Publication Search
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December 2013An investigation into the feasibility of using freshwater fish predictive models in national state of the environment indicators. Read more -
January 2016This consultation document sets out the Government’s proposal for a new approach to marine protection in New Zealand. The submission period has now closed. Read more -
December 2013In 2013, the Government sought feedback on an exposure draft of the proposed exploratory drilling for oil and gas regulations under the EEZ Act. This document provided supporting information for the consultation. Consultation closed 31 January 2014. Read more -
March 2014This document summarises the submissions received on the exposure draft of regulations for exploration drilling for oil and gas under the Exclusive Economic Zone and Continental Shelf (Environmental Effects) Act 2012 and presents the main issues and themes raised. Read more -
July 2018In 2017, the Government strengthened the regulatory framework for the decommissioning of offshore oil and gas structures and pipelines in New Zealand’s Exclusive Economic Zone (EEZ). This includes a new requirement for operators to provide a decommissioning plan before applying for a decommissioning-related marine consent. Read more -
August 2013This discussion document sought feedback on the Government’s proposals for regulating exploratory drilling for oil and gas, discharges of harmful substances, and dumping of waste in New Zealand's Exclusive Economic Zone (EEZ). Submissions closed on 25 September 2013. 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 2012This discussion document sought feedback on proposed regulations for managing the environmental effects in New Zealand's Exclusive Economic Zone and Continental Shelf. Submissions on the discussion document have now closed. Read more -
December 2004This discussion document outlines the different ways in which New Zealanders value and use freshwater. It also looks at how New Zealand’s water is managed and the pressures and challenges facing our water management system. 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 -
August 2001This report summarises the findings of the "Valuing New Zealand's clean green image" report. 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 -
February 2016This consultation document sets out the Government’s proposals to improve the management of fresh water in New Zealand. 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 -
October 2010This discussion document presents options for improving New Zealand’s resource management regulations and processes. Submissions closed 17 December 2010. 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 -
March 2013This paper sets out the Government’s approach to reforming New Zealand’s freshwater management system. Comments closed on 8 April 2013. 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 -
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 -
August 2019The Government is consulting on a proposal for a new National Policy Statement on Urban Development (NPS-UD). The NPS-UD will provide clear direction to local government about how to enable opportunities for development in New Zealand’s urban areas. Read more -
August 2005This report summarises the views of the Stakeholder Reference Group on water allocation and use in New Zealand, and the potential approaches for improving our current allocation system. 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 -
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 -
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 -
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 -
June 2016This report presents the findings of a review of continuous dissolved oxygen data in New Zealand including an assessment of observed dissolved oxygen concentrations in relation to the National Objectives Framework (point source) band thresholds. Read more -
May 2020This report presents the modelled results of the impact of the National Policy Statement for Freshwater Management (2017) and two variants of the Essential Freshwater package on New Zealand’s economy in 2030 and 2050. Read more -
May 2008This second volume of case studies provides examples of ways local government can incorporate quality urban design in strategies, plans and guidelines. It also includes examples of best practice development projects from throughout New Zealand. Read more -
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 -
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 -
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 -
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 -
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 -
October 2019This report updates indicators for non-indigenous species with new data compiled since 2016. Read more -
August 2019This document provides an ‘at a glance’ summary of the Government’s consultation on a proposal for a new National Policy Statement on Urban Development (NPS-UD). Read more -
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