ICES Marine Data

Stock Assessment Graphs

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

Norway lobster (Nephrops norvegicus) in Division 4.b, Functional Unit 8 (central North Sea, Firth of Forth)	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
DOI: 10.17895/ices.data.7197
Species: Nephrops norvegicus
Stock code: nep.fu.8
Assessment Year:2018
Purpose:Advice
Assessment Key: 10253
Stock Key: 169169

Year	Stock size	High	Low	Landings	Discards	Harvest Rate	High	Low

	millions			tonnes	tonnes	%
1993	555	697	413	2368	567	24	32	19.2
1994	448	526	370	1850	1584	51	62	44
1995				1762	620
1996	375	463	287	1687	930	37	49	30
1997				2193	494
1998	292	373	211	2144	578	56	77	44
1999	463	541	385	2207	938	40	48	34
2000	443	513	373	1785	1032	34	40	29
2001	419	498	340	1527	436	25	31	21
2002	508	627	389	1340	421	21	28	17.1
2003	767	905	629	1127	546	12.4	15.1	10.5
2004	630	770	490	1657	406	16.4	21	13.4
2005	710	853	567	1989	602	19.4	24	16.2
2006	827	953	701	2458	1510	27	32	23
2007	692	824	560	2651	614	23	28	19.3
2008	881	1178	584	2450	796	21	32	15.8
2009	732	874	590	2663	573	26	32	22
2010	682	829	535	1950	407	19.2	25	15.8
2011	533	620	446	1889	231	22	27	19.0
2012	522	586	458	2129	379	25	28	22
2013	668	794	542	1503	301	15.6	19.2	13.1
2014	428	508	348	2371	353	29	36	24
2015	664	791	537	1897	311	16.8	21	14.2
2016	797	943	651	1935	165	12.3	15.1	10.4
2017	670	803	537	2493	280	19.7	25	16.4
2018	1025	1215	835
Average	613.79	736.83	490.75	2001	603	26	32	21

Fishing pressure

Stock size

2015

2016

2017

2016

2017

2018

Maximum sustainable yield

F_MSY

Above

MSY B_trigger

Above trigger

Precautionary approach

F_pa,F_lim

Undefined

B_pa,B_lim

Above possible reference points

Management plan

F_MGT

Above

B_MGT

Above