Marine Trophic Index in LME: West Bering Sea

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Year	Mean trophic level	Mean max. length (cm)	FiB Index	Expansion factor
1950	3.46	54.5	0	1
1951	3.51	53.9	0.55	1.73
1952	3.46	49.7	0.66	1.93
1953	3.5	51.4	0.98	2.66
1954	3.54	55.6	1.19	3.29
1955	3.6	52.6	1.61	5
1956	3.56	54.8	1.37	3.94
1957	3.55	51.8	1.56	4.76
1958	3.56	48.5	1.71	5.53
1959	3.57	50.2	1.72	5.58
1960	3.54	55.2	1.52	4.57
1961	3.53	49.3	1.75	5.75
1962	3.55	49.8	1.79	5.99
1963	3.52	50.2	1.69	5.42
1964	3.44	51.4	1.4	4.06
1965	3.48	53.3	1.56	4.76
1966	3.48	52.7	1.58	4.85
1967	3.48	55.8	1.69	5.42
1968	3.45	58.4	1.71	5.53
1969	3.44	61.1	1.71	5.53
1970	3.43	62.1	1.77	5.87
1971	3.46	62.5	1.99	7.32
1972	3.45	62.8	2.02	7.54
1973	3.47	61.7	2.3	9.97
1974	3.44	65.7	2.13	8.41
1975	3.47	65.4	2.24	9.39
1976	3.45	67.4	2.16	8.67
1977	3.47	65.2	2.27	9.68
1978	3.49	62.2	2.1	8.17
1979	3.5	64.4	2.16	8.67
1980	3.49	66.1	2.1	8.17
1981	3.47	66.1	2.08	8
1982	3.48	66.4	2.2	9.03
1983	3.48	65.8	2.24	9.39
1984	3.46	66.4	2.35	10.49
1985	3.44	63.9	2.41	11.13
1986	3.43	64.6	2.5	12.18
1987	3.43	64.5	2.44	11.47
1988	3.43	64.1	2.46	11.7
1989	3.44	63	2.34	10.38
1990	3.44	62.2	2.28	9.78
1991	3.43	62.4	1.89	6.62
1992	3.42	64	2	7.39
1993	3.38	60	1.81	6.11
1994	3.37	59.2	1.65	5.21
1995	3.39	60.5	1.78	5.93
1996	3.37	60.9	1.73	5.64
1997	3.47	63	1.75	5.75
1998	3.43	62.5	1.58	4.85
1999	3.45	61.5	1.48	4.39
2000	3.47	58.4	1.49	4.44
2001	3.48	58.1	1.45	4.26
2002	3.37	47.4	1.61	5
2003	3.52	57.4	1.98	7.24
2004	3.52	58	1.82	6.17
2005	3.53	56.9	1.89	6.62
2006	3.51	59.2	1.81	6.11

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TL	SLMax(cm)	Common Name	Scientific Name
4.48000001907349	66	Greenland halibut	Reinhardtius hippoglossoides
4.46000003814697	150	Goosefishes	Lophiidae
4.44999980926514	100	Kamchatka flounder	Atheresthes evermanni
4.44999980926514	192	Largehead hairtail	Trichiurus lepturus
4.40000009536743	121	Chinook salmon	Oncorhynchus tshawytscha
4.38500022888184	164	Amberjacks	Seriola
4.34000015258789	231	Yellowfin tuna	Thunnus albacares
4.30999994277954	136	Albacore	Thunnus alalunga
4.30000019073486	130	Piked dogfish	Squalus acanthias
4.28000020980835	27	Japanese flying squid	Todarodes pacificus
4.2622218132019	150	Mackerels tunas and bonitos	Scombridae
4.26000022888184	69	Arrowtooth flounder	Atheresthes stomias
4.25	88	Coho salmon	Oncorhynchus kisutch
4.23999977111816	289	Blue shark	Prionace glauca
4.23199987411499	90	Dogfish sharks	Squalidae
4.23000001907349	75	Dolly varden	Salvelinus malma malma
4.19999980926514	50	Neon flying squid	Ommastrephes bartramii
4.19000005722046	62	Pink salmon	Oncorhynchus gorbuscha
4.15000009536743	150	Cutlassfishes	Trichiuridae
4.15000009536743	123	Inconnu	Stenodus leucichthys
4.1399998664856	50	Pomfrets	Bramidae
4.13424253463745	32	Squids	Teuthida
4.13000011444092	115	Pacific halibut	Hippoglossus stenolepis
4.11999988555908	45	Saffron cod	Eleginus gracilis
4.1100001335144	54	Yellowtail rockfish	Sebastes flavidus
4.05230808258057	164	Jacks and pompanos	Carangidae
4.05000019073486	70	Petrale sole	Eopsetta jordani
4.01000022888184	100	Pacific cod	Gadus macrocephalus
4	300	Sharks rays and skates etc	Sharks or rays and chimaeras
3.99000000953674	25	Common squids	Loligo
3.98279094696045	190	Sea basses or groupers and fairy basslets	Serranidae
3.97000002861023	60	Alfonsinos	Beryx
3.95000004768372	121	Pacific salmon	Oncorhynchus
3.91666698455811	43	Scorpionfishes or rockfishes	Scorpaenidae
3.91417288780212	80	Cods	Gadiformes
3.87538504600525	82	Grenadiers or rattails	Macrouridae
3.86666703224182	72	Codlings	Moridae
3.84349989891052	190	Groupers	Epinephelus
3.82999992370605	98	Sablefish	Anoplopoma fimbria
3.81333303451538	50	Sculpins	Cottidae
3.80988097190857	27	Cephalopods	Cephalopoda
3.79999995231628	63	Canary rockfish	Sebastes pinniger
3.79384589195251	87	Redfishes	Sebastes
3.78999996185303	44	Bering cisco	Coregonus laurettae
3.76205897331238	200	Drums or croakers	Sciaenidae
3.73000001907349	76	Sockeye salmon	Oncorhynchus nerka
3.71000003814697	30	Pacific saury	Cololabis saira
3.69000005722046	51	Fourhorn sculpin	Triglopsis quadricornis
3.6800000667572	49	Widow rockfish	Sebastes entomelas
3.64000010490417	50	Flathead sole	Hippoglossoides elassodon
3.61999988555908	102	Tilefishes	Malacanthidae
3.6175000667572	50	Butterfishes	Stromateidae
3.61374998092651	205	Skates and rays	Rajiformes
3.60999989509583	59	Longfin codling	Laemonema longipes
3.60999989509583	80	Shortspine thornyhead	Sebastolobus alascanus
3.59999990463257	28	Cuttlefishes	Sepiidae
3.59999990463257	70	Cherry salmon	Oncorhynchus masou masou
3.57999992370605	60	Okhostk atka mackerel	Pleurogrammus azonus
3.57999992370605	31	Pacific tomcod	Microgadus proximus
3.57180309295654	50	Flatfishes	Pleuronectiformes
3.5699999332428	52	Arctic cisco	Coregonus autumnalis
3.53999996185303	16	Boarfishes	Caproidae
3.53600001335144	29	Tropical goatfishes	Upeneus
3.53143930435181	56	Perch-likes	Perciformes
3.50999999046326	91	Bocaccio	Sebastes paucispinis
3.5	19	Mantis shrimps	Squillidae
3.5	42	Pacific ocean perch	Sebastes alutus
3.49874997138977	43	Puffers	Tetraodontidae
3.47000002861023	91	Chum salmon	Oncorhynchus keta
3.46499991416931	32	Smelts	Osmeridae
3.46000003814697	43	Longfin armorhead	Pseudopentaceros wheeleri
3.45749998092651	55	Goatfishes	Mullidae
3.45000004768372	80	Hagfishes	Myxinidae
3.45000004768372	75	Alaska Pollock	Theragra chalcogramma
3.45000004768372	41	Pacific sanddab	Citharichthys sordidus
3.4300000667572	34	White croaker	Genyonemus lineatus
3.41000008583069	18	Sailfin sandfish	Arctoscopus japonicus
3.39000010490417	108	Rainbow trout	Oncorhynchus mykiss
3.32999992370605	48	Atka mackerel	Pleurogrammus monopterygius
3.3199999332428	75	Starry flounder	Platichthys stellatus
3.30864906311035	164	Porgies	Sparidae
3.29999995231628	140	Salmonids	Salmonidae
3.29999995231628	25	Eelpouts	Lycodes
3.29999995231628	82	Whitefishes	Coregonus
3.27999997138977	150	Stingrays	Dasyatis
3.27999997138977	58	Broad whitefish	Coregonus nasus
3.26999998092651	62	Dover sole	Microstomus pacificus
3.25142908096313	21	Anchovies	Engraulidae
3.24000000953674	25	Herrings	Clupeiformes
3.24000000953674	25	Eulachon	Thaleichthys pacificus
3.24000000953674	39	Yellowfin sole	Limanda aspera
3.24000000953674	39	Sardine cisco	Coregonus sardinella
3.24000000953674	60	Rex sole	Glyptocephalus zachirus
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
3.10500001907349	15	Gobies	Gobiidae
3.09999990463257	16	Deep-sea smelts	Bathylagidae
3.09999990463257	33	Polar cod	Boreogadus saida
3.09999990463257	60	Alaska plaice	Pleuronectes quadrituberculatus
3.08999991416931	52	Chub mackerel	Scomber japonicus
3.06162858009338	11	Gastropods	Gastropoda
3	25	Crustaceans	Crustacea
2.8733332157135	20	Slipper lobsters	Scyllaridae
2.8199999332428	14	King crabs	Paralithodes
2.8199999332428	20	Same-spine stone crab	Lithodes aequispinus
2.8199999332428	20	Spiny king crab	Paralithodes brevipes
2.8199999332428	40	Red king crab	Paralithodes camtschaticus
2.8199999332428	18	Blue King Crab	Paralithodes platypus
2.65000009536743	13	Natantian decapods	Shrimps and prawns
2.59999990463257	30	Marine crabs	Brachyura
2.59999990463257	16	Pandalus shrimps	Pandalus
2.59999990463257	15	Hair Crab	Erimacrus isenbeckii
2.59999990463257	12	Sidestripe shrimp	Pandalopsis japonica
2.59999990463257	10	Humpy shrimp	Pandalus goniurus
2.59999990463257	12	Humpback shrimp	Pandalus hypsinotus
2.59999990463257	12	Grass shrimp	Pandalus kessleri
2.52500009536743	120	Mullets	Mugilidae
2.46000003814697	14	Northern prawn	Pandalus borealis
2.4300000667572	30	South American pilchard	Sardinops sagax
2.38000011444092	15	Starfishes	Starfish and other echinoderms
2.29999995231628	20	Pacific snow crabs	Chionoecetes
2.26999998092651	15	Clams cockles and arkshells	Clams or cockles and arkshells
2.20000004768372	4	Ghost shimps	Callianassa
2.20000004768372	9	Sculptured shrimps	Sclerocrangon
2.09999990463257	8	Sea urchins	Strongylocentrotus
2.09999990463257	5	Hen clam	Mactra sachalinensis
2.02999997138977	22	Gaper clams	Tresus
2	46	Sea cucumbers	Holothuroidea
2	10	Sea mussels	Mytilidae
2	10	Cockles	Cardiidae
2	25	Cupped oysters	Crassostrea
2	30	Abalones	Haliotis
2	6	Ark clams	Arca
2	17	Surf clam	Spisula
2	12	Pacific cupped oyster	Crassostrea gigas

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