Species diversity and distribution of aquatic microfauna for wetland condition assessment

Tsuyoshi Kobayashi, Jan Miller, Timothy J. Ralph, Russell J. Shiel, Hendrik Segers

    Research output: Chapter in Book/Report/Conference proceedingConference abstract


    Information on species diversity and distribution of aquatic microfauna such as Rotifera, Cladocera, Copepoda and Ostracoda across wetlands can assist with interpreting wetland processes, water sources and hydrological connections, and water quality. We sampled the aquatic microfauna from 36 wetlands across the Lachlan catchment divided into semi-arid, temperate inland and temperate upland zones. Among over 100 species of aquatic microfauna recorded overall, one notable aspect was the occurrence of two Tasmanian rotifer species of Brachinus lyratus tasmaniensis and Lepadella tyleri in the semi-arid zone. This raises intriguing questions about possible dispersal and biogeographical distribution. Migratory waterbirds may be important as potential vectors of microfauna, as has been suggested for the Macquarie Marshes, another large floodplain wetland in the Murray-Darling Basin of south-eastern Australia. We conclude that the conservation and maintenance of diverse wetland habitats across different geographical zones should ensure the survival, diversity and effective dispersal of the microfauna and help maintain the ecological structure and function of the Lachlan wetlands.
    Original languageEnglish
    Title of host publicationAustralian Society for Limnology Conference 2017 abstract booklet
    Place of PublicationSydney, Australia
    PublisherAustralian Society for Limnology
    Number of pages1
    Publication statusPublished - 24 Sep 2017
    EventAustralian Society for Limnology conference (2017) - University of Technology Sydney, Sydney, Australia
    Duration: 24 Sep 201728 Sep 2017


    ConferenceAustralian Society for Limnology conference (2017)
    Abbreviated titleASL 2017


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