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May 2010This report is one of two prepared for the Ministry for the Environment by NIWA, which update national indicator data for river water quality in New Zealand and help provide the evidence base for policy and decision makers. Read more
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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
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May 2018Phormidium is a potentially toxic, mat-forming benthic cyanobacterium found in an increasing number of New Zealand rivers. This report outlines a study which assessed Phormidium toxin levels in the Cardrona (Otago), Mataura (Southland) and Hutt (Wellington) Rivers in 2017. Read more
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December 2009The Water Research Strategy sets out the issues for water management and guides investment in water research. It is intended to guide the science sector to deliver the information and tools required to enable world class management of water resources in New Zealand. Read more
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December 2018Ministry for the Environment, in partnership with Bay of Plenty Regional Council, commissioned Perrin Ag Consultants Ltd and Manaaki Whenua Landcare Research to assess the farm/orchard-gate economic impact of applying a range of mitigation practices to reduce losses of nitrogen, phosphorus, E. coli and sediment. Read more
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February 2017This report has been produced to test potential consequences of setting freshwater objectives for hydro scheme operations. Modelling was undertaken of a selection of various scenarios involving an increase in minimum flows in selected rivers to assess the impact of draft proposals to amend the NPS Freshwater Management on the New Zealand electricity system. Read more
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November 2015This booklet includes a set of outcomes that detail the long-term environmental goals and intermediate targets that we believe will help us to encourage New Zealand's economic, social and cultural prosperity without comprimising our environment for future generations.. Read more
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May 2020This report summarises work to evaluate load reductions required to meet the new National Policy Statement for Freshwater Management's nutrient-related bottom lines. Read more
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April 2010This report informs the ‘environmental flows and water measuring’ and ‘water quality limits’ projects commissioned as part of the New Start for Fresh Water programme in 2009. Read more
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June 2016This paper looks at planning practices for providing development capacity for housing and business needs in the United Kingdom (UK) and two Australian states, Victoria and New South Wales. Read more
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September 2019As part of the Essential Freshwater programme, the Government is considering changes to nitrogen and phosphorus regulations. This study aimed to determine the impact of the proposed new nitrogen regulation. Read more
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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
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November 2010This report presents a summary of the regional council consent data for water takes between 2009–10. The information in the report has been used to update the freshwater demand environmental indicator. Read more
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May 2014The technical report commissioned to provide us with some of the data used in the 2014 Air domain report. Read more
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November 2017This material is incorporated by reference in the National Policy Statement for Freshwater Management 2020. Read more
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January 2010This report documents the tools being used to support Māori participation in freshwater management under the Resource Management Act 1991 and suggests areas that could be further investigated. Read more
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May 2019This report outlines the different potential approaches for characterising the pressure created by dams on the flow regime of rivers and streams. Read more
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April 2017This report outlines the development of a pressure-state-impact model to predict the effect of water abstractions on river flows, using Canterbury as a case study. Read more
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September 2019This report builds upon the findings of the Sediment attributes and urban development (report 1) literature review - see link in Related publications below. Read more
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May 2019This report updates previously published statistics on water consented to be taken from surface and groundwater sources for consumptive uses (such as irrigation or drinking water). Read more
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June 2007This report presents the results of the real-life emissions testing carried out in conjunction with the Tokoroa Warm Homes trial. This report should be read with the 'Real-life Emissions Testing of Pellet Burners in Tokoroa' report. Read more
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June 2007This report presents the results of the real-life emissions testing carried out in conjunction with the Tokoroa Warm Homes trial. This report should be read with the 'Real-life emissions testing of wood burners in Tokoroa' report. Read more
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February 2017This Conservation and Environment Science Roadmap identifies the scientific knowledge required in the next 20 years to support decision-making into the future. Read more
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December 2011The following briefings were provided to the Minister for the Environment and Minister for Climate Change Issues in December 2011. Read more
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December 2005This report investigates the social drivers behind householders' decisions on home heating, insulation and appliance choice. It should be read with the Phase 1 report which outlines the policy context of the project. Read more
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April 2020This report by Cawthron collates and analyses regional council river and stream monitoring data, including measures of fine deposited sediment and habitat quality. Read more
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June 2005This document aims to establish whether there is a persuasive case for urban design - the design of the buildings, places, spaces and networks that make up our towns and cities. Read more
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July 2004This paper was published as part of the Water Programme of Action Freshwater for a Sustainable Future consultation. Read more
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November 2008This briefing was provided to the incoming Minister for the Environment and Minister for Climate Change Issues in November 2008. Read more
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August 2018Trend analyses performed on many sites are regularly aggregated by water quality variable and summarised in tabular, graphical or map format as part of environmental reporting. Read more
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May 2019This report characterises the pressure on surface water flows from actual water takes for the Horizons (Manawatu-Wanganui) and Greater Wellington regions in the lower half of the North Island. Read more
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May 2019This report examines whether measures of the macroinvertebrate community can provide information on the health of the trout populations that feed on them, based on existing data. Read more
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