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Limiting Factors For Crayfish And Finfish In Acidic Coal Pit Lake, Clinton Mccullough, Mark Lund
Limiting Factors For Crayfish And Finfish In Acidic Coal Pit Lake, Clinton Mccullough, Mark Lund
Research outputs 2011
World-wide, open-cut mining operations often leave pit lakes at closure. The Collie Lake District in south-west Australia has 13 pit lakes from open-cut coal extraction, with more expected. Many lakes may offer beneficial end uses as fisheries habitat for biodiversity or for recreational species. However, pit lakes may have degraded water quality due to Acid and Metalliferous Drainage (AMD). A literature review and survey for marron (endemic crayfish of biodiversity and recreational value) and fin-fish (of only biodiversity value) found that crayfish were likely more limited by habitat and food availability, and fin-fish by water quality. Management of these mild …
Model-Based Investigations Of Acidity Sources And Sinks Of A Pit Lake In Western Australia, Mike Mueller, Katja Eulitz, Clinton Mccullough, Mark Lund
Model-Based Investigations Of Acidity Sources And Sinks Of A Pit Lake In Western Australia, Mike Mueller, Katja Eulitz, Clinton Mccullough, Mark Lund
Research outputs 2011
Lake Kepwari is a rehabilitated lake in the Collie Basin lignite mining area in Western Australia. The water quality of Lake Kepwari was modeled with the pit lake hydrodynamic and water quality model PITLAKQ. Based on a hydrodynamically validated model, water quality scenarios were used to quantify the sensitivity of different acidity sources including groundwater exchange, surface runoff and erosion, providing new insights into the system. The technique of monthly aggregation of all sources and sinks of acidity, based on detailed model output, provided the basis for useful conclusions. Model results suggest a new focus of field investigations to improve …