Publication Search
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November 2019This report describes the development of a Hydrogeological-Unit Map for New Zealand, which provides a classification of geological units in terms of their importance for groundwater flow and storage in an ArcGIS seamless digital map. Read more -
November 2019This report reviews groundwater models in New Zealand. Read more -
August 2020The New Zealand Threat Classification System provides a tool for assigning a threat status to candidate taxa. 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 -
November 2019This report describes national data sets related to groundwater flux estimation, including the methodologies to undertake this work and resultant digital data sets. Read more -
December 2012This research looked at 23 case studies of collective action groups to examine their likelihood of emerging and enduring in the long-term. Read more -
May 2019This report refines and updates 2011 modelling on suspended sediment loads across New Zealand with new and longer calibration datasets and updated predictors. Read more -
November 2006This report provides an overview of consumptive water allocation and use in New Zealand in 2006. Read more -
April 2000This report provides an information base about the status of water allocation in each New Zealand region, and the systems being used to allocate water. It was prepared for the Ministry for the Environment by Lincoln Environmental. Read more -
November 2006This report provides a snapshot of lake water quality and lake water quality monitoring in New Zealand between and 1995 and 2005. Read more -
November 2019This report describes an update of New Zealand's depth to hydrogeological basement map, including the methodology used to undertake this work and the resultant digital data sets. Read more -
December 2020This report surveyed international frameworks, identified important lessons for outcome-based environmental management, and helps clarify what setting environmental limits and targets will require. Read more -
June 2002Information for lake managers on on native and exotic fish populations in substantial lakes and reservoirs. Read more -
April 2017This report presents trends in the abundance of freshwater species between 1977 and 2015 based on standardised data from the New Zealand Freshwater Fish Database. Read more -
September 2019This report from ESR describes the methodology and findings of an assessment of changes in levels of compliance with the Drinking-water Standards for New Zealand (DWSNZ) from 2005 to July 2017. Read more -
May 2019This report provides information on the susceptibility to eutrophication of coastal water bodies to nutrient loads from fresh water. Read more -
July 2008This leaflet provides an overview of the proposed National Policy Statement for Freshwater Management. The NES came into effect on 1 July 2011. Read more -
January 2004This report, commissioned as part of the Water Programme of Action, describes potential opportunities for using economic instruments to manage the impacts of land use on water quality. 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 -
July 2011This environment snapshot has been superseded by the October 2012 Recreational water quality in New Zealand indicator update and the 2013 Suitability for swimming indicator update. Read more -
April 2017This report models the state of water quality along New Zealand’s national river network, using data measured at freshwater monitoring sites between 2009 and 2013. Read more -
The New Zealand Stream Health Monitoring and Assessment Kit (SHMAK) helps users collect consistent, scientifically valid information from small rural streams to make assessments of stream health. Read more
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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 -
December 2017This report analyses the state of freshwater quality for the past 25 years based on a national scale model. Read more -
May 2017This paper by Landcare Research reviews science that underpins present best practice guidance for erosion and sediment control (ESC) and identifies gaps in present knowledge and research. Read more -
August 2020This report describes a prototype for a New Zealand River Ecosystem Health Scorecard, conceived as a simple, easily interpretable and holistic communication tool for the state of the biophysical condition of rivers and streams in New Zealand. Read more -
December 2013An assessment of the representativeness and statistical power of state of environment river monitoring sites across New Zealand. Read more -
April 2019This report summaries the published literature on land-use impacts on New Zealand's freshwater and coastal environments. Read more -
December 2017This report estimates the net amount of surface water available in New Zealand and in each region between 1995 and 2014. Read more -
August 2020This guidance document sets out recommended practice for the design of instream infrastructure to provide for fish passage and to set the foundation for the improvement of fish passage management in New Zealand. Read more -
August 2018These guidelines provide water managers with tools and guidance to assess, manage and monitor the water quality. They complement the existing National Policy Statement for Freshwater Management (Freshwater NPS) which is the main direction to local government about how to manage fresh water in New Zealand. Read more -
December 2009These guidelines provide advice on how public health risk associated with cyanobacteria in recreational waters can be managed. Read more -
March 2000This protocol specifies a cost-effective method to determine the trophic levels of lakes, and changes in these levels over time. Read more -
May 2018This report provides an environmental classification system for a potential deposited sediment indicator in the National Objectives Framework. The system classifies streams according to their modelled reference state. This report is an interim deliverable for an ongoing research programme that builds on and refines its findings and will conclude in June 2018. 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 -
December 2006This document provides a step-by-step protocol for the collection of groundwater samples in New Zealand. Read more -
February 2017This report reviews the original report, 'Strategic assessment of New Zealand’s freshwaters for recreational use: a human health perspective'. Read more -
December 2020This report translates the planetary boundaries framework to show New Zealand’s global environmental connections and quantifies where our country sits in terms of operating within environmentally safe boundaries. Read more -
June 2008A 'beginner’s guide' to understanding those parts of the Drinking-Water Standards for New Zealand considered to be most relevant to the implementation of the National Environmental Standard for Sources of Drinking Water. Read more -
February 2017This report is a strategic assessment of New Zealand’s freshwaters for recreational use from a human health perspective. It outlines the methods used to produce spatial predictions of E. coli and cynobacterial biovolume at unmonitored locations. Read more -
November 2005This report presents the results of a survey of domestic heating methods and fuels carried out in 29 urban areas of New Zealand. The survey collected information to be used in assessing measures to reduce PM10 emissions from domestic home heating in these areas. Read more -
April 2018The Ministry for the Environment, Department of Conservation, and the Biological Heritage National Science Challenge co-funded research to look at contemporary losses of wetland extent in New Zealand. This report provides recommendations and a suggested path forward to improve our ability to monitor and report on national wetland extent. Read more -
September 2019This report reviews New Zealand literature on the effects of environmental degradation of freshwater ecosystems on social, cultural, environmental, and economic outcomes in New Zealand. Read more -
May 2019This report outlines recommended changes to the ‘Interim New Zealand Guidelines for Cyanobacteria in Recreational Fresh Waters’. Read more -
May 2019This report analyses seasonal patterns in river and lake water quality across New Zealand, using data from 2013–2017. Read more -
April 2020In 2018, the Ministry asked Deloitte to consider the extent of water bottling in Aotearoa New Zealand NZ and the economic value of water bottling for water bottlers and communities. This report presents their findings. Read more -
November 2013This technical report provides evidence and advice used in setting the E. Coli attribute bands for secondary contact recreation in rivers and lakes. Read more -
December 2019This guide provides information for people who import, manufacture, or sell products covered by New Zealand’s Water Efficiency Labelling Scheme (WELS). Read more