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Characterising stormwater quality
Urban stormwater can contain a variety of contaminants at a wide range of concentrations, collected as the rainwater runs over impervious surfaces. -
Urban hydrological monitoring
Urban drainage systems include pipe networks, streams and rivers, often in a highly modified condition. -
Stormwater management
NIWA has a range of services and research capabilities to assist with assessing and managing the effects of stormwater and urban development on streams, estuaries and harbours. -
Identifying New Zealand freshwater fishes
NIWA has a series of identification guides available to help you identify New Zealand fish species both in the field and in the laboratory. The quick-guides are great for use in the field and the formal keys provide a greater level of detail. -
NZFFD publications and catchment number directory
Access commonly cited references for the NZFFD and the Catchments of New Zealand publication. -
Biosecurity tools
Software Tool/ResourceOur biosecurity management tools include: assessment models, field surveys, management advice and the testing of control methods. -
Controlling water weeds with grass carp
Research ProjectA Ministry for Primary Industries-funded study has shown that grass carp, in enclosures, can be used as an effective means of controlling invasive plant species in our waterways. -
Ocean modelling
NIWA answers a wide range of scientific questions using ocean modelling. These models can be linked to well established weather forecasting models to predict ocean temperature, sea level and the dispersal of pollution.