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Marine Trophic Index in High seas - Indian Ocean, Eastern
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
3.85
146.8
0
1
1951
4.01
293
4.09
59.74
1952
3.97
230.7
8.22
3714.5
1953
4.11
229.1
8.72
6124.18
1954
4.25
227.1
9.66
15677.78
1955
4.22
225.4
9.46
12835.88
1956
4.22
224.5
9.81
18214.99
1957
4.23
225.6
9.83
18582.95
1958
4.22
226.5
9.49
13226.8
1959
4.1
219.7
9.51
13493.99
1960
4.17
219.3
9.77
17500.77
1961
4.13
220.5
9.68
15994.5
1962
4.21
219
9.92
20332.99
1963
4.15
211.5
9.58
14472.42
1964
4.13
215.2
9.62
15063.05
1965
4.16
212.2
9.81
18214.99
1966
4.16
208.5
9.45
12708.17
1967
4.13
216.7
9.82
18398.05
1968
4.15
217.1
9.87
19341.34
1969
4.2
212.7
9.64
15367.34
1970
4.19
215.5
9.63
15214.44
1971
4.07
214.6
9.43
12456.53
1972
4.05
211.7
9.3
10938.02
1973
4.09
197.5
9.16
9509.06
1974
4.12
197.6
9.55
14044.69
1975
4.21
191.5
10.09
24100.79
1976
4.15
176.6
10.42
33523.43
1977
4.14
174.1
10.62
40945.61
1978
4.16
171.1
10.87
52575.21
1979
4.17
172.2
11.15
69563.83
1980
4.13
164.2
11.22
74607.77
1981
4.1
157.7
11.02
61083.68
1982
3.96
137.5
10.77
47572.02
1983
3.93
136
10.86
52052.08
1984
3.91
137.6
10.8
49020.8
1985
3.86
135.7
10.73
45706.69
1986
3.83
128.4
10.78
48050.12
1987
3.88
129.7
10.93
55826.28
1988
3.88
131.9
10.95
56954.05
1989
3.8
122.5
10.82
50011.09
1990
3.79
120.2
10.75
46630.03
1991
3.88
127.3
10.96
57526.44
1992
3.79
117.8
10.9
54176.36
1993
3.94
139.6
11.3
80821.64
1994
4.02
147
11.54
102744.44
1995
4.07
149.3
11.85
140084.35
1996
4.08
153.1
11.93
151751.56
1997
4.09
158
12.06
172818.99
1998
4.15
162.5
12.17
192914.04
1999
4.1
160.6
12.19
196811.17
2000
4.08
156.2
12.15
189094.09
2001
4.09
157.1
12.06
172818.99
2002
4.09
161.9
12.12
183505.51
2003
4.06
160.4
12
162754.79
2004
4.07
154.2
12.04
169396.94
2005
4.1
148.6
11.8
133252.35
2006
4.07
139.9
11.75
126753.56
Show/Hide species list
Exclude
TL
SLMax(cm)
Common Name
Scientific Name
4.57999992370605
287
Striped marlin
Tetrapturus audax
4.50750017166138
287
Mackerel sharks and white sharks
Lamnidae
4.5
498
Mako sharks
Isurus
4.5
400
Thresher sharks
Alopias
4.5
279
Indo-Pacific sailfish
Istiophorus platypterus
4.5
74
Streaked seerfish
Scomberomorus lineolatus
4.5
219
Bigeye tuna
Thunnus obesus
4.5
98
Bluefish
Pomatomus saltatrix
4.5
189
Shortbill spearfish
Tetrapturus angustirostris
4.48999977111816
449
Swordfish
Xiphias gladius
4.47714281082153
367
Billfishes
Istiophoridae
4.46999979019165
93
Kawakawa
Euthynnus affinis
4.46000003814697
367
Black marlin
Makaira indica
4.46000003814697
410
Indo-Pacific blue marlin
Makaira mazara
4.40333318710327
179
Barracudas
Sphyraena
4.40000009536743
227
Wahoo
Acanthocybium solandri
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
392
Shortfin mako
Isurus oxyrinchus
4.2622218132019
150
Mackerels tunas and bonitos
Scombridae
4.25
110
Silver gemfish
Rexea solandri
4.24176502227783
207
Requiem sharks
Carcharhinidae
4.23999977111816
289
Blue shark
Prionace glauca
4.2350001335144
60
Frigate tuna
Auxis
4.23199987411499
90
Dogfish sharks
Squalidae
4.21333312988281
246
Snake mackerels
Gempylidae
4.19999980926514
18
Mantis shrimps
Stomatopoda
4.19999980926514
238
Silky shark
Carcharhinus falciformis
4.18599987030029
421
Hammerhead and bonnethead and scoophead shark
Sphyrnidae
4.15000009536743
150
Cutlassfishes
Trichiuridae
4.13424253463745
32
Squids
Teuthida
4.05999994277954
126
Longtail tuna
Thunnus tonggol
4.05230808258057
164
Jacks and pompanos
Carangidae
4.03000020980835
37
Blue mackerel
Scomber australasicus
4
300
Sharks rays and skates etc
Sharks or rays and chimaeras
3.99000000953674
25
Common squids
Loligo
3.98000001907349
57
Orange roughy
Hoplostethus atlanticus
3.97000002861023
60
Alfonsinos
Beryx
3.96000003814697
176
Patagonian toothfish
Dissostichus eleginoides
3.92666673660278
25
Lobsterette
Metanephrops
3.91666698455811
43
Scorpionfishes or rockfishes
Scorpaenidae
3.91417288780212
80
Cods
Gadiformes
3.89000010490417
60
Bigeye scad
Selar crumenophthalmus
3.86999988555908
228
Southern bluefin tuna
Thunnus maccoyii
3.80988097190857
27
Cephalopods
Cephalopoda
3.77125000953674
20
Lefteye flounders
Bothidae
3.74000000953674
200
Snoek
Thyrsites atun
3.72562503814697
111
Smooth-hounds
Mustelus
3.61374998092651
205
Skates and rays
Rajiformes
3.60999989509583
45
Greenback horse mackerel
Trachurus declivis
3.59999990463257
28
Cuttlefishes
Sepiidae
3.58999991416931
148
Rainbow runner
Elagatis bipinnulata
3.57999992370605
68
Octopuses
Octopoda
3.57450008392334
25
Flyingfishes
Exocoetidae
3.53600001335144
29
Tropical goatfishes
Upeneus
3.53143930435181
56
Perch-likes
Perciformes
3.50999999046326
90
Barrelfishes
Seriolella
3.38166689872742
40
Stingrays
Dasyatidae
3.35500001907349
200
Eagle and manta rays
Myliobatidae
3.3199999332428
57
Porae
Nemadactylus
3.30864906311035
164
Porgies
Sparidae
3.29999995231628
123
Indo-Pacific tarpon
Megalops cyprinoides
3.28999996185303
30
Tonguefishes
Cynoglossidae
3.24000000953674
25
Herrings
Clupeiformes
2.8733332157135
20
Slipper lobsters
Scyllaridae
2.72000002861023
32
Short mackerel
Rastrelliger brachysoma
2.65000009536743
13
Natantian decapods
Shrimps and prawns
2.59999990463257
30
Marine crabs
Brachyura
2.26999998092651
15
Clams cockles and arkshells
Clams or cockles and arkshells
2
5
Short neck clams
Paphia
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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