I
£;
0.,
a
Photosynthetic Pigments and Primary Production
7
-
Pacific
AUantic
200
400
600
800
1000
1200 L-__ ~ ____ L-__ -L __ ~ ____ ~ __ -L __ ~ ____ ~ __ - L ____ L -__ ~
o
25
50
75
100
125
150
175
200
225
250
275
N. miles
Fig. 1.7. Dissolved oxygen in the Straits of Magellan during the austral summer 1991. (After Catalano and
Goffart 1991)
-
Pacific
Atlantic -
0
200
400
~~~~~~~ l ~~/
~ ~ -
I I I
.s
:S
600
c..
Q)
0
BOO
1000
12oo L---~--~----~--~--~----~--~--~----~--~--~=o
25
50
75
100
125
150 175
200
225
250
275
N. miles
Fig. 1.8. Nitrate plus nitrite in the Straits of Magellan during the austral summer 1991. (After Catalano and
Goffart 1991)