10·
15°
25°
Seasonal Studies of a Pelagic Ecosystem (Meridian 110° E)
S£PT.
INORGANIC NITRATE:
100_
,,6.
NO'<,
0
JAN
0
CJ
.1 - 5
"""
101"",
MAY
0
• - 10
..... Y
Fig. 5. Inorganic nitrate distribution (100 m) with respect to latitude and month.
(After ROCHFORD, 1969)
491
Fig. 6. Primary productivity (light-saturated) with respect to latitude and month. Column values to
150 m. (After JITTS, 1969)
based on values obtained by the light-bath technique; these are fairly well correlated
with simulated in situ values (Fig. 11). There was a general trend towards higher values in
the tropics, particularly during the SE monsoon season. It was evident that primary
productivity, chlorophyll a, and seston (particulate carbon) each reached their seasonal
minimum during the period of the late summer thermocline.
15°
25°
Seasonal Studies of a Pelagic Ecosystem (Meridian 110° E)
S£PT.
INORGANIC NITRATE:
100_
,,6.
NO'<,
0
JAN
0
CJ
.1 - 5
"""
101"",
MAY
0
• - 10
..... Y
Fig. 5. Inorganic nitrate distribution (100 m) with respect to latitude and month.
(After ROCHFORD, 1969)
491
Fig. 6. Primary productivity (light-saturated) with respect to latitude and month. Column values to
150 m. (After JITTS, 1969)
based on values obtained by the light-bath technique; these are fairly well correlated
with simulated in situ values (Fig. 11). There was a general trend towards higher values in
the tropics, particularly during the SE monsoon season. It was evident that primary
productivity, chlorophyll a, and seston (particulate carbon) each reached their seasonal
minimum during the period of the late summer thermocline.