Oceans

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

  • Researchers to unveil Antarctic secrets

    Media release
    As New Zealanders search for the summer sun, 38 researchers and crew will board RV Tangaroa tomorrow for a six-week science voyage deep into the waters of Antarctica.
  • Reducing the impact on Hawke’s Bay’s marine environment

    News article
    A study investigating the level of change needed to improve the state of Hawke’s Bay’s marine environment highlights the magnitude and frequency of interventions required for the seafloor ecosystem to recover.
  • eDNA research and services

    Service
    NIWA is active in a broad range of eDNA topics and can provide expert advice on applications and expected outcomes. We welcome inquiries into our services and can assist with experimental design.
  • Making big waves in the Pacific

    Feature story
    Prior to 15 January, Hunga Tonga-Hunga Ha'apai was a little-known undersea South Pacific volcano with a long name. Within 24 hours, it  was a global phenomenon – the site of the largest atmospheric explosion in almost 150 years. Jessica Rowley looks at why a remote Tongan volcano took the world by storm.
  • New research indicates careful fish handling helps support sustainable fisheries

    News article
    The initial data on the survival rates of snapper that are caught and then released, suggests careful handling could help fishers save hundreds of thousands of fish per year.
  • Marine heatwave developing

    Media release
    Coastal waters around Aotearoa New Zealand became unusually warm last month, say NIWA.
  • Chinese and New Zealand Scientists dive to one of the ocean's deepest regions

    Media release
    A New Zealand scientist and a submersible pilot from China have become the first women to dive to Scholl Deep in the Kermadec Trench, 10 km below sea level.
  • Tonga eruption confirmed as largest ever recorded

    Media release
    A New Zealand-led team has completed the fullest investigation to date into January’s eruption of the underwater Tongan volcano.
  • Discovery of over a dozen new sponge species

    Media release
    In the latest NIWA Biodiversity Memoir, researchers examined and registered over 250 sponge specimens in the family Latrunculiidae, discovering 14 new species and 1 new fossil species.
  • Climate change experts tour New Zealand’s coastal wetlands

    Media release
    A group of international scientists are visiting some of New Zealand’s most significant coastal wetlands as part of a five-year research project to help the country adapt and prepare for sea-level rise.
  • Taonga Species Series: Tuangi

    Feature story
    What does science tell us about New Zealand cockles?
  • Understanding the threat of sea level rise to NZ’s wetlands

    Media release
    Specialised monitoring equipment has been installed in Bay of Plenty estuaries to understand whether our coastal wetlands can survive the threat of inevitable sea-level rise.