Palmer Wind Farm Flora and Fauna Survey 73
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Palmer Wind Farm Flora and Fauna Survey Figure 13.Vegetation associations identified across the proposed Palmer Wind Farm project area – Area A. 73 Palmer Wind Farm Flora and Fauna Survey Figure 14. Vegetation associations identified across the proposed Palmer Wind Farm project area – Area B. 74 Palmer Wind Farm Flora and Fauna Survey Figure 15. Vegetation associations identified across the proposed Palmer Wind Farm project area – Area C. 75 Palmer Wind Farm Flora and Fauna Survey Figure 16. Vegetation conditions identified across the proposed Palmer Wind Farm project area – Area A. 76 Palmer Wind Farm Flora and Fauna Survey Figure 17. Vegetation conditions identified across the proposed Palmer Wind Farm project area – Area B. 77 Palmer Wind Farm Flora and Fauna Survey Figure 18. Vegetation conditions identified across the proposed Palmer Wind Farm project area – Area C. 78 Palmer Wind Farm Flora and Fauna Survey Association 1: +/- Callitris gracilis (Southern Cypress Pine) +/- Melaleuca lanceolata (Dryland Tea-tree) +/- Allocasuarina verticillata (Drooping Sheoak) +/- Eucalyptus socialis (Red Mallee) Mixed Woodland / Mallee. Table 22. Summary of vegetation association 1. Common native overstorey and Allocasuarina verticillata (Drooping Sheoak), Beyeria lechenaultii (Pale midstorey species Turpentine Bush), Bursaria spinosa ssp. spinosa (Sweet Bursaria), Callitris gracilis (Southern Cypress Pine), Eucalyptus socialis (Red Mallee), Melaleuca lanceolata (Dryland Tea-tree). Common native understorey Acrotriche patula (Prickly Ground-berry), Aristida holathera var. holathera species (Tall Kerosene Grass), Cymbopogon ambiguus (Lemon-grass), Enchylaena tomentosa var. tomentosa (Ruby Saltbush), Enneapogon nigricans (Black- head Grass), Vittadinia gracilis (Woolly New Holland Daisy), Wahlenbergia sp. (Blue bell). Common weed species Carrichtera annua (Ward's Weed), Carthamus lanatus (Saffron Thistle), Lycium ferocissimum (African Boxthorn) and Marrubium vulgare (Horehound) Conservation significant Possible species Vegetation condition Good (8:1) to Excellent (10:1) Association 1 occurs in two locations within Area A primarily on steep rocky outcrops. Association 1 was considered to be in good to excellent condition Comments with high native flora species diversity. There is potential for threatened flora species (e.g. orchids) in the high quality areas. Figure 19. Example of vegetation association 1. 79 Palmer Wind Farm Flora and Fauna Survey Association 2: Acacia argyrophylla (Silver Mulga-bush) / Senna artemisioides (Desert Senna) +/- Alectryon oleifolius ssp. canescens (Bullock Bush) Shrubland. Table 23. Summary of vegetation association 2. Common native overstorey and Allocasuarina verticillata (Drooping Sheoak ), Acacia argyrophylla (Silver midstorey species Mulga-bush), Senna artemisioides (Desert Senna), Alectryon oleifolius ssp. canescens (Bullock Bush) Common native understorey Acrotriche patula (Prickly Ground-berry), Enneapogon nigricans (Black-head species Grass), Vittadinia cuneata var. (Fuzzy new Holland Daisy), Enchylaena tomentosa var. tomentosa (Ruby Saltbush) Common weed species Avena sp. (Oat), Arctotheca calendula (Cape Weed), Briza maxima (Large Quaking-grass), Bromus rubens (Red Brome), Salvia verbenaca var. (Wild Sage), Carrichtera annua (Ward’s Weed) Conservation significant None species Vegetation condition Poor (4:1) Figure 20. Example of vegetation association 2. 80 Palmer Wind Farm Flora and Fauna Survey Association 3: Acacia euthycarpa (Wallowa) Tall Shrubland. Table 24. Summary of vegetation association 3. Common native overstorey and Acacia calamifolia (Wallowa), Acacia pycnantha (Golden Wattle), midstorey species Allocasuarina verticillata (Drooping Sheoak), Bursaria spinosa ssp. spinosa (Sweet Bursaria), Callitris gracilis (Southern Cypress Pine), Cassinia laevis (Curry Bush), Eucalyptus fasciculosa (Pink Gum) Common native understorey Aristida behriana (Brush Wire-grass), Austrostipa blackii (Crested Spear- species grass), Enneapogon nigricans (Black-head Grass), Gonocarpus elatus (Hill Raspwort), Ptilotus spathulatus (Pussy-tails), Vittadinia cuneata (Fuzzy New Holland Daisy), Vittadinia gracilis (Woolly New Holland Daisy), Wahlenbergia stricta (Tall Bluebell) Common weed species Avena sp. (Wild oats), Bromus rubens (Red Brome), Echium plantagineum (Salvation Jane), Trifolium arvense var. arvense (Hare's-foot Clover), Vulpia sp. (Fescue) Conservation significant Eucalyptus fasciculosa (Pink Gum) (SA : R) species Mentha diemenica (Slender Mint) (SA : R) Vegetation condition Poor (4:1) to Excellent (10:1) High native flora species diversity and potential for threatened flora species Comment (e.g. orchids) in areas of good to excellent vegetation condition. Figure 21. Example of vegetation association 3. 81 Palmer Wind Farm Flora and Fauna Survey Association 4: Acrotriche patula (Prickly Ground-berry) / Bursaria spinosa ssp. spinosa (Sweet Bursaria) scattered Allocasuarina verticillata (Drooping Sheoak) / scattered Pittosporum angustifolium (Native Apricot) Mixed Shrubland. Table 25. Summary of vegetation association 4. Common native overstorey and Alectryon oleifolius ssp. canescens (Bullock Bush), Allocasuarina verticillata midstorey species (Drooping Sheoak), Bursaria spinosa ssp. spinosa (Sweet Bursaria), Pittosporum angustifolium (Native Apricot) Common native understorey Acrotriche patula (Prickly Ground-berry), Aristida behriana (Brush Wire- species grass), Enchylaena tomentosa var. tomentosa (Ruby Saltbush), Enneapogon nigricans (Black-head Grass), Gahnia lanigera (Black Grass Saw-sedge), Ptilotus spathulatus (Pussy-tails), Vittadinia cuneata (Fuzzy New Holland Daisy), Wahlenbergia stricta ssp. stricta (Tall Bluebell) Common weed species Avena sp. (Wild oats), Bromus rubens (Red Brome), Carthamus lanatus (Saffron Thistle), Echium plantagineum (Salvation Jane), Lycium ferocissimum (African Boxthorn), Marrubium vulgare (Horehound), Onopordum acaulon (Horse Thistle), Reichardia tingitana (False Sowthistle) Conservation significant None species Vegetation condition Poor (3:1) to Good (8:1) Figure 22. Example of vegetation association 4. 82 Palmer Wind Farm Flora and Fauna Survey Association 5: Eucalyptus brachycalyx (Gilja) / Eucalyptus porosa (Mallee Box) / Eucalyptus socialis (Red Mallee) Mixed Mallee over Triodia irritans (Spinifex). Table 26. Summary of vegetation association 5. Common native overstorey and Allocasuarina verticillata (Drooping Sheoak), Bursaria spinosa ssp. spinosa midstorey species (Sweet Bursaria), Callitris gracilis (Southern Cypress Pine), Eremophila alternifolia (Narrow-leaf Emubush), Eucalyptus brachycalyx (Gilja), Eucalyptus porosa (Mallee Box), Eucalyptus socialis (Red Mallee) Common native understorey Acrotriche patula (Prickly Ground-berry), Arthropodium strictum (Common species Vanilla-lily), Austrostipa scabra (Falcate-awn Spear-grass), Gahnia lanigera (Black Grass Saw-sedge), Ptilotus spathulatus (Pussy-tails), Wahlenbergia stricta ssp. stricta (Tall Bluebell), Triodia irritans (Spinifex) Common weed species Carrichtera annua (Ward's Weed), Nicotiana glauca (Tree Tobacco) Conservation significant None species Vegetation condition Excellent (10:1) Figure 23. Example of vegetation association 5. 83 Palmer Wind Farm Flora and Fauna Survey Association 6: Eucalyptus camaldulensis ssp. camaldulensis (River Red Gum) Creeklines. Table 27. Summary of vegetation association 6. Common native overstorey and Bursaria spinosa ssp. spinosa (Sweet Bursaria), Eucalyptus camaldulensis midstorey species ssp. camaldulensis (River Red Gum) Common native understorey Austrostipa drummondii (Cottony Spear-grass), Bolboschoenus medianus species (Marsh Club-rush), Cotula coronopifolia (Water Buttons), Cyperus gymnocaulos (Spiny Flat-sedge), Juncus subsecundus (Finger Rush), Triglochin procera (Water-ribbons), Typha sp. (Bulrush) Common weed species Arctotheca calendula (Cape Weed), Asphodelus fistulosus (Onion Weed), Bromus diandrus (Great Brome), Echium plantagineum (Salvation Jane), Hordeum vulgare (Barley), Lycium ferocissimum (African Boxthorn), Piptatherum miliaceum (Rice Millet) Conservation significant None species Vegetation condition Very Poor (2:1) to Good (7:1) Figure 24. Example of vegetation association 6. 84 Palmer Wind Farm Flora and Fauna Survey Association 7: Eucalyptus fasciculosa (Pink Gum) Very Open Woodland over Acacia euthycarpa (Wallowa). Table 28. Summary of vegetation association 7. Common native overstorey and Acacia euthycarpa (Wallowa), Eucalyptus fasciculosa (Pink Gum) midstorey species Common native understorey Aristida behriana (Bush-wire Grass), Enneapogon nigricans (Black-head species Grass), Gonocarpus elatus (Hill Raspwort), Ptilotus spathulatus (Pussy-tails), Vittadinia cuneata var. (Fuzzy New Holland Daisy), Vittadinia gracilis (Woolly New Holland Daisy) Common weed species Arctotheca calendula (Cape Weed), Avena sp. (Oats), Briza maxima (Large Quaking Grass), Bromus rubens (Red Brome), Echium plantagineum (Salvation Jane), Erodium botrys (Long Heron’s-bill), Trifolium arvense var. arvense (Hare's-foot Clover), Trifolium angustifolium (Narrow-leaf Clover) Vulpia myuros f. (Fescue) Conservation significant Eucalyptus fasciculosa (Pink Gum) (SA : R) species Vegetation condition Moderate (5:1) to Good (8:1) Figure 25. Example of vegetation association 7. 85 Palmer Wind Farm Flora and Fauna Survey Association 8: Eucalyptus fasciculosa (Pink Gum) Very Open Woodland over exotic / native Grassland. Table 29. Summary of vegetation association 8. Common