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Marine Trophic Index in High seas - Atlantic, Western Central
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
4.21
176.7
0
1
1951
4.19
172.9
0.46
1.58
1952
4.12
161.9
0.85
2.34
1953
4.13
168.5
1.03
2.8
1954
4.22
166.8
1.48
4.39
1955
4.24
174.6
1.66
5.26
1956
4.25
159.1
1.84
6.3
1957
4.26
147.9
2.23
9.3
1958
4.29
177.7
2.87
17.64
1959
4.27
191.1
2.71
15.03
1960
4.26
182.5
2.76
15.8
1961
4.22
166.6
2.19
8.94
1962
4.31
185.3
3.56
35.16
1963
4.3
179.5
3.52
33.78
1964
4.29
195.4
3.59
36.23
1965
4.27
185.9
3.38
29.37
1966
4.22
170.3
3.11
22.42
1967
4.2
142.8
2.72
15.18
1968
4.24
157.1
2.72
15.18
1969
4.24
162.6
2.79
16.28
1970
4.24
166
2.85
17.29
1971
4.23
162.8
2.92
18.54
1972
4.2
161
2.53
12.55
1973
4.22
166.1
2.69
14.73
1974
4.23
166.4
2.76
15.8
1975
4.18
164.6
2.78
16.12
1976
4.23
167.5
3.13
22.87
1977
4.29
169.1
3.37
29.08
1978
4.26
173.7
3.28
26.58
1979
4.26
172
3.42
30.57
1980
4.28
184.1
3.59
36.23
1981
4.27
183.3
3.85
46.99
1982
4.29
175.5
4.32
75.19
1983
4.28
180.8
4.57
96.54
1984
4.28
177
4.62
101.49
1985
4.29
184.5
4.54
93.69
1986
4.26
173
4.18
65.37
1987
4.24
176.2
3.94
51.42
1988
4.19
182.6
4.07
58.56
1989
4.26
202.8
4.37
79.04
1990
4.23
193.3
4.16
64.07
1991
4.24
191.9
4.32
75.19
1992
4.19
173.7
4.37
79.04
1993
4.25
185.1
4.46
86.49
1994
4.25
190.3
4.47
87.36
1995
4.22
189.1
4.23
68.72
1996
4.22
181.1
4.28
72.24
1997
4.22
186.6
4.3
73.7
1998
4.2
184.4
4.28
72.24
1999
4.22
184.1
4.29
72.97
2000
4.17
184.1
4.32
75.19
2001
4.23
184.8
4.52
91.84
2002
4.23
189.6
4.34
76.71
2003
4.23
197.6
4.34
76.71
2004
4.25
193.4
4.43
83.93
2005
4.22
200.9
4.24
69.41
2006
4.22
193.2
4.22
68.03
Show/Hide species list
Exclude
TL
SLMax(cm)
Common Name
Scientific Name
4.50750017166138
287
Mackerel sharks and white sharks
Lamnidae
4.5
77
Spanish mackerel
Scomberomorus maculatus
4.5
219
Bigeye tuna
Thunnus obesus
4.5
98
Bluefish
Pomatomus saltatrix
4.5
110
Black scabbardfish
Aphanopus carbo
4.48999977111816
449
Swordfish
Xiphias gladius
4.48000001907349
246
Atlantic white marlin
Tetrapturus albidus
4.47714281082153
367
Billfishes
Istiophoridae
4.46000003814697
112
Monkfishes
Lophius
4.42999982833862
376
Atlantic bluefin tuna
Thunnus thynnus
4.40333318710327
179
Barracudas
Sphyraena
4.40000009536743
258
Atlantic sailfish
Istiophorus albicans
4.40000009536743
227
Wahoo
Acanthocybium solandri
4.38000011444092
346
Atlantic blue marlin
Makaira nigricans
4.38000011444092
70
Splendid alfonsino
Beryx splendens
4.36999988555908
172
Common dolphinfish
Coryphaena hippurus
4.34999990463257
108
Skipjack tuna
Katsuwonus pelamis
4.34000015258789
231
Yellowfin tuna
Thunnus albacares
4.34000015258789
200
Escolar
Lepidocybium flavobrunneum
4.30999994277954
136
Albacore
Thunnus alalunga
4.30999994277954
164
Cobia
Rachycentron canadum
4.28000020980835
248
Longbill spearfish
Tetrapturus pfluegeri
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
4.21333312988281
246
Snake mackerels
Gempylidae
4.19999980926514
90
Atlantic bonito
Sarda sarda
4.19999980926514
238
Silky shark
Carcharhinus falciformis
4.17999982833862
246
Conger and garden eels
Congridae
4.15000009536743
150
Cutlassfishes
Trichiuridae
4.13424253463745
32
Squids
Teuthida
4.13000011444092
93
Blackfin tuna
Thunnus atlanticus
4.11999988555908
60
Hickory shad
Alosa mediocris
4.07882404327393
525
Ground sharks
Carcharhiniformes
4.05230808258057
164
Jacks and pompanos
Carangidae
4.05000019073486
729
Sharks and rays
Elasmobranchii
4
300
Sharks rays and skates etc
Sharks or rays and chimaeras
4
110
Atlantic tripletail
Lobotes surinamensis
3.98000001907349
29
Northern shortfin squid
Illex illecebrosus
3.97000002861023
60
Alfonsinos
Beryx
3.91417288780212
80
Cods
Gadiformes
3.89000010490417
143
Eels and morays
Anguilliformes
3.89000010490417
60
Bigeye scad
Selar crumenophthalmus
3.80988097190857
27
Cephalopods
Cephalopoda
3.77125000953674
20
Lefteye flounders
Bothidae
3.72562503814697
111
Smooth-hounds
Mustelus
3.72000002861023
150
Cartilaginous fishes
Sharks rays and chimaeras
3.61374998092651
205
Skates and rays
Rajiformes
3.58999991416931
148
Rainbow runner
Elagatis bipinnulata
3.57450008392334
25
Flyingfishes
Exocoetidae
3.53143930435181
56
Perch-likes
Perciformes
3.50999999046326
31
Longfin squid
Loligo pealeii
3.36666703224182
15
Herring
Harengula
3.30999994277954
120
Serra Spanish mackerel
Scomberomorus brasiliensis
3.28999996185303
30
Tonguefishes
Cynoglossidae
3.25999999046326
60
Black driftfish
Hyperoglyphe bythites
3.24000000953674
25
Herrings
Clupeiformes
3.08999991416931
52
Chub mackerel
Scomber japonicus
2.65000009536743
13
Natantian decapods
Shrimps and prawns
2.36999988555908
50
Bobo mullet
Joturus pichardi
2
43
American gizzard shad
Dorosoma cepedianum
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:
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