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Flow requirements for fish habitat in the Ohinemuri River, Waihou River and selected tributaries

TR 2014/12
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Report: TR 2014/12

Author: IG Jowett (National Institute of Water and Atmospheric Research Ltd)

About this report

The purpose of this study was to investigate the flows required to maintain acceptable habitat for native fish and trout in selected rivers and streams in the Waihou catchment, namely the Ohinemuri River (2 reaches), the Waihou River (5 reaches), Oraka Stream (2 reaches), Mangawhero Stream, Waiomou Stream and Waimakariri Stream.

Read or download the survey report

Flow requirements for fish habitat in the Ohinemuri River, Waihou River and selected tributaries [PDF, 2.3 MB]

Contents
  Executive summary
1 Introduction
1.1 Study brief and background
2 Instream flow requirements
3 Survey reaches, flow characteristics, and fish species
3.1 Reach selection
3.2 Flows
3.3 Fish species
3.4 Habitat suitability curves
3.5 Habitat mapping and cross-section selection
3.6 Instream habitat survey and analysis
4 Results
4.1 Physical characteristics
4.2 Instream habitat
5 Minimum flow requirements
5.1 Instream habitat
6 Acknowledgments
7 References
  Appendix I: Habitat suitability curves used in this study