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Marine Trophic Index in LME: Bay of Bengal
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
3.41
62.7
0
1
1951
3.43
67.4
0.02
1.02
1952
3.47
69.2
0.1
1.11
1953
3.46
70.4
0.1
1.11
1954
3.49
79.8
0.21
1.23
1955
3.53
73.9
0.29
1.34
1956
3.54
70.6
0.46
1.58
1957
3.36
62.4
0.19
1.21
1958
3.4
65.1
0.21
1.23
1959
3.44
68
0.18
1.2
1960
3.39
64
0.36
1.43
1961
3.42
68.7
0.32
1.38
1962
3.45
72.4
0.46
1.58
1963
3.5
73.4
0.57
1.77
1964
3.35
65
0.43
1.54
1965
3.36
67.8
0.42
1.52
1966
3.39
66.5
0.58
1.79
1967
3.37
68.2
0.61
1.84
1968
3.33
64.5
0.65
1.92
1969
3.39
68.1
0.76
2.14
1970
3.37
64.7
0.82
2.27
1971
3.32
60.3
0.76
2.14
1972
3.41
67.1
0.84
2.32
1973
3.43
68.8
1.08
2.94
1974
3.46
73
1.16
3.19
1975
3.46
72.3
1.28
3.6
1976
3.43
70.1
1.28
3.6
1977
3.42
68
1.24
3.46
1978
3.42
65.9
1.35
3.86
1979
3.44
65.4
1.41
4.1
1980
3.44
66
1.37
3.94
1981
3.39
62.9
1.28
3.6
1982
3.39
62.3
1.39
4.01
1983
3.4
61.9
1.49
4.44
1984
3.33
60.8
1.4
4.06
1985
3.34
64.7
1.34
3.82
1986
3.37
68.6
1.46
4.31
1987
3.31
63.8
1.39
4.01
1988
3.33
64.2
1.46
4.31
1989
3.31
60.8
1.56
4.76
1990
3.32
61.8
1.58
4.85
1991
3.36
64.6
1.73
5.64
1992
3.36
65.5
1.79
5.99
1993
3.35
64.8
1.83
6.23
1994
3.4
65.9
2.04
7.69
1995
3.38
65.1
2.04
7.69
1996
3.4
68.9
2.15
8.58
1997
3.4
69.2
2.19
8.94
1998
3.44
70.8
2.28
9.78
1999
3.38
68
2.25
9.49
2000
3.37
67.5
2.2
9.03
2001
3.32
69.4
1.97
7.17
2002
3.39
71.4
2.14
8.5
2003
3.39
70.1
2.14
8.5
2004
3.36
71.5
2.18
8.85
2005
3.31
66.7
1.97
7.17
2006
3.36
70.5
2.2
9.03
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
400
Thresher sharks
Alopias
4.5
279
Indo-Pacific sailfish
Istiophorus platypterus
4.5
205
Narrow-barred Spanish mackerel
Scomberomorus commerson
4.5
74
Streaked seerfish
Scomberomorus lineolatus
4.5
219
Bigeye tuna
Thunnus obesus
4.5
98
Bluefish
Pomatomus saltatrix
4.5
179
Great barracuda
Sphyraena barracuda
4.5
189
Shortbill spearfish
Tetrapturus angustirostris
4.5
138
Pickhandle barracuda
Sphyraena jello
4.5
100
Dorab wolf-herring
Chirocentrus dorab
4.5
52
Humpback grouper
Cromileptes altivelis
4.48999977111816
138
Coryphaena
Coryphaena
4.48999977111816
449
Swordfish
Xiphias gladius
4.48999977111816
120
Leopard coralgrouper
Plectropomus leopardus
4.47714281082153
367
Billfishes
Istiophoridae
4.46999979019165
100
Queenfishes
Scomberoides
4.46999979019165
93
Kawakawa
Euthynnus affinis
4.46500015258789
122
Needlefishes
Tylosurus
4.46000003814697
367
Black marlin
Makaira indica
4.46000003814697
410
Indo-Pacific blue marlin
Makaira mazara
4.44999980926514
192
Largehead hairtail
Trichiurus lepturus
4.42000007629395
227
Acanthocybium
Acanthocybium
4.40333318710327
179
Barracudas
Sphyraena
4.40000009536743
227
Wahoo
Acanthocybium solandri
4.40000009536743
56
Greater lizardfish
Saurida tumbil
4.3899998664856
69
Torpedo scad
Megalaspis cordyla
4.3899998664856
52
Indian spiny turbot
Psettodes erumei
4.38500022888184
164
Amberjacks
Seriola
4.36999988555908
172
Common dolphinfish
Coryphaena hippurus
4.34999990463257
108
Skipjack tuna
Katsuwonus pelamis
4.34999990463257
164
Fourfinger threadfin
Eleutheronema tetradactylum
4.34999990463257
162
Barramundi
Lates calcarifer
4.34749984741211
205
Seerfishes
Scomberomorus
4.34000015258789
231
Yellowfin tuna
Thunnus albacares
4.30999994277954
136
Albacore
Thunnus alalunga
4.30999994277954
164
Cobia
Rachycentron canadum
4.29699993133545
56
Lizardfishes
Synodontidae
4.29500007629395
100
Wolf herring
Chirocentrus
4.28000020980835
71
Indo-Pacific king mackerel
Scomberomorus guttatus
4.2622218132019
150
Mackerels tunas and bonitos
Scombridae
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
4.23000001907349
61
Greasy grouper
Epinephelus tauvina
4.19999980926514
18
Mantis shrimps
Stomatopoda
4.19999980926514
32
Bombay duck
Harpadon nehereus
4.19999980926514
238
Silky shark
Carcharhinus falciformis
4.19999980926514
21
Chocolate hind
Cephalopholis boenak
4.19000005722046
19
Toothpony
Gazza minuta
4.18599987030029
421
Hammerhead and bonnethead and scoophead shark
Sphyrnidae
4.17999982833862
246
Conger and garden eels
Congridae
4.17999982833862
95
Striped bonito
Sarda orientalis
4.17000007629395
156
Blackbanded trevally
Seriolina nigrofasciata
4.15000009536743
150
Cutlassfishes
Trichiuridae
4.13424253463745
32
Squids
Teuthida
4.13000011444092
164
Bullet tuna
Auxis rochei rochei
4.07399988174438
100
Moray eels
Muraenidae
4.07000017166138
180
Daggertooth pike conger
Muraenesox cinereus
4.05999994277954
126
Longtail tuna
Thunnus tonggol
4.05230808258057
164
Jacks and pompanos
Carangidae
4.02400016784668
98
Snappers
Lutjanus
4.01749992370605
98
Snappers
Lutjanidae
4
300
Sharks rays and skates etc
Sharks or rays and chimaeras
4
150
Various sharks
Sharks rays and chimaeras
3.99000000953674
180
Conger eels
Muraenesox
3.99000000953674
25
Common squids
Loligo
3.99000000953674
279
Humphead wrasse
Cheilinus undulatus
3.98279094696045
190
Sea basses or groupers and fairy basslets
Serranidae
3.97000002861023
60
Alfonsinos
Beryx
3.97000002861023
33
False trevally
Lactarius lactarius
3.91417288780212
80
Cods
Gadiformes
3.90000009536743
87
Flatheads
Platycephalidae
3.89499998092651
68
Shads
Alosa
3.89000010490417
60
Bigeye scad
Selar crumenophthalmus
3.86999988555908
228
Southern bluefin tuna
Thunnus maccoyii
3.84349989891052
190
Groupers
Epinephelus
3.81625008583069
205
Skates
Rajidae
3.80988097190857
27
Cephalopods
Cephalopoda
3.80666708946228
33
Bigeyes
Priacanthus
3.78999996185303
26
Honeycomb grouper
Epinephelus merra
3.76205897331238
200
Drums or croakers
Sciaenidae
3.72000002861023
29
Threadfin breams
Nemipterus
3.69749999046326
163
Guitarfishes
Rhinobatidae
3.69000005722046
37
Indian scad
Decapterus russelli
3.68666696548462
102
Pompanos
Trachinotus
3.64000010490417
62
Black pomfret
Parastromateus niger
3.6324999332428
37
Scads
Decapterus
3.6175000667572
50
Butterfishes
Stromateidae
3.61666703224182
164
Threadfins
Polynemidae
3.61374998092651
205
Skates and rays
Rajiformes
3.59999990463257
28
Cuttlefishes
Sepiidae
3.59999990463257
33
Chinese silver pomfret
Pampus chinensis
3.58999991416931
148
Rainbow runner
Elagatis bipinnulata
3.58588194847107
70
Emperors or scavengers
Lethrinidae
3.57999992370605
68
Octopuses
Octopoda
3.57999992370605
98
Mangrove red snapper
Lutjanus argentimaculatus
3.57450008392334
25
Flyingfishes
Exocoetidae
3.57180309295654
50
Flatfishes
Pleuronectiformes
3.56200003623962
15
Swimming crabs
Portunidae
3.53999996185303
246
White-spotted shovelnose ray
Rhynchobatus australiae
3.53600001335144
29
Tropical goatfishes
Upeneus
3.53143930435181
56
Perch-likes
Perciformes
3.52999997138977
16
Yellowstripe scad
Selaroides leptolepis
3.51166701316834
35
Threadfin breams and Whiptail breams
Nemipteridae
3.5
19
Mantis shrimps
Squillidae
3.5
25
Trumpeters
Terapon
3.47857093811035
62
Sea catfishes
Ariidae
3.45967698097229
75
Wrasses
Labridae
3.45749998092651
55
Goatfishes
Mullidae
3.4449999332428
10
Indo-Pacific anchovies
Stolephorus
3.42000007629395
61
Silver grunt
Pomadasys argenteus
3.40000009536743
197
Flounders halibuts and soles
Flounders or halibuts and soles
3.40000009536743
20
Rainbow sardine
Dussumieria acuta
3.39466667175293
26
Fusiliers
Caesionidae
3.38166689872742
40
Stingrays
Dasyatidae
3.36999988555908
16
Indian pellona
Pellona ditchela
3.36999988555908
31
Silver sillago
Sillago sihama
3.35863590240479
80
Grunts
Haemulidae
3.35500001907349
200
Eagle and manta rays
Myliobatidae
3.33833336830139
18
Thryssa
Thryssa
3.30999994277954
18
Penaeid shrimps
Penaeidae
3.30864906311035
164
Porgies
Sparidae
3.30333304405212
25
Monocle breams
Scolopsis
3.29999995231628
123
Indo-Pacific tarpon
Megalops cyprinoides
3.28999996185303
30
Tonguefishes
Cynoglossidae
3.26999998092651
25
Silver biddies
Gerres
3.26999998092651
10
Spotted codlet
Bregmaceros mcclellandi
3.25250005722046
53
Triggerfishes
Balistidae
3.25142908096313
21
Anchovies
Engraulidae
3.24714279174805
41
Smelt-whitings
Sillaginidae
3.24000000953674
13
Shrimps and prawns
Shrimps andprawns
3.24000000953674
25
Herrings
Clupeiformes
3.2366669178009
12
Slimys slipmouths or ponyfishes
Leiognathidae
3.22285723686218
12
Slipmouths
Leiognathus
3.21000003814697
29
Kelee shad
Hilsa kelee
3.19000005722046
32
Indian mackerel
Rastrelliger kanagurta
3.1800000667572
10
Anchoviella
Anchoviella
3.1800000667572
60
Silver pomfret
Pampus argenteus
3.17000007629395
28
Indo-Pacific swamp crab
Scylla serrata
3.15166711807251
25
Soles
Soleidae
3.14000010490417
40
Spiny lobsters
Palinuridae
3.10333323478699
33
Indo-Pacific mackerels
Rastrelliger
3.08999991416931
100
Eel catfishes
Plotosus
3.04500007629395
45
Halfbeaks
Hemiramphus
3
25
Crustaceans
Crustacea
3
18
Chacunda gizzard shad
Anodontostoma chacunda
3
5
Banana prawn
Fenneropenaeus merguiensis
3
14
Blue swimming crab
Portunus pelagicus
2.9300000667572
2
Sergestid shrimp
Sergestidae
2.84999990463257
17
Goldstripe sardinella
Sardinella gibbosa
2.82249999046326
33
Halfbeaks
Hemiramphidae
2.76699995994568
21
Sardinella
Sardinella
2.72000002861023
32
Short mackerel
Rastrelliger brachysoma
2.70000004768372
17
Metapenaeus shrimps
Metapenaeus
2.70000004768372
34
Penaeus shrimps
Penaeus
2.70000004768372
3
Akiami paste shrimp
Acetes japonicus
2.70000004768372
6
Green tiger prawn
Penaeus semisulcatus
2.70000004768372
6
Western king prawn
Melicertus latisulcatus
2.65000009536743
13
Natantian decapods
Shrimps and prawns
2.59999990463257
30
Marine crabs
Brachyura
2.59999990463257
40
Tropical spiny lobsters
Panulirus
2.59999990463257
31
Giant tiger prawn
Penaeus monodon
2.52500009536743
120
Mullets
Mugilidae
2.50999999046326
23
Indian oil sardine
Sardinella longiceps
2.5
26
Flathead lobster
Thenus orientalis
2.48000001907349
23
Bali sardinella
Sardinella lemuru
2.48000001907349
50
Toli shad
Tenualosa toli
2.26999998092651
15
Clams cockles and arkshells
Clams or cockles and arkshells
2.20000004768372
3
Euphausia
Euphausia
2.11142897605896
34
Rabbitfishes
Siganus
2.04999995231628
7
Turbo snails
Turbo
2.03999996185303
60
Hilsa shad
Tenualosa ilisha
2
46
Sea cucumbers
Holothuroidea
2
10
Scallops
Pectinidae
2
25
Cupped oysters
Crassostrea
2
13
Horse mussels
Modiolus
2
5
Hard clams
Meretrix
2
5
Short neck clams
Paphia
2
4
Granular ark
Tegillarca granosa
2
11
Brown mussel
Perna viridis
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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