Datasets
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River Environment Classification Catchment Order 8 (2010)
Ministry for the EnvironmentThe REC groups rivers and parts of river networks that share similar ecological characteristics, including physical and biological. Rivers that share the same class can be treated as similar to one another and different to rivers in other classes. The REC classification system groups rivers according to several environmental factors that strongly...Created 1 January 2023 • Updated 3 May 2025 -
New Zealand’s greenhouse gas emissions by sector and gas 2016
Ministry for the EnvironmentWe measure gases that are added to the atmosphere through human activities. This does not include natural sources such as biological processes or volcanic emissions. We report greenhouse gas (GHG) emissions in carbon dioxide equivalent (CO2-e) units, which is a measure for how much global warming a given type and amount of greenhouse gas causes, using the...Created 2 February 2020 • Updated 3 May 2025 -
River water quality: Escherichia coli, state, 2016 - 2020
Ministry for the EnvironmentAdapted by Ministry for the Environment and Statistics New Zealand to provide for environmental reporting transparency. Dataset used to develop the "River water quality: Escherichia coli" indicator (available at https://www.stats.govt.nz/indicators/river-water-quality-escherichia-coli). This dataset contains one parameter of water quality based on...Created 1 September 2022 • Updated 3 May 2025 -
Drought, state, 1972 - 2022
Ministry for the EnvironmentWe report on drought frequency, duration, severity, and intensity at three different time scales, short-term (3 months), medium-term (6 months) and long-term (12 months). These different time scales are approximately equivalent to meteorological, agricultural, and hydrological drought, respectively. We do this for 30 sites across Aotearoa New Zealand...Created 3 March 2024 • Updated 3 May 2025 -
Land Environments New Zealand (LENZ) - Level 1 Grid (2010)
Ministry for the EnvironmentLand Environments of New Zealand (LENZ) is a classification of fifteen climate, landform, and soil variables chosen for their relevance to biological distributions. Classification groups were derived by automatic classification using a multivariate procedure. Four levels of classification detail have been produced from this analysis, containing 20, 100,...Created 2 February 2020 • Updated 3 May 2025 -
Daily peak UV index value, 1981–2017
Ministry for the EnvironmentDaily peak UV index values at Invercargill, Lauder (Otago region), Christchurch, Paraparaumu (Wellington region), and Leigh (Auckland region). The strength of UV light is expressed as a solar UV index, starting from 0 (no UV) to 11+ (extreme). Exposure to the sun's ultraviolet (UV) light helps our bodies make vitamin D, which we need for healthy bones and...Created 2 February 2020 • Updated 3 May 2025 -
Land fragmentation, 2002 - 2019
Ministry for the EnvironmentDATA SOURCE: Manaaki Whenua - Landcare Research [Technical report available at https://environment.govt.nz/publications/land-fragmentation-environmental-reporting-indicator-technical-methods-for-analysis-from-2002-to-2019] Adapted by Ministry for the Environment and Statistics New Zealand to provide for environmental reporting transparency Dataset used to...Created 2 May 2021 • Updated 3 May 2025 -
Coastal sea-level rise 1901 - 2018
Ministry for the EnvironmentThis indicator measures the rise in annual mean coastal sea level relative to land. The national mean is derived from four long-term monitoring locations across New Zealand: Auckland, Wellington, Dunedin and Lyttelton. We also report the trends over time, from the beginning of our records until 2018. Relative sea-level rise includes the vertical land...Created 2 February 2020 • Updated 3 May 2025 -
Marine Reserves
Ministry for the EnvironmentThe location and extent of Marine reserves (type 1 marine protected areas) in the territorial sea.Created 2 February 2020 • Updated 3 May 2025 -
River water quality: Nitrogen, state, 2016 - 2020
Ministry for the EnvironmentAdapted by Ministry for the Environment and Statistics New Zealand to provide for environmental reporting transparency. Dataset used to develop the “River water quality: Nitrogen” indicator, (available at https://www.stats.govt.nz/indicators/river-water-quality-nitrogen). Nitrogen in river waters is one of five parameters that provide an overview of New...Created 1 September 2022 • Updated 3 May 2025 -
Irrigated land area, 2017
Ministry for the EnvironmentIrrigation is used to support land use, particularly in areas with low or seasonal rainfall. Irrigation can improve the productivity of land for farming activity, and support amenity or recreational land uses within urban environments.Irrigation can also alter the natural character of our landscapes (eg change dry land to greener and wetter land), and can...Created 2 February 2020 • Updated 3 May 2025 -
Daily temperature, 1909 - 2019
Ministry for the EnvironmentDATA SOURCE: National Institute for Water and Atmospheric Research (NIWA) [Technical report available at https://www.mfe.govt.nz/publications/environmental-reporting/ministry-environment-atmosphere-and-climate-report-2020-updated] Adapted by Ministry for the Environment and Statistics New Zealand to provide for environmental reporting transparency This...Created 2 November 2020 • Updated 3 May 2025 -
NZ Coastal Hydrosystems
Ministry for the EnvironmentCoastal hydrosystems describe coastal features that span a gradient from near coast freshwater lakes/wetlands (lacustrine/palustrine environments) to marine. The term 'coastal hydrosystem' avoids the common error of referring to all such features as estuaries, mislabelling the numerous types that are non-estuarine and have different behavioural...Created 2 February 2020 • Updated 3 May 2025 -
Coastal sea level rise, state, to 2020
Ministry for the EnvironmentThis data set measures the rise in annual mean sea level relative to land referenced to the latest Intergovernmental Panel on Climate Change (IPCC) 1995 to 2014 baseline period mean sea level at four longer-term sites between 1901 and 2020: • Auckland • Wellington • Lyttelton • Dunedin and two additional sites with shorter time series: • Moturiki, Mount...Created 1 February 2024 • Updated 3 May 2025 -
Wetland area, 1996 - 2018
Ministry for the EnvironmentAdapted by Ministry for the Environment and Statistics New Zealand to provide for environmental reporting transparency. Dataset used to develop the "Wetland area" indicator (available at https://www.stats.govt.nz/indicators/wetland-area). This dataset measures change in wetland area in New Zealand from 1996 to 2018. We report on net change in wetland area...Created 1 September 2022 • Updated 3 May 2025 -
River water quality: Clarity and turbidity, state, 2016 - 2020
Ministry for the EnvironmentAdapted by Ministry for the Environment and Statistics New Zealand to provide for environmental reporting transparency. Dataset used to develop the "River water quality: clarity and turbidity" indicator (available at https://www.stats.govt.nz/indicators/river-water-quality-clarity-and-turbidity). This dataset contains two parameters of water quality based...Created 1 September 2022 • Updated 3 May 2025 -
Annual trends: Particulate matter 10 (PM10), particulate matter 2.5 (PM2.5),...
Ministry for the EnvironmentFor trends, sites needed to have at least six complete years between 2011 and 2020. For annual trends, a site could not have a gap in the time series longer tan four months. Annual trends between 2011 and 2020 for: - Particulate matter 10 (PM10) concentrations - Particulate matter 2.5 (PM2.5) concentrations - Nitrogen dioxide (NO2) concentrations -...Created 3 March 2024 • Updated 3 May 2025 -
River water quality, heavy metals, trend, 2011-2017
Ministry for the EnvironmentHeavy metals in river waters are an indicator of river water quality. We monitor a subset of rivers and streams in predominantly urban areas in Auckland, Wellington, and Christchurch, and look at how these values are changing over time. This indicator shows: trends in concentrations based on measurements made at monitoring sites during the seven-year...Created 2 May 2020 • Updated 3 May 2025 -
Resource consent applications 2014-15 to 2022-23
Ministry for the EnvironmentThe resource management consents dataset is compiled annually from data supplied by Local Authorities (Regional, Unitary, and Territorial Councils), by the Ministry for the Environment. It contains all resource consent applications or reviews granted, declined, found incomplete, returned or withdrawn by local authorities from 2014/15 to 2022/23.Created 3 July 2024 • Updated 3 May 2025 -
Lightning_GroundStrikes_by_Region
Ministry for the EnvironmentLightning is the discharge of electricity from thunderstorms. Ground strikes can cause significant damage to property and infrastructure, and injure or kill people and livestock. Lightning is often associated with other severe weather events, such as strong wind gusts. Thunderstorms may increase in frequency and intensity with climate change. This dataset...Created 2 February 2020 • Updated 3 May 2025