HOME
ANALYSES AND VISUALIZATION
PUBLICATIONS
NEWS AND ABOUT
COLLABORATIONS
CONTACT US
Marine Trophic Index in LME: Patagonian Shelf
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
3.15
51.4
0
1
1951
3.29
55.6
0.75
2.12
1952
3.37
58.7
1.01
2.75
1953
3.4
60.5
1.08
2.94
1954
3.42
58.8
1.17
3.22
1955
3.38
57.2
1.1
3
1956
3.34
55.9
0.94
2.56
1957
3.38
58
1.12
3.06
1958
3.4
58.6
1.14
3.13
1959
3.53
62.8
1.51
4.53
1960
3.49
62.9
1.57
4.81
1961
3.49
60.9
1.48
4.39
1962
3.56
63
1.69
5.42
1963
3.57
64.8
1.98
7.24
1964
3.58
64.4
2.27
9.68
1965
3.53
61.5
2.34
10.38
1966
3.55
60.1
2.76
15.8
1967
3.78
69.6
3.98
53.52
1968
3.51
63.9
2.74
15.49
1969
3.33
58.9
1.93
6.89
1970
3.48
58.9
2.23
9.3
1971
3.52
59.8
2.4
11.02
1972
3.52
58.9
2.47
11.82
1973
3.63
61.5
2.95
19.11
1974
3.68
63.7
3.03
20.7
1975
3.61
62.5
2.65
14.15
1976
3.75
66.8
3.22
25.03
1977
3.85
70.4
3.87
47.94
1978
3.88
67.6
4.27
71.52
1979
3.87
65.7
4.44
84.77
1980
3.85
70.1
4.18
65.37
1981
3.83
67.2
4.09
59.74
1982
3.85
63.3
4.5
90.02
1983
3.78
63.8
4.44
84.77
1984
3.76
57.6
4.11
60.95
1985
3.87
60.9
4.57
96.54
1986
3.81
59.4
4.58
97.51
1987
3.83
55.3
4.88
131.63
1988
3.82
56.4
4.98
145.47
1989
3.79
53.2
4.89
132.95
1990
3.82
59.4
4.75
115.58
1991
3.83
57.1
4.88
131.63
1992
3.79
54.6
4.83
125.21
1993
3.82
56.3
4.99
146.94
1994
3.79
57.7
4.87
130.32
1995
3.78
59.1
5
148.41
1996
3.8
57.4
5.14
170.72
1997
3.8
51.9
5.24
188.67
1998
3.79
55.3
5.07
159.17
1999
3.76
48.6
5.05
156.02
2000
3.7
47.8
4.77
117.92
2001
3.65
50.7
4.61
100.48
2002
3.69
55.8
4.61
100.48
2003
3.64
55.4
4.48
88.23
2004
3.71
65.8
4.54
93.69
2005
3.7
61.4
4.54
93.69
2006
3.63
51.8
4.67
106.7
Show/Hide species list
Exclude
TL
SLMax(cm)
Common Name
Scientific Name
4.5
219
Bigeye tuna
Thunnus obesus
4.5
98
Bluefish
Pomatomus saltatrix
4.5
262
Sand tiger shark
Carcharias taurus
4.5
284
Smooth hammerhead
Sphyrna zygaena
4.5
49
Blackfin goosefish
Lophius gastrophysus
4.48999977111816
449
Swordfish
Xiphias gladius
4.48000001907349
246
Atlantic white marlin
Tetrapturus albidus
4.44999980926514
155
Southern hake
Merluccius australis
4.44999980926514
192
Largehead hairtail
Trichiurus lepturus
4.42999982833862
376
Atlantic bluefin tuna
Thunnus thynnus
4.40000009536743
100
Little tunny
Euthynnus alletteratus
4.38500022888184
164
Amberjacks
Seriola
4.38000011444092
346
Atlantic blue marlin
Makaira nigricans
4.36999988555908
172
Common dolphinfish
Coryphaena hippurus
4.34999990463257
108
Skipjack tuna
Katsuwonus pelamis
4.34000015258789
231
Yellowfin tuna
Thunnus albacares
4.34000015258789
131
Pink cusk-eel
Genypterus blacodes
4.34000015258789
200
Escolar
Lepidocybium flavobrunneum
4.30999994277954
136
Albacore
Thunnus alalunga
4.30000019073486
130
Piked dogfish
Squalus acanthias
4.28000020980835
392
Shortfin mako
Isurus oxyrinchus
4.2662501335144
125
Hakes
Merluccius
4.2622218132019
150
Mackerels tunas and bonitos
Scombridae
4.24176502227783
207
Requiem sharks
Carcharhinidae
4.23999977111816
519
Sawfishes
Pristidae
4.23999977111816
289
Blue shark
Prionace glauca
4.23199987411499
90
Dogfish sharks
Squalidae
4.21999979019165
200
Opah
Lampris guttatus
4.21333312988281
246
Snake mackerels
Gempylidae
4.21000003814697
277
Porbeagle
Lamna nasus
4.21000003814697
623
Thintail thresher
Alopias vulpinus
4.21000003814697
135
Tope shark
Galeorhinus galeus
4.20888900756836
90
Weakfishes
Cynoscion
4.20333337783813
140
Cusk eels
Genypterus
4.19999980926514
90
Atlantic bonito
Sarda sarda
4.18599987030029
421
Hammerhead and bonnethead and scoophead shark
Sphyrnidae
4.15000009536743
150
Cutlassfishes
Trichiuridae
4.1399998664856
80
American flounders
Paralichthys
4.13424253463745
32
Squids
Teuthida
4.1100001335144
150
Argentine angelshark
Squatina argentina
4.07999992370605
78
Argentine hake
Merluccius hubbsi
4.07000017166138
164
Yellowtail amberjack
Seriola lalandi
4.05230808258057
164
Jacks and pompanos
Carangidae
4.01000022888184
49
Sea bass
Acanthistius brasilianus
4.01000022888184
37
King weakfish
Macrodon ancylodon
4
300
Sharks rays and skates etc
Sharks or rays and chimaeras
4
25
American harvestfish
Peprilus paru
3.99000000953674
25
Common squids
Loligo
3.99000000953674
33
Rough scad
Trachurus lathami
3.98279094696045
190
Sea basses or groupers and fairy basslets
Serranidae
3.98000001907349
82
Argentine conger
Conger orbignianus
3.98000001907349
90
Patagonian grenadier
Macruronus magellanicus
3.96666693687439
25
Sea robins
Prionotus
3.96000003814697
176
Patagonian toothfish
Dissostichus eleginoides
3.91666698455811
43
Scorpionfishes or rockfishes
Scorpaenidae
3.91417288780212
80
Cods
Gadiformes
3.90000009536743
49
South American striped weakfish
Cynoscion striatus
3.89000010490417
143
Eels and morays
Anguilliformes
3.89000010490417
139
Black drum
Pogonias cromis
3.88000011444092
82
Argentinian sandperch
Pseudopercis semifasciata
3.86999988555908
228
Southern bluefin tuna
Thunnus maccoyii
3.86666703224182
72
Codlings
Moridae
3.85999989509583
40
White snake mackerel
Thyrsitops lepidopoides
3.85999989509583
19
Patagonian rockcod
Patagonotothen brevicauda brevicauda
3.84349989891052
190
Groupers
Epinephelus
3.82999992370605
172
Wreckfish
Polyprion americanus
3.81625008583069
205
Skates
Rajidae
3.79999995231628
23
Argentine shortfin squid
Illex argentinus
3.78999996185303
33
Brazilian codling
Urophycis brasiliensis
3.78999996185303
74
Southern blue whiting
Micromesistius australis
3.78333306312561
28
Harvestfishes
Peprilus
3.76205897331238
200
Drums or croakers
Sciaenidae
3.74000000953674
200
Snoek
Thyrsites atun
3.72562503814697
111
Smooth-hounds
Mustelus
3.70000004768372
12
Dana's swimming crab
Callinectes danae
3.67000007629395
102
Red grouper
Epinephelus morio
3.66666698455811
41
Kingcroakers
Menticirrhus
3.65000009536743
115
Medusafishes
Centrolophidae
3.65000009536743
75
Common seabream
Pagrus pagrus
3.61374998092651
205
Skates and rays
Rajiformes
3.60999989509583
82
Chola guitarfish
Rhinobatos percellens
3.58999991416931
59
Narrownose smooth-hound
Mustelus schmitti
3.58333325386047
82
Grenadiers
Macrourus
3.57999992370605
68
Octopuses
Octopoda
3.57999992370605
75
Blue antimora
Antimora rostrata
3.57180309295654
50
Flatfishes
Pleuronectiformes
3.5699999332428
36
Ramsay's icefish
Patagonotothen ramsayi
3.53143930435181
56
Perch-likes
Perciformes
3.50999999046326
90
Barrelfishes
Seriolella
3.49000000953674
57
Inca scad
Trachurus murphyi
3.48000001907349
44
Brazilian flathead
Percophis brasiliensis
3.47857093811035
62
Sea catfishes
Ariidae
3.46000003814697
37
Argentine goatfish
Mullus argentinae
3.45749998092651
55
Goatfishes
Mullidae
3.41000008583069
75
Choicy ruff
Seriolella porosa
3.40000009536743
46
Parona leatherjacket
Parona signata
3.40000009536743
18
Falkland sprat
Sprattus fuegensis
3.36500000953674
80
Chimaeras
Chimaeriformes
3.35500001907349
200
Eagle and manta rays
Myliobatidae
3.32999992370605
41
Tadpole codling
Salilota australis
3.30864906311035
164
Porgies
Sparidae
3.28500008583069
26
Antarctic rockcods
Trematomus
3.25142908096313
21
Anchovies
Engraulidae
3.24000000953674
25
Herrings
Clupeiformes
3.20250010490417
12
Silversides
Atherinidae
3.20000004768372
24
Patagonian squid
Loligo gahi
3.20000004768372
40
Sevenstar flying squid
Martialia hyadesi
3.19000005722046
80
Bigeye grenadier
Macrourus holotrachys
3.1800000667572
40
White morwong
Nemadactylus bergi
3.16000008583069
30
Argentine croaker
Umbrina canosai
3.15000009536743
45
Humped rockcod
Gobionotothen gibberifrons
3.14000010490417
40
Spiny lobsters
Palinuridae
3.13000011444092
25
South American silver porgy
Diplodus argenteus argenteus
3.09999990463257
8
Squat lobsters
Galatheidae
3.08999991416931
52
Chub mackerel
Scomber japonicus
3.08999991416931
45
Grey rockcod
Lepidonotothen squamifrons
3.06162858009338
11
Gastropods
Gastropoda
3
25
Crustaceans
Crustacea
3
40
Patagonian blennie
Eleginops maclovinus
2.91000008583069
25
Brazilian sardinella
Sardinella janeiro
2.8199999332428
15
King crabs
Lithodidae
2.76699995994568
21
Sardinella
Sardinella
2.75
26
Brazilian menhaden
Brevoortia aurea
2.70000004768372
34
Penaeus shrimps
Penaeus
2.70000004768372
15
Argentine stiletto shrimp
Artemesia longinaris
2.70000004768372
14
Atlantic seabob
Xiphopenaeus kroyeri
2.70000004768372
24
Redspotted shrimp
Farfantepenaeus brasiliensis
2.70000004768372
24
Sao Paulo shrimp
Farfantepenaeus paulensis
2.6800000667572
30
Argentine menhaden
Brevoortia pectinata
2.65000009536743
13
Natantian decapods
Shrimps and prawns
2.63000011444092
49
Whitemouth croaker
Micropogonias furnieri
2.59999990463257
30
Marine crabs
Brachyura
2.59999990463257
17
Red deepsea crab
Chaceon quinquedens
2.52500009536743
120
Mullets
Mugilidae
2.5
14
Southern king crab
Lithodes antarcticus
2.48000001907349
17
Argentine anchoita
Engraulis anchoita
2.29999995231628
12
Paralomis
Paralomis
2.26999998092651
15
Clams cockles and arkshells
Clams or cockles and arkshells
2.20000004768372
19
Argentine red shrimp
Pleoticus muelleri
2.02999997138977
23
Mussels
Mytilus
2
46
Sea cucumbers
Holothuroidea
2
10
Sea mussels
Mytilidae
2
10
Cockles
Cardiidae
2
10
Mactra surf clams
Mactridae
2
25
Cupped oysters
Crassostrea
2
4
Donax clams
Donax
2
6
Taquilla clams
Mulinia
2
6
Cholga mussel
Aulacomya ater
2
9
River Plata mussel
Mytilus platensis
2
3
Angulate volute
Zidona dufresnei
2
10
Patagonean scallop
Zygochlamys patagonica
2
25
Helmet ton
Tonna galea
2
10
Rostrate pitar
Pitar rostratus
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