Publication Search
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February 2017This report provides a classification of coastal hydrosystems within New Zealand, including some offshore islands. Read more -
October 2019This report updates previously published data (2015) on coastal sea-surface temperature from 11 sites around New Zealand. Read more -
May 2000This report describes the approach taken for estimating the water quality 'trigger' values for ecosystem protection used in the 2000 revision of the Australian and New Zealand Guidelines for Fresh and Marine Water Quality (ANZECC 2000). The guidelines were revised in August 2018. Read more -
February 2014This document explains the proposed new approach to environmental reporting in New Zealand introduced by the Environmental Reporting Bill. The Bill, tabled in February 2014, proposes greater clarity over the roles and responsibilities for environmental reporting in New Zealand. Read more -
June 2005The Marine Environment Classification (MEC) provides a general map that shows the variation in both the physical and biological characteristics of New Zealand's marine area within our Exclusive Economic Zone. Read more -
April 2019This report updates the state and trends of water quality of coastal and estuarine waters for physico-chemical (eg, pH), optical (eg clarity), nutrients (eg, nitrates), and microbiological parameters (eg, enterococci). Read more -
October 2014This report provides recommendations for new sites to improve representativeness in the New Zealand river environmental monitoring network. Read more -
November 2010This report provides a national picture of current status (2005–2009) and trends in water quality of New Zealand lakes. It updates the 2006 report ‘A snapshot of lake water quality in New Zealand’. Read more -
January 2016New Zealand's submission to the International Seabed Authority to support the development of a regulatory framework for the exploitation of seabed minerals. Read more -
December 2013The aim of a Composite River Condition Index for New Zealand is to combine a number of sub-indices to communicate a representative holistic picture of river condition. This report investigates three indices and discusses limitations and areas for improvement. Read more -
October 2019This report updates indices for coastal and ocean extreme waves previously developed to quantify the occurrence of extreme wave events in New Zealand on an annual basis. Read more -
October 2019This report provides new coastal chlorophyll-a and sea-surface temperature analyses within New Zealand’s territorial waters. Read more -
December 2013An assessment of the representativeness and statistical power of state of environment river monitoring sites across New Zealand. Read more -
June 2005This 2005 report outlines opportunities to improve the requirements in the management of the environmental impacts of activities in New Zealand's Exclusive Economic Zone (EEZ). Read more -
December 2009These guidelines provide advice on how public health risk associated with cyanobacteria in recreational waters can be managed. Read more -
June 2000A background review of the structure and value of periphyton communities in streams, factors controlling growth and composition of periphyton, and the effects of human activities on the community. Read more -
March 2009This report summarises changes in fish communities in New Zealand rivers, including changes in relation to different land uses. Read more -
June 2003This 2003 report prepared by the Centre for Advanced Engineering provided information on economic opportunities for New Zealand's oceans. Read more -
October 2020This report assesses the suitability of using New Zealand Rural Fire Authority’s Fire Danger Rating System as an indicator on wildfire risk for the Ministry for the Environment and Stats NZ’s environmental reporting. Read more -
October 2019This report updates previously published statistics on mean sea-level series and trends at Auckland, Wellington, Lyttelton, Dunedin, New Plymouth and Moturiki (Mount Maunganui) to the end of 2018. Read more -
December 2017This report outlines a national sampling plan for the 8-km Grid to help multiple agencies coordinate the monitoring they undertake on the Grid. 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 -
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 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 -
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 -
July 2006This report examines options for using market-based instruments to maximise the value and sustainability of New Zealand’s marine resource. Read more -
January 2011The proposed NPS on Indigenous Biodiversity sets out the Government's expectations for managing New Zealand's indigenous biodiversity under the Resource Management Act 1991. Read more -
March 2008This technical report estimates the extent of dioxin contamination at sawmill sites in New Zealand where pentachlorophenol (known as PCP) was used as a timber treatment in sprays or dips until its withdrawal in 1988. 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 -
October 2019This report updates indicators for non-indigenous species with new data compiled since 2016. Read more -
September 2015Citizen science is emerging as a new source of data that could potentially be used in environmental monitoring and reporting. This project looked at the Garden Bird Survey as an example of a citizen science dataset. Read more -
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 -
March 2006These best practice guidelines have been developed to identify, assess and manage environmental impacts associated with petroleum exploration, development and production activities being undertaken in NZ's Exclusive Economic Zone and Continental Shelf beyond the Territorial Sea. Read more -
May 2014The technical report commissioned to provide us with some of the data used in the 2014 Air domain report. Read more -
October 2015This report has information on how spatial patterns of biodiversity can be measured and reported. Read more -
April 2007This report contains information about the scientific basis for the four national priorities for protecting rare and threatened indigenous biodiversity on private land and identifies key tools and references about each priority. Read more -
March 2016This report priorities suggested improvements to enhance and expand air domain reporting. Read more -
May 2007This material is incorporated by reference in the National Policy Statement for Freshwater Management 2020. Read more -
November 1998This document provides standardised whole effluent toxicity testing (WETT) protocols to test the potential biological impact of discharges into the aquatic environment of contaminated wastewater. Read more -
November 2019The proposed National Policy Statement for Indigenous Biodiversity (NPSIB) sets out the objectives and policies to identify, protect, manage and restore indigenous biodiversity under the Resource Management Act 1991 (RMA). Read more -
April 2016This business case provides analysis of the regulatory regime for 1080 operational use. Read more