On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.
Link to source page
Macrophytes are large aquatic plants. How to assess macrophyte cover with just a measuring tape and a willingness to get wet.
Macrophytes are large aquatic plants. You don’t need any specialised equipment to assess macrophyte cover, just a measuring tape and a willingness to get into the stream if you can’t see the bottom.
