Tronox management pty ltd cooljarloo west titanium minerals
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- Types in Which Present
- Taxon Conservation Code (DPaW 2012c) Number of Locations Recorded in
- 4.1.2 Range Extensions and Distribution Gaps
- Table 10: Conservation Significant Taxa Where Collections/Records Represent Range Extensions to the Known Ranges of these Taxa, or Fill Distribution
- Taxon Description
Taxon Conservation Code (DPaW 2012c) Number of Locations Recorded in the Study Area Total Number of Populations Known in the Study Area Vegetation Types in Which Present Arnocrinum gracillimum P2
3 2 17, R Baeckea sp. Moora (R. Bone 1993/1) P3 1
1 Baeckea sp. Perth Region (R.J. Cranfield 444) P3 70
26 1, 2, 5, 7, 9a, 9b, 13, 16, 17, 18
Banksia dallanneyi subsp. pollosta P3
75 17
1, 5, 17, 18, C Beaufortia bicolor P3
7 3 7, 17, R Beaufortia eriocephala P3
1 1 7 Beyeria cinerea subsp. cinerea P3
1 1 8 Boronia tenuis P4
3 1 1, 17, R Byblis gigantea P3
1 1 2 Calectasia palustris P1
9 4 2, 5, 7 Calytrix aff. eneabbensis P4
2 1 17 Chordifex chaunocoleus P4
31 28
1, 2, 5, 6, 7, 17, 18
Chordifex reseminans P1
20 14
1, 2, 5, 17, 18 Conospermum scaposum P3
134 51
1, 5, 17, 18, C, R
P4 180
13 1, 5, 6, 8, 17, 18, C
P3
1 1 17 Diuris ?eburnea P1
1 1 10 Eremophila glabra subsp. ?carnosa *C 2
2 Eryngium pinnatifidum subsp. Palustre (G.J. Keighery 13459) P3 6
2, 16 Eucalyptus macrocarpa subsp. elachantha P4
7 2 18, C, R Frankenia glomerata P3
12 6 2, 13 Goodenia perryi P3
3 3 17, 18 Grevillea saccata P4
4 3 18, C Grevillea thelemanniana subsp. Cooljarloo (B.J. Keighery 28 B) P1 59
26 1, 2, 5, 7, 13, 14, 16, 17, 18
subsp. Cooljarloo (B.J. Keighery 28 B) P1
11 10
1, 2, 5, 7 Guichenotia alba P3
3 2 1, 7 Hakea longiflora P3
13 2 1, 18 Hakea ?longiflora P3
- - - Haloragis ?foliosa P3
1 1 1, 2 Hensmania stoniella P3
79 12
5, 6, 17, 18, C, R
P4 2
2, 5 Hibbertia spicata subsp. leptotheca P3
1 1 8 Hypocalymma gardneri P3
2 2 17 Hypocalymma serrulatum P3
2 2 7, 10 Hypocalymma sp. Cataby (G.J. Keighery 5151) P2 1
17 Hypolaena robusta P4
1 1 C Isopogon panduratus subsp. palustris P2
359 49
1, 2, 5, 6, 7, 9a, 9b, 12, 17, 18, C, R
Tronox Management Pty Ltd Cooljarloo West Mineral Sands Mine Flora and Vegetation Assessment Woodman Environmental Consulting Pty Ltd
32. Taxon Conservation Code (DPaW 2012c) Number of Locations Recorded in the Study Area Total Number of Populations Known in the Study Area Vegetation Types in Which Present Jacksonia carduacea P3
20 12
1, 2, 5, 17, 18, C, R
?Jacksonia carduacea P3
- - - Lepidobolus densus ms P3
2 2 1, 18 Leucopogon sp. Yanchep (M. Hislop 1986) P3 1
1 Loxocarya gigas P2
1 1 1 Lyginia excelsa P1
1 1 1 Macarthuria keigheryi T-DRF (EN) 157 24
1, 5, 17, 18, C Malleostemon sp. Cooljarloo (B.Backhouse s.n. 16/11/88) P1 3
5, 17 Malleostemon sp. ?Cooljarloo (B.Backhouse s.n. 16/11/88) P1 1
1 ?Malleostemon sp. Cooljarloo (B. Backhouse s.n. 16/11/88) P1
1 1 5 Meionectes tenuifolia P3
1 1 1 Onychosepalum microcarpum P2
8 5 1, 5, 17 Onychosepalum nodatum P3
39 21
1, 2, 5, 6, 17, R Onychosepalum ?nodatum P3
- - - ?Onychosepalum nodatum P3
- - - Ornduffia submersa P4
1 1 9a Paracaleana dixonii T-DRF (VU) 1 1
Persoonia rudis P3
1 1 17 Platysace ramosissima P3
79 24
1, 2, 5, 6, 7, 17, 18, C, R Schoenus griffinianus P3
47 15
1, 5, 6, 17, 18, R
P4 1
9a Schoenus pennisetis P1
45 23
1, 2, 5, 7, 10, 17, 18, C, R Stenanthemum sublineare P2
1 1 17 Stylidium aceratum P2
3 2 2; 6 Stylidium carnosum subsp. ?Narrow leaves (J.A. Wege 490) P1
1 1 18 Stylidium hymenocraspedum P2
133 34
1, 6, 7, 13, 17, 18
Stylidium ?hymenocraspedum P2
3 3 6, 17 Stylidium longitubum P3
4 4 1, 9a, 13 Stylidium maritimum P3
1 1 17 Thysanotus glaucus P4
21 9 17, 18, R Verticordia amphigia P3
1 1 18 Verticordia huegelii var. tridens P3
1 1 7 Verticordia lindleyi subsp. lindleyi P4
52 32
1, 5, 6, 7, 17, 18, C
Verticordia ?lindleyi subsp. lindleyi P4
5 4 1, 2, 5, 6 Note: *C = species is of taxonomic and conservation significance; C (in VT column) = cleared land, R (in VT column) = rehabilitated land
Descriptions of the T-DRF taxa recorded in the Study Area are provided below. Appendix H presents a description of all Priority flora taxa known in the Study Area, including preferred habitat (VTs) in the Study Area.
Tronox Management Pty Ltd Cooljarloo West Mineral Sands Mine Flora and Vegetation Assessment Woodman Environmental Consulting Pty Ltd
33. Andersonia gracilis (T-DRF (VU)) is a slender, erect or open straggly shrub, growing to 0.5 m in height with white to pink / purple flowers present from September to November (Plate 1). This species generally occurs on white to grey sand, sandy clay and gravelly loam, often in winter-wet areas or near swamps (DPaW 2013a). Andersonia gracilis has a geographical distribution of approximately 110 km occurring from Cooljarloo to Gingin, with outliers in the Perth Region. There are currently 29 populations for this taxon recorded within DPaW databases (Woodman Environmental 2013d). Andersonia gracilis is ranked as Vulnerable under the WC Act, and Endangered under the EPBC Act.
At the completion of studies for this project, Andersonia gracilis is now known from 1094 point locations representing 39 populations in the Study Area (Appendix H, Figure 7.1). Although this taxon has been recorded in seven VTs (as well as in areas now mapped as Cleared, and rehabilitated areas), the preferred VTs are 5, 2 and 1 (546, 233 and 212 locations respectively) (Appendix H; Figure 7.1).
Plate 1: Andersonia gracilis (T-DRF) (Photo: DPaW 2013a)
growing to 0.2 m in height occurring on grey sand and clay loam in winter-wet depressions, with green and yellow flowers from August to September (Plate 2). It has a known geographical distribution of approximately 100 km, with approximately 17 populations recorded in DPaW databases (Woodman Environmental 2013d). Anigozanthos viridis subsp. terraspectans is ranked as Vulnerable under both the WC Act and the EPBC Act.
At the completion of studies for this project, Anigozanthos viridis subsp. terraspectans is now known from 57 point locations representing 22 populations in the Study Area (Appendix H, Figure 7.1). The preferred habitat for this taxon is VT 1, in which 27 locations are located (Appendix I). An indeterminate specimen was also recorded at two point locations (two separate populations) within the Study Area, both of which are also located in VT 1 (Appendix H; Figure 7.1).
Tronox Management Pty Ltd Cooljarloo West Mineral Sands Mine Flora and Vegetation Assessment Woodman Environmental Consulting Pty Ltd
34.
Plate 2: Anigozanthos viridis subsp. terraspectans (T-DRF) (Photo: DPaW 2013a)
at Cooljarloo. Review of the collected material by the WAHerb shows atypical characters for subsp. carnosa in having yellow corollas ageing red, and at least sometimes hairy young growth (cf. bright red corollas and always glabrous leaves and branchlets). This specimen is best referred to as subsp. ?carnosa until further investigation is undertaken. The species should be regarded as taxonomically significant and, as such efforts made to conserve the populations due to its anomalous morphology (M. Hislop pers. comm. 2013).
generally occurring on white/grey sand in intermittently damp areas. Eremophila glabra subsp. ?carnosa is known from 2 point locations representing two separate populations in the Study Area, both occurring in VT 2 (Appendix H; Figure 7.5).
Tronox Management Pty Ltd Cooljarloo West Mineral Sands Mine Flora and Vegetation Assessment Woodman Environmental Consulting Pty Ltd
35.
Plate 3: Eremophila glabra subsp. ?carnosa (C) (Photo: Woodman Environmental)
to 0.4 m high and 0.6 m wide, flowering from September to December or February to March (Plate 4) and generally occurs on white or grey sand (DPaW 2013a). It has a geographical distribution of approximately 180 km from Cooljarloo to Kenwick (Perth), with a total of 12 populations recorded in DPaW databases (Woodman Environmental 2013d). Macarthuria keigheryi is ranked as Endangered under both the WC Act and the EPBC Act.
At the completion of studies for this project, Macarthuria keigheryi is now known from 157 point locations representing 24 populations in the Study Area (Appendix H, Figure 7.1). The preferred habitat for this taxon is VTs 17 and 18, with 84 and 53 locations recorded in these VTs respectively.
Tronox Management Pty Ltd Cooljarloo West Mineral Sands Mine Flora and Vegetation Assessment Woodman Environmental Consulting Pty Ltd
36.
Plate 4: Macarthuria keigheryi (T-DRF) (Photo: DPaW 2013a) Paracaleana dixonii (T-DRF (VU)) is a tuberous, perennial herb growing to 0.2 m high, with 1-2 yellow-brown duck-like flowers from October to December or January (Plate 5). It generally occurs on grey sand over granite (DPaW 2013a), and has a geographical range of approximately 245 km with 26 populations recorded in DPaW databases (Woodman Environmental 2013b; with one additional population at Cooljarloo to that recorded in this report). Paracaleana dixonii is ranked as Vulnerable under the WC Act, and Endangered under the EPBC Act.
population) in the Study Area in December 2012 (Appendix H, Figure 7.1). This timing is out of the normal flowering season for this taxon (late October – November), and this may be the reason why this taxon has not been recorded earlier, or in more localities at Cooljarloo, as many of the surveys for CS flora taxa in the Study Area have been undertaken during the prime surveying months in Spring (August – October).
The record of this taxon was collected in VT 17, which is characterised by mixed Banksia and Eucalyptus todtiana woodland on plains and undulating dunes of white sand. This taxon prefers deep sand in open areas, beneath dense tall shrubs including Banksia, or shallow sand over laterite in heathland (Brown et al. 2008). This taxon has the potential to be more widely distributed through the Study Area, primarily in VTs 7 (due to sand over lateritic influence), 17 and 18.
Tronox Management Pty Ltd Cooljarloo West Mineral Sands Mine Flora and Vegetation Assessment Woodman Environmental Consulting Pty Ltd
37.
Plate 5: Paracaleana dixonii (T-DRF) (Photo: DPaW 2013a)
Threatened – Endangered under the Commonwealth EPBC Act. Likewise, Anigozanthos
As the Study Area is situated near the junction of three IBRA subregions (Figure 5), a large number of taxa recorded in the Study Area correlate to range extensions, represent new localities (within the known ranges) or represent taxa with few vouchered collections at the WAHerb.
Table 10 presents the CS flora taxa where the collections or records from the Study Area represent extensions to the known distribution, or otherwise fill gaps within the known distribution of such taxa. Appendix J similarly presents common taxa recorded from the Study Area that represent extensions to the known distribution, or otherwise fill gaps within the known distribution of such taxa.
Description Acacia benthamii (P2) New locality record, but occurs outside of study area Allocasuarina grevilleoides (P3) New locality record Angianthus micropodioides (P3) Range extension to the West Banksia dallanneyi subsp. pollosta (P3) Slight range extension to the North West Beaufortia eriocephala (P3) New locality record Beyeria cinerea subsp. cinerea (P3) Range extension to the East Desmocladus biformis (P3) New locality record Diuris ?eburnera (P1) Significant range extension to the South if identification is correct Eremophila glabra subsp.?carnosa New record, species of interest Tronox Management Pty Ltd Cooljarloo West Mineral Sands Mine Flora and Vegetation Assessment Woodman Environmental Consulting Pty Ltd
38. Taxon Description Eryngium pinnatifidum subsp. Palustre (G.J. Keighery 13459) (P3) New locality record, additional location to Northern extent
Haloragis foliosa (P3) Range extension to the South Hypocalymma gardneri (P3) Slight range extension to the South Lepidobolus densus (P3) New locality record; slight range extension to south- west
Significant range extension to the North Paracaleana dixonii (T-DRF (VU)) New locality record Platysace ramosissima (P3) New locality record Schoenus natans (P4) Range extension to the North Stenanthemum sublineare (P2) Significant range extension to the North Stylidium aceratum (P2) Significant range extension to the North Stylidium carnosum subsp. ?Narrow leaves (J.A. Wege 490) (P1) New locality record if identification is correct
New locality record Thysanotus glaucus (P4) New locality record Verticordia huegelii var. tridens (P3) Range extension to the North West 4.1.3 Introduced Taxa A total of 93 discrete introduced flora taxa have been recorded in the Study Area (Table 11). Table 11 also presents ratings for each of these taxa as per the Environmental Weed Strategy for Western Australia (Appendix D) (CALM 1999), as well as the number of locations and vegetation types which each taxon was recorded. Locations of each of these flora taxa are presented in Appendix K, and shown on Figure 8. The source data of these taxa and location records has been taken from all historical studies summarised in Table 3 (where specific locational data is available). A dash (‘-’) indicates that there was no point location data available and therefore the VT in which they occur is unknown.
While a large number of introduced taxa occur within the Study Area, many are common weeds of the Swan Coastal Plain (Hussey et al. 2007), and the majority were ranked as ‘Moderate’ or lower under the Environmental Weed Strategy for Western Australia (CALM 1999). A total of five taxa were ranked as ‘High’ under this strategy, and descriptions of these taxa are presented in Appendix L.
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