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Marine Trophic Index in High seas - Atlantic, Northeast
Compute regression
Start year:
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
End year:
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
Compute regression
Start year:
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
End year:
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
Show/Hide tabular data
Year
Mean trophic level
Mean max. length (cm)
FiB Index
Expansion factor
1950
3.97
146.4
0
1
1951
3.96
139.7
0.49
1.63
1952
3.94
139.3
0.68
1.97
1953
3.81
126.8
0.49
1.63
1954
3.76
113.6
0.86
2.36
1955
4.1
151.9
1.81
6.11
1956
4.14
159.7
1.71
5.53
1957
3.72
110.5
0.68
1.97
1958
3.79
124.7
0.54
1.72
1959
3.56
120.7
0.54
1.72
1960
3.88
138.8
1.02
2.77
1961
3.75
108.8
0.76
2.14
1962
4.08
154.4
1.45
4.26
1963
4.12
155.8
1.49
4.44
1964
4.02
137.9
1.16
3.19
1965
3.88
119.8
1.06
2.89
1966
3.67
99.9
1.01
2.75
1967
3.72
110.9
0.98
2.66
1968
3.91
125.6
1.47
4.35
1969
3.84
120.4
1.46
4.31
1970
3.55
71
0.99
2.69
1971
3.36
42.5
1.06
2.89
1972
3.33
40.6
1.15
3.16
1973
3.71
94.4
1.24
3.46
1974
3.76
99.7
1.7
5.47
1975
3.75
98.2
1.65
5.21
1976
3.58
67.2
1.55
4.71
1977
3.49
59.2
1.49
4.44
1978
3.55
66.3
1.43
4.18
1979
3.58
52.1
1.59
4.9
1980
3.6
53.1
1.82
6.17
1981
3.52
46.1
1.71
5.53
1982
3.62
65.4
1.74
5.7
1983
3.5
53.5
1.9
6.69
1984
3.58
59.5
1.83
6.23
1985
3.68
65.7
1.84
6.3
1986
3.81
75.7
2.19
8.94
1987
3.93
72.2
2.37
10.7
1988
3.87
67.7
2.31
10.07
1989
3.93
70
2.48
11.94
1990
3.88
66.7
2.28
9.78
1991
3.66
67.4
1.66
5.26
1992
3.67
69.5
1.73
5.64
1993
3.76
78.2
2
7.39
1994
3.94
91.9
2.36
10.59
1995
3.9
88.3
2.41
11.13
1996
3.94
74.5
2.37
10.7
1997
3.89
81.3
2.23
9.3
1998
3.91
66.6
2.69
14.73
1999
3.93
60.9
3.02
20.49
2000
3.85
55.5
3.04
20.91
2001
3.8
55.6
2.84
17.12
2002
3.82
54.7
2.64
14.01
2003
3.85
52
3.17
23.81
2004
3.97
55
3.25
25.79
2005
3.99
53.4
3.47
32.14
2006
3.99
49.9
3.45
31.5
Show/Hide species list
Exclude
TL
SLMax(cm)
Common Name
Scientific Name
4.53000020980835
219
Atlantic halibut
Hippoglossus hippoglossus
4.50750017166138
287
Mackerel sharks and white sharks
Lamnidae
4.5
498
Mako sharks
Isurus
4.5
400
Thresher sharks
Alopias
4.5
90
Needlefishes
Belone
4.5
121
Plain bonito
Orcynopsis unicolor
4.5
219
Bigeye tuna
Thunnus obesus
4.5
98
Bluefish
Pomatomus saltatrix
4.5
110
Black scabbardfish
Aphanopus carbo
4.5
284
Smooth hammerhead
Sphyrna zygaena
4.5
79
John dory
Zeus faber
4.48999977111816
449
Swordfish
Xiphias gladius
4.48999977111816
205
Sandbar shark
Carcharhinus plumbeus
4.48000001907349
246
Atlantic white marlin
Tetrapturus albidus
4.48000001907349
66
Greenland halibut
Reinhardtius hippoglossoides
4.48000001907349
127
Blue ling
Molva dypterygia
4.48000001907349
100
Black-bellied angler
Lophius budegassa
4.47714281082153
367
Billfishes
Istiophoridae
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
4.42999982833862
131
Lowfin gulper shark
Centrophorus lusitanicus
4.42000007629395
130
European hake
Merluccius merluccius
4.42000007629395
186
Atlantic cod
Gadus morhua
4.40333318710327
179
Barracudas
Sphyraena
4.40000009536743
258
Atlantic sailfish
Istiophorus albicans
4.38500022888184
164
Amberjacks
Seriola
4.38000011444092
346
Atlantic blue marlin
Makaira nigricans
4.38000011444092
70
Splendid alfonsino
Beryx splendens
4.38000011444092
107
Saithe
Pollachius virens
4.34999990463257
108
Skipjack tuna
Katsuwonus pelamis
4.34428596496582
376
Tuna
Thunnus
4.34000015258789
54
Frigate tuna
Auxis thazard thazard
4.34000015258789
231
Yellowfin tuna
Thunnus albacares
4.34000015258789
200
Escolar
Lepidocybium flavobrunneum
4.30999994277954
136
Albacore
Thunnus alalunga
4.30000019073486
130
Piked dogfish
Squalus acanthias
4.28999996185303
57
Whiting
Merlangius merlangus
4.28999996185303
246
European conger
Conger conger
4.28999996185303
90
Veined Squid
Loligo forbesii
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
4.24176502227783
207
Requiem sharks
Carcharhinidae
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
4.21750020980835
125
Gymnothorax
Gymnothorax
4.21333312988281
246
Snake mackerels
Gempylidae
4.21000003814697
89
Garpike
Belone belone
4.21000003814697
277
Porbeagle
Lamna nasus
4.21000003814697
400
Bigeye thresher
Alopias superciliosus
4.21000003814697
623
Thintail thresher
Alopias vulpinus
4.19999980926514
376
Tunas bonitos and billfishes
Scombroids
4.19999980926514
90
Atlantic bonito
Sarda sarda
4.19999980926514
120
Portuguese dogfish
Centroscymnus coelolepis
4.19500017166138
346
Hammerhead sharks
Sphyrna
4.19000005722046
165
Lings
Molva
4.18833303451538
606
Bramble and sleeper and dogfish sharks
Squaliformes
4.17999982833862
122
Roudi escolar
Promethichthys prometheus
4.15999984741211
130
Longnose velvet dogfish
Centroscymnus crepidater
4.15000009536743
150
Cutlassfishes
Trichiuridae
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
4.12428617477417
102
Jacks
Caranx
4.1100001335144
100
Intermediate scabbardfish
Aphanopus intermedius
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
4.07999992370605
246
Oilfish
Ruvettus pretiosus
4.07882404327393
525
Ground sharks
Carcharhiniformes
4.05230808258057
164
Jacks and pompanos
Carangidae
4.05000019073486
729
Sharks and rays
Elasmobranchii
4.04333305358887
61
Catsharks
Galeus
4.02400016784668
98
Snappers
Lutjanus
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
3.97000002861023
120
Sailfin roughshark
Oxynotus paradoxus
3.96499991416931
100
Seabreams (Dentex spp)
Dentex
3.96499991416931
49
Megrims
Lepidorhombus
3.96000003814697
205
Blue skate
Dipturus batis
3.9466667175293
25
Weeverfishes
Trachinidae
3.9466667175293
24
Weevers
Trachinus
3.94000005722046
100
European/spotted seabass
Dicentrarchus
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
143
Eels and morays
Anguilliformes
3.88000011444092
88
Knifetooth dogfish
Scymnodon ringens
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
172
Silver scabbardfish
Lepidopus caudatus
3.84999990463257
90
Dusky grouper
Epinephelus marginatus
3.82999992370605
172
Wreckfish
Polyprion americanus
3.81625008583069
205
Skates
Rajidae
3.81500005722046
154
Houndsharks
Triakidae
3.80999994277954
39
Blackbelly rosefish
Helicolenus dactylopterus
3.80988097190857
27
Cephalopods
Cephalopoda
3.7960000038147
83
Skates
Raja
3.79384589195251
87
Redfishes
Sebastes
3.78355598449707
45
Scorpionfishes and flatheads
Scorpaeniformes
3.77125000953674
20
Lefteye flounders
Bothidae
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
3.72749996185303
38
Groupers
Serranus
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
273
Ocean sunfish
Mola mola
3.70222210884094
28
Cuttlefishes
Sepiida
3.6949999332428
66
Jack and horse mackerels
Trachurus
3.65000009536743
33
Deepwater redfish
Sebastes mentella
3.65000009536743
75
Common seabream
Pagrus pagrus
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
83
Thornback ray
Raja clavata
3.58999991416931
60
Twaite shad
Alosa fallax
3.58333325386047
82
Grenadiers
Macrourus
3.57999992370605
68
Octopuses
Octopoda
3.57450008392334
25
Flyingfishes
Exocoetidae
3.57180309295654
50
Flatfishes
Pleuronectiformes
3.5699999332428
53
Grey gurnard
Eutrigla gurnardus
3.5699999332428
155
Pudgy cuskeel
Spectrunculus grandis
3.54999995231628
51
Piper gurnard
Trigla lyra
3.54999995231628
130
Spearnose chimaera
Rhinochimaera atlantica
3.54999995231628
28
Common cuttlefish
Sepia officinalis
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
20
Cardinalfishes
Epigonus
3.5
102
Crevalle jack
Caranx hippos
3.5
120
Sandy ray
Leucoraja circularis
3.5
123
Longnosed skate
Dipturus oxyrinchus
3.49206900596619
54
Righteye flounders
Pleuronectidae
3.49000000953674
42
Mediterranean slimehead
Hoplostethus mediterraneus mediterraneus
3.48000001907349
36
Axillary seabream
Pagellus acarne
3.48000001907349
50
Rissos smooth-head
Alepocephalus rostratus
3.47000002861023
23
Armored searobins or armored gurnards
Peristediidae
3.47000002861023
16
Longspine snipefish
Macroramphosus scolopax
3.47000002861023
49
Roughsnout grenadier
Trachyrincus scabrus
3.44000005722046
70
Pandoras
Pagellus
3.44000005722046
100
Baird's slickhead
Alepocephalus bairdii
3.4300000667572
53
Large-eye dentex
Dentex macrophthalmus
3.42000007629395
150
Rabbit fish
Chimaera monstrosa
3.39750003814697
35
Rocklings
Gaidropsarus
3.38166689872742
40
Stingrays
Dasyatidae
3.35500001907349
200
Eagle and manta rays
Myliobatidae
3.34999990463257
36
Argentines
Argentina
3.34500002861023
148
Wolffish
Anarhichas
3.33999991416931
60
Black seabream
Spondyliosoma cantharus
3.3199999332428
49
Blue jack mackerel
Trachurus picturatus
3.3199999332428
60
Bulls-eye
Epigonus telescopus
3.30999994277954
70
Greater argentine
Argentina silus
3.30999994277954
4
Deepwater rose shrimp
Parapenaeus longirostris
3.30864906311035
164
Porgies
Sparidae
3.29999995231628
140
Salmonids
Salmonidae
3.29999995231628
16
Lanternfishes
Myctophidae
3.28999996185303
30
Tonguefishes
Cynoglossidae
3.28999996185303
40
Dab
Limanda limanda
3.28500008583069
40
Western goatfishes
Mullus
3.27999997138977
150
Stingrays
Dasyatis
3.27999997138977
20
Iberian soles
Microchirus
3.27999997138977
43
Thickback sole
Microchirus variegatus
3.25999999046326
100
European plaice
Pleuronectes platessa
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
3.21000003814697
25
Round sardinella
Sardinella aurita
3.20250010490417
12
Silversides
Atherinidae
3.20000004768372
729
Basking shark
Cetorhinus maximus
3.19000005722046
9
Crongonid shrimp
Crangonidae
3.1800000667572
46
Atlantic mackerel
Scomber scombrus
3.17000007629395
70
Common sole
Solea solea
3.1589469909668
28
Herrings and shads and sardines and menhadens
Clupeidae
3.15166711807251
25
Soles
Soleidae
3.15000009536743
18
Snipefishes
Macroramphosidae
3.15000009536743
16
Capelin
Mallotus villosus
3.14000010490417
60
Witch flounder
Glyptocephalus cynoglossus
3.13000011444092
41
Soles
Solea
3.11209011077881
15
Sandlances
Ammodytes
3.09999990463257
12
Craylets and squat lobsters
King crabs and squat-lobsters
3.09999990463257
33
Polar cod
Boreogadus saida
3.09999990463257
25
European pilchard
Sardina pilchardus
3.09999990463257
12
Whelk
Buccinum undatum
3.09999990463257
19
Deep-sea red crab
Chaceon affinis
3.08999991416931
52
Chub mackerel
Scomber japonicus
3.0699999332428
36
Common Atlantic grenadier
Nezumia aequalis
3
25
Crustaceans
Crustacea
3
164
Ling
Molva molva
2.99000000953674
45
Zebra seabream
Diplodus cervinus cervinus
2.88000011444092
8
Norway lobster
Nephrops norvegicus
2.8733332157135
20
Slipper lobsters
Scyllaridae
2.8199999332428
40
Red king crab
Paralithodes camtschaticus
2.76699995994568
21
Sardinella
Sardinella
2.70000004768372
25
Herrings sardines and anchovies
Clupeoids
2.65000009536743
13
Natantian decapods
Shrimps and prawns
2.59999990463257
30
Marine crabs
Brachyura
2.59999990463257
18
Deepsea crabs
Geryon
2.59999990463257
16
Pandalus shrimps
Pandalus
2.59999990463257
17
Red deepsea crab
Chaceon quinquedens
2.46000003814697
14
Northern prawn
Pandalus borealis
2.29999995231628
16
Lithodes
Lithodes
2.29999995231628
8
Green sea urchin
Strongylocentrotus droebachiensis
2.26999998092651
15
Clams cockles and arkshells
Clams or cockles and arkshells
2
46
Sea cucumbers
Holothuroidea
2
10
Sea mussels
Mytilidae
2
10
Scallops
Pectinidae
2
8
Venus clams
Veneridae
2
25
Cupped oysters
Crassostrea
FiB index inputs
Reference year:
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
Transfer efficiency:
Method
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