Appendix 2 - Vegetation Communities and Regional Ecosystems

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Vegetation Community 5l: Vegetation Community 5l is typically a woodland and occasionally open forest community with canopy heights generally ranging from 12m to 23m. The canopy is dominated by Corymbia stockeri subsp. peninsularis in the majority of occurrences although mixes with Eucalyptus cullenii, Eucalyptus tetrodonta and Corymbia nesophila occur on Muralug Island. Welchiodendron longivalve is a prominent sub-canopy and occasional canopy species. Shrub layers are typically sparse although Acacia brassii, Acacia leptocarpa, Welchiodendron longivalve, Cochlospermum gillivraei and Grevillea parallela are scattered throughout. Ground cover is formed by a mosaic of grasses and exposed acid volcanic rock with Imperata cylindrica and Heteropogon triticeus the dominant species. In complex type 14w, VC5l mosaics with shrublands of Acacia brassii and Welchiodendron longivalve although it has not been differentiated due to scale of complex variation. Minor areas of this RE are represented as VC5m on Horn Island where Melaleuca stenostachya forms a dense sub-canopy to Corymbia stockeri subsp. peninsularis. Photograph 133. Woodland structure of VC5l on Muralug Island. Vegetation Community 5v: This community is a relatively extensive VC restricted to granite hills and footslopes on Badu Island. Corymbia stockerii subsp. peninsularis forms the dominant canopy species with a height range of 20m to 28m. Welchiodendron longivalve is a co-dominant species, often separating into copses in sheltered location. Associated canopy species include Acacia polystachya and scattered Corymbia tessellaris. Welchiodendron longivalve forms the dominant sub-canopy species, mixing with Acacia polystachya, Terminalia subacroptera and Psydrax banksii. Cycas badensis is a dominant shrub species on the footslopes. The natural variability in both the structure and floristic composition of the community is imposed by the irregularity of the granite boulder slopes on which the community has developed. The community remains poorly sampled due to access restrictions imposed during the field survey. More comprehensive vegetation survey on Badu would greatly benefit the description of this VC. 3d Environmental – Torres Strait Regional Ecosystem Mapping Project – August 2008 134
5.2.63 Regional Ecosystem 3.12.13 Photograph 134. Vegetation community 5v on Badu Island. Description: Corymbia nesophila ± C. hylandii subsp. peninsularis woodland on acid volcanic hills. Status: Not of Concern Vegetation Communities: 5r Reference Sites: 5 Quaternary Vegetation Community 5r: Vegetation Community 5r, which provides representation for RE3.12.13 occurs in a number of scattered occurrences on the Inner Island Group. Small areas are mapped on sheltered upper slope positions on Zuna, Thursday and Muralug Islands. Site location TI14 on Thursday Island presents a typical community with canopy heights of 21m to 27m in a woodland and occasional open forest form. The canopy is dominated by Corymbia nesophila and C. stockeri subsp. peninsularis with an open sub-canopy and a sparse shrub layer comprising Grevillea parallela, Acacia leptocarpa and Pogonolobus reticulatus and a grassy ground cover dominated by Themeda triandra. On Zuna the canopy is lower with a diverse shrub layer dominated by Jacksonia thesioides, associated Acacia brassii, Livistona muelleri, Xylomelum scottianum, Melaleuca stenostachya, and Acacia simsii. Photograph 135. Woodland of Corymbia nesophila on upper slope on diorite. Thursday Island Site TQ14. 3d Environmental – Torres Strait Regional Ecosystem Mapping Project – August 2008 135
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Vegetation Communities and Regional
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Acknowledgments This project was fu
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5.2.6 Regional Ecosystem 3.1.7 (New
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1. Introduction Three (3)d Environm
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Waral Kawa (Deliverance) Is. ARAFUR
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Photograph 1. A deflation scar in t
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3. Methods 3.1 Desktop Literature R
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Plant taxonomy and distributional d
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Table 5. Site survey effort in Stag
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Legend Quaternary Ugar (Stephens) I
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TORRES 0 5 10 15 20 N O T E : S Kil
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3.4 Field Survey Procedure The exec
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Queensland’s Vegetation Managemen
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3.6 Scale of Survey In vegetation s
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cover on both satellite formats cre
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structural variations have been dif
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Vegetation Community Description se
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Vegetation Community Description Ge
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Regional Ecosystem Component Vegeta
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Regional Ecosystem 3.3.14b 7fs 3.3.
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Regional Ecosystem 3.12.20 3.12.21a
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5.1.3 Land Zone 3 Difficulties with
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corestones above the surface of wha
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Zone classification more robust. Th
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The mapping of VC24a as a complex r
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Photograph 11. Mangrove woodland do
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also forms a component of VC26b, ma
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Eleocharis dulcis often with an eva
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Photograph 20. The broken canopy ty
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of Heritiera littoralis, Xylocarpus
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Acacia crassicarpa woodland (RE3.2.
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Photograph 29. Open forest with dom
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5.2.11 Regional Ecosystem 3.2.5 Des
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Vegetation Community 14t/16c: This
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Photograph 39. Maximum development
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5.2.14 Regional Ecosystem 3.2.8 Pho
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5.2.15 Regional Ecosystem 3.2.10c D
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are similarly sparse, dominated by
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are also mapped on Badu Island wher
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community where it is mapped as com
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5.2.23 Regional Ecosystem 3.2.27 De
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5.2.26 Regional Ecosystem 3.3.5c De
Page 89 and 90: Photograph 61. Tall notophyll fores
Page 91 and 92: 5.2.29 Regional Ecosystem 3.3.9 Des
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Page 97 and 98: occurs on drainage swamps, it has b
Page 99 and 100: 5.2.35 Regional Ecosystem 3.3.20c P
Page 101 and 102: 5.2.37 Regional Ecosystem 3.3.27 Ph
Page 105 and 106: Photograph 85. Shrubland dominated
Page 107 and 108: Photograph 88. Low woodland/shrubla
Page 113 and 114: RE is supported, which provides som
Page 115 and 116: Photograph 99. Maximum development
Page 117 and 118: 5.2.47 Regional Ecosystem 3.3.70 (N
Page 119 and 120: not differentiated from the broader
Page 121 and 122: Photograph 106. Vegetation Communit
Page 123 and 124: 5.2.52 Regional Ecosystem 3.5.19a D
Page 125 and 126: 5.2.54 Regional Ecosystem 3.5.29 De
Page 127 and 128: That this community is marginal to
Page 129 and 130: Photograph 117. Grassland community
Page 131 and 132: Vegetation Community 2j: Vegetation
Page 133 and 134: Pandanus sp, contribute roughly equ
Page 135 and 136: distinctive structural components.
Page 137 and 138: canopy species in most locations, a
Page 139: Photograph 131. Lighter coloured cr
Page 143 and 144: Photograph 137. Low rise in acid vo
Page 145 and 146: exposed to prevailing trade winds a
Page 147 and 148: Photograph 142. Vine Thicket Commun
Page 149 and 150: Vegetation Community 2x: A represen
Page 151 and 152: 5.2.69 Regional Ecosystem 3.12.29 P
Page 153 and 154: The extensive mosaic of grassland a
Page 155 and 156: Photograph 155. Shrubland community
Page 157 and 158: extent of this community greatly re
Page 159 and 160: Photograph 161. Bare pavements with
Page 161 and 162: Vegetation Community 2h: This commu
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Page 165 and 166: It is envisaged, as is the general
Page 167 and 168: Photograph 170. Evergreen notophyll
Page 169 and 170: This habitat is unique in the natio
Page 171 and 172: canopy forms a poorly defined strat
Page 173 and 174: Vegetation Community 5u: Similar to
Page 175 and 176: 5.3 Retrospective Classifications L
Page 177 and 178: RE: Native Regrowth Communities: Na
Page 179 and 180: 5.5 Other Classifications Areas Rep
Page 181 and 182: Regional Ecosystem Pre-clearing Are
Page 183 and 184: clarksoniana, Eucalyptus brassiana
Page 185 and 186: This includes 196 (15%) naturalised
Page 187 and 188: Species Island Ipomoea hederifolia
Page 189 and 190: Table 16. Summary of survey records
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Species Known Distribution Survey R
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Photograph 187. Regrowth mangrove s
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Saibai Island grasslands and other
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10. Bibliography Abrahams, H., Mulv
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Galloway, R. W. and E. Löffler (19
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University, Darwin, Australia. 13-1
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Client Scale Legend Evergreen vine
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Melaleuca dominant open forests Cli
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Legend Successional vine forest com
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Legend - Land Zones of the Torres S
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Family_Name Botanical_Name BRI C’
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Appendix 2 - Vegetation Communities and Regional Ecosystems

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