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Spurdog (Squalus acanthias) in subareas 1-10, 12 and 14 (the Northeast Atlantic and adjacent waters)
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DOI: 10.17895/ices.data.10247
Species: Squalus acanthias
Stock code: dgs.27.nea
Assessment Year:2020
Purpose:Advice
Assessment Key: 13967
Stock Key: 169094

 
 
 
 
 
 
 
 
       

 



YearRecruitment (pups at age 0)Mean + 2*SDMean - 2*SDTotal BiomassMean + 2*SDMean - 2*SDConstant Catches (2010+)DiscardsHarvest RateMean + 2*SDMean - 2*SD
        Ages 5-30  
 thousands  tonnes  tonnestonnesratio   
19054107224283033931411595770166407615274647248 0.00590.00640.0054
19064110524286493934551588700165700815203922200 0.001790.001960.00163
19074111454287473935431586910165522215185981428 0.001170.001270.00106
19084112034288073935991586010165432815176921409 0.001150.001260.00105
19094112574288623936521585210165353415168862022 0.001650.001800.00151
19104113314289403937221583890165222015155601563 0.001280.001400.00116
19114113824289933937711583140165147615148041957 0.001600.001750.00146
19124114434290583938281582090165043415137463199 0.00260.00290.0024
19134115444291663939221579920164827215115684050 0.00330.00360.0030
19144116654292963940341577080164544015087202641 0.00220.00240.00198
19154117304293663940941575800164417215074282602 0.00210.00230.00195
1916411787429427394147157469016430721506308534 0.000440.000480.00040
1917411773429410394136157571016441041507316339 0.000280.000300.00025
1918411748429382394114157693016453341508526451 0.000370.000400.00034
19194117224293533940911578020164643215096082659 0.00220.00240.00199
19204117654294003941301576950164537215085284396 0.00360.00390.0033
19214118584295023942141574250164268415058165321 0.00440.00480.0040
19224119714296283943141570800163924615023545401 0.00450.00490.0041
19234120764297463944061567480163594214990185655 0.00470.00510.0043
19244121784298623944941564130163260814956526355 0.00530.00580.0048
19254122844299853945831560310162880814918126719 0.00560.00610.0051
19264123834301023946641556390162491014878707277 0.00610.00660.0055
19274124754302163947341552190162073414836468395 0.00700.00770.0064
19284125634303313947951547190161576014786209522 0.00800.00870.0073
19294126384304393948371541420161002014728209320 0.00790.00860.0072
193041268243051639484815362301604866146759411914 0.01010.01100.0092
193141270343058539482115288701597544146019611838 0.01010.01100.0092
193241268143061239475015220501590770145333016726 0.01440.01570.0131
193341256843058039455615109001579672144212820244 0.01750.01910.0159
193441229443041539417314969701565806142813420378 0.01780.01940.0162
193541188243012039364414836901552600141478022266 0.01970.0210.0179
193641127342965039289614693501538348140035220925 0.01870.0200.0170
193741059242910339208114571601526260138806023930 0.0220.0240.0197
193840964542832139096914427601511976137354418196 0.01660.01810.0151
193940894942774339015514348401504186136549420119 0.01850.0200.0168
19404081044270313891771425580149506813560929428 0.00870.00950.0079
19414080304269863890741427420149706213577788740 0.00810.00880.0074
194240806742703538909914300701499872136026810625 0.00980.01070.0089
19434080324270203890441430890150086213609188181 0.00750.00820.0069
19444082224271983892461434180150432813640328151 0.00750.00820.0068
19454084514274073894951437440150776813671126776 0.00620.00680.0057
194640879342771038987614419601512472137144810895 0.01000.01080.0091
194740887842779338996314422701512970137157016893 0.01540.01680.0140
194840857542755038960014366601507554136576619491 0.01790.01950.0163
194940807042713938900114287301499826135763423010 0.0210.0230.0193
195040725442646438804414176701488976134636424750 0.0230.0250.021
195140621042559638682414053701476898133384235301 0.0330.0360.030
195240407942378538437313832301454998131146240550 0.0390.0420.035
195340107142119538094713568101428846128477438206 0.0370.0410.034
195439793941848337739513337801406112126144840570 0.0410.0440.037
195539417341519337315313093601382020123670043127 0.0440.0480.040
195638970441125636815212833701356398121034246951 0.0490.0540.044
195738427240642436212012545301327976118108445570 0.0490.0540.044
195837874340147935600712280301301950115411050394 0.0550.0610.050
195937202339541734862911975501272008112309247394 0.0540.0590.048
196036139950050322229511706101243972109724853997 0.0630.0690.057
196135305248902621707811376801209960106540057721 0.0690.0760.062
196234281447489221073611015801172764103039657256 0.0710.0780.064
19633316974594832039111066370113642299631862288 0.0800.0880.072
19643184024410441957601026380109528895747260146 0.0810.0890.072
1965305015422457187573988655105645592085549336 0.0690.0760.062
1966294536407808181264961705102848789492342713 0.0610.0680.055
1967286505396535176475941045100692387516744116 0.0650.0710.058
196827894938600117189791843598353585333556043 0.0840.0930.075
196926877037206416547688329194776981881352074 0.0810.0900.072
197026714037085216342885214991613978815947557 0.0770.0850.068
197126308636566016051282534188897376170945653 0.0760.0850.068
197226240136549715930580043986383173704750416 0.0870.0970.077
197325916736179115654377076183405770746549412 0.0890.0990.078
197425643535878515408574229080562267895845684 0.0860.0960.075
197525539335866315212371793978146165441744119 0.0860.0960.075
197625726836266215187469576275963463189044064 0.0890.1000.078
197725423435911614935267403273841860964642252 0.0890.1000.077
197823995533813314177765385271896458874047235 0.1030.1170.089
197921842430743212941662800869408256193438201 0.0870.0990.075
198020197828352212043461068967788554349340968 0.0960.1100.082
198118643926135511152358985865833852137839962 0.0970.1110.083
198217674124795110553156939063931049947032402 0.0810.0940.069
198317553424672410434455600162750148450137046 0.0950.1100.080
19841656032327059850153674960994746355135194 0.0940.1090.078
19851557282188949256251811859310244313438674 0.1060.1240.088
19861543962180869070649532957223741842130910 0.0880.1030.072
19871519162152168861647959355851140067542356 0.1240.1470.101
19881463262089128374045167853274837060835569 0.1100.1320.088
19891491952144598393143054551395134713930279 0.0990.1200.078
19901414812036657929741405949982532829329906 0.1020.1250.079
19911500162167988323439838148676730999529563 0.1050.1300.080
19921399772049377501738249747359929139529046 0.1070.1350.080
19931254951843696662136636046020027252025637 0.1000.1280.072
19941225131802776474935356145030925681320851 0.0850.1100.060
19951100811637355642734480044441024519021318 0.0880.1150.061
19961106761676225373033547243812423282017295 0.0730.0960.049
19971111961698625253032988143569922406315348 0.0650.0870.043
19981105171696055142932574543477721671313919 0.0600.0800.039
19991088571676075010732246143471121021112385 0.0530.0730.034
20001103001697585084232032343584520480115891 0.0690.0940.043
20011094141710084782031427843313019542616693 0.0730.1020.045
20021116931760874729930738742972318505111170 0.0500.0710.030
20031172821858804868430623943223918023912247 0.0550.0790.032
2004119778191080484763040864339081742649366 0.0430.0620.024
2005122471196037489053049724387661711788426 0.0390.0560.021
2006121151194731475713067484446041688924109 0.01870.0270.0102
2007126186202992493803131694552991710392929 0.01310.01910.0071
2008132629213073521853211454677931744971836 0.00790.01160.0043
2009140680225314560463306714821071792352640 0.01110.01620.0060
201015600724685365161340320497076183564124912190.01010.01480.0055
20111390832225135565334917251084018750458018880.00990.01450.0053
20121391112217135650935810252475819144626122070.00970.01410.0052
20131448432312175846936745553929519561533321350.00940.01380.0050
20141434722283065863837677055379019975038320850.00910.01350.0048
20151482382365665991038634356864120404526322050.00890.01310.0046
20161587872531296444539640058419220860837320950.00870.01280.0045
20171629682598986603840656959988521325329621720.00840.01250.0044
20181662112659996642341683661568221799036321050.00820.01220.0042
20191581332525976366942653263063222243245420140.00800.01190.0041
202017175624984493668436999646599227399     
Average292216.845345862.721238570.96999557510836799074722159120130.0410.0480.033

 


 
 Fishing pressure Stock size
  201720182019  201820192020
Maximum sustainable yieldFMSYBelow MSY BtriggerBelow trigger
Precautionary approachFpa,FlimBelow possible reference points Bpa,BlimUndefined
Management planFMGTNot applicable BMGTNot applicable