Marine Trophic Index in LME: North Sea

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Year	Mean trophic level	Mean max. length (cm)	FiB Index	Expansion factor
1950	3.37	57	0	1
1951	3.37	56	0.1	1.11
1952	3.37	58.6	0.09	1.09
1953	3.36	57.7	0.12	1.13
1954	3.38	57.5	0.28	1.32
1955	3.36	54.9	0.23	1.26
1956	3.37	54.8	0.25	1.28
1957	3.41	59	0.24	1.27
1958	3.42	61.8	0.16	1.17
1959	3.4	61.1	0.18	1.2
1960	3.37	60.6	0.1	1.11
1961	3.4	59.7	0.14	1.15
1962	3.34	54.7	0.07	1.07
1963	3.36	53.5	0.28	1.32
1964	3.39	56.1	0.46	1.58
1965	3.41	57.1	0.66	1.93
1966	3.44	58.6	0.79	2.2
1967	3.39	58.1	0.73	2.08
1968	3.39	56.8	0.84	2.32
1969	3.52	64.3	1.06	2.89
1970	3.57	65.2	1.14	3.13
1971	3.51	63.7	0.95	2.59
1972	3.5	64.3	0.93	2.53
1973	3.44	57.5	0.84	2.32
1974	3.43	52.2	0.93	2.53
1975	3.38	50.2	0.8	2.23
1976	3.43	53.1	0.9	2.46
1977	3.38	50.9	0.64	1.9
1978	3.4	52.3	0.64	1.9
1979	3.39	51.7	0.54	1.72
1980	3.37	50	0.58	1.79
1981	3.42	55.7	0.6	1.82
1982	3.45	55.1	0.72	2.05
1983	3.45	55.4	0.71	2.03
1984	3.42	53.7	0.66	1.93
1985	3.42	54.9	0.67	1.95
1986	3.38	49.4	0.6	1.82
1987	3.36	49.7	0.57	1.77
1988	3.34	46	0.58	1.79
1989	3.3	43.7	0.5	1.65
1990	3.31	47.5	0.33	1.39
1991	3.28	42.9	0.38	1.46
1992	3.27	42.4	0.43	1.54
1993	3.35	46.9	0.5	1.65
1994	3.28	42.2	0.41	1.51
1995	3.29	42.1	0.52	1.68
1996	3.33	45.2	0.28	1.32
1997	3.3	41.1	0.34	1.4
1998	3.28	42.2	0.23	1.26
1999	3.31	43.1	0.26	1.3
2000	3.28	40.9	0.2	1.22
2001	3.26	38.9	0.13	1.14
2002	3.29	39.9	0.23	1.26
2003	3.33	43.8	0.09	1.09
2004	3.31	42.8	0.08	1.08
2005	3.33	45	0	1
2006	3.34	45.4	0	1

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TL	SLMax(cm)	Common Name	Scientific Name
4.53000020980835	219	Atlantic halibut	Hippoglossus hippoglossus
4.5	110	Black scabbardfish	Aphanopus carbo
4.5	79	John dory	Zeus faber
4.493332862854	79	Dories	Zeidae
4.48999977111816	449	Swordfish	Xiphias gladius
4.48999977111816	200	Angler	Lophius piscatorius
4.48000001907349	66	Greenland halibut	Reinhardtius hippoglossoides
4.48000001907349	127	Blue ling	Molva dypterygia
4.46000003814697	150	Goosefishes	Lophiidae
4.46000003814697	112	Monkfishes	Lophius
4.44999980926514	192	Largehead hairtail	Trichiurus lepturus
4.42999982833862	376	Atlantic bluefin tuna	Thunnus thynnus
4.42999982833862	123	Atlantic salmon	Salmo salar
4.42000007629395	130	European hake	Merluccius merluccius
4.42000007629395	186	Atlantic cod	Gadus morhua
4.38000011444092	70	Splendid alfonsino	Beryx splendens
4.38000011444092	107	Saithe	Pollachius virens
4.36999988555908	120	Sea lamprey	Petromyzon marinus
4.34428596496582	376	Tuna	Thunnus
4.34000015258789	231	Yellowfin tuna	Thunnus albacares
4.30000019073486	130	Piked dogfish	Squalus acanthias
4.28999996185303	57	Whiting	Merlangius merlangus
4.28999996185303	246	European conger	Conger conger
4.28000020980835	482	Bluntnose sixgill shark	Hexanchus griseus
4.28000020980835	392	Shortfin mako	Isurus oxyrinchus
4.26999998092651	40	Largescaled scorpionfish	Scorpaena scrofa
4.2662501335144	125	Hakes	Merluccius
4.2622218132019	150	Mackerels tunas and bonitos	Scombridae
4.26000022888184	79	Arctic char	Salvelinus alpinus alpinus
4.23999977111816	289	Blue shark	Prionace glauca
4.23199987411499	130	Dogfishes	Squalus
4.21999979019165	606	Greenland shark	Somniosus microcephalus
4.21999979019165	131	Leafscale gulper shark	Centrophorus squamosus
4.21999979019165	122	Birdbeak dogfish	Deania calcea
4.21999979019165	200	Opah	Lampris guttatus
4.21000003814697	89	Garpike	Belone belone
4.21000003814697	277	Porbeagle	Lamna nasus
4.21000003814697	623	Thintail thresher	Alopias vulpinus
4.21000003814697	135	Tope shark	Galeorhinus galeus
4.19999980926514	376	Tunas bonitos and billfishes	Scombroids
4.19999980926514	90	Atlantic bonito	Sarda sarda
4.19999980926514	120	Portuguese dogfish	Centroscymnus coelolepis
4.19000005722046	165	Lings	Molva
4.15000009536743	107	Pollack	Pollachius pollachius
4.15000009536743	144	Kitefin shark	Dalatias licha
4.15000009536743	27	Broadtail shortfin squid	Illex coindetii
4.13424253463745	32	Squids	Teuthida
4.13000011444092	83	Alfonsino	Beryx decadactylus
4.09999990463257	90	Char	Salvelinus
4.09000015258789	82	Haddock	Melanogrammus aeglefinus
4.08555555343628	35	Arrow squids	Ommastrephidae
4.07999992370605	82	Atlantic pomfret	Brama brama
4.07999992370605	87	Ocean perch	Sebastes marinus
4.07882404327393	525	Ground sharks	Carcharhiniformes
4.05230808258057	164	Jacks and pompanos	Carangidae
4.05000019073486	729	Sharks and rays	Elasmobranchii
4.05000019073486	200	Meagre	Argyrosomus regius
4.05000019073486	215	Angelshark	Squatina squatina
4.04333305358887	61	Catsharks	Galeus
4.03000020980835	130	Nursehound	Scyliorhinus stellaris
4.01999998092651	50	Lanternsharks	Etmopterus
4.01000022888184	41	Blue whiting	Micromesistius poutassou
4.01000022888184	75	European flying squid	Todarodes sagittatus
4	300	Sharks rays and skates etc	Sharks or rays and chimaeras
4	150	Various sharks	Sharks rays and chimaeras
4	89	Salmon and trout	Salmo
4	98	Tusk	Brosme brosme
3.99499988555908	90	Gunnels and forkbeards	Phycis
3.99000000953674	25	Common squids	Loligo
3.98279094696045	190	Sea basses or groupers and fairy basslets	Serranidae
3.98000001907349	57	Orange roughy	Hoplostethus atlanticus
3.98000001907349	29	Northern shortfin squid	Illex illecebrosus
3.97000002861023	130	Cat sharks	Scyliorhinidae
3.97000002861023	60	Alfonsinos	Beryx
3.96499991416931	100	Seabreams (Dentex spp)	Dentex
3.96499991416931	49	Megrims	Lepidorhombus
3.96000003814697	205	Blue skate	Dipturus batis
3.9466667175293	25	Weeverfishes	Trachinidae
3.94000005722046	100	European/spotted seabass	Dicentrarchus
3.94000005722046	57	Cuckoo ray	Leucoraja naevus
3.94000005722046	46	Large-eyed rabbitfish	Hydrolagus mirabilis
3.9300000667572	22	Fivebeard rockling	Ciliata mustela
3.91666698455811	43	Scorpionfishes or rockfishes	Scorpaenidae
3.91417288780212	80	Cods	Gadiformes
3.90000009536743	82	Black dogfish	Centroscyllium fabricii
3.89499998092651	68	Shads	Alosa
3.89000010490417	49	Lumpsucker	Cyclopterus lumpus
3.89000010490417	80	Small-eyed ray	Raja microocellata
3.87538504600525	82	Grenadiers or rattails	Macrouridae
3.87249994277954	40	Scorpionfish	Scorpaena
3.86666703224182	72	Codlings	Moridae
3.85999989509583	100	Lesser catsharks	Scyliorhinus
3.84999990463257	42	East Atlantic red gurnard	Chelidonichthys cuculus
3.84999990463257	90	Dusky grouper	Epinephelus marginatus
3.84074592590332	72	Cods and haddocks	Gadidae
3.82999992370605	172	Wreckfish	Polyprion americanus
3.82999992370605	96	Smooth-hound	Mustelus mustelus
3.8199999332428	60	Velvet belly lantern shark	Etmopterus spinax
3.81625008583069	205	Skates	Rajidae
3.81500005722046	154	Houndsharks	Triakidae
3.80999994277954	39	Blackbelly rosefish	Helicolenus dactylopterus
3.80988097190857	27	Cephalopods	Cephalopoda
3.79999995231628	25	Octopuses	Octopus
3.79999995231628	100	European seabass	Dicentrarchus labrax
3.7960000038147	83	Skates	Raja
3.79384589195251	87	Redfishes	Sebastes
3.78999996185303	75	Brill	Scophthalmus rhombus
3.75	80	Common mora	Mora moro
3.75	180	Northern wolffish	Anarhichas denticulatus
3.74000000953674	25	Searobins	Triglidae
3.73000001907349	41	Pouting	Trisopterus luscus
3.72562503814697	111	Smooth-hounds	Mustelus
3.72000002861023	150	Cartilaginous fishes	Sharks rays and chimaeras
3.72000002861023	57	Slimeheads	Trachichthyidae
3.71250009536743	50	Turbots	Scophthalmidae
3.71000003814697	35	Sculpins	Myoxocephalus
3.70222210884094	28	Cuttlefishes	Sepiida
3.6949999332428	66	Jack and horse mackerels	Trachurus
3.66000008583069	70	Blackspot seabream	Pagellus bogaraveo
3.65000009536743	33	Deepwater redfish	Sebastes mentella
3.65000009536743	62	Tub gurnard	Chelidonichthys lucerna
3.65000009536743	67	American plaice	Hippoglossoides platessoides
3.64000010490417	62	Atlantic horse mackerel	Trachurus trachurus
3.61999988555908	35	Argentine	Argentina sphyraena
3.61999988555908	40	Fourspotted megrim	Lepidorhombus boscii
3.61999988555908	82	Onion-eye grenadier	Macrourus berglax
3.61374998092651	205	Skates and rays	Rajiformes
3.59999990463257	28	Cuttlefishes	Sepiidae
3.59999990463257	33	Poor cod	Trisopterus minutus
3.59999990463257	83	Thornback ray	Raja clavata
3.58999991416931	60	Twaite shad	Alosa fallax
3.57999992370605	49	Megrim	Lepidorhombus whiffiagonis
3.57999992370605	100	Smallspotted catshark	Scyliorhinus canicula
3.57180309295654	50	Flatfishes	Pleuronectiformes
3.5699999332428	53	Grey gurnard	Eutrigla gurnardus
3.5699999332428	66	Spotted ray	Raja montagui
3.5699999332428	155	Pudgy cuskeel	Spectrunculus grandis
3.56200003623962	15	Swimming crabs	Portunidae
3.54999995231628	51	Piper gurnard	Trigla lyra
3.54999995231628	130	Spearnose chimaera	Rhinochimaera atlantica
3.54999995231628	28	Common cuttlefish	Sepia officinalis
3.53999996185303	16	Boarfishes	Caproidae
3.53999996185303	106	Roundnose grenadier	Coryphaenoides rupestris
3.53143930435181	56	Perch-likes	Perciformes
3.52999997138977	43	Flounder	Platichthys flesus
3.51999998092651	60	Common pandora	Pagellus erythrinus
3.50999999046326	51	Gurnards	Trigla
3.50999999046326	75	Chimaeras	Hydrolagus
3.5	35	Streaked gurnard	Trigloporus lastoviza
3.5	120	Sandy ray	Leucoraja circularis
3.5	123	Longnosed skate	Dipturus oxyrinchus
3.5	82	Shagreen ray	Leucoraja fullonica
3.5	106	Arctic skate	Amblyraja hyperborea
3.5	6	Green crab	Carcinus maenas
3.49206900596619	54	Righteye flounders	Pleuronectidae
3.49000000953674	90	Greater forkbeard	Phycis blennoides
3.48000001907349	50	Rissos smooth-head	Alepocephalus rostratus
3.47000002861023	23	Armored searobins or armored gurnards	Peristediidae
3.47000002861023	43	Viviparous blenny	Zoarces viviparus
3.45967698097229	75	Wrasses	Labridae
3.45749998092651	55	Goatfishes	Mullidae
3.44000005722046	70	Pandoras	Pagellus
3.44000005722046	100	Baird's slickhead	Alepocephalus bairdii
3.44000005722046	53	Grey triggerfish	Balistes capriscus
3.42000007629395	150	Rabbit fish	Chimaera monstrosa
3.40000009536743	20	Swims crabs	Portunus
3.40000009536743	34	Corkwing wrasse	Symphodus melops
3.39750003814697	35	Rocklings	Gaidropsarus
3.39615392684937	18	Sea stars	Asteroidea
3.35500001907349	200	Eagle and manta rays	Myliobatidae
3.34999990463257	36	Argentines	Argentina
3.34999990463257	16	Goldsinny-wrasse	Ctenolabrus rupestris
3.34500002861023	148	Wolffish	Anarhichas
3.33999991416931	60	Black seabream	Spondyliosoma cantharus
3.32999992370605	30	Red mullet	Mullus barbatus barbatus
3.3199999332428	60	Bulls-eye	Epigonus telescopus
3.30999994277954	70	Greater argentine	Argentina silus
3.30864906311035	164	Porgies	Sparidae
3.29999995231628	140	Salmonids	Salmonidae
3.29999995231628	16	Lanternfishes	Myctophidae
3.29999995231628	25	Eelpouts	Lycodes
3.29999995231628	82	Whitefishes	Coregonus
3.28999996185303	40	Dab	Limanda limanda
3.28500008583069	40	Western goatfishes	Mullus
3.27999997138977	150	Stingrays	Dasyatis
3.27999997138977	20	Iberian soles	Microchirus
3.25999999046326	57	Gilthead seabream	Sparus aurata
3.25999999046326	100	European plaice	Pleuronectes platessa
3.25250005722046	53	Triggerfishes	Balistidae
3.24000000953674	25	Herrings	Clupeiformes
3.24000000953674	123	Wolf-fish	Anarhichas lupus
3.24000000953674	148	Spotted wolffish	Anarhichas minor
3.23000001907349	40	Atlantic herring	Clupea harengus
3.22000002861023	29	Norway pout	Trisopterus esmarkii
3.22000002861023	53	Lemon sole	Microstomus kitt
3.20250010490417	12	Silversides	Atherinidae
3.20000004768372	729	Basking shark	Cetorhinus maximus
3.20000004768372	40	Sand sole	Pegusa lascaris
3.19000005722046	9	Crongonid shrimp	Crangonidae
3.19000005722046	9	Sand shrimps	Crangon
3.19000005722046	9	Common shrimp	Crangon crangon
3.1800000667572	46	Atlantic mackerel	Scomber scombrus
3.17000007629395	70	Common sole	Solea solea
3.16000008583069	140	Sea trout	Salmo trutta trutta
3.1589469909668	28	Herrings and shads and sardines and menhadens	Clupeidae
3.15166711807251	25	Soles	Soleidae
3.15000009536743	16	Capelin	Mallotus villosus
3.14000010490417	60	Witch flounder	Glyptocephalus cynoglossus
3.14000010490417	30	Boarfish	Capros aper
3.13666677474976	11	Palaemonid shrimps	Palaemonidae
3.13000011444092	41	Soles	Solea
3.11209011077881	15	Sandlances	Ammodytes
3.10999989509583	20	European anchovy	Engraulis encrasicolus
3.10500001907349	15	Gobies	Gobiidae
3.09999990463257	12	Craylets and squat lobsters	King crabs and squat-lobsters
3.09999990463257	25	European pilchard	Sardina pilchardus
3.09999990463257	12	Whelk	Buccinum undatum
3.09999990463257	19	Deep-sea red crab	Chaceon affinis
3.07999992370605	49	European whitefish	Coregonus lavaretus
3.0699999332428	58	Ballan wrasse	Labrus bergylta
3.05999994277954	37	European smelt	Osmerus eperlanus
3.04999995231628	100	Turbot	Scophthalmus maximus
3	164	Ling	Molva molva
3	30	Bogue	Boops boops
3	16	European sprat	Sprattus sprattus
3	45	Greater weever	Trachinus draco
2.88000011444092	8	Norway lobster	Nephrops norvegicus
2.70000004768372	25	Herrings sardines and anchovies	Clupeoids
2.70000004768372	50	Spiny lobsters	Palinurus
2.70000004768372	34	Penaeus shrimps	Penaeus
2.70000004768372	11	Common prawn	Palaemon serratus
2.65000009536743	13	Natantian decapods	Shrimps and prawns
2.59999990463257	44	Lobsters and spiny-rock lobsters	Homaridae and Palinuridae
2.59999990463257	30	Marine crabs	Brachyura
2.59999990463257	18	Deepsea crabs	Geryon
2.59999990463257	16	Pandalus shrimps	Pandalus
2.59999990463257	15	Common spiny lobster	Palinurus elephas
2.59999990463257	20	Edible crab	Cancer pagurus
2.59999990463257	65	European lobster	Homarus gammarus
2.59999990463257	17	Red deepsea crab	Chaceon quinquedens
2.59999990463257	9	Velvet swimcrab	Necora puber
2.59999990463257	1	Delta prawn	Palaemon longirostris
2.52500009536743	120	Mullets	Mugilidae
2.50600004196167	8	Sea urchins	Echinoidea
2.46000003814697	14	Northern prawn	Pandalus borealis
2.29999995231628	16	Lithodes	Lithodes
2.29999995231628	16	Aesop shrimp	Pandalus montagui
2.29999995231628	8	European edible sea urchin	Echinus esculentus
2.29999995231628	13	Spinous spider crab	Maja squinado
2.29999995231628	14	Stone king crab	Lithodes maia
2.29999995231628	8	Stony sea urchin	Paracentrotus lividus
2.26999998092651	15	Clams cockles and arkshells	Clams or cockles and arkshells
2.20000004768372	3	Euphausia	Euphausia
2.20000004768372	4	Norwegian krill	Meganyctiphanes norvegica
2.09999990463257	8	Sea urchins	Strongylocentrotus
2.09999990463257	10	Common edible cockle	Cardium edule
2.09999990463257	7	Pullet carpet shell	Tapes pullastra
2.09999990463257	7	Queen scallop	Aequipecten opercularis
2.09999990463257	7	Striped venus	Venus gallina
2	10	Sea mussels	Mytilidae
2	10	Scallops	Pectinidae
2	8	Venus clams	Veneridae
2	8	Razor clams and knife clams	Solenidae
2	25	Cupped oysters	Crassostrea
2	2	Periwinkles	Littorina
2	20	Flat oysters	Ostrea
2	13	Horse mussels	Modiolus
2	4	Donax clams	Donax
2	15	Razor clams	Solen
2	13	Atlantic surf clam	Spisula solidissima
2	8	Blue mussel	Mytilus edulis
2	2	Common periwinkle	Littorina littorea
2	25	European flat oyster	Ostrea edulis
2	12	Great Atlantic scallop	Pecten maximus
2	6	Grooved carpet shell	Ruditapes decussatus
2	9	Northern quahog	Mercenaria mercenaria
2	11	Ocean quahog	Arctica islandica
2	12	Pacific cupped oyster	Crassostrea gigas
2	7	Sand gaper	Mya arenaria
2	11	Tuberculate abalone	Haliotis tuberculata
2	4	Surf clam	Spisula solida
2	7	Dog cockle	Glycymeris glycymeris
2	6	Warty venus	Venus verrucosa

FiB index inputs
Reference year: Transfer efficiency:

Method