Studies on the productivity of the phytoplankton community of the Woronora estuary, New South Wales / by R.N. Crossett, M.S. Giles, J.D. Kerr.

By: Crossett, R. N.
Contributor(s): Giles, M. S | Kerr, J. D | Australian Atomic Energy Commission. Research Establishment.
Material type: materialTypeLabelBookSeries: AAEC/TM: 492Publisher: Lucas Heights, Sydney : Australian Atomic Energy Commission, Research Establishment, [1969]Description: 11, [11] pages : illustrations, map, tables ; 28 cm.Other title: Productivity of the phytoplankton community of the Woronora estuary, New South Wales.Subject(s): MARINE PHYTOPLANKTON | POPULATIONS | PRODUCTIVITY | MATHEMATICAL MODELS | ESTUARIES | NEW SOUTH WALES | AUSTRALIAHoldings: GRETA POINT: 581.526.325(944) CRO
Contents:
1. INTRODUCTION -- 2. DESCRIPTION OF COLLECTION AND MEASUREMENT -- 3.1 Carbon Assimilation -- 3.1.1 General -- 3.1.2 In situ measurement (productivity) -- 3.1.3 Light bath measurement (production capacity) -- 3.2 Dissolved Carbon Dioxide -- 3.3 Chlorophyll -- 3.4 Salinity -- 3.5 Diurnal Periodicity Measurement -- 4. CALCULATIONS -- 5. RESULTS -- 5.1 Production Capacity, Productivity and Chlorophyll ‘a’ Content -- 5.2 Diurnal Fluctuation -- 6. DISCUSSION -- 6.1 Mass of the Phytoplankton Community -- 6.2 Relation Between Productivity and Production Capacity -- 6.3 Dynamics of the Phytoplankton Community -- 6.5 Stratification of Production Capacity and Chlorophyll ‘a’ Concentration -- 7. REFERENCES -- APPENDIX: Design of Experiment and Analysis of Woronora River Chlorophyll and Production Data -- Table 1. Production Capacity, Productivity and Chlorophyll ‘a’ in the Woronora Estuary -- Table 2. Mass of Floating Ectocarpus Collected -- Table 3. Times of Maximum and Minimum Production Capacity and Chlorophyll Content Found by Various Authors -- Table 4. Production Capacity -- Table 5. Chlorophyll ‘a’ Content -- Table 6. Analysis of Variance of Woronora River Chlorophyll and Production Data -- Figure 1. Woronora River and Drainage System -- Figure 2. Diurnal Variation in Chlorophyll ‘a’ Content -- Figure 3. Diurnal Variation in Production Capacity.
Abstract: Both in situ and laboratory techniques have been used to measure the phytoplankton productivity in the Woronora estuary. During the period from July 1967 to August 1968 the productivity varied between 36 and 470 (μg carbon/l) / day. Chlorophyll ‘a’ concentration varied between 2.3 and 22.8 μg/l in the same period. Neither parameter showed any clear seasonal trend. Short term experiments detected a well defined periodicity in both productivity and chlorophyll ‘a’ concentration. Maxima occurred around midday and minima around midnight. The effect of the phytoplankton community on the mobility of radio-nuclides in the estuary is discussed.
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581.526.325(944) CRO 1 Available B021452

Cover title.

"January 1969."

At head of title: AAEC Australian Atomic Energy Commission, Research Establishment, Lucas Heights.

Includes bibliographical references (pages 9-11).

1. INTRODUCTION -- 2. DESCRIPTION OF COLLECTION AND MEASUREMENT -- 3.1 Carbon Assimilation -- 3.1.1 General -- 3.1.2 In situ measurement (productivity) -- 3.1.3 Light bath measurement (production capacity) -- 3.2 Dissolved Carbon Dioxide -- 3.3 Chlorophyll -- 3.4 Salinity -- 3.5 Diurnal Periodicity Measurement -- 4. CALCULATIONS -- 5. RESULTS -- 5.1 Production Capacity, Productivity and Chlorophyll ‘a’ Content -- 5.2 Diurnal Fluctuation -- 6. DISCUSSION -- 6.1 Mass of the Phytoplankton Community -- 6.2 Relation Between Productivity and Production Capacity -- 6.3 Dynamics of the Phytoplankton Community -- 6.5 Stratification of Production Capacity and Chlorophyll ‘a’ Concentration -- 7. REFERENCES -- APPENDIX: Design of Experiment and Analysis of Woronora River Chlorophyll and Production Data -- Table 1. Production Capacity, Productivity and Chlorophyll ‘a’ in the Woronora Estuary -- Table 2. Mass of Floating Ectocarpus Collected -- Table 3. Times of Maximum and Minimum Production Capacity and Chlorophyll Content Found by Various Authors -- Table 4. Production Capacity -- Table 5. Chlorophyll ‘a’ Content -- Table 6. Analysis of Variance of Woronora River Chlorophyll and Production Data -- Figure 1. Woronora River and Drainage System -- Figure 2. Diurnal Variation in Chlorophyll ‘a’ Content -- Figure 3. Diurnal Variation in Production Capacity.

Both in situ and laboratory techniques have been used to measure the phytoplankton productivity in the Woronora estuary. During the period from July 1967 to August 1968 the productivity varied between 36 and 470 (μg carbon/l) / day. Chlorophyll ‘a’ concentration varied between 2.3 and 22.8 μg/l in the same period. Neither parameter showed any clear seasonal trend. Short term experiments detected a well defined periodicity in both productivity and chlorophyll ‘a’ concentration. Maxima occurred around midday and minima around midnight. The effect of the phytoplankton community on the mobility of radio-nuclides in the estuary is discussed.

GRETA POINT: 581.526.325(944) CRO

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