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A macroinvertebrate attribute to assess ecosystem health of New Zealand waterways for the National Objectives Framework – Issues and options

Publication date:  April 2015
Publication reference number:  CR 200

This is one of two technical reports that assessed the options and implications of using the Macroinvertebrate Community Index (MCI) as an attribute in the National Policy Statement for Freshwater Management This report specifically looked at identifying potential threshold values to define numeric attribute states for MCI.