Freshwater restoration

NIWA measurement, research and tools support strategies being used to reverse the degradation of freshwaters and restore ecosystems throughout New Zealand.

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    Stream restoration for aquatic invertebrates

    Research Project
    Streams play a key role in the ecosystems of New Zealand’s unique landscape. They feed and link together freshwater sources, maintain good water quality and support habitats that sustain our biodiversity.
    Freshwater invertebrates
    Freshwater restoration

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    Reintroducing giant kōkopu to Nukumea Stream

    Research Project
    The giant kōkopu is a native whitebait species considered rare and vulnerable. NIWA is working with Mahurangi Technical Institute and environmental consultancy Boffa Miskell to test the feasibility of reintroducing giant kōkopu to Nukumea Stream, north of Auckland.
    Fisheries
    Freshwater fish
    Freshwater restoration

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    Restoring Kōaro in the Rotorua lakes

    Research Project
    The kōaro was once abundant in the Te Arawa lakes near Rotorua in New Zealand’s North Island. NIWA has assessed the viability of restoring this species in the region.
    Fisheries
    Freshwater fish
    Freshwater restoration