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Stream Health Monitoring and Assessment Kit
ServiceHow healthy is your stream? SHMAK - the New Zealand Stream Health Monitoring and Assessment Kit - has been designed to help you find out. -
Toitoi
One of the most common species of freshwater fish in Aotearoa is the common bully or toitoi. -
El Niño maps and charts
View a collection of maps showing the impact of past El Niño and La Niña events. -
New Zealand bathymetry - Further information
Technical information about our datasets and methodology along with related resources. -
New Zealand rushes (Juncus): factsheets and key
New Zealand rushes (Juncus): species-level factsheets. -
Educational Resources
Education ResourceProviding educational resources to school students and teachers is part of NIWA's commitment to helping young New Zealanders discover more about science and technology. -
Map E North
Education ResourceSheltered by high country to the west, the eastern zone of the North Island enjoys a dry, sunny climate. -
Droughts
Generally speaking, a drought is defined as a rainfall deficit which restricts or prevents a human activity – for example, farming or power generation. -
Climate change scenarios for New Zealand
Research ProjectProjections of how climate change is likely to affect New Zealand. -
Critter of the week
In this blog series, we feature a new critter from our expansive invertebrate collection including pictures of specimens in their unique habitat. The blogs also feature news, links and fun facts that showcase New Zealand’s fascinating marine fauna. -
Wastewater Treatment
Wastewater treatment is the separation and extraction of solid waste from liquid waste, and the removal of nutrients and pathogens.