Appendix D Terrestrial and Aquatic Biodiversity - Environment ...

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6.3 Preliminary Vegetation Assessment 6.3.1 Summary of Vegetation Types The distribution and range of vegetation types within the port development area are depicted in Figure 40. Landform, soils, and distance from the shoreline has a dominant influence in shaping the vegetation types present at this location. Broadly, the land forms which dominate the port area include: • Beach Ridges: Coastal Dune (sandy substrate) • Chenier Ridges: Beach ridges that have sandy soils with high shell content. • Saline flats: Saline flats and flood-out zones of Bing Bong creek and Mule Creek • Low Coastal Plains: Depressions and lowland flood-out areas, seasonally inundated, commonly with high clay content. • Sandy Rises: Slight sandy rises nested within coastal plains Thirteen distinct vegetation units (with the five broadly defined vegetation communities) were identified during the surveys (described in Table 22 and illustrated in Figure 40). Slight and low lying land forms dominate the vegetation of the port area. Major influences on vegetation are the height above sea level, soil texture, incidence of fresh water inundation and fire frequency. The coastal beach dunes occupy a dynamic zone where the build-up and removal of sand is an ongoing process. This zone is occupied by Casuarina equisetifolia woodland and other obligate coastal species which are widespread throughout northern Australia and much of tropical Asia. The coastal dunes transition into a series of older consolidated beach dunes that extend inland for just over 1km. Directly adjacent and inland of the beach dunes, the vegetation transitions into coastal dry Monsoon Vine Thicket. This vegetation type is largely reflective of a lack of fire in the coastal fringe afforded by the protection of a series or parallel dunes and moister swales, rather than significant soil differences. Beyond the Monsoon Vine Thicket, dunes are dominated by Corymbia bella Woodland with a shrubby understorey that includes Monsoon Vine Thicket species. Swales between dunes are dominated by Melaleuca viridiflora and Chrysopogon elongatus with the Melaleuca upper layer varying in cover from woodland to almost absent. The movement of water in these swales is directed towards the eastern part of the site towards the salt flats, where it terminates in fresh water lagoons or swamps adjacent to the salt flats. These semi-permanent swamps are dominated by Melaleuca viridiflora and M. acacioides and often have an understorey of Pseudoraphis spinescens. The Salt flat vegetation has developed in coastal areas of infrequent tidal influence, but with high salt levels. Chenopod species, which are adapted to higher salt levels, are the dominant life form within this sparsely vegetated area, while grasses are mostly absent. These salt flats transition into Mangrove communities. Inland beyond these sand dominated land forms are clay dominated vegetation types which transition into salt water influenced habitats to the east and west. These clay dominated vegetation types feature a sparse tree layer or Excoecaria parvifolia or Grevillea striata. Further inland and slightly more elevated and sandy are Melaleuca and Corymbia dominated woodlands with a tussock grass understorey. Sandier rises within this woodland contain Callitris intratropica woodland. Within this Callitris woodland the lighter soils have most likely resulted in a lower grass biomass, which have in turn supported less frequent or less intense fires. The main vegetation types to be impacted by the port facility and associated infrastructure are described in Appendix D-11. Client: Western Desert Resources Ltd Page 117 of 150 Doc No. DW120004-C0302-EIA-R-0036 Doc Title: Appendix D – Terrestrial Biodiversity Technical Report
Table 22: Vegetation type summaries for the port facility area and surrounds Mangroves 1a: Mangrove community complex +/- Pemphis acidula, Excoecaria ovalis, Lumnitzera racemosa Low Closed Forest. Coastal Dune 2a: Casuarina equisetifolia woodland +/- Pandanus spiralis, Passiflora foetida, and Acacia spp. Mid Open Woodland. 2b: Mixed monsoon vine thicket +/- Corymbia bella, Diospyros sp., Flueggea virosa, Premna acuminata, Exocarpos latifolia, Barringtonia acutangula, Ficus virens virens Low Closed Forest Tidal Saline Flats 3a: +/- Halosarcia indica, Tecticornia australasica, Suaeda arbusculoides Low Open Chenopod Shrubland Swamps 4: Melaleuca viridiflora +/- Melaleuca acacioides Low Woodland over Pseudoraphis spinescens Low Tussock Grassland Coastal Grasslands 5a: Grevillea striata +/- Diospyros humilis, Petalostigma banksii, Margaritaria dubium-traceyi Low Open Woodland over Chrysopogon elongatus and Eulalia aurea Tall Tussock Grassland 5b Coastal Grasslands: Excoecaria parvifolia Low Open Woodland over Chrysopogon fallax Tall Tussock Grassland 5c Coastal Grasslands: Grevillea striata, Pandanus spiralis, Isolated Trees over Grewia retusifolia Isolated Shrubs over Chrysopogon fallax +/- Sarga spp., Eriachne spp., Tall Tussock Closed Grassland. Coastal Woodlands 6a: Melaleuca viridiflora +/- Corymbia ferruginea, Corymbia bella, Mid Open Woodland over Chrysopogon elongatus, Grewia retusifolia Tall Tussock Grassland. 6b: Melaleuca viridiflora +/- Petalostigma banksii, Alphitonia pomaderroides Low Open Woodland over Heteropogon triticeus Mid Tussock Grassland. 6c: Melaleuca viridiflora +/- Corymbia bella Low Woodland over Chrysopogon elongatus Tall Tussock Grassland. 6d: Corymbia bella Mid Open Forest over +/- Acacia spp., Pandanus spiralis, Hyptis suaveolens, Sparse Mid Shrubland. 6e: Callitris intratropica Mid Woodland over +/- Hakea arborescens, Alphitonia pomaderroides Tall Sparse Shrubland over Heteropogon triticeus Mid Open Tussock Grassland Client: Western Desert Resources Ltd Page 118 of 150 Doc No. DW120004-C0302-EIA-R-0036 Doc Title: Appendix D – Terrestrial Biodiversity Technical Report
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EcOz Environmental Services Draft E
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Document Control Record Prepared by
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5.5 Sensitive Habitats ............
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Figure 25: Notable habitat identifi
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Appendices FAUNA APPENDICES Appendi
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Figure 1: Locations for three propo
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Table 1: A summary of key informati
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• Fine scale vegetation mapping (
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Coastal Port Facilities The coastal
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“Vegetation mapping is not an exa
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• Water bodies - The waterbodies
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2.3 Groundwater Dependant Ecosystem
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Haul Road Transport Corridor Five s
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Figure 2: Map of all fauna survey l
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Bat Survey Bat species present were
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The Freshwater fish surveys were ca
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2.6 Targeted Surveys 2.6.1 Bare-rum
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Figure 3: The IUCN Red List categor
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D-3. Desktop Review 3.1 Climate The
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3.3 Sites of Conservation Significa
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3.4 Topography and Geomorphology Th
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Figure 6: Five-year fire scar map o
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3.6 Weeds Weed data was collected f
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3.7.2 Flora Records Flora surveys w
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Figure 10: Map of existing flora re
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Figure 11: Proposed site layout pla
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Table 9: Five main vegetation and l
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Veg. Type Table 10: Vegetation Type
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Figure 13: Five main vegetation typ
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4.3.2 Vegetation Condition The fire
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(note that conceptual site layout h
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It is unknown whether an increase o
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(note that conceptual site layout h
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Page 69 and 70: Site Photo Description F5 F6 F7 F8a
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Page 73 and 74: 4.5.2 Fauna Survey Results The Wet
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Page 77 and 78: Figure 24: Locations of freshwater
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Page 81 and 82: Figure 25: Notable habitat identifi
Page 83 and 84: Sections of the McArthur land syste
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Page 87 and 88: Land System Landform Soils Vegetati
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Page 91 and 92: NVIS Level 3 Veg ID Description (ad
Page 93 and 94: Figure 27: Haul road (and surrounds
Page 95 and 96: 5.3.1 Notable flora records Surveys
Page 97 and 98: Towns Survey - Lower Reaches Site 4
Page 99 and 100: Towns Survey - Upper Site 3 Site 4
Page 101 and 102: Table 18: Fauna site habitat descri
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Page 113 and 114: 5.5.2 Rocky Sandstone Ridges Rocky
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Page 117: Figure 39: Land system map of the c
Page 121 and 122: 6.3.2 Vegetation Condition The vege
Page 123 and 124: 6.3.4 Introduced Plant Species Envi
Page 125 and 126: Site Photo Description Site 4 Site
Page 127 and 128: 6.4.2 Fauna Survey Results The surv
Page 129 and 130: 6.5 Sensitive Habitats None of the
Page 131 and 132: 6.5.4 Melaleuca Swamp This is a rel
Page 133 and 134: Figure 46: Map of threatened and no
Page 135 and 136: SCIENTIFIC NAME Falcunculus frontat
Page 137 and 138: 7.1.2 Migratory Shorebirds The Gulf
Page 139 and 140: Figure 48: Location of MLA and haul
Page 141 and 142: 7.1.4 Proposed Status Changes In 20
Page 143 and 144: Table 29: Notable flora species wit
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Page 147 and 148: 7.3 Sensitive Habitat 7.3.1 MLA Are
Page 149 and 150: D-9. References Aldrick, JM & Wilso
Page 151 and 152: NRETAS 2006, Threatened Species of
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Client: Western Desert Resources Lt
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SCIENTIFIC NAME COMMON NAME STATU S
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Table 2-3: Mammals found from MLA f
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SCIENTIFIC NAME COMMON NAME Client:
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Table 2-5: Freshwater vertebrates f
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SCIENTIFIC NAME COMMON NAME Delma b
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Table 3-3: Mammals found from Haul
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SCIENTIFIC NAME COMMON NAME BURHINI
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Table 4-2: Amphibians found from Po
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SCIENTIFIC NAME COMMON NAME Geopeli
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SZ247: Bat survey from the Western
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Ground: Alloteropsis semialata (fq
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Ground: Portulaca bicolor (fq 75%),
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Upper: Low open woodland dominated
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mitrasacmoides (fq 50%), Panicum ef
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Ground: Murdannia graminea (fq 100%
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25%), Jacksonia odontoclada (fq 25%
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Ground: Crotalaria montana (fq 33%)
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Carissa lanceolata (fq 25%), Dolich
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33%), Dimeria ornithopoda (fq 33%),
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Landform: simple slope General Cond
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Ground: Polygala longifolia (fq 67%
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Ground: Ammannia multiflora (fq 100
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Ground: Alloteropsis semialata (fq
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cunninghamii (fq 67%), Grevillea pa
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Ground: Bulbostylis barbata (fq 67%
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Desmodium brownii (fq 20%), Desmodi
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graminea (fq 33%), Nesaea muelleri
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trifolia (fq 33%), Cyperus holoscho
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microcephala (fq 67%), Melochia cor
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General Condition: This single site
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Site ID Map Easting Northing Descri
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Table 10-3: Vegetation Assessment o
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Table 10-5: Vegetation Assessment o
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Site ID Map Easting Northing W54 2
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Site ID Map Easting Northing Client
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Table 10-8: Riparian Vegetation Ass
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Table 10-10: Riparian Vegetation As
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Table 11-2: Port Area. Vegetation U
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Table 11-4: Port Area. Vegetation U
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Voucher No. Strata labels Biodivers
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Appendix D Terrestrial and Aquatic Biodiversity - Environment ...

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