The New Zealand Conservation Authority November 2011 Protecting New Zealand’s Rivers 2 This report may be cited as: New Zealand Conservation Authority. 2011: Protecting New Zealand’s Rivers. New Zealand Conservation Authority, Wellington. 68 Pages November 2011 ISBN: 978-0-478-14918-0 Photo: Tawhai Falls, Waikato River. Crown Copyright: Department of Conservation Te Papa Atawhai, Photographer: Helen Mitchell. 3 Foreword Rivers have special intrinsic values This discussion paper is the NZCA’s that are being incrementally lost. advice to the Minister of Conservation The New Zealand Conservation and is designed to generate public Authority (NZCA) believes action discussion on the future of New should be taken to reverse this trend. Zealand’s rivers. Existing statutory agencies have a The NZCA can be contacted at range of tools available to better
[email protected] or: protect rivers. Some of these tools New Zealand Conservation Authority would be more effective if they were PO Box 10 420 refined, and there was greater national Wellington 6143 direction for their implementation. Protecting New Zealand’s Rivers 01 Foreword Contents Executive summary 03 - Context 03 - What is the problem? 03 - What is needed? 04 01 Introduction 05 02 State of our rivers 07 - Overview of New Zealand rivers 07 - DOC statutory advocacy 09 - River physical processes 10 and functioning - Water quantity (flows) 11 - Water quality 11 - Indigenous freshwater 12 biodiversity - Societal values 13 - Māori values 13 - Recreation 14 - Hydro-electricity 14 generation and irrigation