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Thursday, 31 October 2002 Attachment 2 Terrestrial and Freshwater Biodiversity Impact Assessment (Practical Ecology, 2020) TERRESTRIAL AND FRESHWATER BIODIVERSITY IMPACT ASSESSMENT Golden Beach Gas Project October 2020 TERRESTRIAL AND FRESHWATER BIODIVERSITY IMPACT ASSESSMENT Golden Beach Gas Project October 2020 Report by Liza James, Michelle Savona, Alice Ewing, Emma Wilkin, Karen McGregor, Noémie Seck and Marty White Mapping by Karen McGregor, Emma Loboda and Liza James Ecological Survey: Alice Ewing, Andrea Canzano, Katherine Smedley, Dr Andrew Hamer, Yasmin Kelsall, Gidja Walker, Liza James, Noémie Seck and Marty White PRACTICAL ECOLOGY Pty Ltd ACN: 082 911 377 ABN: 88 082 911 377 PO Box 228 Preston VIC 3072 (2B Stott Street Preston Vic 3072) P: 9484 1555F: 9484 9133 www.practicalecology.com.au Prepared for: AECOM PE project number: AEC 3002 Contact: Vic Buljubasic Version Date Author Reviewer: Version notes 1 23/04/2020 As above Lincoln Kern (Practical Ecology) Pre-draft internal review 1 05/05/2020 As above AECOM and GB Energy Draft 1 2 13/05/2020 As above AECOM and GB Energy Draft 2 3 20/05/2020 As above Golden Beach TRG Draft 3 4 09/07/2020 As above AECOM and GB Energy Final V1 5 16/07/2020 As above AECOM and GB Energy Final V2 6 15/08/2020 As above AECOM and GB Energy Final V3 7 29/08/2020 As above AECOM and GB Energy Final V4 8 22/09/2020 As above AECOM and GB Energy & Golden Beach TRG Final V5 9 08/10/2020 As above TBC Final V6 Acknowledgements: Guido Jakschik – Agri Business Manager, Gippsland Water for providing additional biodiversity data Gidja Walker – Botanist/ Assistance with field surveys © Copyright Unless otherwise agreed in writing, this report is the intellectual property of Practical Ecology Pty Ltd. It is designed to be used exclusively by the person or organisation that commissioned it. Permission must be sought prior to reproduction of any portion of this document, and every effort made to ensure proper referencing of this document. Terrestrial and Freshwater Biodiversity Impact Assessment: Golden Beach Gas Project Contents EXECUTIVE SUMMARY 1 1. INTRODUCTION 20 2. EES SCOPING REQUIREMENTS 21 3. PROJECT DESCRIPTION 25 4. LEGISLATION, POLICY, GUIDELINES AND CRITERIA 29 5. METHODOLOGY 40 Terrestrial and Freshwater Biodiversity Impact Assessment: Golden Beach Gas Project 6. EXISTING CONDITIONS 67 Terrestrial and Freshwater Biodiversity Impact Assessment: Golden Beach Gas Project 7. RISK ASSESSMENT 112 8. IMPACT AND MITIGATION 117 Terrestrial and Freshwater Biodiversity Impact Assessment: Golden Beach Gas Project REFERENCES 193 APPENDICES Appendix 1. Flora recorded in Project Area 198 Appendix 2. Fauna recorded in Project Area 203 Appendix 3. Potentially occurring rare or threatened flora species 207 Appendix 4. Potentially occurring rare or threatened fauna species 215 Appendix 5. Tree data 233 Appendix 6. Vegetation Quality Assessment results 240 Appendix 7. Native Vegetation Removal Report 245 Appendix 8. Available offset credits 246 Appendix 9. Terrestrial Biodiversity Risk Assessment of the proposal in both the Construction and Operational phases 247 Appendix 10. Project Maps 258 Appendix 11. Results of Targeted Surveys for the Southern Toadlet 274 Appendix 12. Results of Targeted surveys for Green and Golden Bell Frog, Growling Grass Frog and Martin’s Toadlet 275 Appendix 13. Results for Dwarf Galaxias - Streamline Research P/L survey report 276 Appendix 14. Results for Hair Funnels and scat analysis surveys 277 Appendix 15. Results for Camera Monitoring plots surveys 279 Appendix 16. Results for Elliott traps survey 282 Appendix 17. Project assessments against the EPBC Act 285 TABLES Scoping Requirements relevant to this biodiversity impact assessment 21 Key legislation and policy 29 Planning Scheme Zones and Overlays within Project Area 33 Determining the Assessment pathway 36 Requirements for applications to remove native vegetation 37 Terrestrial and Freshwater Biodiversity Impact Assessment: Golden Beach Gas Project Criteria for potential occurrence of significant species 42 Summary of survey techniques and survey effort for mammal and reptile survey 52 Frog survey details 56 Stakeholder engagement relevant to terrestrial and freshwater biodiversity 65 Bioregional Conservation Status for Extant EVCs in Project Area. 69 Details of threatened communities identified by the PMST 76 Summary of Scattered and Large Trees in the preferred pipeline option 77 Summary of plant species recorded during the study 77 Significant flora species recorded during field surveys (Conservation Status legend: EPBC: EPBC Act listing; FFG, FFG Act listing, and DELWP: Advisory listing in Victoria) 79 Summary of significant flora species recorded, or have moderate or higher likelihood of occurrence 81 Declared noxious weeds occurring within the Project Area 84 Summary of fauna species recorded during the course of the Project 84 Declared established pest animals potentially occurring on site 89 Significant fauna species recorded during field surveys (Conservation Status: EPBC: EPBC Act listing; FFG, FFG Act listing, and DELWP: Advisory listing in Victoria) 90 Shorebird survey conditions from April 2019 to February 2020. 91 Summary of threatened seabird and shorebird species recorded during field surveys (Conservation Status legend: EPBC: EPBC Act listing; FFG, FFG Act listing, and DELWP: Advisory listing in Victoria) 92 Threatened Fauna species Targeted during surveys and incidental observation (Conservation Status legend: EPBC: EPBC Act listing; FFG, FFG Act listing, and DELWP: Advisory listing in Victoria) 93 Summary of significant fauna species recorded, or have moderate or higher likelihood of occurrence 97 Waterbirds and migratory waders at Gippsland Lakes and records identified as part of this study. 104 Potential GDEs based on the Ecological Vegetation (EVC) found at the Project Area. 108 Terrestrial and freshwater Biodiversity risks 112 Golden Beach Gas Project native vegetation impact summary 122 Potential impact summary Injury and/or mortality of wildlife during construction 123 An outline of areas of potential habitat fragmentation impacts, the duration of these effects and the likely fauna species/fauna types impacted 125 Expected Sound Power Levels at main onshore Project facilities / locations during construction 134 Potential impacts to EPBC Act flora and fauna recorded, or with moderate or higher likelihood 143 Potential impacts to FFG Act flora and fauna recorded, or with moderate or higher likelihood 148 Potential impacts to DELWP Advisory listed flora and fauna recorded, or with moderate or higher likelihood 151 Summary of assessment of how this project affects each LAC for the Gippsland Lakes Ramsar site (derived from EGCMA 2016). 162 Terrestrial and Freshwater Biodiversity Impact Assessment: Golden Beach Gas Project Knowledge gaps in relation to hypersaline wetland mega-habitats as derived from EGCMA (2016), along with a brief response in how this Project may influence each item. 170 Recommended mitigation measures 182 Offsets required for the project (worst case scenario) 191 Consequence Framework 247 Likelihood of an event occurring 248 Risk matrix 248 Consequence criteria 250 FIGURES Figure 1. Pipeline location including the gas field within Victorian Retention Lease VICRL1(V). 26 Figure 2. Golden Beach gas project schematic 27 Figure 3. Example Camera Monitoring Plot 51 Figure 4. Example Camera Monitoring Plot 51 Figure 5. Potential GDEs in the Sale – Golden Beach area (BOM 2019) 58 Figure 6. Coast Banksia Woodland 69 Figure 7. Example of modified Coast Banksia Woodland 69 Figure 8. Damp Sands Herb-rich Woodland 70 Figure 9. Intact Damp Sands Herb-rich Woodland 70 Figure 10. Coastal Saltmarsh surrounding Lake Reeve 71 Figure 11. Coastal Saltmarsh, looking south toward Golden Beach 71 Figure 12. Lowland Forest along Flints Road 72 Figure 13. Modified Lowland Forest within private property adjacent to dwelling and sheds 72 Figure 14. Heathy Woodland 73 Figure 15. Heathy Woodland 73 Figure 16. Swamp Scrub located between Golden Beach and Gippsland Water 74 Figure 17. Margins of Swamp Scrub near Lake Reeve 74 Figure 18. Coastal Dune Scrub looking toward Lake Reeve 75 Figure 19. Understorey of Coastal Dune Scrub 75 Figure 20. Subtropical and Temperate Coastal Saltmarsh (Vulnerable). 76 Figure 21. Subtropical and Temperate Coastal Saltmarsh (Vulnerable). 76 Figure 22. Ribbed Thryptomene 80 Figure 23. Blue Mat-rush in flowering phase observed 80 Figure 24. Gippsland Lakes Peppermint observed 80 Figure 25. Metallic Sun Orchid observed 80 Figure 26. Example of one of the many wombat burrows observed across the Project Area. 84 Figure 27. Example of open eucalypt canopy and varying density within understorey. 85 Figure 28. Example of open, grassy/herbaceous woodland with logs. 85 Figure 29. Example of deep, permanent wetland, with extensive fringing / emergent vegetation 86 Figure 30. Example of a farm dam with some fringing vegetation, with no water present. 86 Figure 31. Example of Tea-tree swamp habitat, which was dry during the surveys 86 Terrestrial and Freshwater Biodiversity Impact Assessment: Golden Beach Gas Project Figure 32. Example of Low-lying swampland adjacent to deep, well-vegetated lagoons 86 Figure 33. The open, high energy sandy ocean beach at Golden Beach, showing some of the edge of coastal dune and scrub vegetation. 87 Figure 34. The tussock grass and saltmarsh vegetation edging (a dry) Lake Reeve (early April 2019) 87 Figure 35. Estuarine habitats around Lake Reeve. 87 Figure 36. Shrubland adjacent to Lake Reeve. 87 Figure 37. Echidna, located near Lake Reeve 88 Figure 38. Bougainville’s Skink,Site C, Tile Grid 88 Figure 39. An abandoned Emu egg, observed in Heathy Woodland habitat 88 Figure 40. One of a pair of Sugar Gliders observed within Gippsland Water site,west of Dutson Downs pine plantation. 88 Figure 41. Red-bellied Black Snake, near the drain within Dutson Downs, west pine plantation 88 Figure 42. Eastern Long-necked Turtle within remnant habitat to the east of Site D, Dutson Downs. 88 Figure 43. Lake Reeve conditions – showing low water levels, December 2019 91 Figure 44. Dutson Downs lagoons, at full capacity with large flocks of waterfowl, December 2019 91 Figure 45.
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