Case studies and resources

Case studies and resources

Case studies

Detention Bund Trial

Determining whether detention bunds can effectively manage peak run off and reduce sediment in Northland.

Reports

Physiographics Project

Helping landowners to better understand where to put contaminant management interventions to improve water quality leaving farms.

Wairoa Freshwater Improvement Project

Collaborative project incorporating sustainable land management practices and the principles of mātauranga Māori to reduce sediment into the Wairoa River. 

Videos

Sediment Traps

Sediment traps are simple, low-cost excavations in a watercourse or near a waterbody that capture and reduce the downstream movement of gravel, sand, and silt. 

Floating Wetlands

Trialling growing aquatic plants growing on a buoyant mat to capture incoming contaminants

Hydro-seeding Trial

Trialling planting hydro-seeding native sedge seeds in riparian zones to determine success and cost vs conventional planting.

Detention Bund Trial

Determining whether detention bunds can effectively manage peak run off and reduce sediment in Northland.

Okarika Pocket Transformation

Co-designing freshwater improvement projects with farmers, mana whenua and scientists in a sub-catchment of the Wairua River.

Low Cost Wetland Construction

Wetlands can improve water quality, create habitat for wildlife as well as enhance the attractiveness and value of rural properties and can be easy to construct.