268 Chapter 7 Chaetognaths
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day
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o
o
o
o
o
75' 30' W
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:X:
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UJ
Cl
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• 0.1-1
•
1-10
•
10-100
•
100-1000
e >1000
73' 30"W
PACIFIC AREA
F o
.01
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10
11
13
15
-100
-200
·300
~
-400
s
:X:
1·500
a..
UJ
Cl
-600
-700
-600
F
·900 o 10 10> 10' 10' 10'
Ind. 100 m · 3
Depth range of occurrence: O - 900 m
Population core: 400 - 500 m
Temperature (T): 8.20 - 9.80 oc
Oxygen: 348.4 - 437.2 IJrnol dm- 3
Chl fluorescence (F): 0.04 - 0.39
PAT AGONIA
71 ' 30' W
CENTRAL AREA
F o
.01
. 1
10
T s
11
13
15
o
s
:X:
1a..
UJ
Cl
T
F
·500 o
10
102 10'
10'
10 5
Ind. 100 m · 3
Depth range of occurrence: O - 500 m
Population core: 400 - 500 m
Temperature (T): 6.70 - 9.01 o c
Oxygen: 346.1 - 407.3 ~Jrnol dm- 3
Chl fluorescence (F): 0.05 - 0.27
o
52' 45' s
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TIERRA DEL FU EGO
54' 45' s
69' 30' W
67' 30'W
ATlANTIC AREA
F o
.01
. 1
10
11
13
15
·50
/, F
-100 o 10 10> •o' 10' 10'
Ind. 100 m · 3
Depth range of occurrence: O - 20 m
Population core: 10 - 20 m
Temperature (T): 8.68 - 9.02 o c
Oxygen: 390.4 - 410.9 ~Jrnol dm 3
Chl fluorescence (F): 0.16 - 0.44
Fig. 7.5.4. Eukrohnîa hamata. Distribution in the Straits of Magellan in February-March 1991