Marine Trophic Index in LME: Scotian Shelf

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Year	Mean trophic level	Mean max. length (cm)	FiB Index	Expansion factor
1950	3.97	126.3	0	1
1951	3.97	126.3	-0.13	0.88
1952	4.01	128.7	0.1	1.11
1953	4.04	132.6	0.1	1.11
1954	4.13	140.1	0.49	1.63
1955	4.12	135.9	0.45	1.57
1956	4.14	138.3	0.54	1.72
1957	4.13	138.7	0.51	1.67
1958	4.03	131.8	0.26	1.3
1959	4.04	132.8	0.37	1.45
1960	4.06	132.3	0.48	1.62
1961	4.05	133.5	0.52	1.68
1962	4.03	130.7	0.61	1.84
1963	4.02	107.7	0.82	2.27
1964	3.99	111.8	0.71	2.03
1965	3.92	105.3	0.63	1.88
1966	3.87	106.8	0.45	1.57
1967	3.81	103.9	0.23	1.26
1968	3.74	97.8	0.39	1.48
1969	3.66	84.2	0.35	1.42
1970	3.8	88.3	0.86	2.36
1971	3.8	88.7	0.75	2.12
1972	3.86	94.8	0.68	1.97
1973	3.92	85.9	1.09	2.97
1974	3.83	90.7	0.53	1.7
1975	3.84	87.5	0.55	1.73
1976	3.81	87.5	0.36	1.43
1977	3.77	88.1	0	1
1978	3.78	89.2	0.19	1.21
1979	3.83	94.8	0.37	1.45
1980	3.83	101.7	0.41	1.51
1981	3.87	106.9	0.49	1.63
1982	3.84	106	0.43	1.54
1983	3.83	109.4	0.32	1.38
1984	3.86	105.1	0.45	1.57
1985	3.82	100.5	0.44	1.55
1986	3.8	95.4	0.45	1.57
1987	3.75	90.7	0.29	1.34
1988	3.69	84.7	0.15	1.16
1989	3.68	83.7	0.15	1.16
1990	3.65	81.9	0.07	1.07
1991	3.65	81.9	-0.03	0.97
1992	3.58	80.2	-0.29	0.75
1993	3.37	60.3	-1.04	0.35
1994	3.15	47.6	-1.64	0.19
1995	3.1	43.4	-1.79	0.17
1996	3.11	42.5	-1.77	0.17
1997	3.1	44.6	-1.81	0.16
1998	3.07	43.6	-1.85	0.16
1999	3.06	45.4	-1.83	0.16
2000	3.01	43.4	-1.93	0.15
2001	3.05	44.5	-1.85	0.16
2002	3.01	42.4	-1.9	0.15
2003	3.02	40.1	-1.93	0.15
2004	2.94	38.1	-2.04	0.13
2005	2.98	39.4	-2.01	0.13
2006	2.99	39.8	-2.01	0.13

Show/Hide tabular data

TL	SLMax(cm)	Common Name	Scientific Name
4.53000020980835	219	Atlantic halibut	Hippoglossus hippoglossus
4.5	98	Bluefish	Pomatomus saltatrix
4.48999977111816	449	Swordfish	Xiphias gladius
4.48999977111816	98	American angler	Lophius americanus
4.48000001907349	66	Greenland halibut	Reinhardtius hippoglossoides
4.46000003814697	112	Monkfishes	Lophius
4.42999982833862	376	Atlantic bluefin tuna	Thunnus thynnus
4.42999982833862	123	Atlantic salmon	Salmo salar
4.42000007629395	186	Atlantic cod	Gadus morhua
4.40000009536743	100	Little tunny	Euthynnus alletteratus
4.38000011444092	346	Atlantic blue marlin	Makaira nigricans
4.38000011444092	107	Saithe	Pollachius virens
4.34999990463257	108	Skipjack tuna	Katsuwonus pelamis
4.34428596496582	376	Tuna	Thunnus
4.34000015258789	231	Yellowfin tuna	Thunnus albacares
4.34000015258789	164	Striped sea-bass	Morone saxatilis
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
4.26000022888184	62	Silver hake	Merluccius bilinearis
4.23999977111816	289	Blue shark	Prionace glauca
4.23199987411499	90	Dogfish sharks	Squalidae
4.21000003814697	277	Porbeagle	Lamna nasus
4.19999980926514	90	Atlantic bonito	Sarda sarda
4.19999980926514	98	White hake	Urophycis tenuis
4.18833303451538	606	Bramble and sleeper and dogfish sharks	Squaliformes
4.13424253463745	32	Squids	Teuthida
4.09999990463257	90	Char	Salvelinus
4.09000015258789	82	Haddock	Melanogrammus aeglefinus
4.03999996185303	30	Northern puffer	Sphoeroides maculatus
4	89	Salmon and trout	Salmo
4	98	Tusk	Brosme brosme
3.99000000953674	33	Rough scad	Trachurus lathami
3.98000001907349	29	Northern shortfin squid	Illex illecebrosus
3.97000002861023	25	American butterfish	Peprilus triacanthus
3.96666693687439	25	Sea robins	Prionotus
3.89499998092651	68	Shads	Alosa
3.89000010490417	49	Lumpsucker	Cyclopterus lumpus
3.7960000038147	83	Skates	Raja
3.79384589195251	87	Redfishes	Sebastes
3.71000003814697	35	Sculpins	Myoxocephalus
3.70000004768372	64	American lobster	Homarus americanus
3.65000009536743	33	Deepwater redfish	Sebastes mentella
3.65000009536743	67	American plaice	Hippoglossoides platessoides
3.64000010490417	41	Atlantic saury	Scomberesox saurus saurus
3.61999988555908	82	Onion-eye grenadier	Macrourus berglax
3.59999990463257	41	Red hake	Urophycis chuss
3.58999991416931	57	Greenland cod	Gadus ogac
3.57180309295654	50	Flatfishes	Pleuronectiformes
3.54999995231628	37	Windowpane	Scophthalmus aquosus
3.53999996185303	106	Roundnose grenadier	Coryphaenoides rupestris
3.50999999046326	38	Alewife	Alosa pseudoharengus
3.50999999046326	31	Longfin squid	Loligo pealeii
3.45000004768372	102	Great northern tilefish	Lopholatilus chamaeleonticeps
3.45000004768372	80	Hagfish	Myxine glutinosa
3.42000007629395	90	Ocean pout	Zoarces americanus
3.34999990463257	36	Argentines	Argentina
3.34500002861023	148	Wolffish	Anarhichas
3.29999995231628	25	Eelpouts	Lycodes
3.24000000953674	123	Wolf-fish	Anarhichas lupus
3.24000000953674	148	Spotted wolffish	Anarhichas minor
3.23000001907349	40	Atlantic herring	Clupea harengus
3.22000002861023	53	Yellowtail flounder	Limanda ferruginea
3.19000005722046	62	American shad	Alosa sapidissima
3.1800000667572	46	Atlantic mackerel	Scomber scombrus
3.1800000667572	12	Atlantic silverside	Menidia menidia
3.15000009536743	16	Capelin	Mallotus villosus
3.14000010490417	60	Witch flounder	Glyptocephalus cynoglossus
3.11209011077881	15	Sandlances	Ammodytes
3.07999992370605	39	White perch	Morone americana
3.04999995231628	31	Atlantic tomcod	Microgadus tomcod
3	25	Crustaceans	Crustacea
3	15	Whelks	Busycon
3	164	Ling	Molva molva
3	29	Rainbow smelt	Osmerus mordax mordax
2.82999992370605	50	Winter flounder	Pseudopleuronectes americanus
2.59999990463257	30	Marine crabs	Brachyura
2.59999990463257	16	Pandalus shrimps	Pandalus
2.59999990463257	12	Atlantic rock crab	Cancer irroratus
2.59999990463257	14	Jonah crab	Cancer borealis
2.59999990463257	17	Red deepsea crab	Chaceon quinquedens
2.52500009536743	120	Mullets	Mugilidae
2.46000003814697	14	Northern prawn	Pandalus borealis
2.29999995231628	20	Queen crab	Chionoecetes opilio
2.29999995231628	14	Stone king crab	Lithodes maia
2.25	41	Atlantic menhaden	Brevoortia tyrannus
2.23000001907349	15	Clams	Bivalvia
2.09999990463257	8	Sea urchins	Strongylocentrotus
2	10	Scallops	Pectinidae
2	2	Periwinkles	Littorina
2	10	American cupped oyster	Crassostrea virginica
2	15	American sea scallop	Placopecten magellanicus
2	26	Atlantic razor clam	Ensis directus
2	9	Atlantic bay scallop	Argopecten irradians
2	13	Atlantic surf clam	Spisula solidissima
2	8	Blue mussel	Mytilus edulis
2	108	Iceland scallop	Chlamys islandica
2	9	Northern quahog	Mercenaria mercenaria
2	11	Ocean quahog	Arctica islandica
2	7	Sand gaper	Mya arenaria
2	14	Stimpsons surf clam	Mactromeris polynyma

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