Stock assessment graphs

ICES Marine Data

Stock Assessment Graphs


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Greater-spotted dogfish (Scyliorhinus stellaris) in subareas 6 and 7 (West of Scotland, southern Celtic Sea, and the English Channel)
Species:	Stock Assessment Graphs
Stock code:	syt.27.67
Assessment Year:	2017
Key:	8960


Unit weights	tonnes
Unit recruitment	thousands
Fishing pressure description
Fishing pressure units
Stock size description	Abundance Index
Stock size units	n/hour


Fish reference points

Management plan	SSB_MP
Management plan	F_MP
MSY approach	MSYB_trigger
MSY approach	F_MSY
Precautionary approach	B_lim
	B_pa
	F_lim
	F_pa

Age and Length

Recruitment	0
F

Fish data

Year	Low SSB	SSB	High SSB
1993	-0.0296388287687152	0.0652173913043478	0.160073611377411
1994	0.00157546039400806	0.0927835051546392	0.18399154991527
1995	-0.00754758543289359	0.0631578947368421	0.133863374906578
1996	0.00301179816581283	0.0842105263157895	0.165409254465766
1997	0.0127612270690219	0.189473684210526	0.366186141352031
1998	0.0561408585304496	0.168421052631579	0.280701246732708
1999	0.134829590229126	0.448138018093836	0.761446445958545
2000	-0.0215613339146062	0.304347826086957	0.630256986088519
2001	0.0605711765720021	0.208333333333333	0.356095490094665
2002	0.0200862827283028	0.268041237113402	0.515996191498501
2003	0.117411467721506	0.329896907216495	0.542382346711483
2004	0.128568451412078	0.364583333333333	0.600598215254589
2005	0.164187265619341	0.416666666666667	0.669146067713993
2006	0.0897757984534883	0.268041237113402	0.446306675773316
2007	0.0807475899621355	0.268041237113402	0.455334884264669
2008	0.0271999194439482	0.209677419354839	0.392154919265729
2009	0.0598940859354364	0.206185567010309	0.352477048085182
2010	0.134287422082576	0.421052631578947	0.707817841075318
2011	0.277575420258022	0.814814814814815	1.35205420937161
2012	0.31919002649175	0.562976243836845	0.806762461181939
2013	0.176024307130071	0.363167760074977	0.550311213019882
2014	0.225313169178148	0.474226804123711	0.723140439069275
2015	0.190332827254441	0.412371134020619	0.634409440786796
2016	0.126541769761033	0.35968137254902	0.592820975337006

Custom reference points

Custom fish data column names

CustomName1
Abundance

Custom fish data

Year	Custom1
1993	0.0946005510860489
1994	0.240670264767877
1995	0.191741026743299
1996	0.334554392861715
1997	0.43513779912305
1998	0.567804568542105
1999	0.921739703463821
2000	0.429555826769533
2001	0.560167007180433
2002	0.229486649534969
2003	0.664535604108739
2004	0.863800828866808
2005	1.10079509557914
2006	0.897537721999716
2007	0.476430576216201
2008	0.391373538527156
2009	0.638148099468007
2010	0.437430742216112
2011	1.63852324543753
2012	1.47281561914219
2013	0.971580389158161
2014	1.18620812506676
2015	1.16686112253032
2016	0.780087056650271

Sensivity data