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Lemon sole (Microstomus kitt) in Subarea 4 and divisions 3.a and 7.d (North Sea, Skagerrak and Kattegat, eastern English Channel)	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: Microstomus kitt
Stock code: lem.27.3a47d
Assessment Year:2021
Purpose:Advice
Assessment Key: 14370
Stock Key: 169132

Year	Relative recruitment (age 1)	95%	5%	Relative SSB	95%	5%	Landings	Discards	Total mortality Z	95%	5%
									Ages 3-5
							tonnes	tonnes	ratio
1968							6792
1969							5000
1970							3859
1971							4497
1972							4315
1973							5233
1974							4761
1975							5379
1976							5233
1977							6325
1978							6954
1979							7521
1980							7298
1981							7016
1982							8487
1983							9507
1984							8111
1985							7575
1986							5937
1987							6495
1988							6798
1989							7024
1990							7485
1991							7780
1992							7442
1993							7417
1994							6760
1995							6303
1996							6523
1997							6058
1998							7680
1999							7300
2000							7171
2001							6456
2002							4823
2003							4722
2004							4574
2005	0.69	0.96	0.49	0.84	1.176	0.671	4429	527	0.183	0.49	-0.109
2006	0.71	0.98	0.52	0.891	1.187	0.721	4294	1515	0.20	0.43	-0.052
2007	0.96	1.34	0.67	0.911	1.188	0.76	4468	451	0.41	0.64	0.169
2008	0.76	1.04	0.55	0.761	0.98	0.631	4153	898	0.38	0.61	0.131
2009	0.88	1.18	0.66	0.64	0.82	0.529	3405	996	-0.023	0.195	-0.25
2010	1.17	1.59	0.87	0.869	1.098	0.735	3234	673	0.0020	0.22	-0.23
2011	1.18	1.55	0.87	1.093	1.412	0.915	4030	1024	0.143	0.38	-0.096
2012	1.1	1.49	0.78	1.191	1.545	0.983	4099	2461	0.26	0.50	0.024
2013	0.83	1.13	0.63	1.129	1.44	0.938	3725	5938	0.25	0.47	0.021
2014	1.07	1.43	0.79	1.09	1.384	0.916	3645	1690	0.157	0.38	-0.072
2015	0.69	0.92	0.51	1.144	1.481	0.957	3480	1636	0.069	0.28	-0.154
2016	0.82	1.15	0.59	1.257	1.624	1.027	3834	1167	0.170	0.39	-0.060
2017	0.8	1.14	0.55	1.213	1.593	0.998	3315	651	0.25	0.48	0.0170
2018	0.91	1.35	0.6	1.042	1.369	0.866	3046	332	0.156	0.37	-0.063
2019	1.17	2	0.71	0.975	1.262	0.825	3273	605	0.121	0.37	-0.167
2020	2.26	5.6	1	0.953	1.333	0.753	2653	391	0.174	0.29	0.058
Average	1	1.55	0.67	1	1.306	0.827	5617	1310	0.182	0.41	-0.052

Fishing pressure

Stock size

2018

2019

2020

2018

2019

2020

Maximum sustainable yield

F_MSY

Below

MSY B_trigger

Undefined

Precautionary approach

F_pa,F_lim

Below possible reference points

B_pa,B_lim

Undefined

Management plan

F_MGT

Not applicable

B_MGT

Not applicable

Qualitative evaluation

-

Increasing

-

Stable