Publication Search
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October 2013The Ministry for the Environment commissioned ENVIRON Australia Pty Ltd, to investigate the practicalities of identifying, sorting and segregating plastics in the e-waste recycling industry, according to those components that contain banned brominated flame retardant (BFR) chemicals. Read more -
May 2019This report summarises a workshop held to gather feedback on the ‘Interim New Zealand Guidelines for Cyanobacteria in Recreational Fresh Waters’. Read more -
May 2006This report, commissioned in 2006, examines possible government actions and their ability to contribute to the sustainable development of marine resources. Read more -
April 2019This report summarises analysis methods and outcomes for state and trends across New Zealand’s lake water quality monitoring network. Read more -
April 2019This report summarises analysis methods and outcomes for state and trends across New Zealand’s river water quality monitoring network. Read more -
July 2009This report summarises changes in nuisance periphyton (algal) growth at National River Water Quality Network sites between 1990 and 2006. Read more -
May 2012This independent report prepared for the Ministry by NIWA lists the known possible activities in the EEZ and describes their likely risk to the environment. It also recommends how activities could be classified under the proposed regulatory framework. Read more -
June 2009The report is part of a series of three reports that strengthen the evidence base for a potential industry-led voluntary product stewardship scheme. Read more -
September 2010This study reports on the use, recycling and disposal to landfill in New Zealand of articles containing brominated diphenyl ether (BDE) flame retardants. Read more -
May 2019This report analyses environmental conditions that cause the growth of periphyton in streams and rivers. Read more -
June 2005This 2005 report looked at the information and tools needed to make smart decisions about the best future uses of our ocean. It assessed the range of information and decision-making tools available in 2005 and identified opportunities to improve requirements. Read more -
September 2019This draft NIWA report provides the first attempt to develop bottom-line thresholds for suspended and deposited sediment based on ecological responses for New Zealand rivers and streams. Read more -
May 2020This NIWA report summarises existing literature on the consequences of delaying reductions to nutrient inputs on rivers, estuaries and lakes. Read more -
April 2015One of two reports that assessed the options and implications of using the Macroinvertebrate Community Index (MCI) as an attribute in the National Policy Statement for Freshwater Management. It looked at identifying potential threshold values to define numeric attribute states for MCI. Read more -
December 2013An investigation into the feasibility of using freshwater fish predictive models in national state of the environment indicators. Read more -
November 2002A 2002 stocktake of New Zealand's oceans legislation, policies, and strategies - and the international conventions New Zealand is a party to. Read more -
May 2006This report describes two New Zealand whiteware product stewardship schemes. Read more -
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 investigated drivers of Phormidium blooms in New Zealand rivers to predict risk of blooms. Read more -
April 2019This report summarises analysis methods and outcomes for modelling New Zealand’s river water quality. Read more -
April 2019This report summarises analysis methods and outcomes for modelling New Zealand’s lake water quality. Read more -
May 2019This report develops a model predicting the reference state for stream macroinvertebrates across New Zealand. Read more -
May 2020A literature review of studies that jointly considered climate and freshwater policy in New Zealand. Read more -
September 2019This data report provides an annual data picture of brassica grown in New Zealand. Read more -
June 2010The report assesses how well Integrated catchment management is working in New Zealand for managing freshwater quality. Read more -
December 2012The latest indicator update providing information on the area of New Zealand’s marine areas with legal protection. Read more
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May 2019This report provides information to help interpret trends in water quality of New Zealand’s lakes and rivers. Read more -
July 2006This report examines options for using market-based instruments to maximise the value and sustainability of New Zealand’s marine resource. Read more -
July 2006This report investigates approaches for the allocation and subsequent reallocation of water in New Zealand, including situations of over-allocation. Read more -
May 2019This report presents and tests a macroinvertebrate metric for New Zealand streams and rivers that is sensitive to changes in flow. Read more -
March 2005The Urban Design Case Studies support the New Zealand Urban Design Protocol by showing practical examples of successful urban design. Read more -
May 1997The first report summarising information on waste in New Zealand, written for organisations and individuals with an interest in waste management. Read more -
August 2010The report updates an analysis of trends in water quality between 1989 and 2003 which was summarised in Environment New Zealand 2007. Read more -
October 2012The latest indicator update providing information on the pressure waste disposal places on New Zealand’s environment, using the solid waste disposal indicator. Read more
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April 2019This report summarises analysis methods and outcomes for modelling nitrate-nitrogen leaching from livestock in New Zealand, from 1990 to 2017. Read more -
October 2007The 2006/07 National Landfill Census report provides information on the state of play of landfill sites across New Zealand in 2006/07. Read more -
May 2020This report presents research conducted by Lincoln University on the willingness to pay for the various attributes associated with New Zealand’s green premium. Read more -
May 2019This report considers options for New Zealand to manage the effects of fluctuations in recycling material commodity prices on our resource recovery sector. Read more -
May 2020This Castalia report estimates the administrative costs imposed under the Action for healthy waterways package for New Zealand’s 16 regional councils. Read more -
May 2019This report presents and tests a range of macroinvertebrate metrics for New Zealand streams and rivers that are sensitive to changes in sediment and periphyton. Read more -
October 2019This NIWA consultant report provides analysis of state and trends in a number of water quality variables in urban rivers and streams in New Zealand. Read more -
May 2005This paper assesses kerbside organic waste collections, in New Zealand and overseas, and identifies matters for territorial authorities to consider before implementing a collection of this nature. Read more -
July 2015In 2014, the Ministry for the Environment commissioned KPMG to research economic barriers to tyre recycling in New Zealand. This report presents the findings of that research. Read more -
March 2020Phormidium (now called Microcoleus) is a cyanobacterium (toxic algae) that grows in some New Zealand rivers. Read more -
October 2016'Our marine environment 2016' provides an overview of the pressures New Zealand's marine environment faces, how it is changing, and the impacts on our biodiversity, economy, and way of life. Read more -
March 2020Phormidium (now called Microcoleus) is a cyanobacterium (toxic algae) that grows in some New Zealand rivers. It produces neurotoxins called anatoxins and ingestion of cyanobacteria mats has caused numerous dog deaths. Read more -
March 2003The 2002 Landfill Review and Audit provides a picture of the risks associated with landfills in New Zealand by assessing relative risks on a consistent basis nationwide using the Landfill Rapid Screening System Read more -
March 2020Phormidium (now called Microcoleus) is a cyanobacterium (toxic algae) that grows in some New Zealand rivers. Read more -
October 2013The Ministry for the Environment commissioned ACIL Allen Consulting to undertake a cost-benefit analysis of sorting options for e-waste plastics being recycled in New Zealand that potentially contain brominated flame retardants. Read more -
December 2012This publication provides a case study that reflects researchers’ observations and interviews with participants of New Zealand’s first national attempt at collaborative governance in the complex and frequently contested area of freshwater management. Read more -
February 2017Sediment is an important contaminant in New Zealand freshwaters. This report presents the development of an analytical framework to empirically relate various key instream measures of sediment to catchment sediment loads. Read more