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Herring (Clupea harengus) in Division 5.a, summer-spawning herring (Iceland grounds) (Link to advice)	Download graphs and tables(.doc) Download stock data (XML) Download standard graphs (zip) View on the map View source data
Species: Clupea harengus
Stock code: her.27.5a
Assessment Year:2019
Purpose:Advice
Assessment Key: 12899
Stock Key: 169125

Year	Recruitment (age 3)	Stock size	Total	Fishing pressure	Harvest rate	Biomass 4+
			Catch
	thousands	tonnes	tonnes	Year-1	%	t
1987	529828	383813	75450	0.35	0.182	415359
1988	270996	423301	92814	0.27	0.205	452288
1989	447331	385514	100714	0.32	0.251	401085
1990	300826	349855	104227	0.40	0.281	371477
1991	840564	309714	106828	0.44	0.344	310175
1992	1033123	343182	107409	0.42	0.307	349473
1993	635460	423585	102629	0.25	0.226	453608
1994	691750	440724	133653	0.31	0.29	460653
1995	202724	406169	125480	0.34	0.288	435398
1996	181404	307460	95859	0.36	0.297	322300
1997	772618	268868	64807	0.25	0.243	266677
1998	320528	298355	86077	0.28	0.266	323428
1999	552736	289667	92568	0.38	0.312	296930
2000	391543	306415	99900	0.33	0.308	324211
2001	469039	272023	93633	0.41	0.331	282558
2002	1457991	297531	95969	0.42	0.345	277998
2003	1077318	390066	128817	0.28	0.313	411674
2004	666568	487511	112382	0.24	0.217	517374
2005	994341	527452	102446	0.25	0.19	538931
2006	739701	614691	129764	0.143	0.2	648955
2007	665246	571650	158029	0.32	0.264	598444
2008	532417	568872	150674	0.31	0.252	597362
2009	454849	494112	45728	0.087	0.083	549269
2010	442789	456136	43415	0.099	0.084	513804
2011	604085	433481	49390	0.124	0.104	476911
2012	424148	448092	73319	0.21	0.155	472686
2013	509458	405655	71454	0.164	0.17	421004
2014	230149	434995	95003	0.27	0.205	464179
2015	197044	371452	69748	0.22	0.179	390147
2016	230172	338442	60386	0.196	0.171	352759
2017	66044	298931	35034	0.110	0.106	330698
2018	159683	256086	40683	0.175	0.145	280124
2019	360000	212481				230479.955
Average	528863	388372	92009	0.27	0.229	410255.12

Fishing pressure

Stock size

2016

2017

2018

2017

2018

2019

Maximum sustainable yield

F_MSY

Below

MSY B_trigger

Below trigger

Precautionary approach

F_pa,F_lim

Harvested sustainably

B_pa,B_lim

Increased risk

Management plan

HR_MGT

Within expected range

MGT_{B trigger}

Above trigger