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MethaneSAT

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10 May 2023

Detecting and quantifying methane emissions by satellite
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Understanding our variable and changing climate is critical for managing resources and reducing risks.

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NIWA can help you leverage updated climate projections

Service

29 August 2024

NIWA is using updated climate projections to help New Zealanders better understand climate-related risks.
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Tonga eruption confirmed as largest ever recorded

Media release

21 November 2022

A New Zealand-led team has completed the fullest investigation to date into January’s eruption of the underwater Tongan volcano.
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Ross Sea “ACTUATE” Voyage 2025

RV Tangaroa voyage to the Ross Sea, the ship’s 16th voyage to Antarctica and Southern Ocean.
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Education Resource

06 February 2023

Downloadable and printable guides on identification of common freshwater invertebrates found in New Zealand waterways and lakes.
Te Kūwaha

Te Kūwaha

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Te Kūwaha Graduate Programme

19 January 2023

NIWA’s Te Kūwaha Graduate Internship programme has been established to help support and create tangible pathways for the next generation of Māori researchers.
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We provide applied science and environmental consultancy services to support international development. NIWA works collaboratively with Pacific partners to support the sustainable management and resilience of natural resources, environments & communities.

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Island Climate Update

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06 June 2017

A monthly summary of the climate in the tropical South Pacific islands, with an outlook for the coming months.

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Tuna/Eels

Images from the Tuna Information Resource.

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Tuna/Eels

Images from the Tuna Information Resource.

http://www.niwa.co.nz/te-kuwaha/tuna-information-resource

Elvers climbing up a damp rocky surface
Elver climbing up a weir
Elvers climbing the wall of a trap and transfer facility
Elvers and juvenile eels in a trap and transfer facility at Karapiro Dam
Good habitats for eels
A female koura with eggs
Stonefly larvae
Koura
Stony-cased caddis
Toe-biter
Potamopyrgus
Joshua Smith and Shane Grayling with a longfin female
Don Jellyman picking up female longfin tuna
Eel gonad development
Migrant shortfin male and female tuna
Female tuna gonad
Male tuna gonad
Otolith from 17 year old longfin eel
Longfin eel otolith, Hak Bush, age 15
Longfin eel otolith, Lake Matahina, age 20

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