Coasts

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

  • Gold_clam_bannerMiddle.png

    Stopping the gold clam: it's now or never

    A NIWA-led programme to develop effective, and culturally-attuned strategies for managing the freshwater gold clam.
  • Marine heatwaves

    Research Project
    Temperatures around Aotearoa New Zealand are increasing, and not just on land. Amid a changing climate, significant marine heatwaves have impacted Aotearoa over the past decade and are expected to become more frequent and intense.
  • Marine biosecurity

    Service
    Introduced pests and diseases can harm the health of Aotearoa New Zealand's marine ecosystems, our seafood industry, and the social and cultural benefits that we derive from the sea.
  • Extreme coastal flood maps for Aotearoa New Zealand

    Service
    Decisions about how we adapt to sea-level rise need to be based on information about our exposure to coastal flooding.
  • Seabed 2030

    Research Project
    NIWA is leading a New Zealand partnership to map the South and West Pacific Ocean's seabed as part of a worldwide initiative to map the entire globe’s seafloor.
  • Ngā Waihotanga Iho - The Estuary Monitoring Toolkit

    Software Tool/Resource
    The main purpose of Ngā Waihotanga Iho is to provide tools for the public to measure environmental changes that occur in estuaries over time. These changes may occur due to natural processes and/or human activities.
  • Restoration of aquatic ecosystems

    Research Project
    This project aims to increase our knowledge of aquatic ecosystems and their restoration, and apply this to degraded streams, rivers, lakes and estuaries.
  • Koi

    Innovative Methods in Tackling Pest Fish: The Power of Sound and Light

    Publication article
    Could bubbles and strobe lights stop pest fish swimming where they’re not wanted?
  • Race Against Time: Tackling the Invasive Gold Clam

    Publication article
    NIWA and partners launch critical research to stop an invasive clam threatening New Zealand's freshwater ecosystem.
  • Staff Profile Clare Wilkinson

    Publication article
    Introducing NIWA sediment transport scientist Clare Wilkinson.
  • Tamaki Drive Auckland Flooding

    Storm-tide red-alert days 2025

    Service
    Storm-tide red alerts mark the highest king tides, crucial for emergency and coastal hazard managers to monitor.
  • hazards-game_homepage_fill_icon

    Future Coasts multi-hazards game

    Research Project
    A serious game simulating a coastal lowland scenario under climate change to support adaptation decision-making and community engagement.