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June 2007This plain English brochure contains information about PM10 air pollution and how it is monitored, and the national environment standards for air quality. Read more
June 2000A 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
December 2000The 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
May 2007This material is incorporated by reference in the National Policy Statement for Freshwater Management 2020. Read more