Land Management Plan 2004 - 2050 Flinders University South ...

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Land Management Plan Significant Tree Report Flinders University South Australia 3. Audit Process and Findings 3.1 Methodology 3.1.1 Defining the Study Area At the project inception meeting in August 2003, it was agreed that the study area be contained to the ‘developed’ areas of the site and along the site boundaries of South Road, Sturt Road and Bellevue Drive. This decision was based on the likelihood that any future development that may require “tree damaging activity” to be undertaken is most likely to be located in this area. Table 3.1 provides a brief description for each of the eight zones within the study area, the location of trees and species of significant trees identified (refer to Appendix A for site plan). Zone 5, which contains “The Flats” portion of Flinders Medical Centre, was included in the survey on the basis that some of the trees could have the potential to impact on Flinders University land. 3.1.2 Data Collection The audit was conducted during September 2003 and involved a project team member walking the site to identify the significant trees and record relevant information using a handheld GPS unit. This information included trunk circumference, species and any general comments such as the health of the tree, actual or potential damage to assets, etc. The location of each tree was automatically logged via the GPS receiver and given an identification number. This enabled the tree locations to be overlaid onto an existing cadastral base plan of the site, which is intended to enable ease of use for field maintenance staff (A hard copy of this plan is provided in Appendix B). In total 206 significant trees were identified, comprising of seven species, described in detail below. It is noted that there were a number of anomalies regarding the elevation of trees 4 . This can be attributed to interference from tree canopies and buildings that occasionally prevent full satellite reception. The ground location (easting and northing) has a higher level of accuracy but can also be susceptible to the same problems 5 . 3.2 Species Identification Whilst the Bedford Park campus has a range of native and exotic species only a few have reached the “significant” size, these are noted on Table 3.1 overleaf: Table 3.1 – Significant Tree Species Scientific Name Common Name Brief description Eucalyptus camaldulensis River Red Gum Widespread along watercourses in mainland Australia, indigenous to site. Trunk base has rough bark that becomes smooth higher up. Can grow to 35m and mature specimens have habit of dropping branches in hot weather. Eucalyptus citriodora Eucalyptus cladocalyx Eucalyptus globulus Eucalyptus leucoxylon Eucalyptus microcarpa Eucalyptus sideroxylon Fraxinus rotunidifolia Platanus orientalis Lemon-scented Gum Sugar Gum Tasmanian Blue Gum (South Australian) Blue Gum Grey Box (Red) Ironbark Ash Plane Indigenous to Eastern States. Smooth white-barked tree up to 30m high. Leaves have strong citronella odour when crushed. Indigenous to SA but not the site. Can grow to 35m height, with shaft-like trunk and several long main branches. Indigenous to Tasmania and wettest regions of Victoria. Can grow to 70m height with tall, straight trunk. Indigenous to site. Can grow to 30m height, with a slender smooth-barked trunk. Indigenous to site. Can grow to 25m height, with grey fibrous bark reaching to primary branches. Indigenous to Great Dividing Range. Can reach 30m height, distinguished by furrowed, rough bark and grey leaves. Introduced species. Can grow to 20m height, distinguished by furrowed bark and multi-toothed leaves. Introduced species. Can grow to 40m height, with a tall smooth-barked trunk that has a ‘mottled’ appearance. Pyrus sp. Pear Introduced species. Quercus Robur Common Oak Introduced species. Deciduous tree that can grow to 40m height, distinguished by furrowed bark, leaves and spreading crown. Robinia pseudoacacia False Acacia Introduced species. Deciduous tree that can grow to 20m height with a spreading crown. Has habit of ‘suckering’. Salix babylonica Willow Introduced species. Can grow to 30m height, distinguished by pendulous “drooping” crown. 4 For this reason, the listed elevations should be used as a guide only. It is recommended to use the listed eastings and northings to locate particular trees on the ground, as these measurements have a higher degree of accuracy. Elevations regarded as inaccurate are highlighted in the Excel spreadsheet. 5 The initial audit included some tree locations that were considerably different to the aerial photographs. To correct these anomalies, a surveyor revisited the site and took measurements from known site features and then manually corrected the spreadsheet and cadastral plan. Schinus areira Pepper Tree Introduced species. Can grow to 30m height, distinguished by pendulous “drooping” crown and small red berries. There are likely to be a number of Olive trees (Olea europaea) that meet the significant size requirements, however they are located outside the study area for the purpose of this exercise. As a listed species in Mitcham Council (under s.4 of the Animal and Plant Control Act) along with Aleppo Pines, they are not protected by the Development Act. ⏐ FEBRUARY 2004 ⏐ PAGE 4
Land Management Plan Significant Tree Report Flinders University South Australia Table 3.1 – Summary of Study Area and Audit Findings Zone Characteristics Distributions of Trees Species and No. of Significant Trees 1 Sporting Grounds Numerous sport ovals and associated buildings, such as a sports pavilion Trees existed on all boundaries of the ovals, including a strip of trees between the lower and upper ovals adjacent the sports pavilion. Thirty-one Sugar Gums identified as ‘significant’ existed on Transport SA road reserve adjacent the western boundary fence along Main South Road. River Red Gum (34) Lemon-scented Gum (3) Sugar Gum (31) 2 Sturt Campus Education buildings, including a library, ASM School and associated carparking. Recreation areas include a creek and oval River red gums are the predominant significant tree in this area, being found around the ovals, on the northern side of the Sturt Library and between the A.S.M. School and Bellevue Drive adjacent the creek. River Red Gum (40) Lemon-scented Gum and Tasmanian Blue Gum (1) 3 Student accommodation Predominantly consists of student housing, a childcare facility and university hall. Construction is currently underway at the southern end of this area There were few significant trees identified within this area, which is predominantly student housing. A childcare facility and a university hall are also present. Construction of additional accommodation is being undertaken at the southern end. River Red Gum (7) Lemon-scented Gum and Grey Box (4 each) Oak (1) 4 Future Development Open land to south of student accommodation with no structures existing within this area other than a house in the southeastern corner. All but one of the significant trees within this area are Grey Box. The Aleppo Pine forest forms the southern boundary of this area. Grey Box (22) Blue Gum (1) 5 The Flats Accommodation for patients of the Flinders Medical Centre (NB. This is outside the area Flinders University responsibility however some of the trees have potential to impact on FUSA land). Most of the significant trees in this area were located in a gully in the northeastern section. One large tree existed near the junction of Flinders Drive and Ring Road. Blue Gum (10) Pepper tree (1) 6 Northern Main Campus Education buildings comprise the majority of this area with an expansive carpark at the eastern end. The quadrangles and area fringing Central Park have been landscaped and contain a variety of significant trees Blue Gum and Plane (3) Lemon-scented Gum, Ironbark, Sugar Gum, Ash, Eucalypt and Swamp Oak (1) 7 Central Park and Carpark 2 There are no buildings within this area. A carpark is located at the south-eastern end and a dam at the north-eastern end. Central Park has a number of groves that contain significant trees. The Carparking areas also have a number of trees, however none of those in Carpark 2 were significant and Carpark 3 was not surveyed. Lemon-scented Gum and Willow (4) Sugar Gum (3) River Red Gum, Grey Box and Elm (2) Carob and Pear (1) 8 Southern Main Campus Contains buildings, carparks, undeveloped land and construction is also currently occurring in the south-western corner. The quadrangles and area fringing Central Park have been landscaped and contain a variety of significant trees. River Red Gum and False Acacia (3) Blue Gum and Plane (2) ⏐ FEBRUARY 2004 ⏐ PAGE 5
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Page 49 and 50: Appendix A Flora and Fauna Species
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