HOME
ANALYSES AND VISUALIZATION
PUBLICATIONS
NEWS AND ABOUT
COLLABORATIONS
CONTACT US
Marine Trophic Index in the waters of Djibouti
High seas accessed
by Djibouti
:
n/a
This reflects the year that the
Sea Around Us
project set as the first year in which fishing vessels from this country engaged in fishing in High Seas waters (water beyond the boundaries of Exclusive Economic Zones). If you have knowledge and data that would support an earlier or later year to be specified, please advise us of this via
feedback
.
Other EEZs accessed
by Djibouti
:
n/a
This reflects the year that the
Sea Around Us
project set as the first year in which fishing vessels from this country engaged in fishing in the Exclusive Economic Zone waters of other countries (if observed access or formal access agreements existed). If you have knowledge and data that would support an earlier or later year to be specified, please advise us of this via
feedback
.
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
NaN
NaN
NaN
NaN
1951
NaN
NaN
NaN
NaN
1952
NaN
NaN
NaN
NaN
1953
NaN
NaN
NaN
NaN
1954
4.19
242.9
0
1
1955
4.24
244.7
1.91
6.75
1956
4.28
247.2
2.29
9.87
1957
4.31
259.3
1.48
4.39
1958
4.42
276.7
1.73
5.64
1959
4.33
266.3
1.71
5.53
1960
3.91
163.9
1.72
5.58
1961
4.01
168.1
2.01
7.46
1962
3.8
136.6
1.81
6.11
1963
3.62
115.4
1.3
3.67
1964
3.76
134.8
1.82
6.17
1965
3.59
152.8
2.36
10.59
1966
3.61
143.6
2.71
15.03
1967
3.6
136.3
2.55
12.81
1968
3.82
141.7
2.73
15.33
1969
3.74
144.9
2.47
11.82
1970
3.63
130.7
2.26
9.58
1971
3.75
142.3
2.92
18.54
1972
3.69
131.7
3
20.09
1973
3.52
112.8
2.71
15.03
1974
3.67
129.7
3.31
27.39
1975
3.62
127.1
2.84
17.12
1976
3.42
94.1
2.92
18.54
1977
3.56
95.1
4.05
57.4
1978
3.65
131.3
4.25
70.11
1979
2.6
40
-3.37
0.03
1980
2.6
40
-3.15
0.04
1981
2.6
40
-2.68
0.07
1982
2.6
40
-2.56
0.08
1983
3.86
146.4
3.95
51.94
1984
4.03
166.6
4.4
81.45
1985
3.97
162.5
4.2
66.69
1986
4
164.7
4.44
84.77
1987
3.97
167
4.14
62.8
1988
3.88
159.5
4.04
56.83
1989
3.93
147.4
4.23
68.72
1990
4
154.4
4.32
75.19
1991
3.99
166.9
3.97
52.98
1992
3.98
166.6
4.04
56.83
1993
4
168.8
4.2
66.69
1994
4
167.8
4.24
69.41
1995
3.99
166.6
4.32
75.19
1996
4
167
4.34
76.71
1997
4
166.2
4.24
69.41
1998
4.01
166.3
4.19
66.02
1999
4.03
168.3
4.18
65.37
2000
4.04
167.1
4.18
65.37
2001
4.03
164.8
4.09
59.74
2002
4.03
164.1
4.08
59.15
2003
4.04
165.9
4.12
61.56
2004
4.03
165.9
4.08
59.15
2005
4.01
164.2
3.99
54.05
2006
4
163.6
3.96
52.46
Show/Hide species list
Exclude
TL
SLMax(cm)
Common Name
Scientific Name
4.57999992370605
287
Striped marlin
Tetrapturus audax
4.5
279
Indo-Pacific sailfish
Istiophorus platypterus
4.5
205
Narrow-barred Spanish mackerel
Scomberomorus commerson
4.5
219
Bigeye tuna
Thunnus obesus
4.5
98
Bluefish
Pomatomus saltatrix
4.48999977111816
449
Swordfish
Xiphias gladius
4.47714281082153
367
Billfishes
Istiophoridae
4.46000003814697
367
Black marlin
Makaira indica
4.46000003814697
410
Indo-Pacific blue marlin
Makaira mazara
4.44999980926514
192
Largehead hairtail
Trichiurus lepturus
4.40333318710327
179
Barracudas
Sphyraena
4.40000009536743
227
Wahoo
Acanthocybium solandri
4.40000009536743
56
Greater lizardfish
Saurida tumbil
4.34999990463257
108
Skipjack tuna
Katsuwonus pelamis
4.34749984741211
205
Seerfishes
Scomberomorus
4.34000015258789
231
Yellowfin tuna
Thunnus albacares
4.30999994277954
136
Albacore
Thunnus alalunga
4.29699993133545
56
Lizardfishes
Synodontidae
4.2622218132019
150
Mackerels tunas and bonitos
Scombridae
4.24176502227783
207
Requiem sharks
Carcharhinidae
4.2350001335144
60
Frigate tuna
Auxis
4.13424253463745
32
Squids
Teuthida
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
3.99000000953674
180
Conger eels
Muraenesox
3.98279094696045
190
Sea basses or groupers and fairy basslets
Serranidae
3.96499991416931
100
Seabreams (Dentex spp)
Dentex
3.91417288780212
80
Cods
Gadiformes
3.84349989891052
190
Groupers
Epinephelus
3.8199999332428
170
Southern meagre
Argyrosomus hololepidotus
3.76205897331238
200
Drums or croakers
Sciaenidae
3.72000002861023
29
Threadfin breams
Nemipterus
3.6949999332428
66
Jack and horse mackerels
Trachurus
3.64000010490417
62
Black pomfret
Parastromateus niger
3.6175000667572
50
Butterfishes
Stromateidae
3.61374998092651
205
Skates and rays
Rajiformes
3.59999990463257
28
Cuttlefishes
Sepiidae
3.57999992370605
68
Octopuses
Octopoda
3.57180309295654
50
Flatfishes
Pleuronectiformes
3.53143930435181
56
Perch-likes
Perciformes
3.51166701316834
35
Threadfin breams and Whiptail breams
Nemipteridae
3.47857093811035
62
Sea catfishes
Ariidae
3.45749998092651
55
Goatfishes
Mullidae
3.44000005722046
70
Pandoras
Pagellus
3.35863590240479
80
Grunts
Haemulidae
3.30864906311035
164
Porgies
Sparidae
3.29999995231628
16
Lanternfishes
Myctophidae
3.28999996185303
30
Tonguefishes
Cynoglossidae
3.10333323478699
33
Indo-Pacific mackerels
Rastrelliger
3.08999991416931
52
Chub mackerel
Scomber japonicus
3
25
Crustaceans
Crustacea
2.76699995994568
21
Sardinella
Sardinella
2.65000009536743
13
Natantian decapods
Shrimps and prawns
2.59999990463257
30
Marine crabs
Brachyura
2.59999990463257
40
Tropical spiny lobsters
Panulirus
2.59999990463257
18
Knife shrimps
Haliporoides
2.52500009536743
120
Mullets
Mugilidae
FiB index inputs
Reference year:
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
Catch reconstruction:
Not yet available
Available but not yet incorporated
Partially available and incorporated
Available and incorporated
Feedback