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Great Western Woodlands Draft Strategic Weed and Feral Animal Management Plan, Department of Environment and Conservation, Perth

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Great Western Woodlands Draft Strategic Weed and Feral Animal Management Plan, Department of Environment and Conservation, Perth Great Western Woodlands Draft Strategic Weed and Feral Animal Management Plan R N V E M E O N G T E O H F T W A E I S L T A E R R N A U S T Department of Environment and Conservation 168 St Georges Terrace Perth WA 6000 Phone: (08) 6467 5000 Fax: (08) 6467 5562 www.dec.wa.gov.au © State of Western Australia 2013 April 2013 This work is copyright. You may download, display, print and reproduce this material in unaltered form (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 enquiries concerning reproduction and rights should be addressed to the Department of Environment and Conservation. The recommended reference for this publication is: Department of Environment and Conservation, 2013, Great Western Woodlands Draft Strategic Weed and Feral Animal Management Plan, Department of Environment and Conservation, Perth. This document is available in alternative formats on request. This document was prepared by the Department of Environment and Conservation’s (DEC’s) Goldfields Region with input from many stakeholders. Please see the acknowledgments section for more information. Photos used in this document were taken by Megan Muir, Vanessa Jackson, Jennifer Jackson and Ryan Butler (DEC Goldfields Region) and Stephen Butler (DEC Esperance District) and Babs and Bert Wells/DEC. Questions regarding the use of this material should be directed to: Department of Environment and Conservation Goldfields Region PO Box 10173, Kalgoorlie WA 6430 32 Brookman Street, Kalgoorlie WA 6430 Phone: (08) 9080 5555 Email: [email protected] Department of Environment and Conservation offices in the Great Western Woodlands: Goldfields Region 32 Brookman Street, Kalgoorlie WA 6430 Phone: 08 9080 5555 Email: [email protected] Esperance District 92 Dempster Street, Esperance WA 6450 Phone: (08) 9083 2100 Email: [email protected] Central Wheatbelt District Cnr Crooks and Great Eastern Highway, Merredin WA 6415 Phone: (08) 9041 6000 Email: [email protected] Cover photos Main – prickly pear (Opuntia spp.); small (left to right) hudson pear (Cylindropuntia rosea); camel (Camelus dromedarius); coral cactus (Cylindropuntia fulgida); wild horse (Equus callabus). Back cover photos Main – mother-of-millions (Bryophyllum spp.); small (left to right); gazania (Gazania spp.); feral cat (Felis catus); pepper tree (Schinus molle); donkey (Equua asinus). Great Western Woodlands Draft Strategic Weed and Feral Animal Management Plan Department of Environment and Conservation Acknowledgments This Great Western Woodlands (GWW) Draft Strategic Weed and Feral Animal Management Plan was developed with guidance and input from the following stakeholders. Anglo Gold Ashanti Australian Invasive Cactus Network Avoca / Alacer Biosecurity South Australia Biosecurity Western Australia Birdlife Australia Blinman Parachilna Pest Plant Control Project SA Botanica Consulting City of Kalgoorlie-Boulder Cliffs Asia Pacific Natural Resources CSIRO Department of Agriculture and Food Western Australia Department of Environment and Conservation Western Australia Department of Mines and Petroleum Western Australia Esperance Wildflower Society Goldfields Land and Sea Council Goldfields Nullarbor Rangelands Biosecurity Group Gondwana Link Integra Mining Kalgoorlie-Boulder Urban Landcare Group Main Roads Western Australia McArthur Minerals / Internickel Members of the public Millennium Kids Mincor Resources Norilisk Nickel Pilbara Flora Polaris Metals Radar Resources Ramelius Resources Salmon River Resources Shire of Coolgardie Shire of Dundas Shire of Kondinin Shire of Lake Grace Shire of Yilgarn Sipa Resources Limited South Coast Natural Resource Management St Ives Gold Mining Company The University of Western Australia Victorian Department of Primary Industries Western Power Wilderness Society Wildflower Society of Western Australia WoNS Coordinator African Boxthorn WoNS Coordinator Athel Pine WoNS Coordinator Opuntioid Cacti 2 Contents Acronyms .................................................................................................................... 7 INTRODUCTION TO THE PLAN ..................................................................................... 8 Background ............................................................................................................. 8 Land tenure and stakeholders ................................................................................. 8 About this plan ......................................................................................................... 8 STRATEGIC WEED MANAGEMENT PLAN .................................................................. 10 Introduction ............................................................................................................ 10 Aims and objectives ............................................................................................... 10 Statutory requirements .............................................................................................. 10 Agriculture and Related Resources Protection Act 1976 ........................................ 10 Biosecurity and Agriculture Management Act 2007 ................................................ 11 Weeds of National Significance ............................................................................. 11 Asset identification .................................................................................................... 11 Biodiversity assets ................................................................................................. 11 Cultural assets ....................................................................................................... 12 Weed prioritisation ..................................................................................................... 12 Weed survey method ................................................................................................. 15 Desktop study ........................................................................................................ 15 Field survey ........................................................................................................... 15 Data collection ....................................................................................................... 15 Mapping ................................................................................................................ 16 Priority weed populations in the GWW....................................................................... 16 Priority weed profiles ................................................................................................. 18 Cylindropuntia ....................................................................................................... 18 Opuntia .................................................................................................................. 19 Athel Pine / Tamarisk............................................................................................. 19 Mother-of-Millions .................................................................................................. 21 African Boxthorn .................................................................................................... 21 Bridal Creeper ....................................................................................................... 22 Pepper Tree .......................................................................................................... 23 Ruby Dock ............................................................................................................. 23 Gazania ................................................................................................................. 24 Buffel Grass ........................................................................................................... 24 Pastoral weeds ...................................................................................................... 25 A summary of weed invasion in the GWW ................................................................. 27 Management options ................................................................................................. 29 Cost estimate for initial control ................................................................................... 31 3 Weed control information ........................................................................................... 34 Principles of weed management ............................................................................ 34 Herbicides registered for priority weeds ................................................................. 34 Overview of control methods ................................................................................. 36 Control options for priority weeds .......................................................................... 37 Weed resources for land managers ........................................................................... 38 STRATEGIC FERAL ANIMAL MANAGEMENT PLAN ................................................... 42 Introduction ............................................................................................................ 42 Aims and objectives ............................................................................................... 42 Statutory requirements .............................................................................................
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