HOME
ANALYSES AND VISUALIZATION
PUBLICATIONS
NEWS AND ABOUT
COLLABORATIONS
CONTACT US
Marine Trophic Index in High seas - Pacific, Northwest
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
3.83
123.4
0
1
1951
3.75
92.2
0.3
1.35
1952
3.78
103.3
1.17
3.22
1953
3.82
113.2
1.7
5.47
1954
3.86
118
2.15
8.58
1955
3.91
121.9
2.37
10.7
1956
3.95
131.6
2.46
11.7
1957
3.97
133.9
2.73
15.33
1958
3.98
131.4
2.85
17.29
1959
4.01
137.2
2.93
18.73
1960
4.02
152.6
2.81
16.61
1961
4.02
144.7
3.09
21.98
1962
4.03
140.5
3.12
22.65
1963
4
141.8
3.03
20.7
1964
3.87
117.8
2.45
11.59
1965
3.83
112.7
2.27
9.68
1966
3.91
118.7
2.59
13.33
1967
3.86
112
2.4
11.02
1968
3.75
106.4
2.15
8.58
1969
3.76
106.6
2.18
8.85
1970
3.69
98.7
2.16
8.67
1971
3.65
92.1
2.07
7.92
1972
3.6
78.6
2.2
9.03
1973
3.69
84.5
2.49
12.06
1974
3.62
87.9
2.16
8.67
1975
3.64
88.3
2.23
9.3
1976
3.74
96.3
2.45
11.59
1977
3.69
94.7
2.42
11.25
1978
3.71
95.3
2.62
13.74
1979
3.72
97.8
2.67
14.44
1980
3.77
100.9
2.7
14.88
1981
3.75
106.3
2.49
12.06
1982
3.8
105.8
2.58
13.2
1983
3.8
104
2.65
14.15
1984
3.85
104.3
2.86
17.46
1985
3.79
102.5
2.58
13.2
1986
3.77
97.6
2.7
14.88
1987
3.8
102
2.7
14.88
1988
3.82
98.7
2.87
17.64
1989
3.8
94.1
2.78
16.12
1990
3.88
96.3
3
20.09
1991
3.93
100.9
3.25
25.79
1992
3.92
108.6
3.11
22.42
1993
3.88
104.2
3.19
24.29
1994
3.82
99.5
2.93
18.73
1995
3.85
99.1
2.98
19.69
1996
3.72
89.1
2.66
14.3
1997
3.77
88.4
3.05
21.12
1998
3.77
90.8
2.86
17.46
1999
3.82
103.2
3.01
20.29
2000
3.9
105.6
3.24
25.53
2001
3.85
95.4
3.09
21.98
2002
3.88
97.1
2.91
18.36
2003
3.89
89
3.12
22.65
2004
3.82
92.2
2.78
16.12
2005
3.77
83.9
2.9
18.17
2006
3.73
88.6
2.58
13.2
Show/Hide species list
Exclude
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
4.46999979019165
93
Kawakawa
Euthynnus affinis
4.46000003814697
150
Goosefishes
Lophiidae
4.46000003814697
367
Black marlin
Makaira indica
4.46000003814697
410
Indo-Pacific blue marlin
Makaira mazara
4.44999980926514
100
Kamchatka flounder
Atheresthes evermanni
4.44999980926514
192
Largehead hairtail
Trichiurus lepturus
4.40333318710327
179
Barracudas
Sphyraena
4.40000009536743
227
Wahoo
Acanthocybium solandri
4.38500022888184
164
Amberjacks
Seriola
4.36999988555908
172
Common dolphinfish
Coryphaena hippurus
4.34999990463257
108
Skipjack tuna
Katsuwonus pelamis
4.34000015258789
231
Yellowfin tuna
Thunnus albacares
4.30999994277954
136
Albacore
Thunnus alalunga
4.30999994277954
164
Cobia
Rachycentron canadum
4.28000020980835
27
Japanese flying squid
Todarodes pacificus
4.2622218132019
150
Mackerels tunas and bonitos
Scombridae
4.2350001335144
60
Frigate tuna
Auxis
4.23199987411499
90
Dogfish sharks
Squalidae
4.21000003814697
300
Pacific bluefin tuna
Thunnus orientalis
4.15000009536743
150
Cutlassfishes
Trichiuridae
4.1399998664856
50
Pomfrets
Bramidae
4.13424253463745
32
Squids
Teuthida
4.13000011444092
115
Pacific halibut
Hippoglossus stenolepis
4.07999992370605
246
Oilfish
Ruvettus pretiosus
4.05230808258057
164
Jacks and pompanos
Carangidae
4.05000019073486
729
Sharks and rays
Elasmobranchii
4.02400016784668
98
Snappers
Lutjanus
4.01749992370605
98
Snappers
Lutjanidae
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
3.97000002861023
60
Alfonsinos
Beryx
3.91666698455811
43
Scorpionfishes or rockfishes
Scorpaenidae
3.91417288780212
80
Cods
Gadiformes
3.89000010490417
60
Bigeye scad
Selar crumenophthalmus
3.87538504600525
82
Grenadiers or rattails
Macrouridae
3.86666703224182
72
Codlings
Moridae
3.82999992370605
98
Sablefish
Anoplopoma fimbria
3.80988097190857
27
Cephalopods
Cephalopoda
3.80666708946228
33
Bigeyes
Priacanthus
3.73000001907349
76
Sockeye salmon
Oncorhynchus nerka
3.71000003814697
30
Pacific saury
Cololabis saira
3.64000010490417
50
Flathead sole
Hippoglossoides elassodon
3.6324999332428
37
Scads
Decapterus
3.61999988555908
102
Tilefishes
Malacanthidae
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
3.58999991416931
148
Rainbow runner
Elagatis bipinnulata
3.57999992370605
68
Octopuses
Octopoda
3.57450008392334
25
Flyingfishes
Exocoetidae
3.53999996185303
16
Boarfishes
Caproidae
3.53143930435181
56
Perch-likes
Perciformes
3.5
19
Mantis shrimps
Squillidae
3.47000002861023
16
Longspine snipefish
Macroramphosus scolopax
3.46499991416931
32
Smelts
Osmeridae
3.46000003814697
43
Longfin armorhead
Pseudopentaceros wheeleri
3.45000004768372
80
Hagfishes
Myxinidae
3.45000004768372
75
Alaska Pollock
Theragra chalcogramma
3.45000004768372
25
Melon seed
Psenopsis anomala
3.41000008583069
18
Sailfin sandfish
Arctoscopus japonicus
3.40000009536743
25
Indian driftfish
Ariomma indicum
3.40000009536743
20
Slender rainbow sardine
Dussumieria elopsoides
3.40000009536743
35
Japanese flyingfish
Cheilopogon agoo
3.30864906311035
164
Porgies
Sparidae
3.29999995231628
25
Eelpouts
Lycodes
3.28999996185303
30
Tonguefishes
Cynoglossidae
3.24000000953674
13
Shrimps and prawns
Shrimps andprawns
3.24000000953674
25
Herrings
Clupeiformes
3.24000000953674
39
Yellowfin sole
Limanda aspera
3.21000003814697
49
Rock sole
Lepidopsetta bilineata
3.15000009536743
16
Capelin
Mallotus villosus
3.15000009536743
31
Pacific herring
Clupea pallasii pallasii
3.09999990463257
16
Deep-sea smelts
Bathylagidae
3.09999990463257
60
Alaska plaice
Pleuronectes quadrituberculatus
3.08999991416931
52
Chub mackerel
Scomber japonicus
3.00999999046326
6
Pearlsides
Maurolicus muelleri
2.8733332157135
20
Slipper lobsters
Scyllaridae
2.8199999332428
14
King crabs
Paralithodes
2.76699995994568
21
Sardinella
Sardinella
2.65000009536743
13
Natantian decapods
Shrimps and prawns
2.59999990463257
30
Marine crabs
Brachyura
2.59999990463257
16
Pandalus shrimps
Pandalus
2.59999990463257
12
Sidestripe shrimp
Pandalopsis japonica
2.59999990463257
10
Humpy shrimp
Pandalus goniurus
2.46000003814697
14
Northern prawn
Pandalus borealis
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
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
Feedback