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10 May 2023
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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
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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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14 May 2024
Kaharoa II sets the standard of excellence for marine research vessels
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06 February 2023
Downloadable and printable guides on identification of common freshwater invertebrates found in New Zealand waterways and lakes.
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19 January 2023
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30 January 2023
NIWA will be determining the impact of fisheries on the aquatic environment. This will inform an ecosystem-based approach to fisheries management and the development methods to mitigate this impact.
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New Zealand worst underwater weeds
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New Zealand worst underwater weeds
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Figure 1: New Zealand worst underwater weeds.
