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Microphytobenthos contribution to nutrient-phytoplankton dynamics in a shallow coastal lagoon

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Abstract

Nutrient fluxes and primary production were examined in Lake Illawarra (New South Wales, Australia), a shallow (Zmean=1.9 m) coastal lagoon with a surface area of 35 km2, by intensive measurement of dissolved nutrients and oxygen profiles over a 22-h period. Rates of primary production and nutrient uptake were calculated for the microphytobenthos, seagrass beds, macroalgae, and pelagic phytoplankton. Although gross nutrient release rates to the water column and sediment pore waters were potentially high, primary production by microphytobenthos rapidly sequesters the re-mineralized nutrients so that net releases, averaged over times longer than a day, were low. Production in the water column was closely coupled with the relatively low sediment net nutrient release rates and detrital decomposition in the water column. Dissolved inorganic nitrogen and silica concentrations in the water column are drawn down at the beginning of the day. The system did not appear to be light limited so photosynthesis occurs as fast as the nutrients become available to the phytoplankton and microphytobenthos. We conjecture that microphytobenthos are the dominant primary producers and, as has been shown previously, that the nutrient uptake occurs in phase with the various stages of the diatom growth.

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Literature Cited

  • APHA. 1989. Standard Methods, 10200H Chlorophyll; 4500— Ammonium-Phenate, 18th. edition. American Public Health Association, Washington, D.C.

    Google Scholar 

  • Asher, W. E. andR. Wanninkhof. 1995. Enhanced transport of carbon dioxide during gas exchange, p. 517–528.In B. Jahne and E. C. Monahan (eds.), Selected Papers from the Third Symposium on Air-Water Gas Transfer. Heidelberg University, Heidelberg, Germany.

    Google Scholar 

  • Atkinson, M. J. andS. V. Smith. 1983. C∶N∶P ratios of benthic marine plants.Limnology and Oceanography 28:568–574.

    CAS  Google Scholar 

  • Barranguet, C., M. R. Plante-Cuny, andE. Alivon 1996. Microphytobenthos production in the Gulf of Fos, French Mediterranean coast.Hydrobiologia 333:181–193.

    Article  CAS  Google Scholar 

  • Beardall, J. andB. Light. 1994. Biomass, productivity and nutrient requirements of microphytobenthos, Technical Report 16. Port Phillip Bay Environmental Study, Commonwealth Scientific and Industrial Research Organisation. Canberra, Australia.

    Google Scholar 

  • Beardall, J., S. Roberts, andR. Royle. 1996. Phytoplankton in Port Phillip Bay: Spatial and seasonal trends in biomass and primary productivity, Technical Report 35, Port Phillip Bay Environmental Study, Commonwealth Scientific and Industrial Research Organisation, Canberra, Australia.

    Google Scholar 

  • Blackburn, T. H. andK. Henriksen. 1983. Nitrogen cycling in different types of sediments from Danish waters.Limnology and Oceanography 28:477–493.

    CAS  Google Scholar 

  • Boudreau, B. P. 1996. The diffusive tortuosity of fine-grained unlithified sediments.Geochimica et Cosmochimica Acta 60: 3139–3142.

    Article  CAS  Google Scholar 

  • Cahoon, L. B. 1999. The role of benthic microalgae in neritic ecosystems.Oceanography and Marine Biology 37:47–86.

    Google Scholar 

  • Chisholm, S. W. 1981. Temporal patterns of cell division in unicellular algae, p. 150–181.In T. Platt (ed.), Physiological Bases of Plankton Ecology. Department of Fisheries and Oceans, Ottawa, Canada.

    Google Scholar 

  • Christensen, J. P., W. M. Smethie, andA. H. Devol. 1987. Benthic nutrient regeneration and denitrification on the Washington continental shelf.Deep-Sea Research 34:1027–1047.

    Article  CAS  Google Scholar 

  • Crank, J. 1975. The Mathematics of Diffusion. Clarendon Press, oxford, U. K.

    Google Scholar 

  • de Jonge, V. N. andF. Colijn. 1994. Dynamics of microphytobenthos in the Ems estuary measured as chlorophyll-a and carbon.Marine Ecology Progress Series 104:185–196.

    Article  Google Scholar 

  • Duarte, C. M. 1992. Nutrient concentration of aquatic plants; Patterns across species.Limnology and Oceanography 37:883–889.

    Google Scholar 

  • Ellis, J., S. Kanamori, andP. G. Laird. 1977. Water pollution studies on Lake Illawarra. I. Salinity variations and estimation of residence time.Australian Journal of Marine and Freshwater Research 28:467–477.

    Article  Google Scholar 

  • Flynn, K. J. andV. Martin-Jézéquel. 2000. Modelling Si−N limited growth of diatoms.Journal of Plankton Research 22:447–472.

    Article  CAS  Google Scholar 

  • Fong, P., K. E. Boyer, andJ. B. Zedler. 1998. Developing an indicator of nutrient enrichment in coastal estuaries using tissue nitrogen content of the opportunistic alga,Enteromorpha intestinalis (L. Link).Journal of Experimental Marine Biology and Ecology 231:63–79.

    Article  Google Scholar 

  • Harris, G. P. 1986. Phytoplankton Ecology: Structure, Function and Fluctuation. Chapman and Hall, London, U.K.

    Google Scholar 

  • Harris, M. M., R. J. King andJ. Ellis. 1979. The eelgrassZostera capricorni in Illawarra Lake, New South Wales.Proceedings of the Linnean Society of New South Wales 1980:23–33.

    Google Scholar 

  • Holmes, W. R. 1970. The Secchi disk in turbid coastal waters.Limnology and Oceanography 15:688–694.

    Google Scholar 

  • Jassby, A. D. andT. Platt. 1976. Mathematical formulation of the relationship between photosynthesis and light for phytoplankton.Limnology and Oceanography 21:540–547.

    Article  CAS  Google Scholar 

  • Kemp, W. M. andW. R. Boynton. 1984. Spatial and temporal coupling of nutrient inputs to estuarine primary production: The role of particulate transport and decomposition.Bulletin of Marine Science 35:522–535.

    Google Scholar 

  • King, R. J. 1997. Aquatic Plant, Macroalgal, and Phytoplankton Populations in Lake Illawarra, November 1996–April 1997. University of New South Wales. Australia.

    Google Scholar 

  • Kirk, J. T. O. 1983. Light and Photosynthesis in Aquatic Ecosystems. Cambridge, University Press, Cambridge, U.K.

    Google Scholar 

  • Kromkamp, J., J. Peene, P. van Rijswijk, A. Sandee, andN. Goosen. 1995. Nutrients, light and primary production by phytoplankton and microphytobenthos in eutrophic, turbid Westerschelde estuary (The Netherlands).Hydrobiologia 311:9–19.

    Article  Google Scholar 

  • Lake Illawarra Authority. 1994. Lake Illawarra Entrance Improvements—Environmental Impact Statement ERM Mitchell McCotter & Associates Pty Ltd. Lake Illawarra Authority, Wollongong, Australia.

    Google Scholar 

  • Li, Y.-H. andS. Gregory. 1974. Diffusion of ions in sea water and in deep-sea sediments.Geochimica et Cosmochimica Acta 38:704–714.

    Google Scholar 

  • Lorenzen, J., L. H. Larsen, T. Kjaer, andN.-P. Revsbech. 1998. Biosensor determination of the microscale distribution of nitrate, nitrate assimilation, nitrification and denitrification in a diatom-inhabited sediment.Applied and Environmental Microbiology 64:3264–3269.

    CAS  Google Scholar 

  • Martin-Jézéquel, V., M. Hilderbrand, andM. A. Brzezniski. 2000. Silicon metabolism in diatoms: Implications for growth.Journal of Phycology 36:821–840.

    Article  Google Scholar 

  • Murphy, J. andJ. P. Riley. 1962. A modified single solution method for the determination of phosphate in natural watersAnalytica Chimica Acta 27:31–36.

    Article  CAS  Google Scholar 

  • Murray, A. andJ. Parslow. 1997. Port Phillip Bay integrated model: Final report. Technical Report 44. Port Phillip Bay Environmental Study, Commonwealth Scientific and Industrial Research Organisation, Canberra, Australia.

    Google Scholar 

  • Parsons, T. R., Y. Maita, andC. M. Lalli. 1984. A Manual of Chemical and Biological Methods for Seawater Analysis. Pergamon Press, Oxford, U.K.

    Google Scholar 

  • Payne, M., B. E. Chenhall, M. Murrie, andB. G. Jones. 1997. Spatial variation of sediment-bound zinc, lead, copper and rubidium in Lake Illawarra, a coastal lagoon in eastern Australia.Journal of Coastal Research 13:1181–1191.

    Google Scholar 

  • Poole, H. H. andW. R. G. Atkins. 1929. Photoelectric measurement of submarine illumination throughout the year.Journal of the Marine Biological Association United Kingdom 16: 297–324.

    Google Scholar 

  • Royle, R. 1985. Lake Illawarra phytoplankton: Ecology and effect of Tallawarra Power Station on biomass and carbon fixation. B.Sc. (Honours) Marine Science, University of New South Wales, Australia.

    Google Scholar 

  • Ryther, J. H. andC. S. Yentsch. 1957. The estimation of phytoplankton production in the ocean from chlorophyll and light data.Limnology and Oceanography 2:281–225.

    Google Scholar 

  • Shaffer, G. P. andC. P. Onuf. 1985. Reducing the error in estimating annual production of benthic microflora: Hourly to monthly rates patchiness in space and time.Marine Ecology Progress Series 26:221–231.

    Article  Google Scholar 

  • Schurr, J. M. andJ. Ruchti. 1977. Dynamics of O2 and CO2 exchange, photosynthesis and respiration in rivers from time-delayed correlations with ideal sunlight.Limnology and Oceanography 29:73–83.

    Google Scholar 

  • Sigmon, D. E. andL. B. Cahoon. 1997. Comparative effects of benthic microalgae and phytoplankton on dissolved silica fluxes.Aquatic Microbial Ecology 13:275–284.

    Article  Google Scholar 

  • Spencer, J. W. 1978. Canberra solar tables. Division of Building Research Technical Paper (second series) No. 22, Commonwealth Scientific and Industrial Research Organisation, Melbourne, Australia.

    Google Scholar 

  • Underwood, G. J. C. andJ. Kromkamp. 1999. Primary production by phytoplankton and microphytobentos in estuaries.Advances in Ecological Research 23:153–171.

    Google Scholar 

  • Wood, E. D., F. A. J. Armstrong, andF. A. Richards. 1967. Determination of nitrate in sea water by the cadmium-copper reduction to nitrite.Journal of the Marine Biological Association United Kingdom 47:23–31.

    CAS  Google Scholar 

  • Yassini, I. 1986. Algal growth and control in lake Illawarra. Lake Illawarra Authority, Wollongong, Australia.

    Google Scholar 

  • Yassini, I. andA. M. Depers. 1995. Lake Illawarra and its catchment area, p. 5–21.In A. M. Depers and I. Yassini (eds.). Recent Sediments in Lake Illawarra: Implications or Management. Illawarra Catchment Management Committee, Wollongong, Australia.

    Google Scholar 

Sources of Unpublished Materials

  • Kirkman, H. personal communication. United Nations Environment Program, UN Building 10th floor, Rajdamnern Avenue, Bangkok 10200, Thailand.

  • New South Wales Department of Public Works. unpublished data. Manly Hydraulics Laboratory, 110b King Street, Manly Vale, NSW 2093, Australia.

  • Wilson, J. personal communication. Department of Land and Water Conservation, P. O. Box 2185, Dangar, NSW 2309, Australia.

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Authors and Affiliations

  1. CSIRO Land and Water, GPO Box 1666, 2601, Canberra, ACT, Australia

    Ian T. Webster & Phillip W. Ford

  2. Centre for Marine and Coastal Studies, University of New South Wales, and Pacific Power, GPO Box 5257, 2001, Sydney, NSW, Australia

    Bruce Hodgson

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  1. Ian T. Webster
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  2. Phillip W. Ford
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  3. Bruce Hodgson
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Correspondence to Ian T. Webster.

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Webster, I.T., Ford, P.W. & Hodgson, B. Microphytobenthos contribution to nutrient-phytoplankton dynamics in a shallow coastal lagoon. Estuaries 25, 540–551 (2002). https://doi.org/10.1007/BF02804889

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