Eighth Road Armadale Biological Survey Biologic Environmental Survey Report to City of Armadale June 2020 City of Armadale: Eighth Road Armadale Vegetation Survey Document Status Revision Approved for Issue to Author Review / Approved for Issue No. Name Date C. van den Bergh 1 T. Wild, C. Brooks C. Omacini 23/06/2020 A. Hide “IMPORTANT NOTE” Apart from fair dealing for the purposes of private study, research, criticism, or review as permitted under the Copyright Act, no part of this report, its attachments or appendices may be reproduced by any process without the written consent of Biologic Environmental Survey Pty Ltd (“Biologic”). All enquiries should be directed to Biologic. We have prepared this report for the sole purposes of the City of Armadale (“Client”) for the specific purpose only for which it is supplied. 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Page | 1 City of Armadale: Eighth Road Armadale Vegetation Survey TABLE OF CONTENTS 1 Introduction ........................................................................................................ 5 1.1 Background ............................................................................................................ 5 1.2 Objectives ............................................................................................................... 5 1.3 Background to Protection of Flora and Fauna ..................................................... 7 1.4 Species of Interest ................................................................................................. 8 1.4.1 Carnaby’s cockatoo (Calyptorhynchus latirostris) ............................................... 9 1.4.2 Baudin’s cockatoo (Calyptorhynchus baudinii) ................................................... 9 1.4.3 Forest red-tailed black cockatoo (Calyptorhynchus banksii naso) .................... 10 2 Environment ..................................................................................................... 11 2.1 Biogeography ....................................................................................................... 11 2.2 Climate .................................................................................................................. 11 2.3 Landforms, Geology and Soils ............................................................................ 12 2.4 Hydrology and Hydrogeology ............................................................................. 13 2.5 Flora and Vegetation Background ...................................................................... 15 2.5.1 Vegetation Complexes ..................................................................................... 15 2.5.2 Introduced Taxa ............................................................................................... 15 3 Methodology ..................................................................................................... 17 3.1 Compliance ........................................................................................................... 17 3.2 Desktop Assessment ........................................................................................... 17 3.2.1 Database Searches ......................................................................................... 17 3.2.2 Literature review .............................................................................................. 18 3.3 Field Survey .......................................................................................................... 19 3.3.1 Targeted flora searches and Habitat Assessments .......................................... 20 3.3.2 Opportunistic Vertebrate Fauna Records ......................................................... 20 3.3.3 Black Cockatoo Habitat Assessment ............................................................... 21 3.4 Assessment on Occurrence ................................................................................ 24 3.4.1 Flora ................................................................................................................ 24 3.4.2 Fauna .............................................................................................................. 24 3.5 Potential Limitation and Constraints .................................................................. 25 4 Results and Discussion ................................................................................... 27 4.1 Database Search Results .................................................................................... 27 4.1.1 Flora and vegetation of Conservation Significance .......................................... 27 4.1.2 Vertebrate Fauna of Conservation Significance ............................................... 30 Page | 2 City of Armadale: Eighth Road Armadale Vegetation Survey 4.2 Vegetation/ Fauna Habitats ................................................................................. 35 4.3 Flora ...................................................................................................................... 37 4.4 Fauna recorded .................................................................................................... 37 4.5 Fauna of Conservation Significance ................................................................... 37 4.5.1 Black Cockatoo Habitat Assessment ............................................................... 45 5 Conclusion ........................................................................................................ 52 6 References ........................................................................................................ 53 7 Appendices ....................................................................................................... 59 LIST OF FIGURES Figure 1.1: The Study Area and Study Area location ............................................................................. 6 Figure 2.1: Long-term climatic averages (LTA) for monthly rainfall and temperature in the vicinity of the Study Area (station no. 9581; BoM, 2020). ........................................................ 12 Figure 2.2: Hydrology of the Study Area ............................................................................................... 14 Figure 3.1: Monthly LTA rainfall and 2020 monthly rainfall totals for Gosnells City (station 9106; BoM, 2020) ................................................................................................................... 20 Figure 4.1: Conservation significant flora and ecological communities near the Study Area ............... 29 Figure 4.2: Previous records of Black-Cockatoos in the vicinity, including roost locations .................. 33 Figure 4.3: Other conservation significant fauna database results ....................................................... 34 Figure 4.4: Vegetation/ Fauna Habitats mapped in the Study Area ..................................................... 36 Figure 4.5: Black cockatoo foraging trees/ habitat ................................................................................ 47 Figure 4.6 Potential roosting and breeding trees with hollows in the Study Area ................................. 51 LIST OF TABLES Table 1.1: Definitions and terms for fauna of conservation significance ................................................ 8 Table 2-1: Pre-European and current extent of vegetation complexes occurring in the Study Area.... 15 Table 3.1 Guidelines, technical guidelines and procedures