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  • Annual sea surface temperature difference from normal, 1995

    Ministry for the Environment
    The ocean waters surrounding New Zealand vary in temperature from north to south. They interact with heat and moisture in the atmosphere and affect our weather. Long-term changes and short-term variability in sea-surface temperatures can affect marine processes, habitats, and species. Some species may find it hard to survive in changing environmental...
    Created 2 February 2020 Updated 3 March 2025
  • Annual rainfall Units: percentage of normal, 2009

    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 layer shows the annual rainfall as a percentage of normal across New Zealand for 2009 as part of the...
    Created 2 February 2020 Updated 3 March 2025
  • Sunshine hours 2012

    Ministry for the Environment
    "Sunshine is important for our health and recreation, and for the environment. It is also important for our agriculture-based economy, for example, for plant growth. This layer shows annual sunshine hours across New Zealand for 2012 as part of the data series for years 1972 to 2013. Data is for a calendar year (January-December). The National Institute of...
    Created 2 February 2020 Updated 3 March 2025
  • Recruitment of indigenous tree sp hūpiro 2002–2014

    Ministry for the Environment
    "The rates of establishment (recruitment) of indigenous tree species vary across New Zealand. Changes in the state of the environment (such as from browsing pests, large-scale weather events, or climate change) may change the rates of recruitment of particular tree species. This in turn may alter forest processes. Repeated surveys of the distribution of...
    Created 2 February 2020 Updated 3 March 2025
  • Growing season soil moisture deficit, 2010-2011

    Ministry for the Environment
    Soil moisture is important for plant growth. A lack of moisture content over a growing season is a good indicator of drought, which can have social, environmental, and economic impacts. Increasing temperatures and changes in rainfall patterns are expected to increase the frequency and intensity of drought in many regions. Growing season soil moisture...
    Created 2 February 2020 Updated 3 March 2025
  • Annual sea surface temperature difference from normal, 2010

    Ministry for the Environment
    "The ocean waters surrounding New Zealand vary in temperature from north to south. They interact with heat and moisture in the atmosphere and affect our weather. Long-term changes and short-term variability in sea-surface temperatures can affect marine processes, habitats, and species. Some species may find it hard to survive in changing environmental...
    Created 2 February 2020 Updated 3 March 2025
  • Units: percentage of normal sunshine hours 2008

    Ministry for the Environment
    "Sunshine is important for our health and recreation, and for the environment. It is also important for our agriculture-based economy, for example, for plant growth. This layer shows percentage of normal sunshine hours across New Zealand for 2008 as part of the data series for years 1972 to 2013. Data is for a calendar year (January–December). The...
    Created 2 February 2020 Updated 3 March 2025
  • Sunshine hours 2008

    Ministry for the Environment
    "Sunshine is important for our health and recreation, and for the environment. It is also important for our agriculture-based economy, for example, for plant growth. This layer shows annual sunshine hours across New Zealand for 2008 as part of the data series for years 1972 to 2013. Data is for a calendar year (January-December). The National Institute of...
    Created 2 February 2020 Updated 3 March 2025
  • Recruitment of indigenous tree sp mountain horopito 2002–2014

    Ministry for the Environment
    "The rates of establishment (recruitment) of indigenous tree species vary across New Zealand. Changes in the state of the environment (such as from browsing pests, large-scale weather events, or climate change) may change the rates of recruitment of particular tree species. This in turn may alter forest processes. Repeated surveys of the distribution of...
    Created 2 February 2020 Updated 3 March 2025
  • Freshwater pests: Canadian pondweed

    Ministry for the Environment
    "Freshwater plant and animal pests can have significant negative impacts on ecosystem health by reducing indigenous biodiversity through predation and competition, and destabilising aquatic habitats. Freshwater plant pests can cause economic losses through blocking water intakes for hydroelectricity generation, impeded drainage or irrigation. In addition,...
    Created 2 February 2020 Updated 3 March 2025
  • Standardised soil moisture deficit 2001-2002

    Ministry for the Environment
    Soil moisture is important for plant growth. A lack of moisture content over a growing season is a good indicator of drought, which can have social, environmental, and economic impacts. Increasing temperatures and changes in rainfall patterns are expected to increase the frequency and intensity of drought in many regions. Growing season soil moisture...
    Created 2 February 2020 Updated 3 March 2025
  • Sunshine hours 1995

    Ministry for the Environment
    "Sunshine is important for our health and recreation, and for the environment. It is also important for our agriculture-based economy, for example, for plant growth. This layer shows annual sunshine hours across New Zealand for 1995 as part of the data series for years 1972 to 2013. Data is for a calendar year (January-December). The National Institute of...
    Created 2 February 2020 Updated 3 March 2025
  • Standardised soil moisture deficit 2005-2006

    Ministry for the Environment
    Soil moisture is important for plant growth. A lack of moisture content over a growing season is a good indicator of drought, which can have social, environmental, and economic impacts. Increasing temperatures and changes in rainfall patterns are expected to increase the frequency and intensity of drought in many regions. Growing season soil moisture...
    Created 2 February 2020 Updated 3 March 2025
  • Standardised soil moisture deficit 1995-1996

    Ministry for the Environment
    Soil moisture is important for plant growth. A lack of moisture content over a growing season is a good indicator of drought, which can have social, environmental, and economic impacts. Increasing temperatures and changes in rainfall patterns are expected to increase the frequency and intensity of drought in many regions. Growing season soil moisture...
    Created 2 February 2020 Updated 3 March 2025
  • Freshwater pests: Gypsywort

    Ministry for the Environment
    Freshwater plant and animal pests can have significant negative impacts on ecosystem health by reducing indigenous biodiversity through predation and competition, and destabilising aquatic habitats. Freshwater plant pests can cause economic losses through blocking water intakes for hydroelectricity generation, impeded drainage or irrigation. In addition,...
    Created 2 February 2020 Updated 3 March 2025
  • Freshwater pests: Bladderwort

    Ministry for the Environment
    "Freshwater plant and animal pests can have significant negative impacts on ecosystem health by reducing indigenous biodiversity through predation and competition, and destabilising aquatic habitats. Freshwater plant pests can cause economic losses through blocking water intakes for hydroelectricity generation, impeded drainage or irrigation. In addition,...
    Created 2 February 2020 Updated 3 March 2025
  • Freshwater pests: Arrowhead

    Ministry for the Environment
    "Freshwater plant and animal pests can have significant negative impacts on ecosystem health by reducing indigenous biodiversity through predation and competition, and destabilising aquatic habitats. Freshwater plant pests can cause economic losses through blocking water intakes for hydroelectricity generation, impeded drainage or irrigation. In addition,...
    Created 2 February 2020 Updated 3 March 2025
  • Freshwater pests: Californian bulrush

    Ministry for the Environment
    "Freshwater plant and animal pests can have significant negative impacts on ecosystem health by reducing indigenous biodiversity through predation and competition, and destabilising aquatic habitats. Freshwater plant pests can cause economic losses through blocking water intakes for hydroelectricity generation, impeded drainage or irrigation. In addition,...
    Created 2 February 2020 Updated 3 March 2025
  • Annual rainfall Units: percentage of normal, 1984

    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 layer shows the annual rainfall as a percentage of normal across New Zealand for 1984 as part of the...
    Created 2 February 2020 Updated 3 March 2025
  • Units: percentage of normal sunshine hours 1988

    Ministry for the Environment
    "Sunshine is important for our health and recreation, and for the environment. It is also important for our agriculture-based economy, for example, for plant growth. This layer shows percentage of normal sunshine hours across New Zealand for 1988 as part of the data series for years 1972 to 2013. Data is for a calendar year (January–December). The...
    Created 2 February 2020 Updated 3 March 2025