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Megrim (Lepidorhombus whiffiagonis) in divisions 7.b-k, 8.a-b, and 8.d (west and southwest of Ireland, Bay of Biscay)	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: Lepidorhombus whiffiagonis
Stock code: meg.27.7b-k8abd
Assessment Year:2021
Purpose:Advice
Assessment Key: 16699
Stock Key: 169141

Year	Recruitment	97.5%	2.5%	SSB	97.5%	2.5%	Landings	Discards	F	97.5%	2.5%
	Age 1								Ages 3-6
				tonnes			tonnes	tonnes	Year-1
1984	231059	253215	211897	70187	73105	67430	16659	2169	0.21	0.24	0.192
1985	207848	226931	191065	71120	74311	68390	17865	1732	0.24	0.26	0.22
1986	198246	217909	181666	71593	74851	68639	18927	2321	0.23	0.25	0.21
1987	183587	203252	167756	74944	78325	71792	17114	1705	0.23	0.25	0.21
1988	195229	215111	177820	65531	68616	62735	17577	1725	0.26	0.28	0.24
1989	244696	267729	224019	55195	57971	52679	19233	2582	0.34	0.37	0.31
1990	255240	279616	233579	47296	49802	44941	14370	3284	0.38	0.41	0.35
1991	286582	311481	263645	48493	51050	46154	15094	3282	0.44	0.48	0.40
1992	242634	264471	223924	50020	52608	47700	15600	2988	0.36	0.39	0.33
1993	186001	201196	171991	54170	56787	51735	14929	3108	0.37	0.41	0.34
1994	197735	214214	182809	53069	55434	50752	13684	3284	0.33	0.36	0.31
1995	239356	259843	221239	59147	61856	56568	15862	2652	0.35	0.38	0.32
1996	250722	273255	230669	53124	55608	50770	15109	3026	0.35	0.38	0.32
1997	209956	229260	192613	56627	59207	54210	14230	3066	0.31	0.34	0.29
1998	266229	289862	243771	58894	61582	56394	14345	5371	0.33	0.36	0.30
1999	223925	244392	204509	49568	52013	47315	13305	3297	0.34	0.37	0.31
2000	283863	310174	258835	50364	52663	48076	15031	1870	0.34	0.38	0.31
2001	224802	247142	204954	51982	54430	49659	15778	2262	0.42	0.45	0.38
2002	259986	285812	237683	47340	49649	45156	15987	2813	0.48	0.52	0.44
2003	259629	285207	236506	44182	46363	42256	15711	4008	0.50	0.54	0.46
2004	203598	223491	186534	39114	41080	37304	14358	6243	0.43	0.47	0.40
2005	227670	249576	209131	38779	40591	37006	12888	3275	0.54	0.59	0.50
2006	291747	319819	268344	36987	38899	35255	12037	3751	0.41	0.45	0.37
2007	256741	280340	234330	40426	42372	38565	13060	3033	0.46	0.50	0.42
2008	198938	218102	181467	43962	46174	41927	11048	2860	0.34	0.37	0.31
2009	243017	266725	221399	53360	56110	50845	15064	3278	0.36	0.39	0.33
2010	231345	254296	211645	53191	56178	50517	15101	5343	0.39	0.42	0.36
2011	193178	211834	176788	46274	49120	43838	13226	4187	0.36	0.40	0.33
2012	168049	183007	154480	48592	51762	45761	14433	3704	0.32	0.36	0.29
2013	172164	189152	157199	53149	56898	49840	16025	4885	0.35	0.38	0.31
2014	165400	182291	150324	65446	70656	60786	13277	2569	0.27	0.30	0.24
2015	168637	189702	150608	59350	64710	54712	11569	1507	0.23	0.26	0.21
2016	193255	220996	169495	68380	74778	62874	11548	2445	0.23	0.26	0.21
2017	244072	290188	204114	66776	73075	61306	13784	2173	0.27	0.31	0.24
2018	249882	317614	194749	86206	94920	78537	12147	1738	0.23	0.26	0.196
2019	355298	499357	249793	90958	101189	81868	12164	989	0.20	0.23	0.173
2020	221690	227698	216068	100112	113233	88194	11141	885	0.137	0.165	0.117
2021	221690	227698	216068	126311	145747	108523
Average	227729	253473	205618	59216	63256	55553	14575	2957	0.33	0.37	0.30

Fishing pressure

Stock size

2018

2019

2020

2019

2020

2021

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

Not applicable