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  • An aerial view of a clear river winding through native New Zealand bush.
    Above and below the waters of the Queen Charlotte Sound, Marlborough, Aotearoa New Zealand.

    Bold Science. Deep Care. Thriving RiversLakesOceans.

    Mai i ngā maunga, ki te moana.

    About Cawthron Institute

    Cawthron Institute is Aotearoa New Zealand’s largest independent science organisation. We are driven by the belief that healthy rivers, lakes, oceans and people are deeply interconnected. Our ambition is to advance the sustainable use of marine and freshwater resources and deliver lasting benefits for the environment, the economy and our communities. 

    active research projects

    year legacy of delivering independent science

    staff members belonging to 47 different ethnic groups

    scientific publications in the past year

    of staff are female

    of staff are under the age of 40

    Science missions

    The challenges facing our marine and freshwater systems are urgent and interconnected. Biodiversity loss, climate change, food insecurity and growing demand for aquatic resources are reshaping the environments people and industries depend on. Our missions guide Cawthron’s response by defining the outcomes we are working towards and focusing our science where it can make the greatest difference.

    Cawthron researcher Roland Everleens electrofishing in the Maitai River, Nelson.

    Thriving Aquatic Ecosystems

    Enhancing marine and freshwater environments.

    Cawthron marine ecologist Maureen Ho conducting Caulerpa containment trials at Te Wero biocontainment facility.

    Managing Risk

    Protecting people, aquatic environments, and the economy from threats.

    Cawthron researchers deploying a scientific monitoring buoy in Tasman Bay, Nelson.

    Sustainable Blue Growth

    Unlocking the potential of ocean and freshwater resources.

    Support our science

    Our work across marine and freshwater ecosystems reflects the deep connections between the health of our rivers, lakes and oceans, and the wellbeing of people

    Your support helps Cawthron Institute build a future where people and nature thrive together.

    Cawthron marine ecologist Al Alder conducting a marine science outreach session with school students.