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New Zealand’s Waihī Estuary, renamed Te Heriheri, is restored to ecological health through a Māori-led project, ending pollution and reviving native habitats and cultural use.
The Waihī Estuary in New Zealand’s Bay of Plenty has been restored and renamed Te Heriheri in a major iwi-led project.
Over 30 hectares of dairy farmland were converted into wetland and salt marsh, 160,000 native plants were planted, and 16 kilometers of waterways were fenced to reduce pollution.
The effort, funded by regional councils and the Ministry for the Environment, addresses high levels of nitrogen, phosphorus, and E. coli that made the estuary unsafe for swimming or shellfish harvesting.
Using traditional Māori ecological knowledge, the project identified significantly more shellfish habitats than standard surveys.
A new pump station was commissioned, and a ceremony marked the completion of the work, which is expected to conclude in June 2026.
The restoration aims to revive both ecological health and cultural heritage tied to the area’s history as a seasonal gathering site.
El estuario Waihī de Nueva Zelanda, renombrado Te Heriheri, se restaura a la salud ecológica a través de un proyecto liderado por Māori, poniendo fin a la contaminación y reviviendo hábitats nativos y uso cultural.