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

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    Impacts of water dams

    What are the impacts of water dams on water quality and mahinga kai?
  • Multibeam, seabed mapping, swath, Tangaroa

    Multibeam swath system

    Hull-mounted on the RV Tangaroa, the EM302 multibeam echosounder maps the seafloor using a fan of 288 acoustic beams, producing up to 864 soundings per ping in dual swath mode, providing 100% coverage of the seabed.
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    Tuna - freshwater eels in New Zealand

    Tuna is a generic Māori word for freshwater eels. The word will be used interchangeably in this resource.
  • Biogas from pig farms

    Research Project
    Biogas from pig farms
  • Careers - FAQs

    A list of some of the questions we get asked most frequently. If you don't see your question answered here, please get in touch.
  • Farming and the primary sector

    Farmers are making business decisions everyday which are influenced by environmental factors. We can help farmers to improve decision-making, mitigate farm environment risk, and to become more productive, efficient, competitive and sustainable.
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    Resources

    Understanding climate and climate change.
  • 2019/2020 Blake Ambassadors

    Internships

     
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    Mitigation and best practice options

    Some simple steps to minimise the effects of wastewater on water quality and mahinga kai.
  • Common hydrological terms

    Education Resource
    Descriptions of the common terms that explain the processes that occur in hydrology.