Greenbushes Mining Operations Detailed Flora and Vegetation Survey
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INTRODUCTION ........................................................................................................... 1 1.1 Preamble ............................................................................................................................... 1 1.2 Previous Surveys ................................................................................................................. 1 1.3 Climate .................................................................................................................................. 4 1.4 Biogeographic Regions ....................................................................................................... 4 1.5 Land Use ............................................................................................................................... 5 1.5.1 Agriculture and Associated Industry ................................................................................................ 5 1.5.2 Mining .............................................................................................................................................. 5 1.5.3 Tourism ............................................................................................................................................ 6 1.6 Landforms, Soils .................................................................................................................. 6 1.7 Flora and Vegetation ........................................................................................................... 7 2.0 METHODOLOGY .......................................................................................................... 8 2.1 Legislation and Guidance Statements ............................................................................... 8 2.2 Desktop Assessment ........................................................................................................... 8 2.2.1 Literature Review .............................................................................................................................. 8 2.2.2 Database Searches ........................................................................................................................... 8 2.2.3 Assessment of Likelihood of Occurrence in the study area .............................................................. 9 2.3 Field Survey Methodology .................................................................................................. 9 2.3.1 Timing and Personnel ...................................................................................................................... 9 2.3.2 Sampling of Study Sites ................................................................................................................... 9 2.3.3 Targeted Surveys for Conservation Significant Species ................................................................ 10 2.3.4 Weed Survey and Mapping ........................................................................................................... 10 2.3.5 Vegetation Association and Condition Mapping ............................................................................ 10 2.3.6 Vouchering ..................................................................................................................................... 11 2.3.7 Field Survey Constraints ................................................................................................................ 11 2.3.8 Assessment of Conservation Significance ..................................................................................... 12 3.0 RESULTS ................................................................................................................... 14 3.1 Desktop Review ................................................................................................................. 14 3.1.1 Previous Flora Surveys within the study area ................................................................................ 14 3.1.2 Threatened Flora listed under the EPBC Act ................................................................................. 18 3.1.3 Threatened Flora listed under the IUCN Red List .......................................................................... 18 3.1.4 Threatened Flora listed under the WA Wildlife Conservation (Rare Flora) Notice ........................ 18 3.1.5 Priority Flora Recognised by the DBCA ......................................................................................... 18 3.1.6 TECs listed under State and Federal legislation ............................................................................ 20 3.1.7 PECs recognised by DBCA ........................................................................................................... 20 3.1.8 Environmentally Sensitive Areas ................................................................................................... 20 3.2 Flora Species...................................................................................................................... 20 3.3 Conservation Significant Flora Species .......................................................................... 21 3.3.1 Threatened Flora listed under the WC Act and EPBC Act ............................................................ 21 3.3.2 Priority Flora .................................................................................................................................. 21 Plate 1 Acacia semitrullata from within the study