This report provides an update of Fish Index of Biotic Integrity (IBI) in New Zealand rivers, for the period of 1999-2018. It describes data sources, methodology, and results for Fish IBI at the national level. It also assesses the application of Fish IBI for environmental reporting, and discusses its limitations.
This report provides an update of Fish Index of Biotic Integrity (IBI) in New Zealand rivers, for the period of 1999-2018. It describes data sources, methodology, and results for Fish IBI at the national level. It also assesses the application of Fish IBI for environmental reporting, and discusses its limitations.