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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
April 2011The National Policy Statement for Renewable Electricity Generation 2011 sets out the objective and policies for renewable electricity generation under the Resource Management Act 1991. The NPS REG came into effect on 13 May 2011. Read more
Users' guide: National Environmental Standard for Assessing and Managing Contaminants in Soil to Protect Human HealthApril 2012This users’ guide explains the regulations and provides guidance to territorial and unitary authorities on implementing the National Environmental Standard for Assessing and Managing Contaminants in Soil to Protect Human Health. Read more