Catchments

NIWA develops the knowledge and tools to inform decision makers about aquatic ecosystems and the impact of human activity in New Zealand’s rivers, estuaries and oceans.

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    Keeping tabs on muddy waters

    Feature story
    11 February 2021
    Sam Fraser-Baxter heads out with a NIWA research team keeping a close eye on these vulnerable transition zones.
    Catchments
    Estuaries
    Sediments

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    The Whatawhata Integrated Catchment Management Project

    Research Project
    The Whatawhata Integrated Catchment Management (ICM) Project is the longest continuously monitored before-after-control-impact (BACI) catchment-scale study in New Zealand.
    Catchments
    Freshwater