Appendix D Terrestrial and Aquatic Biodiversity - Environment ...

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3.7.1 Fauna Records Nearly 500 species of vertebrates have been recorded within the two Gulf bioregions, including 20 threatened species (Baker et al. 2005). Two of these are endemic to the bioregions – Carpentarian Grasswren (Amytornis dorotheae) to the Gulf Fall and Uplands bioregion, and Canefield Rat (Rattus sordidus) to the Gulf Coastal bioregion (more specifically, the Sir Edward Pellew Islands group). In addition, three other non-threatened reptile species have ranges restricted to these two bioregions – Agile Snakeeyed Skink (Cryptoblepharus zoticus), Carpentarian Ctenotus (Ctenotus striaticeps) and Borroloola Dtella (Gehyra borroloola). Together the Gulf bioregions feature a reasonably high number of threatened fauna and flora species compared to other bioregions which may, in part, be reflective of the extensive. The history of fauna surveys within the search area is very limited. The only general survey of the area was in 1996 by the NTPWC for the then-proposed Limmen Gate NP (Griffiths et al. 1997) – see Section 9.1. An extensive survey was undertaken as part of the assessment of the McArthur River mine (Calaby, 1976), with follow-ups in 1992 (Gambold, 1992 and Hollingsworth et al. 1992) but these were south of the greater project area. Some fauna sampling has occurred on the surrounding pastoral leases of Balbirini, Broadmere, Bauhinia Downs and St. Vidgeon stations (King & McKean 1982; Low and Dobbie 1988; and Low, Dobbie & Foster 1989a and 1989b). A focussed survey on the threatened Carpentarian Grasswren (Amytornis dorotheae) included sites on Nathan River and Billengarah Stations (Martin & McKean 1986) – see Section 7.1.3. Surveys of the threatened Carpentarian Rock-rat (Zyzomys palatalis) included Bauhinia Downs Station (Churchill 1996). For aquatic records, the Fish Atlas of Northern Australia (NAFF 2007) recorded ten species of fish from a single site surveyed by Midgley in 1983. The location of this site corresponds to field survey Site 2 – the Towns River crossing on the Savannah Way adjacent to the MLA areas. As Figure 9 illustrates, most records for the area are from opportunistic records collected along easily accessible areas such roads and waterways. No threatened species have been recorded within the MLA areas. The only records proximate to the haul road are in the immediate area surrounding the intersection of the Savannah Way with the haul road. The NT Atlas does not include fish records and so no sawfish records exist for the MLA areas or haul road route. Instead, waterways providing suitable habitat for sawfish have been highlighted in Figure 9. Existing fauna species records from each of the desktop searches is included in Figure 9, including total numbers of listed species. A full species list is in Appendix D-1. Table 7: Summary of desktop fauna surveys MLA / Haul road Port Combined Total Amphibian 24 1 24 Reptile 94 52 121 Bird 216 174 249 Mammal 51 24 63 Fish 31 21 32 TOTAL 416 272 489 Threatened 38 23 49 Migratory 62 56 60 Marine 45 133 144 Client: Western Desert Resources Ltd Page 45 of 150 Doc No. DW120004-C0302-EIA-R-0036 Doc Title: Appendix D – Terrestrial Biodiversity Technical Report
3.7.2 Flora Records Flora surveys within the search area are limited to NT herbarium surveys of the Limmen National Park (proposed) area, plus vegetation data collected during NT government fauna surveys. The Holtze database (NT Herbarium) indicates that 1142 species have been recorded within the survey area for the MLA/Haul road search area, and 206 species within the port search area (Table 8 and Figure 10). There are four threatened species and 32 species endemic to the bioregions (Baker et al. 2005). Most of these species are grasses or small ephemeral forbs, and are likely to occur in drainage areas. Table 8: Summary of desktop flora surveys MLA / Haul road Port Threatened 1 - Near Threatened 9 1 Not Evaluated 28 7 Data Deficient 48 6 TOTAL 1142 206 Endemic 57 11 Exotic 32 3 Weeds – A Class 1 - Weeds – B Class 6 5 Client: Western Desert Resources Ltd Page 46 of 150 Doc No. DW120004-C0302-EIA-R-0036 Doc Title: Appendix D – Terrestrial Biodiversity Technical Report
Page 1 and 2: EcOz Environmental Services Draft E
Page 3 and 4: Document Control Record Prepared by
Page 5 and 6: 5.5 Sensitive Habitats ............
Page 7 and 8: Figure 25: Notable habitat identifi
Page 9 and 10: Appendices FAUNA APPENDICES Appendi
Page 11 and 12: Figure 1: Locations for three propo
Page 13 and 14: Table 1: A summary of key informati
Page 15 and 16: • Fine scale vegetation mapping (
Page 17 and 18: Coastal Port Facilities The coastal
Page 19 and 20: “Vegetation mapping is not an exa
Page 21 and 22: • Water bodies - The waterbodies
Page 23 and 24: 2.3 Groundwater Dependant Ecosystem
Page 25 and 26: Haul Road Transport Corridor Five s
Page 27 and 28: Figure 2: Map of all fauna survey l
Page 29 and 30: Bat Survey Bat species present were
Page 31 and 32: The Freshwater fish surveys were ca
Page 33 and 34: 2.6 Targeted Surveys 2.6.1 Bare-rum
Page 35 and 36: Figure 3: The IUCN Red List categor
Page 37 and 38: D-3. Desktop Review 3.1 Climate The
Page 39 and 40: 3.3 Sites of Conservation Significa
Page 41 and 42: 3.4 Topography and Geomorphology Th
Page 43 and 44: Figure 6: Five-year fire scar map o
Page 45: 3.6 Weeds Weed data was collected f
Page 49 and 50: Figure 10: Map of existing flora re
Page 51 and 52: Figure 11: Proposed site layout pla
Page 53 and 54: Table 9: Five main vegetation and l
Page 55 and 56: Veg. Type Table 10: Vegetation Type
Page 57 and 58: Figure 13: Five main vegetation typ
Page 59 and 60: 4.3.2 Vegetation Condition The fire
Page 61 and 62: (note that conceptual site layout h
Page 63 and 64: It is unknown whether an increase o
Page 69 and 70: Site Photo Description F5 F6 F7 F8a
Page 71 and 72: Site Photo Description F12 F13 F14
Page 73 and 74: 4.5.2 Fauna Survey Results The Wet
Page 75 and 76: • The remaining species are all l
Page 77 and 78: Figure 24: Locations of freshwater
Page 79 and 80: 4.7 Bare-rumped Sheathtail Bat Surv
Page 81 and 82: Figure 25: Notable habitat identifi
Page 83 and 84: Sections of the McArthur land syste
Page 85 and 86: Table 14: Land system and vegetatio
Page 87 and 88: Land System Landform Soils Vegetati
Page 89 and 90: 5.3 Vegetation Surveys National Veg
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
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Towns Survey - Lower Reaches Site 4
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Towns Survey - Upper Site 3 Site 4
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Table 18: Fauna site habitat descri
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diversity. The riparian zone and ad
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Figure 34: Map 1 of 4 - Haul road s
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Figure 36: Map 3 of 4 - Haul road s
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5.5.2 Rocky Sandstone Ridges Rocky
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feature the three species of freshw
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Figure 39: Land system map of the c
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Table 22: Vegetation type summaries
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6.3.2 Vegetation Condition The vege
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6.3.4 Introduced Plant Species Envi
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Site Photo Description Site 4 Site
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6.4.2 Fauna Survey Results The surv
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6.5 Sensitive Habitats None of the
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6.5.4 Melaleuca Swamp This is a rel
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Figure 46: Map of threatened and no
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SCIENTIFIC NAME Falcunculus frontat
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7.1.2 Migratory Shorebirds The Gulf
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Figure 48: Location of MLA and haul
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7.1.4 Proposed Status Changes In 20
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Table 29: Notable flora species wit
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SCIENTIFIC NAME LENTIBULARIACEAE Ut
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7.3 Sensitive Habitat 7.3.1 MLA Are
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D-9. References Aldrick, JM & Wilso
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NRETAS 2006, Threatened Species of
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Client: Western Desert Resources Lt
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SCIENTIFIC NAME COMMON NAME Client:
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SCIENTIFIC NAME COMMON NAME VARANID
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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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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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