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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
Water quality in selected dairy farming catchments: A baseline to support future water-quality trend assessmentsJuly 2009This report is the first time a national picture of water quality in dairying catchments has been published for New Zealand. The report draws together water quality and land-use information from 14 river catchments. 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
June 2009This report presents the results of an audit of the remediation of the former Fruitgrowers Chemical Company site at Mapua. Read more