On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

  • Kaitiaki Tools

    Service
    Easing the resource consent process
  • Mahinga kai - what species interests you?

    In Kaitiaki Tools the term mahinga kai generally refers to indigenous freshwater species that have traditionally been used as food, tools, or other resources.
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    Tuna - customary fisheries

    Māori have an extensive knowledge of the ecology of freshwater eels, and have maintained their customary fisheries for several centuries.
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    Exploration sector

    Hydrocarbons, although requiring increasingly responsible use, are still an essential part of our modern economy. NIWA has provided survey and consultancy services related to the exploration of offshore mineral resources for thirty years.
  • LakeSPI diver

    LakeSPI: Keeping tabs on lake health

    Software Tool/Resource
    The condition of many NZ lakes is under threat from land-use changes and the invasion of alien aquatic plants.
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    Meteorologist for a day

    Within a range of meaningful contexts students will be able to make statements about implications and possible actions consistent with the results of a statistical investigation and to find and authenticate data measures such as mean, median, mode, inter-quartile range, and range.
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    Mean daily minimum temperatures (°C)

    These datasets are available in a range of formats.
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    Seafood sector

    NIWA's seafood sector work comprises our fish, fisheries and aquaculture research and consultancy.
  • Development of sustainable water supply and treatment systems for a coastal Fijian village

    Research Project
    This collaborative NZaid project worked with coastal Fijian villagers at Votua on the Coral Coast of Viti Levu to develop pragmatic water supply and waste treatment solutions to protect public health and reduce contamination of coastal waters.
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    Coralline Algae

    This identification guide covers the common crustose coralline algae found in central New Zealand.
  • Otago

    The climate of Otago is perhaps the most diverse of any region in New Zealand.
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    Tuna - diet

    Longfin eels are the largest and longest-lived fish in New Zealand's freshwaters, and where they are present they are the top predator.