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Desired Characteristics of Criteria In Addition to being Scientifically Sound. Credible & commands the attention of decision makers Unambiguous & easy to understand Provides guidance for decision making including assessing the efficacy of past decisions
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Desired Characteristics of CriteriaIn Addition to being Scientifically Sound • Credible & commands the attention of decision makers • Unambiguous & easy to understand • Provides guidance for decision making including assessing the efficacy of past decisions • Reasonably easy to compute repeatedly & at rates most useful to decision makers 1
Coastal Eutrophication Central North Sea Year 1950 1960 1970 1980 1990 2000 2 4 6 Month 8 10 12 0 1 2 3 Continuous Plankton Recorder Phytoplankton Color Index 2 SD > LTMM 2
Meeting Objectives • Review potential approaches for calculating chlorophyll criteria • Agree on recommended criteria • Specify remaining issues to be resolved • Finalize outline for chlorophyll criteria document • Next steps • Draft Chlorophyll a Water Quality Criteria • Complete final document by 13 November? 3