050762.006667282818675212727320610.6215715356792191.139341264587551.64885526029542
19890.8277754988272171.157719467963041.575722829263563451477813270.4996183463765870.8628035228028661.25398287189603
19900.7496625676536821.059921446737251.426747638894493047418711400.4698961519387320.8100454109631821.19534656009338
19910.7016548750007150.9982698689398691.30485707726683310451412040.5565228222360030.9321005928242871.42383555154818
19920.7213913520705311.049005835371421.366505241180773574483712630.5696387161982330.9599808713844511.43393680895288
19930.7934386724004161.122296162675811.528475237073153802510713050.5488773883066390.9574231260973991.41407750926723
19940.8231850869383711.210948080579131.734581843968913900520013000.5040662959901020.9148165437880021.36152600845963
19950.8693300804448191.240525958682131.799234503360724670618115110.5993746990195051.086814189608711.61855153946445
19960.843313411898671.198400720318491.773393122150795253690216490.6763954182616611.283249447496481.91526583524928
19970.7298262492660331.015261526038231.379962385357014856633414780.7623865979490871.364426325858241.96831780800747
19980.6779052076237320.9629616307869561.345244292856954253550712540.6453049914604751.231093443512881.81382909333503
19990.6432944440967390.9280225570740981.362069687045123759483310740.5733450357305661.106958897711071.65958535335528
20000.6029583970986950.8724502594717031.23369062422482349444609660.5748021778741731.069983146102081.60933416303727
20010.5615969522413780.8105194197192371.12331736848324357145279560.6440365863534651.17307529246171.80452597362223
20020.5678524300296010.8325902299590841.19994158403618280335287250.4612474536235850.8612856645670761.33021239310201
20030.5906706171193020.8687332893534641.25456669644889236929615920.3631271005986780.6822681479465481.0387459998346
20040.6173035972317290.882353601035351.2203664856047206725664990.3314157747897870.5706827499854020.856365351134471
20050.6560621088345180.9074940636055741.19092965715956152718833560.2462088339096250.3956571018456570.606358856216578
20060.7678821254779281.031400366534181.32433622403228205425154610.2966777840067330.4763489077389350.732912250535508
20070.8936857781233021.19842219467141.54087046741418234828565080.2889831086077450.4760202718337210.712194075742828
20080.9704420022260331.321078725774721.69535723999387289434966020.3359355051414130.5405238097263390.817564629138144
20091.050420277971141.434484363415891.85287304630257287134455740.3035059747643750.4942930556429360.733322517858486
20101.105813887423181.459222380858671.90168732007152319738116140.3278640823265230.5406676515637780.773474864522611
20111.100161450297551.485379996065421.90666814172022273832645260.2817791879955450.4509817804593840.647929833706797
20121.228369314202681.625160287672362.12969939001266252429734490.2405691670962930.3782871461566430.542762871277485
20131.370580179811531.85224415676272.51569021579178273730643270.2217801764285470.351715979377640.515250836336125
20141.371019566797351.845704371068922.44836270495631250028093090.1955765908155980.321711016018580.464971864272392
20151.284578492157011.695176749224742.17487329443443234024991590.1989165026763240.3037977797537780.438015845423677
20161.386093031112371.789477821432612.27837371142426274429111670.2159662888706580.3401860242671370.478243419600049
20171.43022763370291.932172707217752.61065228731845259427871930.1893422627784710.307598719696560.446316048208558
20181.339013604545351.730328257936262.20884535038505308733422550.2609564734959890.404307152545590.574535247350945
20191.192162422162041.586116527609862.00796378044147319733811840.2867684769359630.4407273929304990.631586362732276
20201.174038811621641.591540183301492.11899092814706331535292140.2893958950529210.46119570353230.666627215427576
20211.195244825910411.565765288016272.0044416605515360338032000.3168015363787850.5054996623691720.72950989995617
20221.124603698990751.546056006699052.0053358567602924202507870.2044996037550270.3312720964493070.495316835884691
20231.090444074079841.474396451298861.89816047110184235224661140.2134799384677610.3378973647550210.510400435715569
20240.9816840765373471.481361734828882.02770461418398      
 
 
 
 
Custom reference points
CustomRefPointNameCustomRefPointValueCustomRefPointNotes
custom1  
custom2  
custom3  
custom4  
custom5  
 
Custom fish data column names
 
Custom fish data
 
 
 
 
Sensivity data