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Toolibin Lake Catchment Recovery Plan 2015–35

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Toolibin Lake Catchment Recovery Plan 2015–35 Toolibin Lake Catchment Recovery Plan 2015–35 Lake Toolibin Toolibin Lake Catchment Recovery Plan 2015–35 20170224-0817-100 Department of Biodiversity, Conservation and Attractions 17 Dick Perry Avenue Kensington Western Australia 6163 Phone: (08) 9219 9000 Fax: (08) 9334 0498 dbca.wa.gov.au © Department of Biodiversity, Conservation and Attractions on behalf of the State of Western Australia 2017 September 2017 Note This plan was prepared by the department’s Wetlands Conservation Program and the Wheatbelt Region. Questions regarding the use of this material should be directed to the Wheatbelt Region, Parks and Wildlife Service, Department of Biodiversity, Conservation and Attractions. The recommended reference for this publication is: Department of Biodiversity, Conservation and Attractions, 2017, Toolibin Lake Recovery Plan 2015–35, Department of Biodiversity, Conservation and Attractions, Perth. Disclaimer While all reasonable care has been taken in the preparation of the material in this document, the Western Australian Government and its officers accept no responsibility for any errors or omissions it may contain, whether caused by negligence or otherwise, or any loss, however caused, sustained by any person who relies on it. Acknowledgements The Parks and Wildlife Service at the Department of Biodiversity, Conservation and Attractions (DBCA; the department) would like to thank the many people who have been involved in the development of the Toolibin Lake Recovery Plan 2015–35. In particular, valuable input has been provided by past and present members of the Toolibin Lake recovery team and technical advisory group, the department’s planning support staff (Danielle England, Jennifer Higbid, Maria Lee, Loretta Lewis, Ray McKnight, Michael Smith, Ellen Trimming and Ken Wallace) and a number of other individuals (Brett Beecham, Lindsay Bourke, Paul Drake, Greg Durell, Peter Lacey and Peter White); and Geographic Information Services Branch. We gratefully acknowledge the support and the research‐driven methodological innovation contributed by the School of Computer Science at the University of Nottingham, led by Dr Christian Wagner and funded by the UK EPSRC (EP/K012479/1) and NERC (NE/M008401/1). The research conducted and its outputs have been instrumental in both informing key aspects of this management plan and advancing the methodological research underpinning it. The department would especially like to thank Dr Jasmine Rutherford, senior hydrologist for her involvement in development of the recovery plan. The advice and technical input of Dr Ryan Vogwill into the plan and the planning process is also greatly appreciated. Accessibility This document is available in alternative formats on request. Cover photos Top left Snail orchid. Photo – DBCA Top right Pink eared ducks. Photo – Roz Barber Main Toolibin Lake. Photo – DBCA Back cover Road reserve within the catchment. Photo – DBCA Toolibin Lake Catchment Recovery Plan 2015–35 Contents Summary ....................................................................................................................................... 1 1. Introduction .......................................................................................................................... 3 1.1. Description of the Toolibin Lake catchment ................................................................ 4 Catchment overview ............................................................................................................ 4 Toolibin Lake ........................................................................................................................ 4 Threatened Ecological Communities ................................................................................... 7 Wildlife ................................................................................................................................. 7 Cultural heritage .................................................................................................................. 8 Social and economic use ...................................................................................................... 8 1.2. Achievements of the previous recovery plan period .................................................. 11 Natural Diversity Recovery Catchment program ............................................................... 11 Management outcomes ..................................................................................................... 11 2. The planning framework and the recovery plan ................................................................. 13 2.1. Identify key values ...................................................................................................... 16 Knowledge/heritage and education .................................................................................. 16 Productive use .................................................................................................................... 16 Philosophical/spiritual contentment ................................................................................. 17 2.2. Define goal ................................................................................................................. 21 2.3. Prioritise biological elements ..................................................................................... 22 The approach ..................................................................................................................... 22 Priority biological elements ............................................................................................... 22 2.4. Identify key threatening processes ............................................................................ 26 Management targets ......................................................................................................... 26 Risk analysis ........................................................................................................................ 28 Key threatening processes ................................................................................................. 31 Summary ............................................................................................................................ 39 2.5. Devise recovery actions .............................................................................................. 40 Management of key threatening processes ...................................................................... 40 Benefit analysis of actions ................................................................................................. 40 2.6. Monitor ...................................................................................................................... 49 Limits of acceptable change .............................................................................................. 49 Adaptive monitoring and evaluation ................................................................................. 51 Monitoring species composition ....................................................................................... 51 Monitoring elements ......................................................................................................... 53 Monitoring key threatening processes .............................................................................. 56 Monitoring values .............................................................................................................. 59 Management of data and statistical analysis .................................................................... 61 Reporting and review ......................................................................................................... 61 3. Relationship map ................................................................................................................ 63 4. Summary of management targets and limits of acceptable change for priority biological elements (property) .................................................................................................................... 64 5. Summary of limits of acceptable change for key threatening processes ........................... 66 6. Summary of recommended recovery actions .................................................................... 68 7. Glossary .............................................................................................................................. 71 8. References .......................................................................................................................... 74 9. Personal communication .................................................................................................... 78 Figures Figure 1: Location of the Toolibin Lake catchment .................................................................... 6 Figure 2: Location of the Toolibin Lake catchment vegetation biological elements ............... 10 Figure 3: Framework used for the recovery plan ..................................................................... 13 Figure 4: A comparison of utility (or overall value of a biological element) estimated by the technical advisory group of experts and the property‐value modelling ............................. 24 Figure 5: Toolibin Lake conceptual hydrological model ........................................................... 32 Figure 6: Monitoring framework .............................................................................................
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