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Somerton Road and Mickleham Road Growling Grass Frog Targeted Surveys, Somerton Road and Mickleham Road Map 1. Sites where targeted surveys were undertaken for the Growling Grass Frog: Somerton Road 13 Growling Grass Frog Targeted Surveys, Somerton Road and Mickleham Road 14 Growling Grass Frog Targeted Surveys, Somerton Road and Mickleham Road Map 2. Sites where targeted surveys were undertaken for the Growling Grass Frog: Mickleham Road 15 Growling Grass Frog Targeted Surveys, Somerton Road and Mickleham Road 16 Growling Grass Frog Targeted Surveys, Somerton Road and Mickleham Road 17 Growling Grass Frog Targeted Surveys, Somerton Road and Mickleham Road APPENDIX 2. Survey details, targeted GGF surveys, Somerton Road and Mickleham Road Site Reference Date Time (start) (AEDT) Temperature (°C) Relative humidity (%) Wind (km/hr) Moon phase Rain Cloud (%) Somerton Road Site 20.2 north 16/02/2018 2328 15.2 73.0 1.8 0 0 0 Site 20.2 north 21/02/2018 2313 22.7 59.5 0.0 0 0 90 Site 20.2 south 16/02/2018 2351 15.4 67.8 0.0 0 0 0 Site 20.2 south 21/02/2018 2345 22.0 68.5 0.0 0 0 85 Site 20.3 19/02/2018 2048 19.4 66.2 6 1 0 0 Site 20.3 27/02/2018 2045 25.9 37.4 0 3 0 0 Site 20.4 19/02/2018 2128 18.8 71.6 3.3 0 0 0 Site 20.4 27/02/2018 2122 25.7 39.8 1.6 3 0 0 Site 20.5 19/02/2018 2207 18 74.6 1.5 0 0 0 Site 20.5 27/02/2018 2200 23.7 48.2 0 3 0 0 Site 20.6 20/02/2018 2137 21.1 70.8 0 1 0 0 Site 20.6 23/02/2018 2139 28.6 38.9 1.5 0 0 90 Site 20.7 20/02/2018 2045 23.6 48.9 0 1 0 1 Site 20.7 23/02/2018 2047 29.6 37.2 8.5 0 0 90 Site 20.8 20/02/2018 2232 20.1 71.2 0 0 0 0 Site 20.8 23/02/2018 2229 28.3 39.9 2.7 0 0 75 Mickleham Road Site 18.6a 16/02/2018 2253 16.8 67.5 0.0 0 0 0 Site 18.6a 21/02/2018 2240 22.8 55.9 0.0 0 0 80 Site 18.8 16/02/2018 2054 17.8 62.9 2.0 0 0 0 Site 18.8 21/02/2018 2045 25.1 45.5 0.0 0 0 90 Site 18.9 16/02/2018 2137 16.1 68.2 3.4 0 0 0 Site 18.9 21/02/2018 2134 23.8 50.2 1.0 0 0 80 Codes Moon n/a; 0: No moon; 1: ¼ moon; 2: ½ moon; 3: ¾ moon; 4 Full Moon; 5: Moon Rain 0: Nil 1: Drizzle or light rain; 2: Rain; 3: Heavy Rain 18 Growling Grass Frog Targeted Surveys, Somerton Road and Mickleham Road APPENDIX 3. Survey results, targeted GGF surveys, Somerton Road and Mickleham Road Site Reference Date Time (start) (AEDT) Number GGF Other frog species Fish detected Somerton Road Crinia signifera, Lim tasmaniensis, Lim Site 20.2 north 16/02/2018 2328 0 dumerilii None detected Crinia signifera, Lim tasmaniensis, Lim None detected Site 20.2 north 21/02/2018 2313 0 dumerilii Site 20.2 south 16/02/2018 2351 0 Lim tasmaniensis, Lim dumerilii None detected Crinia signifera, Lim tasmaniensis, Lim None detected Site 20.2 south 21/02/2018 2345 0 dumerilii Site 20.3 19/02/2018 2048 0 None detected None detected Site 20.3 27/02/2018 2045 0 None detected None detected Site 20.4 19/02/2018 2128 0 None detected None detected Site 20.4 27/02/2018 2122 0 None detected None detected Site 20.5 19/02/2018 2207 0 None detected None detected Site 20.5 27/02/2018 2200 0 None detected None detected Site 20.6 20/02/2018 2137 0 None detected Gambusia Site 20.6 23/02/2018 2139 0 None detected Gambusia Site 20.7 20/02/2018 2045 0 None detected Gambusia Site 20.7 23/02/2018 2047 0 None detected Gambusia Site 20.8 20/02/2018 2232 0 None detected Gambusia Site 20.8 23/02/2018 2229 0 None detected Gambusia, carp Mickleham Road Site 18.6a 16/02/2018 2253 0 Lim tasmaniensis, Lim dumerilii None detected Site 18.6a 21/02/2018 2240 0 Lim tasmaniensis None detected Crinia signifera, Lim tasmaniensis, Lim None detected Site 18.8 16/02/2018 2054 0 dumerilii Site 18.8 21/02/2018 2045 0 Crinia signifera, Lim dumerilii Goldfish Site 18.9 16/02/2018 2137 0 Lim tasmaniensis, Litoria verreauxii None detected Lim tasmaniensis, Lim dumerilii, Litoria None detected Site 18.9 21/02/2018 2134 0 verreauxii Species Crinia signifera Common Froglet Crinia signifera Lim tasmaniensis Spotted Grass Frog Limnodynastes tasmaniensis Lim dumerilii Southern Bullfrog Limnodynastes dumerilii Litoria verreauxii Whistling Tree Frog Litoria verreauxii Gambusia Eastern Gambusia/ Mosquitofish Gambusia holbrooki 19 Growling Grass Frog Targeted Surveys, Somerton Road and Mickleham Road 20 Amethyst Hairstreak Butterfly Habitat Assessment Selina Mok Principal Environmental Consultant Arcadis Level 32/140 William Street, Melbourne Vic 3000 23rd November 2018 Amethyst Hairstreak Butterfly Habitat Assessment for the Outer Suburban Arterial Road, Yuroke to Craigieburn Introduction Practical Ecology Pty Ltd was commissioned by Arcadis Australia Pacific Limited (Arcadis) to undertake an Amethyst Hairstreak Butterfly habitat assessment along a road alignment in the suburbs of Craigieburn and Yuroke. Arcadis, as a sub-consultant to WSP Australia Pty Limited (WSP), has been appointed as Technical Advisor (TA) for the Outer Suburban Arterial Roads (OSAR) Project, located in outer Melbourne, Victoria. The Amethyst Hairstreak Butterfly (AHB) is listed as a Threatened Taxon in Schedule 2 of the Flora and Fauna Guarantee Act 1988 (FFG Act). In Victoria, it feeds on several species of Acacia and the larvae are attended by several species of Iridomyrmex sp. Ant (Rainbow Ants). The larvae feed during the day, usually on small trees to one metre, but sometimes up to seven metres. Adult AHB are present from November to March, with greatest numbers in December (Braby 2000). The butterfly is very scarce in Victoria; it tends to be very localised and now occurs only as remnant populations (Sands & New 2002). A review of database records for threatened fauna species within a 5km radius of the study area identified the AHB as having a moderate likelihood of occurrence, due to records in the search area and the presence of potential suitable vegetation/habitat types. It is known that there is a nearby single record from the Amberfield Nature Reserve that is located within 50 metres of Craigieburn Road, and is also adjacent to the Craigieburn Golf Course. The most recent sighting was recorded in early December 2017 by Brian Bainbridge of Merri Creek Management Committee. Other records for the species occur further north at Mt Piper Reserve in Broadford, further west in Gisborne, and further west between Ararat and the Grampians National Park (ALA, 2018). 1. Site description The study area is located between the townships of Yuroke and Craigieburn and occurs along the following roads: o Craigieburn Road (Mickleham Rd to Hume Hwy) – 5.28km o Mickleham Road (Somerton Rd to Craigieburn Rd) – 5.1km o Craigieburn Road (Hume Hwy to Hume Fwy) – 1.3km Practical Ecology PO Box 228 Preston Victoria 3072 Office: 2B Stott Street Preston Victoria p 03 9484 1555 f 03 9484 9133 e [email protected] www.practicalecology.com.au The construction footprint occurs along both sides of sections of Craigieburn and Mickleham Road and is mostly road reserve, with some areas including private residences and commercial properties (e.g. Craigieburn Golf Course). Vegetation throughout the area ranges from cultivated gardens, remnant patches of native vegetation in various condition, to cleared lawns and planted windrows. A desktop assessment identified areas of modelled Ecological Vegetation Classes (EVCs) that may be potential habitat for the butterfly (DELWP 2018). The habitat assessment focused on these areas, as well as the presence of Acacia species in a remnant or modified open woodland setting and with connectivity to broader areas of native habitat (particularly within the Aitken/Merri Creek corridor). 1.1. AHB Habitat Characteristics In Victoria, AHB larvae require various Acacia species for survival. AHB are also obligate myrmecophiles, meaning that they cannot survive without the presence of their host ant Iridomyrmex sp. The AHB occurs in dry open woodland, grassland and arid shrubland, provided the host plant and attendant ants are established (Braby 2000). Similar to other species that persist in fragmented landscapes, they require habitat connectivity to persist in an urban landscape (Sands & New, 2002). For instance, the population at Amberfield may persist via remnant vegetation within Craigieburn Golf Course, along Aitken Creek to Merri Creek and Craigieburn Grasslands to the east of the study site. 2. Methods 2.1. Amethyst Hairstreak Butterfly Habitat Assessment An AHB habitat assessment was undertaken to determine the likelihood of the species occurring on site. The objective was to identify where potential habitat may occur within the study area and undertake an assessment of parameters that impact upon the butterfly’s survival. This includes connectivity to remnant habitat, the presence of remnant vegetation and Acacia species, in particular Blackwood Acacia melanoxylon, Silver Wattle Acacia dealbata and Black Wattle Acacia mearnsii. The study site was traversed by vehicle in both directions to determine areas of potential habitat.
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