Vol-2H App-S Biodiversity-Assessment

Chapter: Vol 1C Chapter 21 Biodiversity

Appendix Vol 2H App S Biodiversity Assessment

Hi-res pdf: New M5 EIS Vol 2H App S Biodiversity Assessment Report.pdf

Low-res pdfs:

Section Pages
1 Introduction 1  
1.1 Project background 1  
1.2 Overview of WestConnex 3  
1.3 Overview of the project 4  
1.4 Study area 5  
1.4 Construction footprint 6  
1.4 Operational footprint 6  
1.5 Context of Biodiversity Assessment Report 6  
1.5 Assessment guidelines 7  
1.6 Report structure 7  
2 Methodology 13  
2.1 Background information 13  
2.1 Database searches 13  
2.1 Previous reports 13  
2.1 Previous studies 16  
2.2 Assessment methodology 16  
2.2 Field surveys and database searches 16  
2.2 Survey effort 18  
2.2 Survey conditions 19  
2.2 Project personnel 20  
2.2 Limitations 20  
3 Landscape features 21  
3.1 IBRA bioregions and subregions 21  
3.2 Mitchell Landscapes 21  
3.3 Rivers, stream and estuaries 21  
3.4 Wetlands 21  
3.5 Groundwater dependent ecosystems 25  
3.6 Landscape value score 26  
3.6 Current and future native vegetation cover score 26  
3.6 Connectivity value score 27  
3.6 Patch size 27  
3.6 Change in area to perimeter ratio 28  
4 Native vegetation 31  
4.1 communities 31  
4.1 Cumberland Plain, Sydney Basin Bioregion (PCT 725 or ME002) 31  
4.1 Sydney Basin Bioregion (PCT 1064 or ME050) 32  
4.1 Turpentine Grey Ironbark open forest on shale in the Sydney Basin (PCT 1281 or ME041) 32  
4.1 gullies of western Sydney, Sydney Basin (PCT 1181 or ME029) 33  
4.2 Other vegetation 34  
4.2 Urban native and exotic 34  
4.3 Vegetation zones 36  
5 Threatened species 47  
5.1 Ecosystem credit species 47  
5.2 Species credit species 48  
5.2 Green and Golden Bell Frog 55  
5.3 Aquatic biodiversity 57  
6 Avoidance, mitigation and impacts 59  
6.1 Avoidance and minimisation of impacts 59  
6.1 Alternate locations 60  
6.1 Route alignment 60  
6.2 Assessment of impacts 61  
6.3 Direct impacts 70  
6.3 Vegetation 70  
6.3 Threatened species 71  
6.3 Fauna habitat 71  
6.3 Weeds 72  
6.3 Changes to hydrology 73  
6.3 Loss of aquatic habitat 73  
6.4 Indirect impacts 74  
6.4 Pathogens and animal pests 74  
6.4 Noise, vibration, light and dust 76  
6.4 Wildlife connectivity and habitat fragmentation 77  
6.4 Fragmentation and isolation 77  
6.4 Trampling and unauthorised access 77  
6.4 Injury and mortality 77  
6.4 Downstream changes to aquatic and riparian habitat 78  
6.4 Impact on relevant Key Threatening Processes 78  
6.5 Negligible impacts 80  
6.5 Groundwater dependent ecosystems 80  
6.5 Alteration of artificial or highly disturbed waterways. 83  
6.6 Mitigation measures 84  
6.6 Standard mitigation measures 84  
6.6 Project specific measures 85  
6.6 Assessment of mitigation measures for Bilateral assessment 89  
7 Impact summary 97  
7.1 Areas not requiring assessment or offsets 97  
7.2 Ecosystems requiring offsets 97  
7.3 Species requiring offsets 98  
7.4 Landscape features requiring offsets 98  
7.5 Aquatic biodiversity offsets 99  
7.6 Impacts requiring further consideration 99  
7.7 Supplementary SEARs 100  
8 Biodiversity credit report 109  
8 References 111  
8 Appendix A Likelihood of occurrence 119  
8 Appendix B Plot and transect field data 178  
8 Appendix C Plot and transect field data sheets 180  
8 Appendix D Flora species recorded 181  
8 Appendix E Fauna species recorded 185  
8 Appendix F Hollow- bearing tree survey results 190  
8 Appendix G EPBC Act Significant Impact Criteria 192  
8 Appendix H FBA Methodology and where addressed in document 205  
8 Appendix I Compliance with Commonwealth requirements 211  
8 Appendix J Detailed project description 222  
8 Appendix K Green and Golden Bell Frog Plan of Management 223  
8 Appendix L Biodiversity Credit Report 224  
8 ecosystems (Figure courtesy of AECOM) 9  
8 Figure 2: Site map, areas in red outline are the development site assessed under the FBA 11  
8 Figure 3: Location map of the development site 23  
8 Figure 4: Landscape value assessed 29  
8 Figure 5: Vegetation zones, PCTs, EECs and management zones within impact area – Map 1 37  
8 Figure 6: Vegetation zones, PCTs, EECs and management zones within impact area – Map 2 39  
8 Figure 7: Vegetation zones, PCTs, EECs and management zones within impact area – Map 3 41  
8 Figure 8: Vegetation zones, PCTs, EECs and management zones within impact area – Map 4 43  
8 Figure 9: Vegetation zones, PCTs, EECs and management zones within impact area – Map 5 45  
8 Figure 10: Green and Golden Bell Frog species polygon 108  
8 Figure 11: HBT Locations 191  
8 Table 2: Development site locations 6  
8 Table 3: Summary of survey effort 19  
8 Table 4: Weather observations during field survey 19  
8 Table 5: Personnel and qualifications 20  
8 Table 6: Groundwater Dependent Ecosystems in the development site 25  
8 Table 7: Potential GDEs outside the development site but inside the extent of drawdown 26  
8 Table 8: Area of vegetation in buffer area 27  
8 Table 9: Mitchell landscapes, patch sizes, size classes and scores 28  
8 Table 10: Change in area, perimeter and ratio before and after development 28  
8 Table 11: Vegetation in the development site 35  
8 Table 12: Vegetation zones and plot requirements 36  
8 Table 13: Ecosystem credit species on development site 47  
8 Table 14: Geographic and habitat questions and answers 49  
8 Table 15: List of candidate species credit species and second filtering step 50  
8 Table 16: Summary of impacts relevant to MNES 62  
8 Table 17: Direct impacts on native vegetation 70  
8 Table 18: Noxious and environmental weed species recorded in study area 72  
8 Table 19: Known and potential Key Threatening Processes and impacts on biodiversity 78  
8 Table 20: Impact to groundwater dependent ecosystems 82  
8 Table 21: Mitigation measures 87  
8 Table 22: Assessment of mitigation measures for Bilateral assessment process 90  
8 Table 23: PCTs requiring offset and ecosystem credits 98  
8 Table 24: Species requiring offset and credits required 98  
8 Table 25: Rationale for exclusion of matters for further consideration 101  
8 Table 26: Rationale for assessment of supplementary SEARs 104  
8 Table 27: Native flora species list recorded within the development site during the field survey 181  
8 Table 28: Exotic species list recorded during the field survey 184  
8 Table 29: Fauna species list recorded during the field survey 185  
8 Table 30: Migratory wader survey 15 April 2015 186  
8 Table 31: Migratory wader survey 16 April 2015 187  
8 Table 32: Migratory wader survey 22 April 2015 188  
8 Table 33: Migratory wader survey 23 April 2015 189  
1 1 and 2 and where these are addressed in this report 205  
1 Table 35: Compliance with Commonwealth requirement 211  
1 Introduction 1  
1.1 Background 1  
1.2 Purpose of the Plan of Management 2  
1.3 Objective of plan 2  
2 Legislative context and related documents 5  
2.1 Threatened Species Conservation Act 1995 5  
2.2 Environment Protection and Biodiversity Conservation Act 1999 5  
2.3 Secretary’s Environmental Assessment Requirements 5  
2.4 Guidelines and related documents 5  
3 Green and Golden Bell Frog 7  
3.1 Description 7  
3.2 Habitat 8  
3.3 Species status and distribution 8  
3.3 Sydney Key Populations 9  
3.4 Key threatening processes 9  
4 Impacts, mitigation and management measures 11  
4.1 Description of impacts 11  
4.2 Current management 12  
4.3 Proposed management 12  
4.4 Project specific mitigation measures 13  
4.4 Construction mitigation measures 13  
4.4 Habitat enhancement and management within adjacent habitat including the RTA ponds 18  
4.4 Habitat creation at Marsh St and the establishment of a captive breeding population 21  
5 Monitoring and Reporting 23  
5.1 Monitoring implementation of mitigation strategies 23  
5.2 Population monitoring 23  
5.2 References 25  
5.2 Appendix A Unanticipated find procedure 27  
5.2 Figure 1: Proposed impact area and Green and Golden Bell Frog habitat 3  
5.2 Figure 2: Area proposed for habitat at Marsh Street 22  
5.2 Table 1: Construction mitigation and management measures within the construction zone 14  
5.2 Table 2: Habitat enhancement measures 18  

Next appendix: Vol 2H App T Biodiversity Offset Strategy

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