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West Wyalong Solar Projectbiodiversity Development Assessment Report January 2019

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Lightsource Development Services Australia Pty Ltd SLR Ref No: 610.18343-R01-v4.0_20190121.docx West Wyalong Solar ProjectBiodiversity Development Assessment Report January 2019 Field Survey Technique Target Species Survey Effort No. units Dates Time (Climacteris picumnus victoriae) Diamond Firetail (Stagonopleura guttata); Dusky Woodswallow (Artamus cyanopterus cyanopterus); Flame Robin (Petroica phoenicea); Gilbert's Whistler (Pachycephala inornata); Glossy Black-Cockatoo (Calyptorhynchus lathami); Grey-crowned Babbler (Pomatostomus temporalis temporalis); Grey Falcon (Falco hypoleucos); Hooded Robin (Melanodryas cucullata cucullata); Little Eagle (Hieraaetus morphnoides) Major Mitchell's Cockatoo (Lophochroa leadbeateri); Malleefowl (Leipoa ocellata); Painted Honeyeater (Grantiella picta); Regent Honeyeater (Anthochaera phrygia); Scarlet Robin (Petroica boodang); Spotted Harrier (Circus assimilis) Superb Parrot (Polytelis swainsonii) Swift Parrot (Lathamus discolor); Speckled Warbler (Chthonicola sagittata); and White-throated Needletail (Hirundapus caudacutus). Amphibian Survey All amphibians. 4 nights - 24-27 Sep 2018 7:30-9:30pm Reptile Survey All reptiles. 5 days - 24-28 Sep 2018 9:00-5:00pm Nocturnal Spotlighting Nocturnal fauna species and the following threatened 4 nights - 24-27 Sep 2018 7:30-9:30pm species: Page 23 Lightsource Development Services Australia Pty Ltd SLR Ref No: 610.18343-R01-v4.0_20190121.docx West Wyalong Solar ProjectBiodiversity Development Assessment Report January 2019 Field Survey Technique Target Species Survey Effort No. units Dates Time Grey-headed Flying-fox (Pteropus poliocephalus); Spotted-tailed Quoll (Dasyurus maculatus); and Squirrel Glider (Petaurus norfolcensis). Call Playback Fauna call playback was used to survey for the following 4 nights - 24-27 Sep 2018 7:30-9:30pm threatened fauna species: Barking Owl (Ninox connivens); Masked Owl (Tyto novaehollandiae); and Koala (Phascolarctos cinereus). Camera Surveillance All fauna (including pest species 4 days/nights 4 units 24-27 Sep 2018 5:30-6:30pm Microbat Surveys Microbat species and the following threatened species: 2 nights 4 Anabats 24-27 Sep 2018 6:00 -6:00am Corben’s Long-eared Bat (Nyctophilus corbeni); Inland Forest Bat (Vespadelus baverstocki); and Yellow-bellied Sheathtail-bat (Saccolaimus flaviventris). Page 24 Lightsource Development Services Australia Pty Ltd SLR Ref No: 610.18343-R01-v4.0_20190121.docx West Wyalong Solar Project January 2019 Biodiversity Development Assessment Report 2.4 Threatened Biodiversity Data Collection Following collation of database records and species and community profiles, as returned by the BAM Credit Calculator, the Bionet Atlas of NSW (OEH, 2018a) and the EPBC Protected Matters Search Tool (DoEE, 2018a), a ‘likelihood of occurrence’ assessment was prepared with reference to the broad habitats contained within the Project Site (Appendix D). Likelihood of occurrence was based on species distribution (IBRA subregion), native vegetation cover, minimum patch size, geographic constraint, habitat constraints, past records and the class of credit for threatened species (relevant to species credit species only). Likelihood of occurrence was defined for each species using the criteria presented in Table 8. Table 8 Key to Likelihood of Occurrence for Threatened Species Likelihood Criteria Present The species was observed in the proposal site during the current survey. High It is highly likely that a species inhabits the proposal site and is dependent on identified suitable habitat (ie for breeding or important life cycle periods such as winter flowering resources), has been recorded recently in the locality (10 km) and is known or likely to maintain resident populations in the proposal site. Also includes species known or likely to visit the proposal site during regular seasonal movements or migration. Moderate Potential habitat is present in the proposal site. Species unlikely to maintain sedentary populations; however, may seasonally use resources within the proposal site opportunistically or during migration. The species is unlikely to be dependent (ie for breeding or important life cycle periods such as winter flowering resources) on habitat within the proposal site, or habitat is in a modified or degraded state. Includes cryptic flowering flora species that were not seasonally targeted by surveys and that have not been recorded. Low It is unlikely that the species inhabits the proposal site and has not been recorded recently in the locality (10 km). It may be an occasional visitor, but habitat similar to the proposal site is widely distributed in the local area, meaning that the species is not dependent (ie for breeding or important life cycle periods such as winter flowering resources) on available habitat. Specific habitat is not present in the proposal site or the species are a non-cryptic perennial flora species that were specifically targeted by surveys and not recorded. None Suitable habitat is absent within the Project Site. The Protected Matters Search Report (PMSR) is also presented in Appendix E. 2.5 Biodiversity Credit Calculations The BC Act, together with the BC Regulation, outlines the framework for addressing impacts on biodiversity from development and clearing. It establishes a framework to avoid, minimise and offset impacts on biodiversity from development through the Biodiversity Offsets Scheme. In accordance with Section 3.2.1.5 of the BAM ‘Where the subject land contains paddock trees and intact native vegetation, an assessor may use the module for assessing clearing of paddock trees for that part of the proposal and the full BAM for the remaining areas’. An assessment of all paddock trees within the development site was undertaken. Under the BAM, vegetation meets the definition of paddock trees if: Page 25 Lightsource Development Services Australia Pty Ltd SLR Ref No: 610.18343-R01-v4.0_20190121.docx West Wyalong Solar Project January 2019 Biodiversity Development Assessment Report “A) The trees located on category 2 land are surrounded by category 1 land on the regulatory maps under the BC Act, or B) The native vegetation that comprises the groundcover is Less than 50% of the cover of indigenous species of vegetation; and Not less than 10% of the area is covered with vegetation (whether dead or alive), and The assessment is made at the time of year when the proportion of the amount of indigenous vegetation in the area to the amount of nonindigenous vegetation in the area is likely to be at its maximum, and C) The foliage cover for the tree growth form group is less than 25% of the benchmark for tree cover for the most likely plant community type, or D) It is a tree located more than 50 m away from any living tree that is greater than 20 cm DBH and the tree is located on category 2 land that is surrounded by category 1 land; or it is in a group of three (3) or fewer living trees within a distance of 50 m of each other, that in turn, are greater than 50 m from the next living tree that is greater than 20 cm DBH and located on category 2 land that is surrounded by category 1 land.” Under part B and C of the definition described above, a large number of trees within the development footprint of the Project Site meet the definition under the BAM to qualify as paddock trees. On this basis, a streamlined paddock tree assessment based on Appendix 1 of BAM is provided. Biodiversity credits required to offset impacts of the proposal were calculated using: Full BAM Calculator(Case No: 00013377) for impacts to mapped native vegetation zones; and Module for assessing clearing of paddock trees (Case No” 00013425), for impacts on paddock trees. Version 1.2.5.00 of the calculator was used with BAM data last updated 7/11/2018 – (Version: 4), available at https://www.lmbc.nsw.gov.au/bamcalc in accordance with the Biodiversity Offsets Scheme. These calculations were performed by SLR Associate Ecologist – Dr. Gilbert Whyte (BAM Accredited Assessor - BAAS18041) on 18/12/2018. 2.5.1 Ecosystem Credit Species and Candidate Threatened Species ‘Ecosystem credit species’ and ‘candidate threatened species’ as returned by the BAM (OEH, 2017b) are discussed in Section 3.5.5 and Section 3.5.6 respectively. Relevant habitat information for these species is presented in Appendix D. All BAM output reports are presented in Appendix F and Appendix G. 2.6 Survey Limitations and Assumptions The current survey was designed to provide an overall assessment of the ecological values within the Project Site and fulfil the requirements of the BAM (OEH, 2017b). Given the duration and timing of the field survey, it is likely that some of the species that may occur within the Project Site (i.e. permanently, seasonally or transiently) were not detected during the survey. However, the survey timing coincided with the appropriate season with favourable weather conditions for all threatened species with a moderate or higher likelihood of occurrence (see Section 2.3.3). Page 26 Lightsource Development Services Australia Pty Ltd SLR Ref No: 610.18343-R01-v4.0_20190121.docx West Wyalong Solar Project January 2019 Biodiversity Development Assessment Report Site conditions (including the presence of threatened species of flora and/or fauna) may change after the date of this report. SLR does not accept responsibility arising from, or in connection with, any change to the site conditions. SLR is also not responsible for updating this report if the site conditions change. Page 27 Lightsource
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