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Urbanisation activities
Urbanisation has changed the face of many waterways that flow through urban areas -
Sediment and agriculture
How may agricultural activities increase sediments in waterways? -
Chemical contamination
Chemical contaminants are chemicals toxic to plants and animals in waterways. -
Cropping activities
The land used to produce crops is usually flat to gently rolling so it can be tilled, sowed, and harvested. -
What do we measure?
Research ProjectA range of physical and chemical variables are measured in the NRWQN. -
Algal monitoring service
ServiceBlooms of hazardous cyanobacteria (blue-green algae) in rivers, lakes and reservoirs can cause problems for both animal and human health. -
Altered water flow (hydrology)
Each waterway has its own particular characteristics relating to water flow, velocity, and quantity. -
Analysis of water quality trends
NIWA has developed a powerful software tool for the analysis of water quality data. -
Chemical contamination and wastewater
What are the potential sources of chemical contaminants in wastewaters? -
Ecotoxicology services
ServiceNIWA offers a range of standard toxicity tests for both freshwater and marine environments.
