ICES Marine Data

Stock Assessment Graphs

	Stock assessment graphs > View list of published graphs and tables > View published graphs and tables

Whiting (Merlangius merlangus) in Division 6.a (West of Scotland) (Link to advice)	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

Species: Merlangius merlangus
Stock code: whg.27.6a
Assessment Component:
Assessment Year:2022
Purpose:Advice
Assessment Key: 17302
Stock Key: 169308

Year	Recruitment	97.5%	2.5%	SSB	97.5%	2.5%	Landings	Discards	F	97.5%	2.5%
	Age 0								Ages 1-3
	thousands			tonnes			tonnes	tonnes
1981	792418	1365066	459996	108518	151393	77786	12194	2132	0.136	0.20	0.091
1982	816452	1337413	498421	91467	121993	68579	13880	5485	0.20	0.28	0.142
1983	1068364	1736379	657345	66838	85011	52550	15962	6294	0.30	0.41	0.22
1984	876855	1424156	539881	46702	57605	37862	16459	4017	0.38	0.51	0.28
1985	744978	1229290	451474	37889	47137	30455	12879	4840	0.44	0.59	0.32
1986	1338213	2217501	807581	32190	40629	25504	8458	2669	0.31	0.43	0.23
1987	502134	826076	305224	35679	44227	28783	11542	11918	0.44	0.58	0.33
1988	752010	1265733	446791	39873	51236	31030	11349	8132	0.51	0.67	0.38
1989	651153	1054675	402020	26023	32657	20737	7523	5876	0.46	0.62	0.34
1990	852259	1371717	529516	24796	32126	19138	5642	4530	0.32	0.43	0.23
1991	1131396	1827931	700276	27048	34224	21377	6657	4883	0.32	0.43	0.23
1992	767342	1235727	476492	32522	40749	25955	6004	9249	0.31	0.42	0.22
1993	782199	1256149	487073	37808	47966	29801	6871	4759	0.27	0.37	0.193
1994	755541	1203255	474415	36153	45084	28991	5900	3455	0.24	0.34	0.176
1995	682976	1081293	431387	36487	45144	29491	6078	5771	0.31	0.42	0.23
1996	640194	1015406	403631	33447	41156	27181	7158	7940	0.42	0.56	0.31
1997	654177	1019088	419932	26670	32849	21653	6291	5251	0.41	0.55	0.30
1998	398209	629639	251844	22542	27771	18297	4628	9216	0.56	0.75	0.42
1999	865524	1368304	547489	17817	22344	14208	4613	3975	0.56	0.76	0.42
2000	326837	515561	207196	15340	19091	12326	3011	13285	0.60	0.80	0.45
2001	204756	339642	123439	17587	23100	13389	2439	4263	0.42	0.58	0.30
2002	274808	436584	172978	13606	17752	10429	1768	2851	0.38	0.55	0.26
2003	214958	333162	138692	9806	12976	7411	1331	1991	0.34	0.51	0.22
2004	118957	187922	75301	8857	12011	6531	798	2897	0.40	0.62	0.25
2005	109455	172852	69310	7333	10389	5175	334	975	0.190	0.30	0.121
2006	68001	109321	42299	6631	9386	4684	378	750	0.161	0.25	0.105
2007	60957	97979	37923	6399	9120	4489	481	365	0.127	0.195	0.082
2008	103708	169388	63495	5848	8409	4067	442	156	0.098	0.152	0.063
2009	303805	504451	182966	5870	8419	4093	480	832	0.126	0.193	0.082
2010	95360	160152	56780	7753	11143	5395	337	1104	0.152	0.24	0.097
2011	200140	330352	121253	11738	17766	7755	229	631	0.082	0.134	0.051
2012	108065	183626	63597	12242	18557	8077	305	772	0.103	0.169	0.063
2013	243043	410615	143857	13389	20730	8647	216	1223	0.125	0.21	0.073
2014	447703	751764	266623	11995	18569	7749	181	745	0.063	0.106	0.037
2015	307589	518092	182614	15192	23458	9838	224	1459	0.075	0.125	0.045
2016	261930	439172	156219	22004	34551	14014	227	1039	0.061	0.104	0.036
2017	194799	340036	111597	24777	38744	15845	178	1329	0.065	0.110	0.039
2018	396956	677437	232604	24363	37728	15732	191	648	0.052	0.088	0.031
2019	433379	756332	248326	22780	34917	14861	502	929	0.067	0.113	0.040
2020	199449	389299	102183	26085	40258	16902	544	817	0.064	0.113	0.036
2021	273676	803174	93253	29141	45786	18547	875	262	0.070	0.139	0.036
2022	273749	786755	93827	29167	47163	17660
Average	483202	806630	292312	26866	36222	20071.29	4526	3652	0.26	0.37	0.184

Fishing pressure

Stock size

2019

2020

2021

2020

2021

2022

Maximum sustainable yield

F_MSY

Below

MSY B_trigger

Above trigger

Precautionary approach

F_pa,F_lim

Harvested sustainably

B_pa,B_lim

Full reproductive capacity

Management plan

F_MGT

Not applicable

B_MGT

Not applicable