Stock assessment graphs

ICES Marine Data

Stock Assessment Graphs


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Herring in Subdivision 28.1 (Gulf of Riga)
Species:	Clupea harengus
Stock code:	her-riga
Assessment Year:	2016
Key:	7318


Unit weights	tonnes
Unit recruitment	thousands
Fishing pressure description	F
Fishing pressure units	Year-1
Stock size description	SSB
Stock size units	tonnes


Fish reference points

Management plan	SSB_MP
Management plan	F_MP
MSY approach	MSYB_trigger	60000
MSY approach	F_MSY	0.32
Precautionary approach	B_lim	40800
	B_pa	57100
	F_lim	0.88
	F_pa	0.63

Age and Length

Recruitment	1
F	3-7

Fish data

Year	Recruitment	TBiomass	SSB	Landings	Catches	F	F Landings
1977	943211	79748	56664	24186	24186	0.6903	0.6903
1978	1076471	76206	56768	16728	16728	0.3751	0.3751
1979	976925	65000	45939	17142	17142	0.431	0.431
1980	1110310	71820	48251	14998	14998	0.3498	0.3498
1981	908386	67791	48849	16769	16769	0.4526	0.4526
1982	1688694	69512	40769	12777	12777	0.4198	0.4198
1983	1253474	72182	48123	15541	15541	0.4679	0.4679
1984	2026310	67542	40752	15843	15843	0.707	0.707
1985	1385639	75705	50761	15575	15575	0.5382	0.5382
1986	1118631	88797	65796	16927	16927	0.5101	0.5101
1987	3917812	97293	51384	12884	12884	0.4231	0.4231
1988	559298	106751	88741	16791	16791	0.5223	0.5223
1989	1286157	88300	64924	16783	16783	0.3621	0.3621
1990	3622452	136697	76009	14931	14931	0.2377	0.2377
1991	3662168	142418	87814	14791	14791	0.2507	0.2507
1992	4281211	152804	97020	20000	20000	0.2678	0.2678
1993	3228416	174502	119901	22200	22200	0.2329	0.2329
1994	2756882	169246	124081	24300	24300	0.2347	0.2347
1995	3453056	165665	115551	32656	32656	0.348	0.348
1996	4640618	166775	104713	32584	32584	0.3714	0.3714
1997	1573163	132848	102444	39843	39843	0.4992	0.4992
1998	2764246	119506	80920	29443	29443	0.4498	0.4498
1999	2881773	135684	83001	31403	31403	0.4338	0.4338
2000	2637417	132513	83199	34069	34069	0.4697	0.4697
2001	6075974	156609	78672	38785	38785	0.5405	0.5405
2002	2262487	143483	100252	39701	39701	0.4809	0.4809
2003	6959875	155544	85519	40803	40803	0.5593	0.5593
2004	1014777	120545	91840	39115	39115	0.589	0.589
2005	3132862	124017	72768	32225	32225	0.5142	0.5142
2006	6839933	143412	70590	31232	31232	0.4418	0.4418
2007	1973385	125423	89937	33742	33742	0.5752	0.5752
2008	5344126	155286	88211	31137	31137	0.3391	0.3391
2009	2733762	147536	103713	32554	32554	0.406	0.406
2010	2738980	137500	97179	30174	30174	0.3278	0.3278
2011	1013508	125660	97504	29639	29639	0.3707	0.3707
2012	4559331	138733	82585	28115	28115	0.3431	0.3431
2013	4904046	158219	95377	26511	26511	0.276	0.276
2014	774679	136753	111654	26253	26253	0.2996	0.2996
2015	2088033	128253	93762	32851	32851	0.4239	0.4239
2016	2988875		78215

Custom reference points

Custom fish data column names

Custom fish data

Sensivity data

Age	M	Mat	PF	PM	WeSt	F	WeCa
1	0.2	0	0.2	0.3	0.00946666666666667	0.1261	0.00946666666666667
2	0.2	0.93	0.2	0.3	0.0144666666666667	0.2433	0.0144666666666667
3	0.2	0.98	0.2	0.3	0.0185	0.264133333333333	0.0185
4	0.2	0.98	0.2	0.3	0.0218	0.3006	0.0218
5	0.2	1	0.2	0.3	0.0241	0.352833333333333	0.0241
6	0.2	1	0.2	0.3	0.0262333333333333	0.345666666666667	0.0262333333333333
7	0.2	1	0.2	0.3	0.0279333333333333	0.402466666666667	0.0279333333333333
8	0.2	1	0.2	0.3	0.0305333333333333	0.402466666666667	0.0305333333333333