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Splendid Sponges
An interactive guide to the sponges of New Zealand. -
Wave action
Feature story06 June 2017New Zealand’s coast is sculpted by ocean waves. Some wave conditions bring joy to surfers and beachgoers, but, at other times, waves can cause major hazards at sea or along the shore. -
Development of sustainable water supply and treatment systems for a coastal Fijian village
Research ProjectThis collaborative NZaid project worked with coastal Fijian villagers at Votua on the Coral Coast of Viti Levu to develop pragmatic water supply and waste treatment solutions to protect public health and reduce contamination of coastal waters. -
Seafood sector
NIWA's seafood sector work comprises our fish, fisheries and aquaculture research and consultancy. -
New Zealand bathymetry - Further information
Technical information about our datasets and methodology along with related resources. -
Wastewater Treatment
Wastewater treatment is the separation and extraction of solid waste from liquid waste, and the removal of nutrients and pathogens. -
Biological limitations
Identifying biological factors that may be limiting fish numbers requires sampling to ensure that key invertebrate prey species are not scarce and that pest fish, especially predators, are not abundant. -
Chemical contamination and aquaculture
What are the potential sources of chemical contamination from aquaculture activities? -
Drought
Education ResourceDefining drought and identifying its causes and impacts on humans. -
Southland
Southland is both the most southerly and most westerly part of New Zealand and generally is the first to be influenced by weather systems moving onto the country from the west or south. -
Lesson 9: Ngā Tohu o te Taiao – Māori environmental indicators
Education ResourceThis lesson will explore the use of Māori environmental indicators [tohu] to anticipate local weather and climate conditions.