Freshwater Quality
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This new 3-hectare wetland has been constructed from scratch on a former dairy property near Maketu.
Making community-based freshwater monitoring data count
Electronic field form templates have been developed to support community-based monitoring (CBM) groups to capture stream health observations and measurements in an efficient and standardised way.
The principles of effective riparian buffer design
Nutrients, sediment, and microbial contaminants are mobilized from urban and agricultural landscapes and enter streams, rivers, lakes and estuaries.
How to cultivate freshwater or saltwater plants to help restore aquatic ecosystems
NIWA has released two booklets to provide advice on the cultivation of native submerged macrophytes to help rehabilitation initiatives in freshwater and saltwater environments.
Hands-on science wins over young researchers
More than 300 secondary school students enjoyed a brief stint as freshwater researchers to help rid the country of invasive freshwater aquatic species.
Demand grows for NIWA’s Riparian Management Training
NIWA has updated training materials and restarted a course that explains the use of a riparian planning tool to achieve a range of water quality and environmental outcomes.
Better outcomes for downstream water quality
The finishing touches have just been made on a NIWA-led project which aims to prove the performance of constructed wetlands on New Zealand farms.
Optimising aquatic alligator weed management
Alligator weed was introduced to Northland, New Zealand in the 1880s-1900s, and is now well established in the region and further south to the Waikato.
Measuring copper and zinc in urban waterways
New Zealand’s population is increasingly urban. As of 2018, major urban areas in Aotearoa accounted for more than half of the population. As the population grows and urban development expands and intensifies, freshwater environments in urban areas are coming under increasing pressure.
New freshwater species programme
A new programme at NIWA will focus on finding ways to protect our freshwater species now and in the future.