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  • “Trigger” values for New Zealand rivers
    May 2000
    This report describes the approach taken for estimating the water quality 'trigger' values for ecosystem protection used in the 2000 revision of the Australian and New Zealand Guidelines for Fresh and Marine Water Quality (ANZECC 2000). The guidelines were revised in August 2018. Read more
  • New Zealand Periphyton Guideline: Detecting, Monitoring and Managing Enrichment of Streams
    June 2000
    A background review of the structure and value of periphyton communities in streams, factors controlling growth and composition of periphyton, and the effects of human activities on the community. Read more
  • Stream Periphyton Monitoring Manual
    December 2000
    The Stream Periphyton Monitoring Manual describes a standard set of methods for regional councils, consultants and researchers to collect and analyse data on periphyton for resource surveys, impact assessments/monitoring, state of environment reporting and research studies. Read more