Yenyening Lakes Management Strategy 2002 - 2012
Total Page:16
File Type:pdf, Size:1020Kb
YENYENING LAKES MANAGEMENT STRATEGY 2002 - 2012 WRM 32 2003 Water and Rivers Commission Department of Conservation and Land Management YENYENING LAKES MANAGEMENT STRATEGY 2002 - 2012 Prepared for Water and Rivers Commission and Department of Conservation & Land Management in consultation with the Yenyening Lakes Management Committee Jointly funded by WATER AND RIVERS COMMISSION REPORT NO. WRM 32 DECEMBER 2002 Water and Rivers Commission Yenyening Lakes Management Strategy 2002-2012 Acknowledgments Preparation of the Yenyening Lakes Management Water & Rivers Commission and Department of Strategy 2002-2012 has benefited by significant Conservation & Land Management provided the contributions from people committed to a healthy and resources for the preparation of the Strategy. Martin sustainably managed lakes environment. Revell and Bernard Kelly from the WRC Northam office, and Greg Durell from CALM, Narrogin, provided The Yenyening Lakes Management Group, chaired by direction for development of the project. Other WRC Trevor McLean, has a well-established interest in the staff to provide useful comment or information includes Yenyening Lakes system. Members readily provided Robin Smith, Mohammed Bari and Tim Sparks. Gerry their information for use in planning, and assisted with McCourt and Lin Ye provided the mapping for the field trips associated with the four planning workshops. document. Particular thanks to Ian Hall, Greg Richards, Bill and Richard Walker and Wally Mills for hosting workshop Ken Wallace, Peter Curry and John Sutton have critically attendees on their properties. Workshop presenters Avril reviewed the text. Baxter, Mike Lyons and Ken Atkins (CALM), and Peter The management strategy was prepared in draft form by Muirden, Shawan Dogramaci, John Ruprecht (WRC) all Don Burnside, Shane Boladeras and Robin Connolly of provided useful comment and generated lively URS Australia. discussion. Thanks to the Shires of Beverley and Quairading and the Morbinning Catchment Group for providing venues and catering for the planning workshops. Reference Details The recommended reference for this publication is: Water and Rivers Commission 2002, Yenyening Lakes Management Strategy 2002-2012. Water and Rivers Commission, Water Resource Management Series, No WRM 32. ISBN 1-920687-09-2 ISSN 1326-6934 Text printed on 100gsm recycled stock, Cover, 250gsm Sapphire Dull December 2002 i Water and Rivers Commission Yenyening Lakes Management Strategy 2002-2012 Foreword The Yenyening Lakes are an important part of the This project reviews the previous strategy and Wheatbelt environment from an environmental, management arrangements, factors in available new economic and social viewpoint. At landscape scale, the information, and presents a new 10-year strategy with lakes are located at the junction of the inland zone of supporting biophysical information and management ancient drainage and the zone of rejuvenated drainage, at commitments. the point where the sluggish saline valleys meet the The process undertaken in the development of this plan channelised east branch of the Avon River. Thus all of has ensured that the competing and sometimes the drainage from the Lockhart and Yilgarn catchments conflicting uses or management issues have been flows through the lakes. systematically evaluated using available information and Environmentally, the lakes have significant biodiversity the advice of people with relevant experience. The plan resources and also provide important habitat for water is compatible with the local management guidelines of birds. Economically, regulation of the flows past the the Department of Conservation and Land Management Qualandary crossing provides a means of managing and the broader waterway management policies of the flood risk further down in the Avon and Swan Rivers. At Water and Rivers Commission. the same time, careful water flow management is The Yenyening Lakes Management Strategy 2002-2012 important to prevent excessive salinisation of farmland has been prepared by URS Australia under direction adjacent to the lakes. Socially, the lakes are an important from the Water and Rivers Commission, Department of asset for water sports and other recreation in an area that Conservation and Land Management in consultation is generally devoid of large surface water bodies. Local with Yenyening Lakes Management Group. It is communities place a high level of value on these intended for use by those with an active interest in the recreational opportunities. management of the Lakes, including the Yenyening In recognition of the importance of the Yenyening Lakes Management Group. The Strategy is also Lakes, a Management Strategy was developed in 1996 to expected to be of interest and useful to adjacent be implemented by a Management Committee. Progress landholders, The Shires of Beverley, Quairading and has been sound and the Management Committee have Brookton, members of the scientific community and the discharged their responsibilities well. However, given public of Western Australia. the considerable developments in biophysical research The Strategy has been reviewed and approved by since that time, and institutional changes at government Department of Conservation and Land Management and level, it is appropriate that performance against the Water & Rivers Commission, endorsed by Avon strategy’s objectives is reviewed and a new 10-year Waterways Committee, recognised by the Shires of strategy developed to take advantage of recent findings Beverley, Quairading and Brookton and accepted by the and events. Yenyening Lakes Management Committee. ii Water and Rivers Commission Yenyening Lakes Management Strategy 2002-2012 Contents 1. Introduction...................................................................................................................................1 1.1 The Yenyening Lakes......................................................................................................................1 1.2 The need for a strategy ...................................................................................................................3 1.3 Defining the geographic limits for the 10 year strategy.................................................................4 1.4 Objectives for the 10 year strategy.................................................................................................4 1.5 The Yenyening Lakes management committee..............................................................................7 1.6 About this document.......................................................................................................................7 2. Developing the strategy.........................................................................................................8 2.1 Reviewing the 1996 strategy ..........................................................................................................8 2.2 Hydrology investigations................................................................................................................8 2.3 Issue workshops............................................................................................................................10 2.4 Strategic planning workshop ........................................................................................................11 2.5 Review of the constitution............................................................................................................11 3. Objectives and actions..........................................................................................................12 3.1 Surface water management...........................................................................................................12 3.2 Groundwater management............................................................................................................17 3.3 Nature conservation......................................................................................................................19 3.4 Recreation and tourism.................................................................................................................26 3.5 Management arrangements...........................................................................................................28 4. Implementing the Strategy.................................................................................................32 4.1 The Yenyening Lakes group.........................................................................................................32 4.2 The Yenyening Lakes management committee............................................................................32 List of Appendices Appendix A: Yenyening Lakes group members.........................................................................................34 Appendix B: Workshop attendees ..............................................................................................................35 Appendix C: Report – Surface water hydrology workshop.......................................................................36 Appendix D: Report – Groundwater hydrology workshop........................................................................50 Appendix E: Report – Nature conservation workshop...............................................................................62 Appendix F: Report – Recreation and tourism workshop..........................................................................64 Appendix G: Revised constitution