Oceans

NIWA aims to provide the knowledge needed for the sound environmental management of our marine resources.

  • Microplastics: a deeper problem than we thought?

    There is increasing global concern about the presence of plastic pollution in our oceans.
  • Tropical seafloor secrets revealed

    Media release
    NIWA scientists and Toitū Te Whenua Land Information New Zealand (LINZ) have used satellite technology to chart the Cook Islands’ seafloor in never-before-seen detail. The work was done as part of Seabed 2030 - a collaborative project to produce a definitive map of the world ocean floor by 2030.
  • A robot sea craft helps count fish

    A six-metre-long autonomous vessel is equipped with artificial intelligence and a range of data gathering equipment, including a battery powered echosounder that can estimate the size of fish populations.
  • Cutting-edge AI sea craft helping scientists count fish

    Media release
    A robot sea craft is the latest tool NIWA scientists are using to help them count fish.
  • 2022 - Chatham Trawl Survey

    Voyage
    The NIWA research ship Tangaroa was chartered by the Ministry of Primary Industries to survey the hoki fishery on the Chatham Rise during January 2022.
  • Mapping the oceans through citizen science

    The Seabed 2030 South and West Pacific Ocean Data Center is one of four global Regional Centres, each being responsible for data gathering and mapping in their territory.
  • Exploring deep-sea oases

    Deep below the ocean surface, life thrives in a world once thought to be inhospitable.
  • Seabed 2030

    Did you know NIWA is leading a NZ partnership in a worldwide initiative to map the entire globe’s seafloor? Found out more about the Seabed 2030 initiative.
  • Will it be a fintastic fishing year?

    Feature story
    A marine heatwave is happening all around New Zealand. Warmer waters are more pleasant for swimming in and can create wilder weather. But what do they mean for fishing? Let’s dive into the science behind getting a good catch.
  • Studying a fragile and alien icy world

    Feature story
    NIWA scientists are doing what no others have done before. In a mysterious world just below the Antarctic ice, a delicate web of ice crystals forms a habitat that’s unique and largely unknown. Until now…
  • Rewilding green-lipped mussels

    Feature story
    Local marine farmers, scientists and iwi have joined forces to turn the fate of wild mussels around.
  • Our seas are sizzling again

    Media release
    Coastal sea temperatures around Aotearoa New Zealand have risen well above average, NIWA forecasters say.