The National Policy Statement for Freshwater Management 2020 (Freshwater NPS 2020) requires councils to manage periphyton in rivers as a compulsory attribute to achieve the value ecosystem health.
The National Policy Statement for Freshwater Management 2020 (Freshwater NPS 2020) requires councils to manage periphyton in rivers as a compulsory attribute to achieve the value ecosystem health.
This guidance is intended to provide a starting point for defining nutrient concentrations for managing to the periphyton attribute, as required by the Freshwater NPS 2020 clause 3.13: Special provision for attributes affected by nutrients.
It should be read together with the Freshwater NPS 2020 and other guidance.