Adv. mar. Biol., Vol. I), 1971, pp. 101-204
PLANKTON AS A FACTOR IN THE NITROGEN
AND PHOSPHORUS CYCLES IN THE SEA
E. D. S. CORNER and ANTHONY G. DAVIES
Marine Biological Association of the United Kingdmn,
The Laboratory, Citadel Hill,
Plymouth, England
I. Introduction
. . .. .. .. .. .. .. .. ..
The Chemical Forms of Nitrogen and Phosphorus Dissolved in Sea Wator
A.
Inorganic Nitrogen . . .. .. .. .. .. ..
B.
Physico-chemical Roactions
.. .. .. .. ..
C.
Organic Nitrogen
.. . . .. .. .. .. ..
D.
Inorganic Phosphorus
. . .. .. .. .. ..
E. Organic Phosphorus
.. .. .. .. .. ..
The Stoichiomctry of Biologically Induced Changes in Nutrient Levels . .
A.
The " Assimilation Ratio ", AN :AP
. . .. .. ..
B.
Apparent Oxygen Utilization
. . .. .. .. ..
IV. Uptake of Nitrogen Compounds by Phytoplankton. . .. .. ..
A.
Inorganic Forms of Nitrogen
. . .. .. .. * .
B.
The Effect of Light . . .. .. .. .. . . ..
C.
The Hyperbolic Relationship
. . .. .. .. ..
V. Uptake of Phosphorus Compounds by Phytoplankton
. . .. ..
A.
Inorganic Forms of Phosphorus
. . .. .. .. ..
B.
Organic Forms of Phosphorus
. . .. .. .. ..
VII. Nitrogen and Phosphorus Levels in Phytoplankton
.. .. ..
11.
111.
VI. The Effect of Nutrient Levols on Phytoplankton Growth Kinetics
. .
Release of Organic Forms of Nitrogen and Phosphorus by PhytoA.
plankton ,. .. .. .. .. .. ..
A.
Living Diets . . .. .. .. .. .. ..
C.
Dissolved Organic Matorial
.. .. .. ..
D.
Laboratory Studies on Assimilation
. . .. ..
E.
Superfluous Feeding . . .. .. .. .. ..
IX. Levels of Nitrogen and Phosphorus in Zooplankton
. . ..
X. Nitrogcn and Phosphorus Excretion by Zooplankton
. . ..
A.
Nitrogcn Excretion . . .. .. .. .. ..
B.
Phosphorus Excretion
. . . . .. .. ..
D.
Nutrient Regeneration
. . .. .. .. ..
VIII. The Assimilation of Nitrogen and Phosphorus by Zooplankton . .
B. Detritus
. . .. .. .. .. .. ..
C.
Seasonal Surveys of Nitrogen and Phosphorus Excretion
XI. Growth of Zooplankton in Terms of Nitrogen and Phosphorus . .
A.
RateofGrowth
.. .. .. .. .. ..
B. Egg Production
... ... ... ... ... ...
C.
Net and Gross Growth Efficiencies
..
.. ..
101
..
102
102
103
104
104
105
105
106
106
109
113
113
116
117
121
121
121
122
126
127
.. 128
.. 129
.. 130
.. 130
.. 132
.. 136
.. 140
.. 145
.. 145
.. 152
.. 156
.. 160
.. 162
.. 162
... 165
.. 165
PLANKTON AS A FACTOR IN THE NITROGEN
AND PHOSPHORUS CYCLES IN THE SEA
E. D. S. CORNER and ANTHONY G. DAVIES
Marine Biological Association of the United Kingdmn,
The Laboratory, Citadel Hill,
Plymouth, England
I. Introduction
. . .. .. .. .. .. .. .. ..
The Chemical Forms of Nitrogen and Phosphorus Dissolved in Sea Wator
A.
Inorganic Nitrogen . . .. .. .. .. .. ..
B.
Physico-chemical Roactions
.. .. .. .. ..
C.
Organic Nitrogen
.. . . .. .. .. .. ..
D.
Inorganic Phosphorus
. . .. .. .. .. ..
E. Organic Phosphorus
.. .. .. .. .. ..
The Stoichiomctry of Biologically Induced Changes in Nutrient Levels . .
A.
The " Assimilation Ratio ", AN :AP
. . .. .. ..
B.
Apparent Oxygen Utilization
. . .. .. .. ..
IV. Uptake of Nitrogen Compounds by Phytoplankton. . .. .. ..
A.
Inorganic Forms of Nitrogen
. . .. .. .. * .
B.
The Effect of Light . . .. .. .. .. . . ..
C.
The Hyperbolic Relationship
. . .. .. .. ..
V. Uptake of Phosphorus Compounds by Phytoplankton
. . .. ..
A.
Inorganic Forms of Phosphorus
. . .. .. .. ..
B.
Organic Forms of Phosphorus
. . .. .. .. ..
VII. Nitrogen and Phosphorus Levels in Phytoplankton
.. .. ..
11.
111.
VI. The Effect of Nutrient Levols on Phytoplankton Growth Kinetics
. .
Release of Organic Forms of Nitrogen and Phosphorus by PhytoA.
plankton ,. .. .. .. .. .. ..
A.
Living Diets . . .. .. .. .. .. ..
C.
Dissolved Organic Matorial
.. .. .. ..
D.
Laboratory Studies on Assimilation
. . .. ..
E.
Superfluous Feeding . . .. .. .. .. ..
IX. Levels of Nitrogen and Phosphorus in Zooplankton
. . ..
X. Nitrogcn and Phosphorus Excretion by Zooplankton
. . ..
A.
Nitrogcn Excretion . . .. .. .. .. ..
B.
Phosphorus Excretion
. . . . .. .. ..
D.
Nutrient Regeneration
. . .. .. .. ..
VIII. The Assimilation of Nitrogen and Phosphorus by Zooplankton . .
B. Detritus
. . .. .. .. .. .. ..
C.
Seasonal Surveys of Nitrogen and Phosphorus Excretion
XI. Growth of Zooplankton in Terms of Nitrogen and Phosphorus . .
A.
RateofGrowth
.. .. .. .. .. ..
B. Egg Production
... ... ... ... ... ...
C.
Net and Gross Growth Efficiencies
..
.. ..
101
..
102
102
103
104
104
105
105
106
106
109
113
113
116
117
121
121
121
122
126
127
.. 128
.. 129
.. 130
.. 130
.. 132
.. 136
.. 140
.. 145
.. 145
.. 152
.. 156
.. 160
.. 162
.. 162
... 165
.. 165