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Tonga eruption confirmed as largest ever recorded
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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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Open wide: snapper teeth secrets
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12 May 2023
NIWA and University of Auckland masters student Georgia Third is getting up close and personal with snapper guts and teeth to understand the differences between biologically distinct snapper populations in New Zealand.
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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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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 Drought Index (NZDI) - 29/10/2023
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New Zealand Drought Index (NZDI) - 29/10/2023
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New Zealand Drought Index (NZDI) - 29 Oct 2023 [NIWA].
Climate and weather
