Calga Sand Quarry Biodiversity Monitoring Report Hanson 8 February 2021 Draft Calga Sand Quarry Draft | Hanson Cumberland Ecology(02) 9868 © 1933 | PO Box 2474 Carlingford Court NSW 2118 | cumberlandecology.com.au Page i Report No. 12081RP9 The preparation of this report has been in accordance with the brief provided by the Client and has relied upon the data and results collected at or under the times and conditions specified in the report. All findings, conclusions or commendations contained within the report are based only on the aforementioned circumstances. The report has been prepared for use by the Client and no responsibility for its use by other parties is accepted by Cumberland Ecology. Version Date Issued Amended by Details BF 08 February 2020 BF Draft Approved by: Bryan Furchert Position: Project Manager/Botanist Signed: DRAFT Date: 31 March, 20218 February, 2021 Calga Sand Quarry Draft | Hanson Cumberland Ecology © Page ii Table of Contents Executive Summary vi 1. Introduction 1 1.1. Purpose 1 1.2. Background 1 1.3. Legislation Changes 3 2. Monitoring Methods 5 2.1. Literature Review 5 2.2. Site Inspections 5 3. Results - Rehabilitation Monitoring, Fauna, and Threatened Flora Species 9 3.1. Quadrat Surveys 9 3.2. Rehabilitation Progress 25 3.3. Priority Weeds 25 3.4. Fauna 26 3.5. Threatened Species Monitoring 27 4. Results - Groundwater Dependent Ecosystems 36 4.1. Sandstone Hanging Swamps 37 4.2. Sandstone Ranges Gully Forest 42 5. Conclusions and Recommendations 46 5.1. Conclusion 46 5.2. Recommendations 47 6. References 50 Table of Tables Table 1 Required revegetation species .............................................................................................................................................. 2 Table 2 Coordinates, Orientation and Photo Point Location of Quadrats ........................................................................... 6 Table 3 Coordinates, Orientation and Photo Point Locations of Groundwater Dependent Ecosystem Quadrats ........................................................................................................................................................................................................................... 8 Table 4 Revegetation species required to be represented in the final landform and their presence in quadrats in 2019 .......................................................................................................................................................................................................... 25 Table 5 Priority Weeds recorded in monitoring quadrats ........................................................................................................ 25 Table 6 Monitoring Quadrat Data 2019 and 2020 .................................................................................................................... A.2 Table 7 GDE Monitoring Quadrat Results 2019 and 2020 ................................................................................................... C.16 Table 8 Recommended Planting Species ................................................................................................................................... D.33 Calga Sand Quarry Draft | Hanson Cumberland Ecology © Page iii Table of Photographs Photograph 1 Vegetation within Quadrat 1 .................................................................................................................................. 10 Photograph 2 Erosion along the top edge of the NW bund wall ........................................................................................ 11 Photograph 3 Lantana camara in Rehabilitation Area 5 .......................................................................................................... 12 Photograph 4 Vegetation in Quadrat 4 ........................................................................................................................................... 13 Photograph 5 Vegetation in Quadrat 5 ........................................................................................................................................... 15 Photograph 6 Vegetation within Quadrat 2 .................................................................................................................................. 16 Photograph 7 Vegetation in Quadrat 3 ........................................................................................................................................... 18 Photograph 8 Plantings in Rehabilitation Area 4 ........................................................................................................................ 19 Photograph 9 Well established plantings in Rehabilitation Area 6 ...................................................................................... 20 Photograph 10 Eucalyptus haemastoma seedling in Area 4 ................................................................................................... 20 Photograph 11 Pine seedling in Area 4 ........................................................................................................................................... 21 Photograph 12 Vegetation in Rehabilitation Area 8 .................................................................................................................. 22 Photograph 13 Plantings in Rehabilitation Area 9 ...................................................................................................................... 22 Photograph 14 Exotic grasses establishing in Rehabilitation Area 9 ................................................................................... 23 Photograph 15 Extensive plantings in Area 3/2A (December 2019) .................................................................................... 24 Photograph 16 Extensive plantings in Area 3/2A (December 2020) .................................................................................... 24 Photograph 17 Rock Platform at MP1 surrounded by mats of D. glaucophylla ............................................................. 28 Photograph 18 Tagged D. glaucophylla individual (Dg1) in December 2019 .................................................................. 29 Photograph 19 Tagged D. glaucophylla individual (Dg1) in December 2020 ................................................................. 29 Photograph 20 Tagged D. glaucophylla individual (Dg1) flowering in December 2020 ............................................. 30 Photograph 21 Dg2 in December 2019 ........................................................................................................................................... 31 Photograph 22 Dg2 in December 2020 ........................................................................................................................................... 31 Photograph 23 D. glaucophylla individuals on ridge above MP3 ......................................................................................... 32 Photograph 24 Tagged individual (Dg3) in December 2019 .................................................................................................. 33 Photograph 25 Tagged individual (Dg3) in December 2020 .................................................................................................. 33 Photograph 26 New H. procumbens individual located in west of Quarry Site ............................................................... 34 Photograph 27 Flowering H. procumbens individual ................................................................................................................. 35 Photograph 28 Post-fruiting H. procumbens individual ............................................................................................................ 35 Photograph 29 Euastacus spinifer within GDE 5........................................................................................................................... 36 Photograph 30 Quadrat GDE1 in December 2019 ...................................................................................................................... 38 Photograph 31 Quadrat GDE1 in December 2020 ...................................................................................................................... 38 Photograph 32 Quadrat GDE2 in December 2019 ...................................................................................................................... 39 Photograph 33 Quadrat GDE2 in December 2020 ...................................................................................................................... 40 Photograph 34 Quadrat GDE3 in December 2019 ...................................................................................................................... 41 Photograph 35 Quadrat GDE3 in December 2020 ...................................................................................................................... 41 Photograph 36 Quadrat GDE4 in December 2019 ...................................................................................................................... 43 Photograph 37 Quadrat GDE4 in December 2020 ...................................................................................................................... 43 Photograph 38 Quadrat GDE5 in December 2019 ...................................................................................................................... 44 Calga Sand Quarry Draft | Hanson Cumberland Ecology © Page iv Photograph 39 Quadrat GDE5 in December 2020 .....................................................................................................................