Confidence rating of marine eutrophication assessments

image of Confidence rating of marine eutrophication assessments

This report presents the development of a methodology for assessing confidence in eutrophication status classifications. The method can be considered as a secondary assessment, supporting the primary assessment of eutrophication status. The confidence assessment is based on a transparent scoring of the 'value' of the indicators on which the primary assessment is made. Such secondary assessment of confidence represents a first step towards linking status classification with information regarding their accuracy and precision and ultimately a tool for improving or targeting actions to improve the health of the marine environment.




The Nordic countries have a long and scientifically sound tradition in relation to the assessment of marine eutrophication, e.g. in relation to national assessments, HELCOM Periodic Assessments and OSPAR Quality Status Reports, and in the application of the HELCOM Eutrophication Assessment Tool (HEAT) and the OSPAR Comprehensive Procedure (OSPAR COMP).


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