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Whiting (Merlangius merlangus) in Division 7.a (Irish Sea)	Download graphs and tables(.doc) Download stock data (XML) Download standard graphs (zip) - regular size Download standard graphs (zip) - powerpoint size View on the map View source data
DOI: 10.17895/ices.data.6939
Species: Merlangius merlangus
Stock code: whg.27.7a
Assessment Year:2017
Purpose:Advice
Assessment Key: 8885
Stock Key: 169305

Year	Recruitment	High	Low	SSB	High	Low	Landings	Discards	F	High	Low
	Age 0								Ages 1-3
	thousands			tonnes			tonnes	tonnes	Year-1
1980	634875	841455	428295	32629	43329	21929	13422	3314	0.37	0.49	0.25
1981	322564	459044	186084	43090	53656	32524	18267	3064	0.45	0.58	0.31
1982	285178	411728	158628	34579	43809	25348	17167	801	0.49	0.66	0.33
1983	880701	1103161	658241	21953	29518	14387	10577	1829	0.50	0.70	0.31
1984	630674	828154	433194	14973	21133	8813	11619	3380	0.61	0.83	0.40
1985	513723	690103	337343	22715	29373	16056	15525	2644	0.75	0.99	0.50
1986	870583	1098323	642843	18154	23986	12322	10063	2066	0.58	0.78	0.38
1987	474957	639287	310627	16163	21606	10720	10411	3859	0.62	0.82	0.42
1988	488278	645698	330858	20449	26147	14750	10245	1611	0.52	0.69	0.35
1989	601748	762188	441308	16984	22184	11784	11305	2103	0.73	0.97	0.49
1990	523266	653906	392626	12681	16836	8526	8212	2444	0.62	0.81	0.43
1991	686554	801524	571584	13791	17398	10185	7348	2598	0.62	0.78	0.46
1992	229805	264788	194822	11895	14375	9415	8588	4203	1.01	1.19	0.82
1993	214792	242862	186722	9982	11508	8456	6523	2707	0.80	0.93	0.66
1994	184671	210012	159330	5758	6702	4815	6763	1173	0.83	0.97	0.68
1995	343300	384003	302597	4139	4828	3450	4893	2151	0.81	0.95	0.67
1996	204896	231289	178503	2891	3435	2347	4335	3631	0.88	1.01	0.75
1997	172204	196233	148175	3121	3598	2644	2277	1928	0.77	0.90	0.64
1998	168308	190271	146345	2584	3001	2168	2229	1304	1.07	1.25	0.89
1999	209650	236461	182839	1559	1869	1249	1670	1092	0.85	1.00	0.69
2000	109785	125088	94482	1516	1805	1226	762	2118	1.10	1.28	0.93
2001	193639	218933	168345	1339	1571	1106	733	1012	0.90	1.06	0.73
2002	80493	91462	69524	1192	1423	960	747	740	1.22	1.42	1.02
2003	121095	139180	103010	1205	1414	997	517	480	0.61	0.75	0.46
2004	95987	107996	83978	1278	1529	1027	133	905	1.67	1.97	1.38
2005	106343	121094	91592	551	697	404	125	272	0.44	0.56	0.32
2006	155909	175565	136253	1086	1324	849	64	1773	1.50	1.77	1.22
2007	104358	118032	90684	587	747	427	35	1512	1.18	1.38	0.97
2008	149762	168448	131076	730	883	577	37	1169	0.95	1.14	0.77
2009	93394	105866	80922	743	902	584	39	1321	1.08	1.27	0.89
2010	93123	105076	81170	830	991	670	30	1154	1.12	1.34	0.90
2011	152628	171810	133446	620	765	476	31	946	0.84	1.01	0.67
2012	79945	90784	69106	690	838	542	60	1339	1.11	1.30	0.91
2013	160975	183552	138398	845	1015	675	33	948	0.64	0.78	0.50
2014	202376	227086	177666	957	1159	754	23	1951	1.43	1.70	1.16
2015	111405	129131	93679	708	894	521	28	1521	0.90	1.10	0.70
2016	73818	92169	55467	1134	1397	872	15	765	0.57	0.74	0.39
2017	117107			1426
Average	285339	358426	221345	8619	11288	6339	4996	1833	0.84	1.02	0.66

Fishing pressure

Stock size

2014

2015

2016

2015

2016

2017

Maximum sustainable yield

F_MSY

Above

MSY B_trigger

Below trigger

Precautionary approach

F_pa,F_lim

Harvested unsustainably

B_pa,B_lim

Reduced reproductive capacity

Management plan

F_MGT

Not applicable

B_MGT

Not applicable