Form and functioning of micro size Australian intermittent closed open lake lagoons (ICOLLs) in NSW

William Maher, Katarina Mikac, Simon Foster, D Spooner, David Williams

    Research output: A Conference proceeding or a Chapter in BookChapter


    ICOLLs are considered to be one of the most ecologically productive ecosystems on earth. Similar to other coastal water bodies, ICOLLs lie at the interface of marine, freshwater and terrestrial systems and therefore represent highly dynamic transition zones between river/creek catchments and near-shore coastal waters. ICOLLs often act as net sinks of land derived sediments and nutrients; mature systems are believed to act as a source of organic material and nutrients to the adjacent sea. Suzuki et al., (1998) describes ICOLLs as having unique structural and functional characteristics as a consequence of their position in the landscape, thus having large spatial and temporal variability in their environmental and (consequently their dependant) biological variables. The focus for this chapter is micro size ICOLLs, classified as any coastal water body that has: (i) the presence of barrier beach, spit or series of barrier islands that can restrict oceanic exchange; (ii) a surface water area of less than 0.5 km2 (iii) the retention of all or the majority of the water mass within the lagoon during low tide in the adjacent sea; and (iv) the capacity of to remain brackish to fully saline either by percolation through and/or overtopping through inlet/outlet channels.
    Original languageEnglish
    Title of host publicationLagoons: Biology, Management and Environmental Impact
    EditorsAdam G Friedman
    Place of PublicationNew York, USA
    PublisherNova Publishers
    Number of pages33
    ISBN (Print)9781617617386
    Publication statusPublished - 2011


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