Stock assessment graphs

ICES Marine Data

Stock Assessment Graphs


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Saithe (Pollachius virens) in Division 5.a (Iceland grounds)
Species:	Stock Assessment Graphs
Stock code:	pok.27.5a
Assessment Year:	2017
Key:	8653


Unit weights	tonnes
Unit recruitment	thousands
Fishing pressure description	Harvest rate
Fishing pressure units	Year-1
Stock size description	Stock size
Stock size units	tonnes


Fish reference points

Management plan	SSB_MP
Management plan	F_MP
MSY approach	MSYB_trigger	65000
MSY approach	F_MSY
Precautionary approach	B_lim	44000
	B_pa	61000
	F_lim	0.46
	F_pa	0.34

Age and Length

Recruitment	3
F	4-9

Fish data

Year	Recruitment	TBiomass	SSB	Landings	Catches	Discards	F
1980	28246	311901	112964	57659	57659	0	0.1849
1981	20188	304628	119797	57548	57548	0	0.1889
1982	21628	294412	136793	67865	67865	0	0.2305
1983	32158	269984	136725	56504	56504	0	0.2093
1984	41930	287322	139580	60405	60405	0	0.2102
1985	35366	299679	138053	53728	53728	0	0.1793
1986	66998	318852	136300	65230	65230	0	0.2046
1987	91230	335587	127809	80237	80237	0	0.2391
1988	50527	415366	124746	77244	77244	0	0.186
1989	31832	397868	127958	82339	82339	0	0.2069
1990	20807	377207	134892	97537	97537	0	0.2586
1991	29462	336518	144386	102201	102201	0	0.3037
1992	14829	288108	135981	79568	79568	0	0.2762
1993	19870	230512	112420	71539	71539	0	0.3103
1994	17688	187163	92998	63559	63559	0	0.3396
1995	29858	152999	69120	48296	48296	0	0.3157
1996	25653	149085	60252	39352	39352	0	0.264
1997	16916	156303	61305	36671	36671	0	0.2346
1998	8698	154190	67830	30657	30657	0	0.1988
1999	30524	132678	72947	30898	30898	0	0.2329
2000	31348	143501	75283	32751	32751	0	0.2282
2001	54021	163397	82408	31570	31570	0	0.1932
2002	63376	220587	99919	41969	41969	0	0.1903
2003	71963	280917	123195	52306	52306	0	0.1862
2004	25697	321704	141778	64668	64668	0	0.201
2005	72556	287348	150634	69054	69054	0	0.2403
2006	41977	312863	157295	75462	75462	0	0.2412
2007	18828	284013	152676	64261	64261	0	0.2263
2008	26640	253506	150732	69426	69426	0	0.2739
2009	39657	228264	139203	60266	60266	0	0.264
2010	38643	228960	129240	53853	53853	0	0.2352
2011	47257	236182	123144	50769	50769	0	0.215
2012	45472	246142	121453	51252	51252	0	0.2082
2013	46808	260386	125850	57522	57522	0	0.2209
2014	28202	266085	129194	45538	45538	0	0.1711
2015	67236	267460	139604	48476	48476	0	0.1812
2016	45934	306309	150095	49223	49223	0	0.1607
2017	27711		161487

Custom reference points

CustomRefPointName	CustomRefPointValue	CustomRefPointNotes
HRmgt=HRmsy	0.2	HR rate MSY
65000	MSY Btrigger = Bmgt

Custom fish data column names

CustomName1	CustomName2	CustomName3
Biomass 4+	F	Yield/SSB

Custom fish data

Year	Custom1	Custom2	Custom3
1980	311901	0.2942	0.5104
1981	304628	0.263	0.4804
1982	294412	0.3033	0.4961
1983	269984	0.2428	0.4133
1984	287322	0.2309	0.4328
1985	299679	0.245	0.3892
1986	318852	0.2819	0.4786
1987	335587	0.3508	0.6278
1988	415366	0.3225	0.6192
1989	397868	0.3066	0.6435
1990	377207	0.3496	0.7231
1991	336518	0.3741	0.7078
1992	288108	0.3667	0.5851
1993	230512	0.3979	0.6364
1994	187163	0.4512	0.6835
1995	152999	0.4608	0.6987
1996	149085	0.4031	0.6531
1997	156303	0.3633	0.5982
1998	154190	0.295	0.452
1999	132678	0.3078	0.4236
2000	143501	0.3246	0.435
2001	163397	0.2729	0.3831
2002	220587	0.2978	0.42
2003	280917	0.2922	0.4246
2004	321704	0.2564	0.4561
2005	287348	0.2812	0.4584
2006	312863	0.3027	0.4797
2007	284013	0.278	0.4209
2008	253506	0.3206	0.4606
2009	228264	0.3014	0.4329
2010	228960	0.2701	0.4167
2011	236182	0.2484	0.4123
2012	246142	0.2402	0.422
2013	260386	0.2605	0.4571
2014	266085	0.1952	0.3525
2015	267460	0.1916	0.3472
2016	306309	0.1824	0.3279
2017	327369

Sensivity data