Buayanyup River Action Plan BUAYANYUP RIVER Action Plan
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Buayanyup River Action Plan BUAYANYUP RIVER ACTION PLan Prepared for the Geographe Catchment Council (GeoCatch) By Gemma Mincherton | December 2010 Geographe Catchment Council (GeoCatch) Buayanyup River Action Plan GeoCatch 72 Duchess Street Busselton WA 6280 Telephone + 61 8 9781 0111 Facsimile + 61 8 9754 4335 www.geocatch.asn.au ISBN 978-1-921549-33-5 (print) ISBN 978-1-921549-34-2 (online) For more information about this report, contact: The District Manager GeoCatch Busselton WA Front cover photo Buayanyup River upper catchment by Gemma Mincherton This work is copyright. You may download, display, print and reproduce this material in unaltered form only (retaining this notice) for your personal, non- commercial use or use within your organisation. Apart from any use as permitted under the Copyright Act 1968, all other rights are reserved. Requests and inquiries concerning reproduction and rights should be addressed to GeoCatch The recommended reference for this publication is GeoCatch 2010, Buayanyup River action plan, Busselton, Western Australia Funded by the National Heritage Trust, the South West Catchments Council and the Department of Water Geographe Catchment Council (GeoCatch) Buayanyup River Action Plan Acknowledgements This River Action Plan was developed in consultation with a wide range of individuals and would not have been possible without the insightful contributions from all involved. The following groups and individuals are gratefully acknowledged. Landholders within the Buayanyup catchment Special thanks are due to each landholder who volunteered their time, thoughts and historical knowledge during the foreshore assessments. Geographe Catchment Council (GeoCatch) staff and members Jen Mitchell and Kath Lynch for project management, John McKinney for technical advice, Katie Biggs for input into the flora surveys and GeoCatch members Robin Flowers, Gilbert Stockman, Bev Thurlow and Barry Oates for guidance on reaching the community. Wardan Centre Bill and Vilma Webb are gratefully acknowledged for sharing their knowledge on Aboriginal heritage. Department of Water Melanie Webb for her mapping expertise and Joel Hall for providing water quality data with enthusiasm. Kirrily White is also acknowledged for creating links with the Vasse Wonnerup Wetlands and Geographe Bay water quality improvement plan (Department of Water 2010), and sharing data. Department of Environment and Conservation Andrew Webb for completing the flora surveys and imparting some of his extensive flora knowledge. Cassie Lawler and Caitlin Lee Steere are also thanked for their fauna expertise. Murdoch University Drs David Morgan and Steve Beatty from the Centre for Fish and Fisheries Research conducted a native fish and crayfish survey and continue to be an important link to the scientific community. The Shire of Busselton For providing information on property owners. Other river action plan authors This river action plan has drawn extensively on the work of Kirrily White, Genevieve Hanran-Smith, Cassandra Jury and John McKinney and the river action plans they have written. Geographe Catchment Council (GeoCatch) 3 Buayanyup River Action Plan Contents Acknowledgements ............................................................................................................3 Contents ............................................................................................................................4 Figures ...............................................................................................................................6 Tables ......................................................................................................................................................7 Summary ...........................................................................................................................8 Issues of concern ..............................................................................................................8 Recommendations .............................................................................................................9 Priorities for on-ground works ..........................................................................................10 1 Introduction .................................................................................................................12 1.1 The catchment..............................................................................................................................12 1.2 Background ..................................................................................................................................12 1.3 Study aims ....................................................................................................................................13 1.4 Structure of the report ..................................................................................................................14 2 Catchment characteristics ..........................................................................................15 2.1 The waterway systems and catchments ......................................................................................15 2.2 Climate .........................................................................................................................................16 2.3 Landform and soils .......................................................................................................................17 2.4 Flora .............................................................................................................................................19 2.5 Fauna ...........................................................................................................................................22 2.6 Heritage ........................................................................................................................................24 2.7 Population and land use ...............................................................................................................25 3 Methodology ...............................................................................................................28 3.1 Community consultation ...............................................................................................................28 3.2 River health assessment ..............................................................................................................29 4 Management issues .....................................................................................................................30 4.1 Lack of awareness and appreciation of waterway health issues .................................................30 4.2 Water quality decline ....................................................................................................................30 4.3 Unrestricted stock access to waterways ......................................................................................32 4.4 Historical clearing of riparian vegetation and removal of large woody debris ..............................32 4.5 Tree decline ..................................................................................................................................33 4.6 Erosion .........................................................................................................................................33 4.7 Weed invasion ..............................................................................................................................34 4.8 Dams, environmental flows and barriers to aquatic fauna migration ...........................................35 4.9 Feral animals ................................................................................................................................35 4.10 Adoption of ecologically sound management practices ...............................................................37 4 Geographe Catchment Council (GeoCatch) Buayanyup River Action Plan 5 Management recommendations .................................................................................38 5.1 Raise awareness of waterway health issues ...............................................................................38 5.2 Improve water quality ...................................................................................................................39 5.3 Control stock access to waterways ..............................................................................................40 5.4 Protect and re-establish riparian vegetation and create habitat ..................................................43 5.5 Manage tree decline .....................................................................................................................44 5.6 Control erosion .............................................................................................................................45 5.7 Manage weeds .............................................................................................................................45 5.8 Manage dams ...............................................................................................................................46 5.9 Control feral animals ....................................................................................................................47 5.10 Encourage the adoption of ecologically sound management practices .......................................49 6 River foreshore condition