Shire of Ashburton Environmental Profile
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Shire of Ashburton Environmental Profile Prepared for Taylor Burrell Barnett DRAFTBy Essential Environmental November 2016 Shire of Ashburton Environmental Profile Disclaimer and Limitation This document is published in accordance with and subject to an agreement between Essential Environmental and the Client, Taylor Burrell Barnett, for who it has been prepared for their exclusive use. It has been prepared using the standard of skill and care ordinarily exercised by environmental scientists in the preparation of such Documents. This report is a qualitative assessment only, based on the scope of services defined by the Client, budgetary and time constraints imposed by the Client, the information supplied by the Client (and its agents), and the method consistent with the preceding. Essential Environmental has not attempted to verify the accuracy or completeness of the information supplied. 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DRAFT November 2016 Shire of Ashburton Environmental Profile CONTENTS _Toc467076109 1 Introduction ............................................................................................................................................ 1 1.1 The study area .............................................................................................................................. 1 1.2 Key guidance documents ......................................................................................................... 2 1.2.1 Shire of Ashburton 10 Year Community Strategic Plan 2012 – 2022 ....................... 2 1.2.1 Growth outlook ................................................................................................................ 5 1.2.2 Onslow Townsite Strategy (2011) .................................................................................. 6 1.2.3 Shire of Ashburton Tourism Destination Development Strategy (2011) .................. 7 1.2.4 Pilbara Planning and Infrastructure Framework (2012) ............................................. 7 1.2.5 Pilbara Regional Investment Blueprint (2015) ............................................................. 7 2 Existing environment .............................................................................................................................. 9 2.1 Climate .......................................................................................................................................... 9 2.1.1 Cyclones .......................................................................................................................... 11 2.1.2 Climate change ............................................................................................................. 11 2.1.3 Key considerations for strategic environmental planning...................................... 13 2.2 Air quality .................................................................................................................................... 14 2.2.1 Greenhouse gas emissions ........................................................................................... 16 2.2.2 Key considerations for strategic environmental planning...................................... 16 2.3 Land resources ........................................................................................................................... 17 2.3.1 Geography, topography and landforms .................................................................. 17 2.3.2 Geology and soils .......................................................................................................... 17 2.3.3 Minerals and basic raw materials ............................................................................... 20 2.3.4 Acid sulfate soils ............................................................................................................. 20 2.3.5 Contaminated sites ....................................................................................................... 22 2.3.6 Waste management ..................................................................................................... 25 2.3.7 Land capability for agriculture .................................................................................... 25 2.3.8 Key considerations for strategic environmental planning...................................... 27 2.4 Water resources ......................................................................................................................... 29 2.4.1 Surface water – waterways, wetlands and flooding .............................................. 29 2.4.2DRAFT Groundwater – resources, availability and use ........................................................ 31 2.4.3 Alternative water supply and water efficiency ........................................................ 37 2.4.4 Key strategic environmental planning issues for consideration ............................ 37 2.5 Biodiversity .................................................................................................................................. 39 2.5.1 Remnant vegetation ..................................................................................................... 42 2.5.2 Protected flora, fauna and ecological communities ............................................. 43 2.5.3 Offshore islands .............................................................................................................. 44 2.5.4 Aquatic ecosystems ...................................................................................................... 44 2.5.5 Key strategic environmental planning issues for consideration ............................ 45 2.6 Coastal environment ................................................................................................................ 46 2.6.1 Offshore islands .............................................................................................................. 46 2.6.2 Fishing ............................................................................................................................... 48 2.6.3 Ports .................................................................................................................................. 49 2.6.4 Tourism and coastal camping ..................................................................................... 50 2.6.5 Sea level rise ................................................................................................................... 50 2.6.6 Tides .................................................................................................................................. 55 2.6.7 Key strategic environmental planning issues for consideration ............................ 55 2.7 Hazards and natural disasters ................................................................................................. 56 2.7.1 Bushfire risk ....................................................................................................................... 56 2.7.2 Flood risk .......................................................................................................................... 57 2.7.3 Key strategic environmental planning issues for consideration ............................ 58 2.8 Heritage ....................................................................................................................................... 59 2.8.1 Aboriginal Heritage ....................................................................................................... 59 2.8.2 European Settlement Heritage ................................................................................... 63 - i - November 2016 Shire of Ashburton Environmental Profile 2.8.3 Natural Heritage ............................................................................................................ 64 2.8.4 Key strategic environmental planning issues for consideration ............................ 64 3 Summary ................................................................................................................................................ 65 4 References ............................................................................................................................................ 72 Appendix 1: Policy and reguilatory framework ..................................................................................... 77 4.1 Guiding legislation ..................................................................................................................... 77 4.2 State policy context .................................................................................................................. 77 4.2.1 Relevant State Planning Policies ................................................................................. 77 4.2.2 State-level guidelines ...................................................................................................