ICES Marine Data

Stock Assessment Graphs

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

Megrim (Lepidorhombus whiffiagonis) in divisions 8.c and 9.a (Cantabrian Sea and Atlantic Iberian waters) (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: asfis:MEG+fao:27.8.c;fao:27.9.a
Stock code: meg.27.8c9a
Assessment Component:
Assessment Year:2024
Purpose:Advice
Assessment Key: 19084
Stock Key: 169142

Year	Recruitment	Mean + 2*SD	Mean - 2*SD	SSB	Mean + 2*SD	Mean - 2*SD	Landings	Discards	F	Mean + 2*SD	Mean - 2*SD
	Age 1								Ages 2-4
	thousands			tonnes			tonnes	tonnes
1986	6997	8689	5305	1474	1690	1257	659	46	0.44	0.55	0.34
1987	8488	10479	6496	1169	1337	1001	497	40	0.27	0.34	0.20
1988	8799	10870	6729	1434	1626	1243	817	42	0.43	0.53	0.33
1989	10646	13139	8152	1559	1762	1355	714	47	0.40	0.49	0.31
1990	8378	10336	6420	1568	1764	1372	977	45	0.49	0.60	0.38
1991	5516	6798	4234	1323	1496	1150	614	41	0.49	0.60	0.38
1992	11421	14024	8818	1260	1440	1079	516	42	0.48	0.58	0.37
1993	5050	6202	3897	1142	1301	982	383	38	0.30	0.37	0.23
1994	1646	2016	1276	1104	1263	946	479	13	0.52	0.63	0.41
1995	7206	8799	5614	777	901	654	219	40	0.26	0.33	0.199
1996	7886	9644	6129	887	1017	757	329	44	0.26	0.32	0.198
1997	6625	8159	5091	970	1106	834	356	52	0.27	0.33	0.20
1998	4403	5451	3354	1130	1289	972	446	36	0.49	0.59	0.39
1999	2271	2804	1738	845	965	725	343	43	0.49	0.60	0.38
2000	3345	4114	2576	631	738	525	253	35	0.41	0.51	0.31
2001	2866	3502	2229	510	604	415	175	19	0.35	0.44	0.25
2002	2290	2781	1798	550	674	426	117	19	0.23	0.29	0.161
2003	2724	3310	2138	644	786	502	134	15	0.195	0.25	0.140
2004	3530	4320	2740	606	727	485	149	11	0.27	0.34	0.191
2005	2569	3156	1982	637	768	506	147	19	0.25	0.31	0.180
2006	2433	2993	1873	695	835	555	210	16	0.35	0.43	0.26
2007	2499	3050	1948	621	748	494	155	0	0.26	0.33	0.188
2008	1439	1754	1123	618	751	485	134	11	0.21	0.27	0.150
2009	1223	1483	962	648	785	510	84	11	0.125	0.159	0.090
2010	7082	8609	5556	657	787	526	84	5	0.106	0.134	0.078
2011	3750	4571	2930	868	1006	730	302	69	0.33	0.41	0.26
2012	2229	2730	1727	948	1090	806	262	31	0.35	0.43	0.27
2013	2440	3017	1863	869	1000	738	232	18	0.27	0.33	0.21
2014	1612	1997	1226	799	919	679	376	23	0.47	0.57	0.37
2015	8099	10056	6142	579	673	485	276	21	0.51	0.62	0.40
2016	7787	9682	5892	654	763	545	235	63	0.33	0.42	0.25
2017	6548	8285	4811	942	1111	773	247	41	0.24	0.30	0.171
2018	9339	12024	6653	1096	1305	888	315	37	0.46	0.61	0.32
2019	12710	16900	8521	1210	1516	903	238	51	0.21	0.29	0.137
2020	17655	24635	10674	1919	2457	1381	315	5	0.193	0.28	0.110
2021	22518	34055	10980	2364	3154	1574	262	32	0.123	0.177	0.070
2022	30678	55239	6117	3468	4735	2201	310	40	0.095	0.137	0.053
2023	26483	67473	0	5374	7530	3217	303	36	0.052	0.075	0.028
2024	3989			7607
Average	7261	10714	4361	1337	1432	913	333	31	0.32	0.39	0.24

Fishing pressure

Stock size

2021

2022

2023

2022

2023

2024

Maximum sustainable yield

F_MSY

Appropriate

MSY B_trigger

Above trigger

Precautionary approach

F_pa,F_lim

Harvested sustainably

B_pa,B_lim

Full reproductive capacity

Management plan

F_MGT

Below

B_MGT

Above trigger