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Wokalup Creek - Downstream Wokalup Dam

Basin : Harvey River

Catchment : Harvey River

The condition of the Downstream Wokalup Dam site (site code: HR160WELL1/6134051), in the lower catchment of Wokalup Creek, was assessed between 7 and 8 February 2018, over a 100-m length of stream.

The assessment was conducted using standard methods from the South West Index of River Condition. Measures chosen for this assessment included fish and crayfish, aquatic habitat, water quality (dissolved oxygen, temperature, electrical conductivity, and pH logged over 24h, and colour, alkalinity, turbidity and nutrients), fringing vegetation, channel morphology, erosion, connectivity, local land use and flow.

Condition summary

Please contact the River Science Branch for site information.

Fish and crayfish

Two fish and two crayfish species were found at this site in February 2018.

  • Galaxias occidentalis (Western minnow)
  • Gambusia holbrooki (Eastern gambusia) – non-native
  • Cherax quinquecarinatus (Gilgie)
  • Cherax destructor (Yabby) – non-native

Click on the images below to learn more.

Species found in subcatchment

This includes all species found within the subcatchment of the assessment site, from this and previous studies in the area. The photos are linked to more information about each species, including maps of where they are expected across the south-west.