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BIOSIS RESEARCH Flora, fauna and Net Gain assessment of the proposed New Chiltern Quarry, Victoria September 2009 Biosis Research Pty. Ltd. Natural & Cultural Heritage Consultants 38 Bertie Street (PO Box 489) Port Melbourne Victoria 3207 BIOSIS RESEARCH Report to CEMEX Australia Pty Ltd Flora, fauna and Net Gain assessment of the proposed New Chiltern Quarry, Victoria September 2009 Melbourne: 38 Bertie Street, Port Melbourne VIC 3207 Steve Mueck, Ph: (03) 9646 9499 Fax: (03) 9646 9242 email: [email protected] Mark Venosta and Sydney: Daniel Gilmore 18–20 Mandible Street, Alexandria NSW 2015 Ph: (02) 9690 2777 Fax: (02) 9690 2577 email: [email protected] Ballarat: 449 Doveton Street North, Ballarat VIC 3354 Ph: (03) 5331 7000 Fax: (03) 5331 7033 email: [email protected] Queanbeyan: Project Nos. 6882, 7353 & 7594 55 Lorne Road (PO Box 1963) Queanbeyan NSW 2620 Ph: (02) 6284 4633 Fax: (02) 6284 4699 email: [email protected] Wollongong: 8 Tate Street, Wollongong NSW 2500 Ph: (02) 4229 5222 Fax: (02) 4229 5500 email: [email protected] Wangaratta: 26a Reid Street (PO Box 943) Wangaratta VIC 3677 Ph: (03) 5721 9453 Fax: (03) 5721 9454 email: [email protected] @ Biosis Research Pty. Ltd. This document is and shall remain the property of Biosis Research Pty. Ltd. The document may BIOSIS RESEARCH Pty. Ltd. A.B.N. 65 006 175 097 only be used for the purposes for which it was commissioned and in accordance with the Terms of Natural & Cultural Heritage Consultants the Engagement for the commission. Unauthorised use of this document in any form whatsoever is prohibited. Flora, fauna and Net Gain assessment of the proposed Cemex New Chiltern Quarry ACKNOWLEDGEMENTS Biosis Research wishes to acknowledge the contribution of the following people and organisations in undertaking this study: CEMEX Australia Pty Limited Michael Heath, Harry Glaw and Peter Turnbull EnviroRisk Management Stephen Jenkins Property Owner Mr. Greg Eames R.W. Corkery & Co. Pty. Limited Mr. Rob Corkery Local Naturalist Eileen Collins (examination of local populations of threatened flora) Department of Sustainability and Environment Lindy Lumsden (Anabat analysis) for access to ecological databases (AVW, FIS) Glen Johnson Trust for Nature Lance Williams (for assisting with field survey) Biosis Research Pty. Ltd. Maria Pham, Robert Fitzgerald (mapping) Victoria Allen (database searches) Katrina Sofo and David Mossop Individuals Natasha Schedvin (for regional Barking Owl survey information) Cheryl O’Dwyer (for assisting with Golden Sun Moth surveys) ABBREVIATIONS AVW Atlas of Victorian Wildlife (DSE 2005) DBH Diameter at breast height (130 cm above ground surface) DEWHA Department of the Environment, Water, Heritage and the Arts DSE Department of Sustainability & Environment EVC Ecological Vegetation Class FIS Flora Information System (DSE 2005) sp. Species (one species) spp. Species (more than one species) Biosis Research Pty. Ltd. has completed this assessment in accordance with the relevant federal, state and local legislation and current industry best practice. The company accepts no liability for any damages or loss incurred as a result of reliance placed upon the report content or for any purpose other than that for which it was intended. BIOSIS RESEARCH Acknowledgements & Abbreviations III Flora, fauna and Net Gain assessment of the proposed Cemex New Chiltern Quarry CONTENTS Page ACKNOWLEDGEMENTS ......................................................................................................... III ABBREVIATIONS ..................................................................................................................... III CONTENTS ..........................................................................................................................IV SUMMARY ...............................................................................................................................VII 1.0 INTRODUCTION.......................................................................................................... 1 1.1 Project Background................................................................................................... 1 1.2 Objectives................................................................................................................... 1 1.3 Study Area .................................................................................................................. 1 2.0 METHODS ................................................................................................................... 3 2.1 Classification.............................................................................................................. 3 2.2 Literature and Database Review............................................................................... 3 2.3 Site Visit ......................................................................................................................3 2.3.1 Flora and fauna assessment........................................................................................ 3 2.3.2 Vegetation Quality Assessment for Net Gain .............................................................. 4 2.3.3 Identifying Offsets for Net Gain.................................................................................... 5 2.4 Qualifications ............................................................................................................. 5 2.5 Defining Significant Species and Communities ..................................................... 7 3.0 RESULTS .................................................................................................................... 8 3.1 Flora ............................................................................................................................ 8 3.1.1 Species ........................................................................................................................ 8 3.1.2 Ecological Vegetation Classes..................................................................................... 8 3.1.3 Condition of Native Vegetation .................................................................................... 9 3.2 Vegetation quality assessment for Net Gain......................................................... 11 3.2.1 Vegetation in Patches ................................................................................................ 11 3.2.2 Large Old Trees ......................................................................................................... 12 3.3 Threatened Species Searches................................................................................ 14 3.4 Fauna......................................................................................................................... 15 3.4.1 Species ...................................................................................................................... 15 3.4.2 Habitats ...................................................................................................................... 15 3.4.3 Results of targeted fauna surveys ............................................................................. 19 4.0 ECOLOGICAL SIGNIFICANCE ................................................................................ 21 4.1 Significance of the study area................................................................................ 21 4.2 Previous assessments of significance.................................................................. 22 4.3 Significant Flora Species ........................................................................................ 22 4.3.1 National significance .................................................................................................. 22 4.3.2 State significance....................................................................................................... 23 4.3.3 Regional significance ................................................................................................. 24 4.4 Significant Vegetation Communities ..................................................................... 24 4.5 Significant Ecological Communities...................................................................... 24 4.5.1 White Box–Yellow Box–Blakely’s Red Gum Grassy Woodland and Derived Native Grassland............................................................................................................................. 24 4.5.2 Victorian Temperate Woodland Bird Community....................................................... 25 BIOSIS RESEARCH Contents IV Flora, fauna and Net Gain assessment of the proposed Cemex New Chiltern Quarry 4.6 Significant Fauna Species ...................................................................................... 25 4.6.1 National significance .................................................................................................. 26 4.6.2 State significance....................................................................................................... 28 4.6.3 Regional Significance ................................................................................................ 30 5.0 BIODIVERSITY LEGISLATION AND GOVERNMENT POLICY .............................. 31 5.1 Commonwealth ........................................................................................................ 31 5.1.1 Environment Protection and Biodiversity Conservation