NIWA's publication "Freshwater Fish Spawning and Migration Periods" is designed to help people working near freshwater to minimise effects of their work on freshwater fish species.
The Fish Passage Assessment Tool has been developed to provide an easy to use, practical tool for recording instream structures and assessing their likely impact on fish movements and river connectivity.
These booklets help provide guidance on the cultivation and restoration of native submerged macrophytes for environmental rehabilitation initiatives in freshwater and saltwater environments.