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    The contribution of Potamogeton crispus to the phosphorus budget of an urban shallow lake: Lake Monger, Western Australia

    Access Status
    Fulltext not available
    Authors
    Leoni, B.
    Marti, Clelia
    Forasacco, E.
    Mattavelli, M.
    Soler, V.
    Fumagalli, P.
    Imberger, J.
    Rezzonico, S.
    Garibaldi, L.
    Date
    2016
    Type
    Journal Article
    
    Metadata
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    Citation
    Leoni, B. and Marti, C. and Forasacco, E. and Mattavelli, M. and Soler, V. and Fumagalli, P. and Imberger, J. et al. 2016. The contribution of Potamogeton crispus to the phosphorus budget of an urban shallow lake: Lake Monger, Western Australia. Limnology. 17 (2): pp. 175-182.
    Source Title
    Limnology
    DOI
    10.1007/s10201-015-0465-4
    ISSN
    1439-8621
    School
    Sustainable Engineering Group
    URI
    http://hdl.handle.net/20.500.11937/65781
    Collection
    • Curtin Research Publications
    Abstract

    © 2015, The Japanese Society of Limnology. Lake Monger (Perth, Western Australia) is a highly eutrophic lake, characterised by very low species richness of macrophytes with the dominance of Potamogeton crispus. Mesocosm experiments were performed using water and plants collected from the lake to determine the effects of vegetation decay on the phosphorus (P) con centrations in the overlying waters. After 2 weeks of experimental incubation of mesocosms with and without re-oxygenation, P concentrations in the water column were significantly higher, showing a quite similar effect of P. crispus on the phosphorus release in different mesocosms. The results of our study provide clear evidence that the P concentrations in overlying waters mainly depend upon the plant P content and developmental stage. Although many sources contribute to the nutrient load of Lake Monger, macrophyte harvesting, prior to its senescence, might constitute a significant in-lake measure for reducing the internal P load.

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