Seasonal Studies of a Pelagic Ecosystem (Meridian 110 0 E)
489
80 0
90 0
100 0
110 0
120 0
130 0
140 0
INORGANIC NITRATE
J tBII
-
100m
< I
1-5
5 - 10
>10
1}'9- at I-I)
Fig. 2. Inorganic nitrate (100 m) in the eastern Indian Ocean. (Based on WYRTKI, 1971)
Nitrate : phosphate ratio I by atoms)
o
'"
e.
to!
or---~~--~--------~--------~----.00
o
\,\btropical
'00
.00
'0
Fig. 3. Reduction in the nitrate: phosphate ratio of water, towards the surface
489
80 0
90 0
100 0
110 0
120 0
130 0
140 0
INORGANIC NITRATE
J tBII
-
100m
< I
1-5
5 - 10
>10
1}'9- at I-I)
Fig. 2. Inorganic nitrate (100 m) in the eastern Indian Ocean. (Based on WYRTKI, 1971)
Nitrate : phosphate ratio I by atoms)
o
'"
e.
to!
or---~~--~--------~--------~----.00
o
\,\btropical
'00
.00
'0
Fig. 3. Reduction in the nitrate: phosphate ratio of water, towards the surface