Marine Trophic Index in High seas - Pacific, Northeast

Compute regression

Start year: End year:

Compute regression

Start year: End year:

Year	Mean trophic level	Mean max. length (cm)	FiB Index	Expansion factor
1950	3.33	48.8	0	1
1951	3.21	36.4	0.04	1.04
1952	3.19	34.8	0.12	1.13
1953	3.18	33.7	0.68	1.97
1954	3.16	31.9	1.01	2.75
1955	3.17	33.2	0.92	2.51
1956	3.19	34.6	1.43	4.18
1957	3.18	33.5	0.92	2.51
1958	3.2	35.8	1.3	3.67
1959	3.2	35.5	1.47	4.35
1960	3.19	34.7	0.74	2.1
1961	3.16	32.3	1.38	3.97
1962	3.19	34.2	1.47	4.35
1963	3.18	34.1	1.65	5.21
1964	3.17	33	1.51	4.53
1965	3.3	45.6	0.83	2.29
1966	3.48	54.2	1.11	3.03
1967	3.74	72.8	1.53	4.62
1968	3.83	85.9	1.65	5.21
1969	3.68	71.3	1.62	5.05
1970	3.57	65.3	1.6	4.95
1971	3.64	68.2	1.36	3.9
1972	3.67	77.4	1.78	5.93
1973	3.6	70.2	1.63	5.1
1974	3.74	80.1	1.96	7.1
1975	3.67	73.2	1.73	5.64
1976	3.66	68.9	1.81	6.11
1977	3.45	58.1	1.03	2.8
1978	3.49	74.1	2.55	12.81
1979	3.45	69.5	2.57	13.07
1980	3.44	70.4	2.67	14.44
1981	3.46	71.7	3.02	20.49
1982	3.51	48.1	1.06	2.89
1983	3.54	49.1	1.32	3.74
1984	3.6	53.2	1.42	4.14
1985	3.62	58.4	1.47	4.35
1986	3.71	57.1	1.68	5.37
1987	3.71	53.5	2.05	7.77
1988	3.8	56.3	2.43	11.36
1989	3.56	69.5	3.53	34.12
1990	3.56	66.8	3.2	24.53
1991	3.59	63.6	2.84	17.12
1992	3.67	54.3	2.24	9.39
1993	3.56	56	1.81	6.11
1994	3.75	60.1	2.34	10.38
1995	3.65	57.6	1.77	5.87
1996	3.78	63.2	2.16	8.67
1997	3.78	65.4	2.29	9.87
1998	3.85	75	1.73	5.64
1999	3.82	60.8	1.59	4.9
2000	3.85	74	1.72	5.58
2001	3.8	70.4	1.81	6.11
2002	3.76	67.7	1.83	6.23
2003	3.83	74.3	2.19	8.94
2004	3.94	77.9	2.65	14.15
2005	3.87	69.2	2.41	11.13
2006	3.93	75.6	2.51	12.3

Show/Hide tabular data

TL	SLMax(cm)	Common Name	Scientific Name
4.57999992370605	287	Striped marlin	Tetrapturus audax
4.5	279	Indo-Pacific sailfish	Istiophorus platypterus
4.5	219	Bigeye tuna	Thunnus obesus
4.48999977111816	449	Swordfish	Xiphias gladius
4.48000001907349	66	Greenland halibut	Reinhardtius hippoglossoides
4.47714281082153	367	Billfishes	Istiophoridae
4.40000009536743	121	Chinook salmon	Oncorhynchus tshawytscha
4.38500022888184	164	Amberjacks	Seriola
4.34999990463257	108	Skipjack tuna	Katsuwonus pelamis
4.34999990463257	75	North Pacific hake	Merluccius productus
4.34000015258789	231	Yellowfin tuna	Thunnus albacares
4.30999994277954	136	Albacore	Thunnus alalunga
4.30000019073486	130	Piked dogfish	Squalus acanthias
4.28000020980835	392	Shortfin mako	Isurus oxyrinchus
4.2622218132019	150	Mackerels tunas and bonitos	Scombridae
4.23999977111816	289	Blue shark	Prionace glauca
4.23199987411499	90	Dogfish sharks	Squalidae
4.21000003814697	623	Thintail thresher	Alopias vulpinus
4.21000003814697	135	Tope shark	Galeorhinus galeus
4.21000003814697	300	Pacific bluefin tuna	Thunnus orientalis
4.19000005722046	62	Pink salmon	Oncorhynchus gorbuscha
4.13424253463745	32	Squids	Teuthida
4.1100001335144	54	Yellowtail rockfish	Sebastes flavidus
4	300	Sharks rays and skates etc	Sharks or rays and chimaeras
3.95000004768372	121	Pacific salmon	Oncorhynchus
3.91666698455811	43	Scorpionfishes or rockfishes	Scorpaenidae
3.88000011444092	29	California market squid	Loligo opalescens
3.87538504600525	82	Grenadiers or rattails	Macrouridae
3.81333303451538	50	Sculpins	Cottidae
3.79384589195251	87	Redfishes	Sebastes
3.73000001907349	76	Sockeye salmon	Oncorhynchus nerka
3.71000003814697	30	Pacific saury	Cololabis saira
3.6800000667572	49	Widow rockfish	Sebastes entomelas
3.61374998092651	205	Skates and rays	Rajiformes
3.57999992370605	68	Octopuses	Octopoda
3.55999994277954	66	Pacific jack mackerel	Trachurus symmetricus
3.53143930435181	56	Perch-likes	Perciformes
3.47000002861023	91	Chum salmon	Oncorhynchus keta
3.47000002861023	25	Surf smelt	Hypomesus pretiosus
3.46499991416931	32	Smelts	Osmeridae
3.45000004768372	80	Hagfishes	Myxinidae
3.45000004768372	75	Alaska Pollock	Theragra chalcogramma
3.45000004768372	41	Pacific sanddab	Citharichthys sordidus
3.35863590240479	80	Grunts	Haemulidae
3.32999992370605	48	Atka mackerel	Pleurogrammus monopterygius
3.29999995231628	25	Eelpouts	Lycodes
3.27999997138977	150	Stingrays	Dasyatis
3.24000000953674	25	Eulachon	Thaleichthys pacificus
3.24000000953674	3	Ocean shrimp	Pandalus jordani
3.21000003814697	49	Rock sole	Lepidopsetta bilineata
3.15000009536743	16	Capelin	Mallotus villosus
3.15000009536743	31	Pacific herring	Clupea pallasii pallasii
3.08999991416931	52	Chub mackerel	Scomber japonicus
2.8199999332428	14	King crabs	Paralithodes
2.65000009536743	13	Natantian decapods	Shrimps and prawns
2.59999990463257	30	Marine crabs	Brachyura
2.59999990463257	16	Pandalus shrimps	Pandalus
2.29999995231628	20	Pacific snow crabs	Chionoecetes
2.26999998092651	15	Clams cockles and arkshells	Clams or cockles and arkshells
2.20000004768372	9	Sculptured shrimps	Sclerocrangon

Show/Hide species list

FiB index inputs
Reference year: Transfer efficiency:

Method