Stock assessment graphs

Year	Low Recruitment	Recruitment	High Recruitment	Low SSB	SSB	High SSB	Catches	Low F	F	High F
1983	215483396	297820049	411617708	320284	460469	662010	378795	0.487	0.6	0.741
1984	54690971	76057485	105771409	139954	196025	274561	498626	0.55	0.678	0.837
1985	375911222	513109587	700381986	329866	451802	618813	437114	0.588	0.725	0.894
1986	55587310	77438916	107880481	208716	270493	350554	382844	0.396	0.487	0.598
1987	33537441	47583661	67512747	722608	975787	1317673	373021	0.308	0.38	0.469
1988	149592379	205920350	283458226	427002	576079	777203	413646	0.429	0.526	0.647
1989	66848763	92618550	128322431	123059	155127	195552	446028	0.703	0.808	0.928
1990	95882347	131563476	180522784	189806	247459	322623	306240	0.702	0.807	0.927
1991	119143933	163610637	224673133	254442	329720	427270	332204	0.495	0.574	0.665
1992	26602913	37058192	51622527	221815	284930	366005	558599	0.726	0.835	0.961
1993	113632986	155942826	214006214	197451	260146	342749	132024	0.321	0.369	0.425
1994	163433870	223741069	306301662	137998	177726	228891	193241	0.26	0.299	0.343
1995	40538875	56288454	78156833	310153	399113	513589	400588	0.487	0.56	0.644
1996	297805183	404030125	548144730	284598	364762	467505	265869	0.454	0.522	0.601
1997	45561108	63148522	87524997	186622	233048	291023	426089	0.443	0.515	0.597
1998	87248625	120842669	167371699	398859	525445	692205	377073	0.549	0.631	0.726
1999	115737579	159252253	219127447	170604	222571	290366	422718	0.788	0.916	1.065
2000	182420451	253025289	350957344	113885	142201	177559	299167	0.636	0.74	0.861
2001	305957070	418421560	572226040	127494	161458	204469	531265	1.011	1.191	1.404
2002	19171439	26775558	37395758	121814	156530	201138	606466	0.702	0.816	0.949
2003	117511140	161174792	221062562	183960	243775	323038	148039	0.605	0.704	0.819
2004	50735227	68819659	93350237	71441	93620	122685	203646	0.615	0.714	0.83
2005	121162653	164102206	222259363	89468	116891	152720	123422	0.794	0.934	1.097
2006	59459412	79478730	106238329	61592	76344	94628	240646	0.973	1.144	1.345
2007	149312057	198242185	263206904	71208	94466	125322	109624	0.351	0.412	0.484
2008	57551499	77827080	105245814	105260	130614	162074	234447	0.665	0.782	0.918
2009	432121431	560870164	727979032	116029	147709	188039	290995	0.834	0.981	1.154
2010	26192887	35039971	46875306	107111	130875	159912	300508	0.445	0.524	0.616
2011	32594463	43618852	58372008	367412	478303	622663	318840	0.494	0.581	0.684
2012	79194356	104218478	137149812	119194	159213	212668	46117	0.092	0.108	0.127
2013	45998151	60976555	80832384	68678	85391	106172	214359	0.578	0.68	0.799
2014	164474334	219749759	293601778	52110	66636	85212	78830	0.344	0.404	0.476
2015	27718785	36910256	49149592	70527	87904	109562	163381	0.324	0.381	0.448
2016	212431961	274647770	355084977	183406	240867	316331	14613	0.023	0.027	0.031
2017	14999212	19677767	25815659	129472	161619	201749	241916	0.439	0.517	0.607
2018	26704446	36433528	49707152	163845	208772	266020	129525	0.454	0.536	0.632
2019	82846407	122179276	180186155	56761	73718	95740	60678	0.446	0.526	0.621
2020	23930880	52640692	115793592	53348	68734	88558	103282	0.419	0.493	0.58
2021		110640139		88962	128284	184985


Sandeel (Ammodytes spp.) in divisions 4.b and 4.c, Sandeel Area 1r (central and southern North Sea, Dogger Bank)
Species:	Stock Assessment Graphs
Stock code:	san.sa.1r
Assessment Year:	2021
Key:	14067


Unit weights	tonnes
Unit recruitment	thousands
Fishing pressure description	F
Fishing pressure units	ratio
Stock size description	SSB
Stock size units	tonnes


Fish reference points

Management plan	SSB_MP
Management plan	F_MP
MSY approach	MSYB_trigger
MSY approach	F_MSY
Precautionary approach	B_lim	110000
	B_pa	145000
	F_lim
	F_pa

Age and Length

Recruitment	0
F	1-2


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