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EIS 1395 ABO2O1 83 Flora and Rehabilitation

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EIS 1395 ABO2O1 83 Flora and Rehabilitation EIS 1395 ABO2O1 83 Flora and rehabilitation assessment report: proposed further clay/shale extraction and waste disposal operation - Kemp Creek Quarry NSW D EPT PRHARy IDUSTR1ES 1hlh1'lif AB0201 83 .EMENTS & ASSOCIATES PTY. LIMITED (A.C.N. 002 564 436) cal Consultants Environmental and Botani Box 1623, North Sydney 2059 Phone: (02) 9955 3362, Facsimile: (02) 9957 4343 October 1995 Flora and rehabilitation assessment report: Proposed further clay/shale extraction and waste disposal operation - Kemp Creek Quarry prepared by: Dr AnneMarie Clements and A.N. Rodd prepared for: Rob Corkery R.W. Corkery & Co. Pty Limited P0 Box 80, ORANGE 2800 '1 Contents - 1 .0 Existing environment - the biological setting 1.1 Climate 1.2 Geology and topography 1.3 Land use 2.0 Flora 2.1 Survey findings 2.2 Status of native vegetation 2.2.1 Species 2.2.2 Plant communities 3.0 Flora conclusions 4.0 Precautions 5.0 Rehabilitation 5.1 Recommendations 5.1.1 Adjoining the electricity easement 5.1.2 Additional planting areas 6.0 Stockpiles References Acknowledgments Tables 1 Full species names as given in Harden (1990, 1991, 1992, 1993 in press) 2 Transect statistics of tree species, classification of areas 3 Structural form classification Appendices 1 Vegetation species present in the transects The flora of the proposed further clay/shale extraction and waste disposal operation at Kemps Creek was surveyed on 23 September 1993 by Dr AnneMarie Clements and A.N. Rodd, and rehabilitation potential assessed on 9 May 1995 by Dr AnneMarie Clements. 1.0 Existing environment - the biological setting 1.1 Climate The study area is located on the Cumberland Plain of Sydney approximately 40 km inland. The climatic condition in Sydney vary according to distance from the sea and topographic features. Rainfall shows a decreasing gradient from the coast to Liverpool with the study area receive an average rainfall of approximately 700 mm. Liverpool's annual average rainfall is about 70% of the Sydney rainfall. There is also differences in seasonal terms, with the Cumberland Plain experiencing its wettest period during summer, near the coast most of the rain falls in autumn. The sequence of wet and dry days tens to be longer on the Cumberland Plain than on the coast. Temperature extremes are also more pronounced with mean summer daily maximum at Badgerys Creek (1936->) of 29° C (Jan), Bringelly (1970->) of 29° C (Jan), Liverpool (1962->) of 28° C (Jan), Prospect Dam (1887->) of 28° C (Jan) and Campbelltown (1959-1984) of 28° C (Jan) and mean winter daily minimum at Badgerys Creek (1936->) of 4° C (July), Bringelly (1970->) of 5° C (July), Liverpool (1962->) of 4, C (July), Prospect Dam (1887->) of 6.0° C and Campbelltown (1959- 1 984) of 3° C (July) (Commonwealth of Australia 1 988) than Sydney (mean month daily maximum in January of 25 C and mean monthly minimum in July of 8° C). 1.2 Geology and topography The original land surface is gentle (about 1:50 slope, NSW Dept of Lands 1988), western sloping flood plain, east of Kemps Creek in Western Sydney. The 50 m AHD contour passes through the south-western corner of the site. On the soil landscape series sheet (Bannerman and Hazelton 1989), the site is classified as disturbed, adjoining on southern boundary South Creek soil landscape group and on the east, north and western boundaries by Blacktown soil landscape group. The South Creek soil landscape group is the present active flood plain of many drainage networks of the Cumberland Plain, including the South, Eastern, Kemps and Prospect Creeks system. The Blacktown soil landscape group consists of gentle undulating rises on Wianamatta Group Shales. This soil landscape cover at least 50% of the Liverpool municipality. It has a high urban and rural capacity and is capable of sustaining regular cultivation and grazing (Bannerman and Hazelton 1989). 1 The soils of both these landscape groups are derived from Wianamatta Group Shales. 1 13 Land use The land to east has been cleared for grazing with some market gardening. To the west, there has been land clearing for past grazing activities. In the south and the west, there are regrowth forest of Cumberland vegetation. The extent of natural flooding was probably the main determinant of the land use and extent of clearing. The site has been extensively quarried for clays for roofing tiles at Lion Tile at Enfield. Since 1989, Brandown Pty Ltd have been backfilling a number of the pits with non-putrescible waste. There are number of artificial wetlands in south-west section of the site. 2.0 Flora Native Western Sydney plants now survive only in small patches of remnant bush along creek lines and in a few inadequate reserves. There are about 475 I native plant species of which 147 are vulnerable to extinction in Western Sydney (Benson and McDonald 1991). In this survey, 78 native species and 17 exotic species were recorded (Table 1, locations given in Appendix 1 and Figure I 1). The Blacktown soil landscape group has undergone major clearing, the regrowth I areas to the west of the site represents one of the few remaining stands. The native vegetation of the active flood plain of the South Creek soil landscape is not well represented in Liverpool Municipality. The only major patch is along Kemps Creek (Clements and Taylor 1992). Benson (1985) classified the plant community along Kemps Creek "9f", an open forest with the main canopy species being Angophora subve/utina (Broad-leaved Apple), Eucalyptus I amplifolia (Cabbage Gum) and E. tereticornis (Forest Red Gum). On these deep alluvial soils and poorly drained alluvial flats of Western Sydney, such as South, Kemps and Orphan School Creeks, are tall patches of E. ampilfolia (Cabbage I Gum), sometime with patches of Casuarina glauca (Swamp Oak). C. glauca is commonly found near estuarine swamps and lakes. Brackish subsoil water is I characteristic of the Wianamatta Shales. Manynative species are listed as rare in Western Sydney (Benson and McDougall 1991). Few of these species are listed as rare or threatened Australian plants (Briggs and Leigh 1988). 2.1 Survey findings This survey collected detailed vegetation data mainly from areas of remnant I native vegetation. 1 2 TABLE I - Species recorded for site NOTES: 1. Bot. name code is used in Appendix I 2. Asterisk preceding Bot. name code signifies exotic species Bot. name code Botanical name Common name TPteridophytes Marsileaceae MARSI MUTI Marsilea mutica Striped Nardoo Sinopteridaceae CHEILA SIEB Cheilanthes sieberi subsp. sieberi Rock Fern * PELLAVIRI Pellaea viridis 3. Dicotyledons Acanthaceae BRUNONIE AUST Brunoniella australis Blue Trumpet, Blue Yam Apiaceae CENTE CORD Centella cordifolia Heart-leaved Pennywort * CICL LEPT Ciclospermum leptophyllum Slender Celery Apocynaceae PARS STRA Parsonsia straminea Common Silkpod, Monkey Rope Asclepiadaceae * ARAUJHORT Araujia hortorum Moth Vine, Cruel Plant Asteraceae * ASTER SUBU Aster subulatus Bushy Starwort, Wild Aster * HYPOCH RADI Hypochoeris radicata Flatweed, Cat's-ears, False Dandelion LAGENGRAC Lagenifera gracilis OLEAR MICR Olearia microphylla OZOT DIOS Ozothamnus diosmifolius Pill Flower, White Dogwood * SENE MADA Seneclo madagascariensis Fireweed, Madagascar Ragwort * SONC OLER Sonchus oleraceus Common Sow-thistle. Milk-thistle VERN CINE Vernonia cinerea Casuarinaceae ALLO LITT Allocasuarina littoralis Black She-Oak CASU GLAU Casuarina clauca Swamp Oak, Swamp She-oak Chenopodiaceae EINA HAST Einadia hastata Berry Saltbush EINA NUTA Einadia nutans Climbing Saltbush Convolvulaceae CONVO ERUB Convolvulus erubescens Native Bindweed, Blushing Bindweed, Pink Bind DICHON MICR Dichondra micrantha Kidney-weed Crassulaceae * BRYO DELA Bryophyllum delago Mother-of-Millions CRASS SIEB Crassula sieberiana Australian Stonecrop Epacridaceae ASTROL HUMI Astroloma hurnifusum Cranberry_Heath LEUCOP JUNI Leucopogon juniperinus Long-flowered Beard-heath Fabaceae Faboideae CHORIZE PARV Chorizema parviflorum Eastern Flame Pea DAVIE ACIC Daviesia acicularis Sandplain Bitter-pea DESM VARI Desmodium varians Slender Tick-trefoil DILL JUNI Dillwynia juniperina Eggs-and-bacon HARD VIOL Hardenbergia violacea False Sarsaparilla JACK SCOP Jacksonia scoparia Dogwood PLATYL FORM PARV Platylobium formosum su Handsome Flat-pea I I Bot. name code Botanical name Common name PULT VILL Pultenaea villosa Fabaceae Mimosoideae ACAC DECU Acacia decurrens Black Wattle ACAC ULIC Acacia ulicifolia Pricldy Moses, Prickly Wattle Haloragaceae * MYRIOP AQUA Myriophyllum aquaticum Parrots Feather, Brazilian Water-milfoil Lamiaceae AJUGAUST Aivaaaustralis Nabve Bugle,_Austrahan Bugle Lobeliaceae PRAT PURP Pratia purpurascens WNteroot Loranthaceae AMYE GAUD Amyema gaudichaudU Paperbark Mistletoe Malvaceae * SIDA RHOM Sida rhombifolia Paddy's Lucerne, Common Sida Myoporaceae - EREMOP DEBI - Eremophila debilis Winter Apple, Amulla Myrtaceae ANGO FLOR Angophora floribunda Rough-barked Apple - EUCA AMPL Eucalyptus amplifolia Cabbage Gum EUCA GLOBO Eucalyptus globoidea White_Stringybark EUCA MOLU Eucalyptus moluccana Coast Grey Box EUCA TERE Eucalyptus tereticornis Forest Red Gum, Queensland Blue Gum MELA DECO Melaleuca decora White Cloud Tree MELA LINA Melaleuca linartfolia Flax-leaved Paperbark, Snow-in-summer Oleaceae * LIGUSTR SINE Ligustrum sinense Small-Leaved Privet, Chinese Privet Oxalidaceae O)(AL EXIL Oxalis exilis Creeping Oxalis Pittosporaceae BURS SPIN Bursaria spinosa var. spinosa Australian Boxthorn Plantaginaceae PLANT DEBI Plantago debilis * PLANT LANC Plantago lanceolata Plantain, Ribwort Polygonaceae * RUME
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