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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
Trends in nuisance periphyton cover at New Zealand National River Water Quality Network sites 1990-2006July 2009This report summarises changes in nuisance periphyton (algal) growth at National River Water Quality Network sites between 1990 and 2006. 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