On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Impacts of horticultural activities

Impacts of horticulture on water quality and mahinga kai.

Impacts of horticulture on water quality and mahinga kai.

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    Mitigation and best practice options

    Some simple steps to minimise the effects of horticultural activities on water quality and mahinga kai are outlined below.
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    Chemical contamination and horticulture

    What are the potential sources of chemical contamination from horticulture activities?
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    Nutrients and horticulture

    What are the potential sources of nutrients from horticultural activities?
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    Water resources and horticulture

    How do horticultural activities potentially influence water flows?