Restore habitat Protect and restore riparian habitat in Corangamite catchments supporting Australian Grayling CMA, West populations, with priority to catchments with Gippsland CMA, important habitat and/or populations. East Gippsland CMA, Melbourne Protect and restore specific spawning Glenelg habitat in catchments with important Hopkins CMA populations of Australian Grayling. Standard objective Objective explanation To secure populations or Important life history stages of Australian Grayling, including spawning habitat from potentially and dispersal, are associated with increases in flow. Poor water quality incompatible land use or as a result of low flows can also impact upon this species. catastrophic loss Consequently, modifications to the natural flow regimes of streams and rivers are a major threat to this species. Standard action Details Responsible agents Provide adequate Sites which are highly regulated may not provide Corangamite environmental conditions which are required to initiate CMA, West flows spawning and the associated flows necessary to Gippsland CMA, carry East Gippsland larvae to sea. Furthermore, highly regulated CMA, Melbourne may not provide adequate attraction flows for Water, Glenelg returning juveniles following their marine larval Hopkins CMA, phase. Additionally, lack of flows through water DELWP abstraction may lead to a reduction in the period in which the rivers estuarine entrance is open to the sea. This may lead to the inability of larval Australian Grayling to access habitat necessary for their early development. Poor water quality, as a result of low flows, may also adversely impact this species, through increased water temperatures Develop, provide input to Incorporate actions to conserve Australian Melbourne and low dissolved oxygen levels. or implement park, reserve Grayling into catchment management and river Corangamite or land management plan. health programs where appropriate CMA, West Gippsland CMA, East Gippsland CMA, Port Phillip and Westernport CMA, Glenelg Hopkins CMA
Restore habitat Protect and restore riparian habitat in catchments supporting Australian Grayling populations, with priority to catchments with important habitat and/or populations. Protect and restore specific spawning habitat in catchments with important populations of Australian Grayling. Corangamite CMA, West Gippsland CMA, East Gippsland CMA, Melbourne Glenelg Hopkins CMA Standard objective Objective explanation To secure populations or habitat from potentially incompatible land use or catastrophic loss Important life history stages of Australian Grayling, including spawning and dispersal, are associated with increases in flow. Poor water quality as a result of low flows can also impact upon this species. Consequently, modifications to the natural flow regimes of streams and rivers are a major threat to this species. Standard action Details Responsible agents Provide adequate environmental flows Sites which are highly regulated may not provide conditions which are required to initiate spawning and the associated flows necessary to carry larvae to sea. Furthermore, highly regulated may not provide adequate attraction flows for returning juveniles following their marine larval phase. Additionally, lack of flows through water abstraction may lead to a reduction in the period in which the rivers estuarine entrance is open to the sea. This may lead to the inability of larval Australian Grayling to access habitat necessary for their early development. Poor water quality, as a result of low flows, may also adversely impact this species, through increased water temperatures and low dissolved oxygen levels. Corangamite CMA, West Gippsland CMA, East Gippsland CMA, Melbourne Water, Glenelg Hopkins CMA, DELWP Develop, provide input to or implement park, reserve or land management plan. Incorporate actions to conserve Australian Grayling into catchment management and river health programs where appropriate Melbourne Corangamite CMA, West Gippsland CMA, East Gippsland CMA, Port Phillip and Westernport CMA, Glenelg Hopkins CMA
Australian-Grayling_action-statement.pdf.docx