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What are whitebait?
Whitebait are the juveniles of five species of galaxiidae, a family of fish confined to the Southern Hemisphere. -
Tuna - glass eels
Glass eels (about 5.5 to 7.0 cm) arrive in fresh water during spring, especially during September and October, although they may be present from July to December. -
Summer Series 8: The forces behind beach ‘foam’
News article06 June 2017 -
What is ocean acidification?
Education ResourceOcean acidification is the name given to the lowering of pH of the oceans as a result of increasing carbon dioxide (CO2) in the atmosphere. -
Climate Change Vulnerability Assessment (CCVA)
ServiceTo prepare for changes in climate, our freshwater and oceans decision-makers need information on species vulnerability to climate change. -
Canterbury Wave Conditions
Software Tool/ResourceNIWA run a computer model which simulates wave heights across the Canterbury continental shelf and along the coast. -
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. -
New Zealand's Marine Realm
News article06 June 2017NIWA has transformed 1.5 million square kilometres of data into the most accurate and detailed map yet of the land underneath the sea around New Zealand. -
New map reveals New Zealand’s seafloor in stunning detail
News article06 June 2017