A team of researchers from the Northern Australia Hub, in collaboration with Kakadu National Park staff and Traditional Owners, has been investigating aquatic biodiversity on the rivers and floodplains. In August 2012, the researchers collected samples of algae, insects and fish from 20 sites across Kakadu using sweep nets, plankton filters and electrofishing. They are now analysing the chemical signature of these samples to determine food web links between rivers, floodplains and estuaries.
This research will provide a better understanding of the importance of floodplains to freshwater biodiversity across the north, and inform water resource management. For example, by helping to determine where fish and other animals get their food for growth and reproduction.
Linke, S., Kennard, M.J., Hermoso, V., Olden, J.D., Stein, J. & Pusey, B.J. (2012). Merging connectivity rules and large-scale condition assessment improves conservation adequacy in river systems. Journal of Applied Ecology 49: 1036–1045.
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