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Marine Trophic Index in High seas - Arctic Sea
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
2.92
102.3
0
1
1951
2.84
98.8
0.51
1.67
1952
3.86
120.7
2.86
17.46
1953
2.96
82.5
1.48
4.39
1954
3.35
84.9
2.78
16.12
1955
3.47
86
3.21
24.78
1956
3.49
86.9
3.26
26.05
1957
3.07
76.7
2.42
11.25
1958
3.09
77.5
2.47
11.82
1959
3.11
78.2
2.52
12.43
1960
3.3
79.1
2.82
16.78
1961
3.33
80.1
2.89
17.99
1962
3.35
81
2.94
18.92
1963
3.39
82.5
3.03
20.7
1964
3.39
82.7
3.03
20.7
1965
3.41
83.6
3.07
21.54
1966
3.43
84.5
3.12
22.65
1967
3.45
85.2
3.17
23.81
1968
3.48
86.4
3.24
25.53
1969
3.49
87.1
3.26
26.05
1970
3.08
77
2.45
11.59
1971
3.1
78.1
2.49
12.06
1972
3.13
79.3
2.56
12.94
1973
3.13
79.5
2.56
12.94
1974
3.13
79.3
2.56
12.94
1975
3.13
79.1
2.56
12.94
1976
3.13
79.1
2.56
12.94
1977
3.14
79.7
2.59
13.33
1978
3.14
79.5
2.59
13.33
1979
3.13
79.3
2.56
12.94
1980
3.14
79.3
2.59
13.33
1981
3.16
82.9
2.63
13.87
1982
3.14
77.9
2.59
13.33
1983
3.16
78.6
2.63
13.87
1984
3.44
84.5
3.28
26.58
1985
3.22
76.2
2.89
17.99
1986
3.3
77
3.36
28.79
1987
3.14
68.8
2.9
18.17
1988
3.32
71.8
3.32
27.66
1989
3.25
68.2
3.32
27.66
1990
3.17
64.4
3.14
23.1
1991
3.33
69.8
3.43
30.88
1992
3.34
70
3.45
31.5
1993
3.35
70
3.48
32.46
1994
3.27
72.5
3.37
29.08
1995
3.34
69.8
3.45
31.5
1996
3.34
69.8
3.45
31.5
1997
3.34
69.8
3.45
31.5
1998
3.35
70
3.48
32.46
1999
3.34
69.7
3.45
31.5
2000
3.34
69.7
3.45
31.5
2001
3.34
69.7
3.45
31.5
2002
3.34
69.7
3.45
31.5
2003
3.34
69.7
3.45
31.5
2004
3.27
72.5
3.37
29.08
2005
3.34
69.7
3.45
31.5
2006
3.34
69.7
3.45
31.5
Show/Hide species list
Exclude
TL
SLMax(cm)
Common Name
Scientific Name
4.19000005722046
62
Pink salmon
Oncorhynchus gorbuscha
3.95000004768372
121
Pacific salmon
Oncorhynchus
3.78999996185303
44
Bering cisco
Coregonus laurettae
3.73000001907349
76
Sockeye salmon
Oncorhynchus nerka
3.46499991416931
32
Smelts
Osmeridae
3.29999995231628
140
Salmonids
Salmonidae
3.24000000953674
39
Sardine cisco
Coregonus sardinella
3.15000009536743
31
Pacific herring
Clupea pallasii pallasii
3.09999990463257
33
Polar cod
Boreogadus saida
2.8199999332428
14
King crabs
Paralithodes
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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