Salt Marsh Remnant (147 112) Are of Some Botanical Interest
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... ,. \ ' r f I l ~- - ,,, . 4 t 1 1 1 1·~r111 11111111 ~~I t1l1111 ~11r111, 11~ 1r111 1,1r~ 111111111111111·11J111r1111111 3 101 0 00024448 5 Sites of Botanical Significance in the Western Region of Melbourne Keith McDougall 1987 ~... Prepared by: The Department of Geography, University of Melbourne Prepared for: Department of Conservation, Forests and Lands; Arthur Rylah Institute - Ecological Inventory and Evaluation Section This project was carried out with the support of the Department of Conservation, Forests and Lands, Victoria and the Melbourne Western Region Commission Incorporated. AU views expressed are those of the author and must not be taken as the official views of the Department of Conservation, Forests and Lands, or the Melbourne Western Region Commission Incorporated. Contents ABSTRACT 1 ACKNOWLEDGEMENTS 1 CHAPTER I Introduction Assessment of Significance 3 Survey Technique 3 How to Find Sites in the Report 3 Index of Sites by Municipality 4 Index of Sites by Significance 6 CHAPTER 2 The N4tural Features of the Region Introduction 9 Geology 9 Terrain 9 Climate 10 CHAPTER3 Vegetation of the Western Region of Melbourne Introduction 15 Plant Communities 15 Road and Rail Reserve Vegetation 20 Weeds 20 CHAPTER4 Sites of Botanical Significance Broadmeadows Mapsheet (B) 23 Maribyrnong Mapsheet (M) 24 Altona Bay Mapsheet (AB) 27 Sunshine Mapsheet (S) 29 Keilor Mapsheet (K) 49 Sydenham West Mapsheet (SW) 59 Truganina Mapsheet (T) 65 Werribee Mapsheet (W) 68 Manor Mapsheet (Ma) 70 Eynesbury Mapsheet (E) 73 Melton Mapsheet (Me) 78 Toolem Vale Mapsheet (TV) 84 Bullengarook Mapsheet (Bu) 89 Lerderderg Mapsheet (L) 91 Balliang Creek Mapsheet (BC) 97 You Yangs Mapsheet (YY) 101 Staughton Vale Mapsheet (SV) 104 I ngliston Mapsheet (1) 108 CHAPTERS References 112 APPENDIX 1 Presettlement Vegetation Map References 113 APPENDIX 2 Indigenous Species of the Western Melbourne Region 114 Abstract This study examines aspects of the natural vegeta scarps, which contained Stringybark Forests. The tion of the Western Region of Melbourne. It in Stringybark Forests have remained because of their cludes a detailed survey of both public and private unsuitability for agriculture and forestry. So too has · 1and in the predominantly urban municipalities of much of the Riparian Vegetation and Grey Box Sunshine, Footscray, Williamstown, Altona, Keilor Woodland. The grasslands however have been and Essendon. In the rural municipalities of Bac greatly depleted. Less than one per cent remains, chus Marsh, Melton and Werribee the detailed sur .mostly on road and rail reserves. vey was confined to public land, with private land bemg assessed on the basis of existing information The botanical significance of the Region's remnant supplemented by limited field work. vegetation is assessed using criteria discussed in A generalized map of vegetation in the region at the Chapter I. One hundred and two sites are identified time of European settlement was derived by as significant. Of these, one is of National signifi comparing remnant stands with early cadastral and cance, 22 are of State significance, 30 are of Re parish maps, which include some detail of tree gional significance and 43 are of Local significance. cover and species. The region was dominated by the ·Three sites in the Shire of Corio are included vast treeless basalt plain of tussock grasses and because they add to our knowledge of the south herbs that stretched from the Maribyrnong River to western edge of the Western Melbourne Region. the dissected scarps of the Brisbane and Lerderderg Management strategies for ensuring the viability of Ranges. The few rivers that cut through the basalt the significant ve~etation are included with site were lined with River Red Gum. Grey Box Wood~ descriptions. Minimisation of disturbance is the lands developed on alluvial fans at the bases of the most common prescription. Acknowledgements This report was prepared in the Department of bourne) for assisting in the computer productlon of Geography at the University of Melbourne. I Figures 5, 6 and 7. acknowledge the use of that Department's facilities Many thanks also to those who supplied specific site and the assistance of staff members, particularly information: David Albrecht and JeffYugovic (Na Neville Rosengren for supplying the information in tional Herbarium), Doug Frood (Botany Depart Chapter 2 and skilfully administering the project, ment, University of Melbourne), Ames He1slers and Wendy Nicol for preparing the plates and copy (National Parks Service); David Howe (Land ing maps. Protection Service), Barry Kemp, Don Marsh and I am indebted to Jenny Purdy for all drafting in this Carl Rayner (Friends of Organ Pipes), Bronwyn report, Robin Adair (Land Protection Service) for Myers (Depanment of Agriculture), John Stuwe assistance with difficult plant identifications, Helen (Botany Department, La Trobe University) and McCallum (Western Region Commission) for tony Witham (Melbourne and Metropolitan Board SUP.plying information on land ownership, and Ross of Works). Millward (Computer Centre, University of Mel- All photographs were taken by the author. 8 0V) N- ""~s,.,~ Cl) 'I- A ..c ..... '~~ ...... ,,. ~ -0 >- ~ ll NGLl::N~ 2 -0 c: . GO!ltC.l ' <'i Cl) cu «$u 4 ~ Cl 7 :§i ~ 5 3 4 2 ..... 0 ~ \ 4 STAUGHTON VALE ! EYNESBURY. Ill 6R.ISJ!ll)jL :s z s Ci5 <,.... 0 l<l\N G£~ c: 0 . 13 ·-=:; ::J 0 2 · 2 12. 2U--- I ~ ~~... - I .0 v ·c:.;; as..... ~ I ~ L. ...... MANOR e ::;S .!!!> IJ.. N Chapter 1 Introduction The Western Region of Melbourne has lost most of Survey Thclmique its indigenous vegetation and is in danger oflosing the few remnants that have clung to a precarious Sites were selected initially by interpretation of ae existence during 150 years ofland use. Its botanical rial photographs. Wetland and woodland areas were heritage can only be preserved through informed easily identified. Native grasslands were difficult to planning. This survey of the Region's sites of locate and hence required considerable field botanical significance will supply the information checking. for such planning. · Most sites were surveyed during winter so annual and hemicryptophyte species could not be ac Assessment of Significance counted for. Major species and site characteristics were· listed. Further information was obtained from The sites listed in this report have been identified as people with knowledge of particular sites. significant remnants of presettlement vegetation. Three sites of significance were identified during· Their degree of significance has been assessed in the survey in the Shire of Corio near its border with National, State, Regional (Western Melbourne Re the Shire of Bacchus Marsh. They have been in gion) and Local contexts using the following cluded in the Report because they provide evidence criteria: of the former vegetation of the south-western part - Rareness of species of the Western Melbourne Region and will be valu - Rareness of vegetation able sources of seed for the rehabilition of sites in - Representativeness of vegetation that area. - Cover of weeds - Viability of vegetation and species - Disjunction of species - Size of stand How to Find Sites in the Report Maintenance of species diversity through preserva tion of taxa and combinations of taxa (plant Sites of significance may be found in this report in communities) has highest priority in vegetation three ways: management. Rareness of a site's species and (I) By Mapsheet - The distribution of sites and the vegetation is clearly the most important consid I:25000 mapsheet on which they occur are shown in eration in assessing significance. The site Figure I. Sites are listed in the text by mapsheet. characteristics applicable to each of the significance They are identified by a rnapsheet abbreviation and categories used are listed below. number (eg. SV 3 means Site 3 on the Staughton Vale mapsheet). NATIONAL (2) By Municipality - Table I lists sites by - species and/or vegetation threatened with municipality. extinction. (The climatic zonation of Australian (3) By Significance - Table 2 lists sites by vegetation precludes any assessment of species significance. rareness based on former Australia-wide dis The following information is provided with each tribution because most species in the Region are site listing: naturally restricted to south-eastern Australia). Locality: Position of site in relation to prominent feature on mapsheet; Municipality, AMG grid STATE reference. - species and/or vegetation once common in Vic Access: Name of closest road or description of toria or south-eastern Australia but now consid means of access to site. ered rare; viable populations of greatly disjunct species uncommon in the Region. Ownership: Private or Crown ownership. The manager of Crown land is included if known. REGIONAL Vegetation: A brief description of the site's vegeta - species and/or vegetation once common in the tion. More detailed information about particular Western Melbourne Region but now considered vegetation types can be found in Chapter 3. rare; viable, weed-free representatives ofthe Re Significance: Level of significance (National, gion's vegetation; disjunct populations of spe State, Regional or Local). The features of the site cies common in the Region. used in assessing its significance are outlined. Management: The threats to the site of current LOCAL land use and methods of preserving the qualities of - remnants of indigenous vegetation that have the site are discussed. been substantially altered