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March 2000This protocol specifies a cost-effective method to determine the trophic levels of lakes, and changes in these levels over time. Read more
June 2000A guide on where to find information on the Hazardous Substances and New Organisms Act 1996. 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