Atmospheric analysis

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

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    Our Far South

    Voyage
    Our Far South: Beyond Stewart Island was a month-long voyage around Antarctica and the sub-Antarctic islands in 2012, organised by economist and investor Gareth Morgan.
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    Supergiant amphipods discovered 7 kilometres deep

    News article
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    Ship sounds act as magnets to hull-fouling organisms

    News article
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    Tuna - public databases

    There are a number of nationally available resources for the New Zealand public, institutions and companies who need access to well-maintained long-term data repositories. Some of these resources are listed here.
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    Tuna - solutions: downstream passage for adult migrants at large barriers

    Once eels reach sexual maturity they begin their downstream migration.
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    Tuna - population concerns

    As eels only spawn once before death, they require different management to other fish.
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    Tuna - Aquaculture

    On a global scale, market demand for eels as a foodstuff is high and declines in wild eel production mean that aquaculture is being put forward as a potential provider.
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    Tuna - customary fisheries regulations

    Tangata whenua in the North and Chatham Islands may customarily fish under Regulation 27A, Fisheries (Amateur Fishing) Regulations 1986 in areas that are not yet covered by the Fisheries (Kaimoana Customary Fishing) Regulations 1998.
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    Tuna - willow as habitat for tuna

    From about the 1840s, willows (Salix spp.) were introduced to New Zealand by early settlers.
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    Summer Series 2012

    This is a special series of stories put out to the media in the 2011/2012 summer.
  • Lake Brunner water quality

    Research Project
    A project funded by West Coast Regional Council has increased our knowledge of the role of phosphorus in determining water quality in Lake Brunner.
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    In search of the giant kokopu