907 datasets found

  • Marine Environment Classification EEZ 40 Classes (2010)

    Ministry for the Environment
    The Marine Environment Classification (MEC), a GIS-based environmental classification of the marine environment of the New Zealand region, is an ecosystem-based spatial framework designed for marine management purposes. Several spatially-explicit data layers describing the physical environment define the MEC. A physically-based classification was chosen...
    Created 3 May 2018 • Updated 8 August 2019

  • Nitrogen leached from soil, total, 1990-2012

    Ministry for the Environment
    Nitrogen is an essential nutrient for plant growth. It occurs naturally in the environment but is added in agricultural processes (typically as fertiliser) to boost production. Although much of the applied nitrogen is taken up by plants, livestock waste returns a considerable amount to the soil. Nitrate formed from this waste easily drains (leaches) from...
    Created 3 May 2018 • Updated 8 August 2019

  • Land use - Land cover classes, 1996, 2001, 2008, and 2012

    Ministry for the Environment
    Land use that results in a change from indigenous to exotic cover can cause biodiversity loss and reduce functioning of ecosystems. Using more land for agriculture, forestry, and urbanisation is the main driver reducing indigenous land cover across New Zealand. Column headings: area_ha = area of land cover measured in hectares This dataset relates to the...
    Created 3 May 2018 • Updated 8 August 2019

  • River Environment Classification Canterbury (2010)

    Ministry for the Environment
    The New Zealand River Environment Classification (REC) organises information about the physical characteristics of New Zealand's rivers. Individual river sections are mapped according to physical factors such as climate, source of flow for the river water, topography, and geology, and catchment land cover eg, forest, pasture or urban. Sections of river...
    Created 3 May 2018 • Updated 8 August 2019

  • River Environment Classification Waikato (2010)

    Ministry for the Environment
    The New Zealand River Environment Classification (REC) organises information about the physical characteristics of New Zealand's rivers. Individual river sections are mapped according to physical factors such as climate, source of flow for the river water, topography, and geology, and catchment land cover eg, forest, pasture or urban. Sections of river...
    Created 3 May 2018 • Updated 8 August 2019

  • Location and extent of NZ's aquifers, 2015

    Ministry for the Environment
    "A unit of rock or sediment is called an aquifer when it can yield a usable quantity of water. Aquifers may occur at different depths in the same location. The map shows the areas of New Zealand’s land surface above one or more aquifers. The aquifer boundaries were described by White (2001), and some boundaries were updated by Moreau and Bekele (2015),...
    Created 3 May 2018 • Updated 8 August 2019

  • River Environment Classification Catchment Order 8 (2010)

    Ministry for the Environment
    The 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 3 May 2018 • Updated 8 August 2019

  • River water quality, raw data by NRWQN site, 1989-2013

    Ministry for the Environment
    River water quality water is valued for many reasons including ecological function and habitat, recreational value, its role in supporting people and industry, and its cultural significance. Nutrients such as nitrogen and phosphorus are essential for plant growth, however too much can lead to ‘nuisance’ growths of river algae and aquatic plants, degrading...
    Created 3 May 2018 • Updated 8 August 2019

  • Natural river flow statistics, predicted for all river reaches

    Ministry for the Environment
    River flow is the quantity of water passing a point over a certain time. Each river or stream has its own natural flow characteristics, such as peak flows following rain or high spring flows from snow melt. Overall, this affects how much water is available for irrigation, drinking water, hydroelectricity generation, and recreational activities. River...
    Created 3 May 2018 • Updated 8 August 2019

  • River Environment Classification Wellington (2010)

    Ministry for the Environment
    The New Zealand River Environment Classification (REC) organises information about the physical characteristics of New Zealand's rivers. Individual river sections are mapped according to physical factors such as climate, source of flow for the river water, topography, and geology, and catchment land cover eg, forest, pasture or urban. Sections of river...
    Created 3 May 2018 • Updated 8 August 2019

  • Average annual rainfall, 1972–2013

    Ministry for the Environment
    Annual rainfall is the total accumulated rain over one year. Rain is vital for life, including plant growth, drinking water, river ecosystem health, and sanitation. Floods and droughts affect our environment, economy, and recreational opportunities. This dataset shows annual average rainfall across New Zealand for years 1972 to 2013. Annual rainfall is...
    Created 3 May 2018 • Updated 8 August 2019

  • River flows

    Ministry for the Environment
    "River flow refers to the quantity of water passing a point in the river over a certain amount of time. Different rivers have different flow patterns, such as sharp peak flows following rain with low flows in between, or high spring flows from snow melt. These flow characteristics affect how much water is available for irrigation, drinking water,...
    Created 3 May 2018 • Updated 8 August 2019

  • River Environment Classification Catchment Order 7 (2010)

    Ministry for the Environment
    The 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 3 May 2018 • Updated 8 August 2019

  • River Environment Classification Catchment Order 3 (2010)

    Ministry for the Environment
    The 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 3 May 2018 • Updated 8 August 2019

  • River Environment Classification Catchment Order 2 (2010)

    Ministry for the Environment
    The 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 3 May 2018 • Updated 8 August 2019

  • River Environment Classification Catchment Order 1 (2010)

    Ministry for the Environment
    The 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 3 May 2018 • Updated 8 August 2019

  • River Environment Classification Catchment Order 6 (2010)

    Ministry for the Environment
    The 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 3 May 2018 • Updated 8 August 2019

  • River Environment Classification Catchment Order 5 (2010)

    Ministry for the Environment
    The 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 3 May 2018 • Updated 8 August 2019

  • River Environment Classification New Zealand (2010)

    Ministry for the Environment
    The New Zealand River Environment Classification (REC) organises information about the physical characteristics of New Zealand's rivers. Individual river sections are mapped according to physical factors such as climate, source of flow for the river water, topography, and geology, and catchment land cover eg, forest, pasture or urban. Sections of river...
    Created 3 May 2018 • Updated 8 August 2019

  • River Environment Classification Catchment Order 4 (2010)

    Ministry for the Environment
    The 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 3 May 2018 • Updated 8 August 2019
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