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Software tools
NIWA develops and supplies custom software for environmental analysis and modelling. -
Fisheries stock assessments
To get the most benefit from a fish stock in the long term, we need to maximise our yield without damaging the fish population we rely on. -
The impact of El Niño and La Niña on New Zealand's climate
El Niño accounts for less than 25 percent of the year-to year variance in seasonal rainfall and temperature at most locations in New Zealand. -
Mitigation and best practice options
Here are some simple steps to minimise the effects of dairying on water quality and mahinga kai. -
What are whitebait?
Whitebait are the juveniles of five species of galaxiidae, a family of fish confined to the Southern Hemisphere. -
Tuna - habitat
Tuna are found in all sorts of habitats (places), including coastal estuaries, lakes, wetlands, rivers, mountain streams and even alpine tarns. -
Map N South
Education ResourceAs much of this climate zone is sheltered by high country to the west, south and in some areas to the east, it is the sunniest region of New Zealand. -
Charts
Publication seriesCharts of coastal bathymetry, sediment, and other information are available for purchase. -
Mountains in the Sea: the Louisville Seamount Chain
We are currently steaming out towards our survey area, the Louisville Seamount Chain, which is about 1500 km from Wellington. -
Manawatu-Wanganui
The climate of the Manawatu-Wanganui region is a reflection of the generally disturbed westerly air flow with interspersed anticyclones, modified in specific places by the local topography. -
Map South
Education ResourceMost of this climate zone is characterised by cool coastal breezes, and absence of shelter from the unsettled weather that moves over the sea from the south and southwest.