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Temporal and land-cover trends in freshwater fish communities in New Zealand's rivers: an analysis of data from the New Zealand Freshwater Database - 1970 - 2007March 2009This report summarises changes in fish communities in New Zealand rivers, including changes in relation to different land uses. Read more
April 2009This document provides best practice guidance on ambient (outdoor) air quality monitoring and data management in New Zealand. Read more
September 2009This report provides an update of results for indicators of groundwater quality in New Zealand. It summarises average water quality at almost 1000 monitoring sites over the period 1995-2008, as well as trends at the same sites within that period of time. Read more
The value of air quality standards: Review and update of cost benefit analysis of National Environmental Standards on Air QualityOctober 2009This report updates the cost-benefit analysis of the National Environmental Standards (NES) on Air Quality undertaken in 2004. Read more