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

Atmospheric analysis

NIWA has been using advanced scientific instruments to measure atmospheric trace gases and isotopes for over 50 years.

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    Tools

    The tools available for restoring native fish to streams depend on what is causing fish to decline.
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    Identifying the problem

    Identifying the factors causing fish numbers to drop will allow you to determine which restoration tools you need to employ.
  • Chemical contamination and energy

    What are the potential sources of chemical contamination from energy generation activities?
  • Riparian vegetation and energy

    How do energy generation activities potentially impact riparian vegetation around a waterway?
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    Water take and energy

    How do energy generation activities potentially influence water flows?
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    Instream barriers and energy

    How do instream barriers as a result of energy generation activities potentially influence water resources?
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    Infectious substances, meat and dairy

    What are the sources of infectious substances from the meat and dairy processing industry?
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    Infectious substances and urbanisation

     
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    Infectious substances and agriculture

    What are the sources of infectious substances from agriculture?
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    Sustainable Aquaculture - Key Outcomes to June 2009

    Here we provide a detailed summary of key outcomes from the Sustainable Aquaculture programme to 30 June 2009.
  • High Performance Aquaculture Broodstock - Progress Update August 2010

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    High Value Aquaculture - Progress Update August 2010