Coasts

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

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    Small sea-level rises to drive more intense flooding, say scientists

    Media release
    A little can mean a lot – especially when it comes to the relationship between sea level rise and coastal flooding.
  • Tubeworm discovery in Hauraki Gulf cause for celebration

    Media release
    Scientists mapping the Hauraki Gulf seafloor have discovered huge colonies of tubeworms up to 1.5 metres high and collectively covering hundreds of metres providing vital habitats for plants and animals.
  • The world's most mysterious fish

  • Unlocking the mysterious marine life of eels

    Feature story
    Tiny, translucent eels may hold the answers to one of the fish world’s great mysteries. Zen Gregor investigates.
  • Epic spiny red rock lobster

    Feature story
    Sam Fraser-Baxter heads to the Wairarapa for one of New Zealand’s longest-running marine surveys – counting baby lobster.
  • Scientist pieces together details of underwater landslides

    Media release
    New information about landslides that occur on the seafloor off New Zealand’s east coast will help scientists better understand why and where they happen, and the types of threats they pose.
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    ‘Blooming heck’ - Microalgae feature in latest biodiversity memoir

    Feature story
    A group of microscopic algae that form vast aquamarine blooms off the east coast is the subject of NIWA’s latest Biodiversity Memoir
  • Leopard seal Owha injured in Auckland Harbour

    Media release
    Researchers are keeping a close eye on Owha, the leopard seal that has made Auckland Harbour her home, after she was seen bleeding from her face on Saturday morning.
  • Planning an ocean observation network

    Media release
    New Zealand’s changing ocean environment has prompted the call to develop a system that will keep closer tabs on information from scientific monitoring buoys so the data they produce can be shared as widely as possible.
  • Methane seep research bubbling along

    Media release
    A chance discovery off the Gisborne coast five years ago is prompting a NIWA scientist to find out more about the link between a field of methane seeps bubbling out of the sea floor and submarine landslides.
  • New reports highlight flood risk under climate change

    Media release
    Two reports released today by NIWA and the Deep South National Science Challenge reveal new information about how many New Zealanders, how many buildings and how much infrastructure could be affected by extreme river and coastal flooding from storms and sea-level rise.
  • Eyeless worm a window into our diverse ocean

    Media release
    A worm that feeds on bacteria and has no eyes is one of the standout stars of almost 600 unfamiliar and potentially new ocean species identified at NIWA in the past year.