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Derm iwc chinese delagation_greg long 301109
 

Derm iwc chinese delagation_greg long 301109

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    Derm iwc chinese delagation_greg long 301109 Derm iwc chinese delagation_greg long 301109 Presentation Transcript

    • Environmental Values, Water Quality Objectives,Aquatic Ecosystem Health reporting
    • Example Siteno/minor impact moderate impact major/very major impact
    • Selected reference site locations are indicated bynumbers on the right-hand side of the riskassessment diagrams
    • Environmental FlowObjectives:The deviation below thisEFO should be minimized asthere may be an increasedrisk of unacceptableenvironmental degradation.
    • Environmental Protection (Water) Policy 1997
    • HUMAN USE EVs AQUATICECOSYSTEM Stock watering EV What are Environmental Values (EVs)? Primary Recreation EVs are the qualities of a water that support: (A) aquatic ecosystems and (B) human uses/values All waterways will possess the aquatic Irrigation ecosystem EV and in most cases, other human uses/values will also apply. EVs are protected from the effects of pollutants by achieving water quality Farm Supply objectives Industrial Use
    • What are Water QualityObjectives (WQOs)?Measures of water qualityindicators (physical, chemical, orbiological measures) that protectthe environmental values of thewaterThe WQO is the most stringentset of WQGs to support allidentified EVs
    • © 2009 SEQ Healthy Waterways Partnership
    • © 2009 SEQ Healthy Waterways Partnership
    • Ratings used to present averaged assessments in this report Average difference from reference Interpretation Rating condition green In reference condition Good condition yellow < 20 % Slightly disturbed condition orange > 20% and < 50 % Moderately disturbed condition red > 50 % Highly disturbed condition grey No assessment available No assessment available