Atmospheric analysis | Earth Sciences New Zealand | NIWA

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

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Rainfall Mar-Apr-May
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Rainfall Jun-Jul-Aug
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Rainfall Jan-Feb-Mar
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Rainfall Jul-Aug-Sep
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Rainfall Feb-Mar-Apr
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Rainfall Dec-Jan-Feb
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Rainfall Aug-Sep-Oct
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Rainfall Apr-May-Jun
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North of the North Island
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Reintroducing giant kōkopu to Nukumea Stream

Research Project

The giant kōkopu is a native whitebait species considered rare and vulnerable. NIWA is working with Mahurangi Technical Institute and environmental consultancy Boffa Miskell to test the feasibility of reintroducing giant kōkopu to Nukumea Stream, north of Auckland.

Fisheries

Freshwater fish

Freshwater restoration
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NZ scientists learn lessons from Samoa tsunami

News article

04 December 2009
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Restoration of seagrass beds in Whangarei Harbour

Research Project

Seagrass beds form an important undersea habitat for small fish, seahorses and shellfish in New Zealand.

Benthic habitats

Coasts