Table
2.2. Rate of consumption of inorganic phosphate by total microplankton (Pat) and its consumption only by bacterioplankton (P ab) in
waters
of Heron I.
and Wistari ring reefs, GBR, during the mid ebb-tidal phase; Cp
- primary phytoplanton production;
Kp - P04-P contents
in water; T - its turnover time, days (original
data by author)
Place, time, temperature of
Biotope
Depth,
Kp
Cp
Pat
Pab
Pab/Pat
T,
water °C
m
Il
mol PI-I
mg Cm- 3
Ilg PI-I
Ilg PI-I
%
days
day-I
day-I
day-l
Heron 11,
August; to 21-22
0c. Deep part of lagoon
6.5
0.90
14.5
0.33
0.27
83
9.3
Edge of lagoon, patch reef
1.5
0.34
11.2
1.22
9.0
N-W corner
of lagoon
4.5
0.40
6.8
l.l8
0.80
68
11.0
Heron I., October; to 24- 25°C
Open sea 200 m off reef edge
18.0
0.18
13.7
3.44
2.33
68
1.7
Over reef crest
0.2
0.13
14.2
1.57
l.l7
74
2.5
Shallows near the island's shore
0.5
0.30
7.7
2.0
1.92
48
4.5
opposite tourist resort
Wistari atoll, lagoon; August
Deep part of lagoon
6.0
0.38
9.5
2.91
2.50
86
4.1
to 21-22 °C
Windward slope, patch reefs
2.0
0.22
4.2
1.02
0.88
87
7.0
Leeward shallows
0.7
0.18
12.4
1.06
0.84
79
5.7
Ul
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