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

Tuna - case studies

Showcasing tuna research and restoration initiatives being undertaken around New Zealand.

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    Lake Ōmāpere and the Utakura River

    Tuna harvested from Lake Ōmāpere and Utakura River catchment have long comprised an important fishery for tangata whenua.