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Department of Health Shenton Park Site Flora and Fauna Assessment

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Department of Health Shenton Park Site Flora and Fauna Assessment Appendix C Environmental Reports (GHD 2015 and PGV Environmental 2015) URBIS 20152707 - PA1149 - SHENTON PARK DRAFT SCHEME REPORT - FINAL FOR LODGEMENT APPENDICES LandCorp Department of Health Shenton Park Site Flora and Fauna Assessment April 2015 This document is in draft form. The contents, including any opinions, conclusions or recommendations contained in, or which may be implied from, Executive summary LandCorp is undertaking preliminary investigations at Shenton Park Rehabilitation Hospital (Shenton Park) to determine its potential for future redevelopment. LandCorp commissioned GHD Pty Ltd (GHD) to undertake Level 1 flora and Level 1 fauna surveys at Shenton Park (The Study area) to investigate and report on the presence of any significant flora and fauna. The scope of works to complete the flora and fauna survey of the Study area aimed to satisfy all scoping requirements documented by LandCorp. The survey was undertaken in accordance with relevant legislation and guidelines. The results of the flora and fauna surveys are summarised below. The Shenton Park site includes a section of Jarrah Banksia woodland in the western part of the property that is in good condition and has relatively high environmental value. The area is adjacent to Bush Forever site 218. The remainder of the site includes parkland cleared areas and a man-made sump with a number of introduced species. The survey resulted in the recording of 109 flora species (41 of these are introduced). One Priority 4 species, Jacksonia sericea, was recorded in the western section of the site. Approximately 100 plants are present. One Threatened species, the orchid Caladenia huegelii, could potentially occur at the site. The timing of the survey was not suitable for determining the presence of this species. There are no recorded Threatened Ecological Communities (TECs) listed under the Environment Protection and Biodiversity Conservation Act 1999 (EPBC Act) or by the Department of Parks and Wildlife (DPaW) within 5 km of the Shenton Park site. Some of the site vegetation may align with a Priority Ecological Community, PEC 27 – Banksia dominated woodlands of the Swan Coastal Plain. Eleven conservation significant fauna species were considered to possibly occur or be likely to occur on the Shenton Park site, based on habitat suitability and records. No conservation significant species were recorded during the site survey. Three EPBC listed species are considered likely to occur at the site, and eight species may possibly utilize the site opportunistically. The three likely species are: x Calyptorhynchus latirostris (Carnaby's Black Cockatoo); x Calyptorhynchus banksia naso (Forest Red-tailed Black Cockatoo); and x Calyptorhynchus baudinii (Baudin’s Black Cockatoo) The Shenton Park site has potential nesting trees spread across the site. Based on DSEWPaC (2012) guidelines, approximately 1.88 hectares of feeding habitat and 2.4 hectares of potential breeding habitat is present. Potential for referrals under State or Commonwealth environmental acts DSEWPaC (2012) provides a risk table that gives guidance on what the Department views as risks\impacts to Black Cockatoos that will trigger referral. Based on an assessment of the risks, clearing of bushland at sites and subsequent impacts to Black Cockatoos would trigger referral based on: y Clearing of 2.4 hectares of potential breeding habitat at Shenton Park. y Clearing of 1.88 hectares of feeding habitat at Shenton Park. y Potential hydrological changes to feeding habitat at Shenton Park. GHD | Report for LandCorp - Department of Health Shenton Park Site, 61/276230/0 | i y Degradation of habitat through land changes; in particular, further edging effect of feeding habitat at Shenton Park. y Increased competition of breeding habitat by other species by removing hollows. y And potential movement or establishment of Phytophthora spp. (dieback) into Black Cockatoo habitat. Recommendations Further survey of the bushland section of the Shenton Park hospital site may be required if that area is to be cleared in the future. There is potential for the presence of the King Spider Orchid, Caladenia huegelii, which must be surveyed for in late September to mid-October. This report is subject to, and must be read in conjunction with, the limitations set out in sections 1.3 and 1.4 and the assumptions and qualifications contained throughout the Report. ii | GHD | Report for LandCorp - Department of Health Shenton Park Site, 61/276230/0 Table of contents 1. Introduction ............................................................................................................................... 1 1.1 Background ..................................................................................................................... 1 1.2 Study area....................................................................................................................... 1 1.3 Scope and limitations ...................................................................................................... 1 1.4 Assumptions.................................................................................................................... 2 2. Methodology ............................................................................................................................. 2 2.1 Desktop assessment ....................................................................................................... 2 2.2 Flora field assessment ..................................................................................................... 2 2.3 Fauna field assessment ................................................................................................... 3 2.4 Survey limitations ............................................................................................................ 4 3. Results ...................................................................................................................................... 5 3.1 Broad vegetation classification ........................................................................................ 5 3.2 Vegetation association .................................................................................................... 5 3.3 Threatened and Priority Ecological Communities ............................................................. 6 3.4 Site vegetation types ....................................................................................................... 6 3.5 Vegetation condition ........................................................................................................ 8 3.6 Flora diversity .................................................................................................................. 8 3.7 Conservation significant flora ........................................................................................... 9 3.8 Fauna habitat .................................................................................................................. 9 3.9 Fauna diversity .............................................................................................................. 10 3.10 Conservation significant fauna ....................................................................................... 11 3.11 Black cockatoos ............................................................................................................ 13 3.12 Risk referral table .......................................................................................................... 14 4. Conclusion and recommendations ........................................................................................... 15 4.1 Recommendations ........................................................................................................ 15 5. References ............................................................................................................................. 16 Table index Table 1 Extent remaining of vegetation type in the State, Bioregion and relevant Local Government Area ............................................................................................................ 6 Table 2 Vegetation types.............................................................................................................. 7 Table 3 Vegetation condition rating scale ..................................................................................... 8 Table 4 Fauna species recorded during field survey ................................................................... 10 Table 5 Likelihood of occurrence of conservation significant fauna ............................................. 11 Table 6 Black cockatoo risk referral assessment ........................................................................ 14 GHD | Report for LandCorp - Department of Health Shenton Park Site, 61/276230/0 | iii Figure index Figure 1 Locality.......................................................................................................................... 19 Figure 2 Vegetation Types .......................................................................................................... 19 Figure 3 Vegetation Condition ..................................................................................................... 19 Figure 4 Potential Nesting Trees for Black Cockatoos ................................................................. 19 Appendices Appendix A - Figures Appendix B – Desktop Search Results Appendix C - Field Survey Results Appendix D - Relevant
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