Biodiversity Assessment Report: Officer Precinct Structure Plan, Officer, Victoria
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DRAFT REPORT: Biodiversity Assessment Report: Officer Precinct Structure Plan, Officer, Victoria PREPARED FOR: Growth Areas Authority May 2011 Ecology Partners Pty Ltd HEAD OFFICE: 420 Victoria Street, Brunswick VIC 3056 MELBOURNE: PO Box 298, Brunswick VIC 3056 GEELONG: PO Box 8048, Newtown VIC 3220 Table of Contents Summary ...............................................................................................................6 1 Introduction .............................................................................................10 1.1 Project Background ................................................................................... 10 1.2 Preliminary Flora and Fauna Surveys ....................................................... 10 1.2.1 Targeted Flora and Fauna Surveys ............................................................................. 10 1.3 Objectives .................................................................................................. 11 1.4 Study Area ................................................................................................. 11 1.5 Threatened Flora Species ......................................................................... 12 1.5.1 Matted Flax-lily Dianella amoena ................................................................................. 12 1.5.2 Green Scentbark Eucalyptus fulgens .......................................................................... 14 1.5.3 Swamp Everlasting Xerochrysum palustre ................................................................. 15 1.5.4 River Swamp Wallaby-grass Amphibromus fluitans ................................................. 15 1.5.5 Veined Spear-grass Austrostipa rudis subsp. australis ............................................ 16 1.5.6 Arching Flax-lily Dianella sp. aff. longifolia (Benambra) ........................................... 17 1.5.7 Maroon Leek Orchid Prasophyllum frenchii .............................................................. 18 1.5.8 Purple Diuris Diuris punctata var punctata ................................................................ 19 1.6 Threatened Fauna Species ....................................................................... 20 1.6.1 Southern Brown Bandicoot Isoodon obesulus obesulus .......................................... 20 1.6.2 Growling Grass Frog Litoria raniformis ..................................................................... 21 1.6.3 Dwarf Galaxias Galaxiella pusilla ................................................................................ 23 1.6.4 Australian Grayling Prototroctes maraena ................................................................. 24 1.6.5 Swamp Skink Egernia coventryi ................................................................................. 25 1.6.6 Glossy Grass Skink Pseudemoia rawlinsoni .............................................................. 26 1.6.7 Southern Toadlet Pseudophryne semimarmorata ...................................................... 26 2 Methods .................................................................................................... 28 2.1 Terminology ............................................................................................... 28 2.2 Literature and Database Review ............................................................... 28 2.3 Field Survey Techniques ........................................................................... 28 2.3.1 Vegetation Assessment ............................................................................................... 28 2.3.2 Net Gain Analysis ......................................................................................................... 29 2.3.3 Fauna ............................................................................................................................ 30 2.3.4 Targeted Flora and Fauna Surveys ............................................................................. 31 2.3.5 Best or Remaining 50% of Habitat for Threatened Species ....................................... 35 2.4 Assessment Qualifications and Limitations ............................................... 36 2 Biodiversity Assessment Report: Officer Precinct Structure Plan, Officer, Victoria 2.4.1 Preliminary Flora and Fauna Surveys ......................................................................... 36 2.4.2 Targeted Flora and Fauna Surveys ............................................................................. 36 3 Results .....................................................................................................38 3.1 Flora Assessments .................................................................................... 38 3.1.1 General Flora Survey ................................................................................................... 38 3.1.2 EVC number and Name ................................................................................................ 38 3.1.3 Vegetation Assessment ............................................................................................... 38 3.1.4 Threatened flora species ............................................................................................. 42 3.1.5 Best or Remaining 50% for Rare and Threatened Flora Species ............................... 43 3.1.6 Targeted Flora Surveys ................................................................................................ 44 3.2 Fauna Assessments .................................................................................. 47 3.2.1 General Fauna Survey .................................................................................................. 47 3.2.2 Threatened fauna species ............................................................................................ 47 3.2.3 Best or Remaining 50% for Rare and Threatened Fauna Species ............................. 50 3.2.4 Fauna habitats .............................................................................................................. 51 3.2.5 Targeted Fauna Surveys .............................................................................................. 54 4 Relevant Policy and Legislation ............................................................. 61 4.1 Commonwealth Legislation ....................................................................... 61 4.1.1 Environment Protection and Biodiversity Conservation (EPBC) Act 1999 ................ 61 4.2 State Legislation ........................................................................................ 63 4.2.1 Flora and Fauna Guarantee Act 1988 .......................................................................... 63 4.2.2 Planning and Environment Act 1987 ........................................................................... 66 4.2.3 Catchment and Land Protection (CALP) Act 1994 ...................................................... 66 4.2.4 Victoria’s Biodiversity Strategy ................................................................................... 67 4.2.5 Port Phillip and Westernport Native Vegetation Plan 2006 ........................................ 67 4.2.6 Victoria’s Native Vegetation Framework ..................................................................... 68 4.3 Local Government ..................................................................................... 70 4.3.1 Cardinia Shire Council Planning Scheme ................................................................... 70 5 Key Biodiversity Issues and Implications Identified from the Assessment ........................................................................................................71 5.1 Potential impacts ....................................................................................... 72 5.2 Opportunities to reduce potential impacts ................................................. 73 5.2.1 Biodiversity Assets ...................................................................................................... 73 5.2.2 Minimising Impacts ...................................................................................................... 74 5.2.3 Timing ........................................................................................................................... 75 5.3 Opportunities to protect and enhance regional biodiversity values ............ 76 3 Biodiversity Assessment Report: Officer Precinct Structure Plan, Officer, Victoria 6 Conclusion ............................................................................................... 78 6.1 Preliminary Flora and Fauna Surveys ....................................................... 78 6.2 Targeted Flora and Fauna Surveys ........................................................... 78 Figures ................................................................................................................ 79 Appendices ......................................................................................................... 99 References ........................................................................................................ 140 Tables Table 1. Habitat assessment for threatened flora species .............................................. 43 Table 2. Habitat Assessment for threatened flora species ............................................. 44 Table 3. Habitat assessment for threatened fauna species ............................................ 50 Table 4. Summary of Swamp Skink survey results at trap sites ....................................