Stock assessment graphs

Year	Low Recruitment	Recruitment	High Recruitment	Low SSB	SSB	High SSB	Landings	Discards	Low F	F	High F
1986	52240	63019	73797	2654	3044	3434	1124	284	0.348	0.428	0.509
1987	34630	42022	49415	3350	3817	4284	1688	333	0.315	0.385	0.455
1988	44193	53826	63459	4221	4823	5425	2223	363	0.383	0.462	0.54
1989	44875	54179	63483	4378	5029	5680	2629	408	0.499	0.594	0.689
1990	28478	34541	40604	3726	4349	4972	1945	409	0.391	0.472	0.553
1991	60669	74564	88458	3771	4379	4987	1682	447	0.37	0.446	0.522
1992	52985	64231	75478	3876	4564	5252	1916	437	0.535	0.631	0.727
1993	16425	20062	23698	3357	3912	4467	1384	438	0.422	0.505	0.587
1994	39475	48168	56862	3478	3966	4454	1403	517	0.432	0.517	0.603
1995	47486	57203	66921	3160	3636	4112	1652	406	0.479	0.569	0.66
1996	36520	43551	50583	2354	2774	3194	1098	368	0.418	0.501	0.584
1997	23744	28605	33465	2124	2518	2912	896	308	0.284	0.348	0.411
1998	15492	18744	21995	3106	3633	4159	1123	378	0.361	0.44	0.519
1999	24550	29783	35016	2896	3437	3977	1125	317	0.345	0.421	0.496
2000	27867	33892	39917	2320	2799	3279	1041	373	0.383	0.466	0.548
2001	25056	29920	34783	1956	2438	2920	931	290	0.458	0.56	0.662
2002	31259	37354	43448	1951	2458	2965	720	308	0.28	0.35	0.421
2003	33990	41113	48236	2323	2842	3361	876	191	0.246	0.309	0.372
2004	30996	37464	43933	2433	2937	3441	1006	348	0.318	0.396	0.474
2005	51570	62264	72958	2494	2984	3475	983	375	0.287	0.362	0.437
2006	43892	53009	62126	2972	3611	4251	1092	335	0.296	0.372	0.448
2007	31616	38154	44692	2948	3605	4261	1104	292	0.276	0.359	0.442
2008	23425	28397	33370	3642	4551	5459	980	202	0.185	0.24	0.295
2009	48464	58581	68699	3982	5054	6126	1134	279	0.223	0.287	0.351
2010	34682	41824	48966	4180	5402	6624	1297	265	0.204	0.263	0.321
2011	38142	46284	54426	3700	4875	6051	1128	269	0.209	0.271	0.333
2012	46894	58161	69427	4025	5232	6439	952	369	0.18	0.234	0.289
2013	37041	46997	56953	4021	5297	6573	931	496	0.218	0.282	0.347
2014	60220	77750	95281	4205	5605	7004	1154	788	0.23	0.299	0.368
2015	44287	57227	70167	4101	5617	7134	1148	597	0.237	0.314	0.391
2016	58808	76424	94039	4386	6107	7827	1087	332	0.141	0.197	0.253
2017	39779	51519	63259	4712	6661	8609	927	246	0.121	0.172	0.222
2018	46210	60321	74432	5360	7675	9991	814	92	0.073	0.105	0.137
2019	37389	50430	63471	6757	9738	12719	742	201	0.08	0.112	0.143
2020	38715	56916	75116	7553	10776	14000	711	81	0.059	0.081	0.102
2021	13996	27427	40858	8959	12734	16509	722	109	0.06	0.082	0.104
2022	10307	42033	73758	9993	13947	17901	644	119	0.056	0.077	0.098
2023	0	48918	106554	10836	15087	19338	707	79	0.052	0.072	0.093
2024		43822			14759


Four-spot megrim (Lepidorhombus boscii) in divisions 8.c and 9.a (southern Bay of Biscay and Atlantic Iberian waters East)
Species:	Stock Assessment Graphs
Stock code:	ldb.27.8c9a
Assessment Year:	2024
Key:	19081


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


Fish reference points

Management plan	SSB_MP
Management plan	F_MP
MSY approach	MSYB_trigger	2932
MSY approach	F_MSY	0.176
Precautionary approach	B_lim	2321
	B_pa	2932
	F_lim	0.56
	F_pa	0.46

Age and Length

Recruitment	0
F	2-4


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