Publication Search
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February 2012The literature review examines published analysis on six emerging technologies: biotechnology, nanotechnology, chemistry, information and communications technology, waste management, and clean energy. 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 -
February 2012The report examines how a number of relatively new technologies might impact on New Zealand’s economy. It applies scenario and quantitative modelling to four technologies, assessing their possible impacts on New Zealand’s economy, public health, and environment. Read more -
February 2001This 2001 report is an independent appraisal of the health risks posed to New Zealanders by dioxin and dioxin-like polychlorinated biphenyls. The report contains recommendations on managing these chemicals in New Zealand, and the need to reduce population exposures. 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 -
September 2020An evaluation report and compilation spreadsheet of available tools, databases and resources relating to the distribution of threatened freshwater species and their habitats in New Zealand. 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 -
November 1998This 1998 report provides data on the levels of dioxins and PCBs in New Zealand retail foods, including dairy products, meat and fish, as well as other staple foods such as potatoes and cereals. 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 -
December 2018Ministry for the Environment, in partnership with Bay of Plenty Regional Council, commissioned a literature review to get an accessible summary of relevant research carried out in New Zealand on methods to manage sediment and their economic assessment. Read more -
May 2018This report outlines the establishment of reference conditions and trigger values. Reference conditions are defined as the chemical, physical or biological conditions that can be expected in streams and rivers with minimal or no anthropogenic influence. Read more -
February 2012This independent report surveys literature on the regulation of chemical and biological risks in Australia, Canada, China, Japan, the European Union, the United Kingdom, and the United States. Read more -
June 2012This report identifies the key factors that influence businesses' decisions to innovate using new organisms in New Zealand. The aim of the project was to determine whether regulation for managing risks is an important determinant in such decisions. Read more -
September 2002This study measured dioxin in soils at residential properties in the New Plymouth suburb of Paritutu. It was undertaken because of longstanding community issues with the history of dioxin emissions from a chemical plant located in the suburb. Read more -
February 2001This 2001 report provides details about genetic modification (GM) research being conducted in New Zealand and ideas as to how GM and non-GM crops could coexist in New Zealand. 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 -
May 2019This report provides information to help interpret trends in water quality of New Zealand’s lakes and rivers. 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 -
December 1998This 1998 report provides data on the concentrations of dioxins, PCBs, organochlorine pesticides and chlorophenols in New Zealand soils. Read more -
April 2018This report provides an analysis of New Zealand’s wetland loss for the period summer 2001/2 through to summer 2015/2016. 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 -
December 1999This 1999 report provides data on the concentrations of dioxins, PCBs, organochlorine pesticides and chlorophenols in New Zealand ambient (outdoor) air. Read more -
April 2019This report summarises analysis methods and outcomes for modelling nitrate-nitrogen leaching from livestock in New Zealand, from 1990 to 2017. 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 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 -
November 2013This report compiles a list of mitigation strategies for managing water quality that are currently available in New Zealand. It provides a commentary on their relative cost-effectiveness. Read more -
November 2013This report compiles a list of mitigation strategies for managing water quality that are currently available in New Zealand. It provides a commentary on their relative cost-effectiveness. Read more -
November 2001This 2001 ‘benchmark’ survey of a nationally representative sample of New Zealanders, 15 years plus, was undertaken to help the Ministry develop a public information campaign on genetic modification. Read more -
June 1999This 1999 report provides data on the concentrations of dioxins, PCBs, organochlorine pesticides and chlorophenols in sediment and shellfish collected from 12 estuaries throughout New Zealand. Read more -
June 2012This report examines whether the scale of compliance costs arising from New Zealand’s hazardous substances regime was comparable with compliance costs imposed on users of chemicals in overseas jurisdictions. Read more -
December 1998This 1998 report provides data on the concentrations of dioxins, PCBs, organochlorine pesticides and chlorophenols in river water and finfish (eel and trout) collected from 13 New Zealand rivers. Read more -
March 2020Phormidium (now called Microcoleus) is a cyanobacterium (toxic algae) that grows in some New Zealand rivers. 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 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 -
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 -
May 2018The Managing Upstream project aims to help inform management decisions when establishing freshwater objectives under the Freshwater NPS and increase knowledge on the state of different estuary types in New Zealand. Read more