Survey of threatened plant species in South East Queensland biogeographical region queensland cra/rfa steering committee survey of threatened plant species in
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Appendix 2.1 Allocasuarina rigida subsp. exsulLocation: Mt Cooroora, ca 2 km WSW of Pomona, SF 963 Fty 517. Easting : 483783 Northing: 7082950 Latitude: 26°22’24” Longitude: 152°50’14” Land tenure: State Forest Controlling Body: Departments of Natural Resources and Primary Industries Date recorded: 7 Oct 1997 Map reference: Cooroy 9445-2 Landform pattern: hills Landform element: hillslope Morphological type: upper slope Aspect: 80°-190°, E to S Slope: 30°-45° Slope class: very steep to precipitous Altitude: 390 m Soil : texture: fine sandy loam Colour: brownish black, 7.5YR 3/1 pH: 4.6-4.8 Surface rock outcrop %: 14 Geology map unit: Ti: Tertiary; Trachyte, comendite, trachyrhyolite, mangerite, syenite Geology map reference: Gympie 1 : 250,000 SG56-10 Vegetation description Mid-tall to tall shrubland (1.5 m high) with emergent low to mid-tall trees. Trees layer: Eucalyptus racemosa and E. exserta. Shrub and ground layer: Dominant species: Allocasuarina rigida subsp. exsul, Xanthorrhoea latifolia, Monotoca scoparia, Leptospermum polygalifolium, Pultenaea retusa and Patersonia glabrata. Other species present: Caustis blakei, Micrantheum ericoides, Syncarpia sp., Lomandra confertifolia subsp. pallida, Themeda triandra, Hakea florulenta, Acrotriche aggregata, Lomatia silaifolia, Acacia aulacocarpa, Allocasuarina littoralis, Cleistochloa subjuncea, Cassytha glabella, Xanthosia pilosa, Lasiopetalum ferrugineum, Banksia integrifolia, Acacia viscidula and Leucopogon rupicola. Area of occupancy : 1875 m2 (75 m across the slope and 25 down to cliff face (population may extend down the cliff face)) Population: (density 2.2 plants/m2, s2 = 2.97, n = 25, 1 m2 quadrats) 4050 ± 2271 plants (95% confidence interval) Notes: population occupying area just above cliff face Appendix 2.2. Daviesia discolorSite: 1 Location: Coast Range, 16 km south of Biggenden, Mt Walsh National Park. Easting: 401823 Northing: 7162190 Latitude: 25°39’16” Longitude: 152°01’18” Land tenure: National Park Controlling Body: Department of Environment Date surveyed: 21 Oct 1997 Map reference: Biggenden 9346-4 Landform pattern: mountains Landform element: hillslope Morphological type: simple slope (upper part of) Aspect: 140°-210°, SE to SW Slope: 25°-35° Slope class: steep to very steep Altitude: 580 m Soil: Texture: sandy clay Colour: brownish black, 7.5YR 2/2 pH: 5.7 Comments: shallow stony soil Geology map unit: Johngboon Rhyolite; Raj: Crystal-poor (quartz) rhyolitic ignimbrite Geology map reference: Maryborough 1: 250 000, SG56-6 Fire management and history: Not recorded; fire has occurred at the site within the last 2 years (field observation). Vegetation description: Very tall open forest with low to tall dense shrub layer and dense ground layer Trees layer: Eucalyptus acmenoides, E. decolor, E. montivaga and Corymbia trachyphloia. Shrub and ground layer: Common species: Daviesia discolor, Calochlaena dubia, Astrotricha sp., Logania albiflora, Lophostemon confertus, Pteridium esculentum and Podolobium ilicifolium Other species present: Blechnum cartilagineum, Smilax glyciphylla, Olearia gravis, Dampiera purpurea, Acacia falciformis, Hibbertia aspera, Lomandra multiflora, Goodenia rotundifolia, Acomis acoma, Acrotriche aggregata, Breynia oblongifolia, Imperata cylindrica, Lepidosperma laterale, Eustrephus latifolius, Hardenbergia violacea, Phyllanthus gasstroemii, Jacksonia scoparia, Xanthorrhoea latifolia and Macrozamia sp. (Mt Walsh P. Machin 16). Estimated area of occupancy: 1 ha (200 m along crest and 50 m across crest) Estimated population: (plant density 1.6, s2 = 0.906, n = 25, 2 m2 quadrats) 16,000 ± 3704 plants (95% confidence interval) Site: 2 Location: Coast Range, 17 km south of Biggenden, SF 1344, Fty 1534. Easting: 401002 Northing: 7161060 Latitude: 25°39’53” Longitude: 152°00’49” Land tenure: State Forest Controlling Body: Department of Primary Industries, Forestry Date surveyed: 21 Oct 1997 Map reference: Biggenden 9346-4 Landform pattern: mountains Landform element: hillcrest & hillslope Morphological type: crest & simple slope (upper part of) Aspect: 80°-190°, E to S Slope: 4°-8° Slope class: gently to moderately inclined Altitude: 500 m Soil: Texture: sandy loam Colour: brownish black, 10YR 3/2 pH: 6.1 Comments: shallow stony soil Geology map unit: Johngboon Rhyolite; Raj: Crystal-poor (quartz) rhyolitic ignimbrite Geology map reference: Maryborough 1: 250 000, SG56-6 Fire management and history: Not recorded; fire has occurred over 50 % of the site within the last 2 years (field observation). Vegetation description: Very tall open forest with mid-tall, very sparse mid-stratum and low to mid-tall sparse shrub layer and sparse ground layer. Trees layer: Corymbia trachyphloia, Eucalyptus acmenoides and E. major. Midstratum: Allocasuarina littoralis. Shrub and ground layer: Common species: Jacksonia scoparia, Imperata cylindrica, Podolobium ilicifolium and Themeda triandra. Other species present: Daviesia discolor, Smilax glyciphylla, Dampiera purpurea, Lomandra multiflora, Goodenia rotundifolia, Acrotriche aggregata, Breynia oblongifolia, Lepidosperma laterale, Eustrephus latifolius, Hardenbergia violacea, Xanthorrhoea latifolia, Allocasuarina littoralis, Cymbopogon refractus, Entolasia stricta and Panicum effusum var. effusum. Estimated area of occupancy: 1.5 ha (consisting of 2 patches approximately 100 m apart: 1) 100 m along slope and 100 down slope and 2) 100 m along slope and 50 m down slope) Estimated population: (plant density 0.12, s2 = 0.032, n = 25, 2 m2 quadrats) 1800 ± 576 plants (95% confidence interval) |