day
night
+
X
o
•
o •
o •
o .
o e
75' 30' W
0.1-1
1-10
10-100
100-1000
>1000
73• 30'W
PACIFIC AREA
F D
01
10
L _ _ _ L__________ J
"
13
15
PAT AGONIA
71 ' 30' w
CENTRAL AREA
F o
0 1
10
11
13
15
·100
~
t
r
In.
w
o
t ·200
J:
I
r
In.
w
o
In.
w
o -300
.aoo
T
F
-~~--~~~~--0
10
10 2
10 3
10'
10'
Ind. 100 m· 3
Depth range of occurrence O - 900 m
Population core: 150 - 200 m
Temperature (T): 8.20 - 9.80 'C
Oxygen: 348.4 - 437.2 ~moi dm - 3
Chl fluorescence (F): 0.04 - 0.39
-'00
T
F
-500 L..L.--LJ..._ _ _ __u_____,_ _ _ ~_
o
10
10 2 10 3
10'
10 5
Ind. 100 m· 3
Depth range of occurrence O - 500 m
Population core: 150 - 200 m
Temperature (T) 6.70 - 9.01 ' C
Oxygen: 346.1- 407.3 ~moi dm 3
Chl fluorescence (F): 0.05 - 0.27
Euphausia vallentini 91
TIERRA DEL FUEGO
54' 45' s
69' 30'W
67' 30' w
ATLANTIC AREA
F o
01
10
L----~----'
11
13
15
T s
o r,----~~.---~
1
J
1
1
1 T lF
-50
·100 1' ---' ----' -
' ------'~--'
o
10
10 2
10 3
10'
10 5
Ind . 100 m · 3
Depth range of occurrence: O - 80 m
Population core: 60 - 80 m
Temperature (T) 8.68 - 9.02 'C
Oxygen: 390.4 - 410.9 ~moi dm 3
Chl fluorescence (F): 0.16 - 0.44
Fig. 4.1.3. Euphausia vallentini. Distribution in the Straits of Magellan in February-March 1991