Biodiversity (1 - SRK Consulting

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assuming that the water does not have any potentially toxic ingredients to assist with cleansing the panel surfaces. A regular supply is required to initiate and replenish the required volumes, especially given the high evaporation rates in the area, and this will be taken from a pipeline that supplies the farmhouse and passes through the panel arrays. Access to and maintenance of the supply has to be built into the overall design, the details of which are still under development. • Loss of conservation-significant taxa and/or changes in community structure – The relatively small footprint of the total solar array on the landscape is unlikely to cause direct and widespread loss of threatened fauna taxa or change in community structure. It is placed in the least sensitive and productive habitat on Zuurwater, and the actual footprint of the table's feet is limited and expected to be temporary and capable of rehabilitation. It is however expected that the plant species composition will change, but being the least sensitive area on the farm, this is not considered to have a great influence on any rare plant species. • Increased habitat fragmentation & loss of connectivity – The scope of the solar panel array within the greater area is unlikely to have any significant effect on habitat fragmentation or connectivity, especially for birds that can move over, under and around the development. The affected habitats are widespread all around the development and even the Koa River washes are relatively ill-defined, broadly distributed and thus unlike more typical riverine/riparian systems that are such sensitive movement corridors. • Increased anthropogenic encroachment – The solar panel arrays do markedly extend the normal anthropogenic effects for this arid and sparsely populated farming region, but on a relatively small spatial (
scrutiny, as does the provision of access roads and staff accommodation/facilities during operation, and the provisions made for removal and rehabilitation on completion. In addition, no mention has been made of security provisions, such as fencing, which could create significant impact for birds. Pre- and post-development activities have the potential to be more damaging to the delicate substrate than operational activities. Table 11.1: Impacts expected to occur during the proposed development of the SATO-SLC PV array on the farm Zuurwater near Aggeneys. Mitigation Severity* Likelihood** Activity Nature of Impact 0 (low) – 10 (high) (see 8 High/Medium/Low +ve or -ve below) Construction impacts Container delivery Substrate damage -8 High M1 Table assembly Substrate damage -8 High M1 Water supply Servitude disturbance -5 Medium M2 Electricity connection Staff facilities on site Access/maintenance management Servitude management Water management Servitude disturbance -5 Medium M2 Substrate transformation Operational impacts -8 High M3 Substrate damage -5 Medium M1 Loss of habitat -3 Low M2 Water wastage, contamination risk -3 Low M4 Faunal interference Soiling/shorting/shading ±2 Low M5 Vegetation management Material removal/recycling Control of plant diversity/structure Closure impacts ±5 Medium M6 Substrate damage -5 Medium M1 Substrate repair Substrate damage -5 Medium M1 133
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A vegetation and vertebrate fauna d
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Some of the rare or beautiful succu
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6.3.3 Field Survey ................
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12.1 Specific mitigation measures .
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Figure 25. The vegetation sensitivi
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Figure 54. An easterly view from Bo
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EXECUTIVE SUMMARY Vegetation Althou
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designated sensitive areas and excl
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Holdings (SHE, Pty Ltd). The main c
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2. ASSIGNMENT Eco-Agent Ecological
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3. RATIONALE It is widely recognise
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4. SCOPE AND OBJECTIVES OF THE STUD
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Figure 3. Satellite image showing t
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Topography and drainage The topogra
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Figure 6. Close-up satellite image
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6. METHODS Prior to the field visit
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6.1.3 Sensitivity Only High and Low
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• Low probability of occurrence w
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The biodiversity significance of an
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oth by reference to the comprehensi
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6.4. Herpetofauna 6.4.1. Field Surv
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• Armadillo Girdled Lizard (Cordy
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7.2 Description of the plant commun
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Figure 12. Stipagrostis namaquensis
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is low, 70-110 mm per annum, mostly
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Figure 14. Grassland on sandy hummo
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This plant community with its speci
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Crassula sericea Dicoma capensis Cu
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Figure 17. A scree slope 4.2.2 Stee
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species also occur on the mountain
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Schmidtia kalahariensis d Stipagros
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5.2 Washes The drainage lines withi
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in a population going extinct elsew
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7.4 Fine Scale Biodiversity Fine sc
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The SKEP (2005) biodiversity map fo
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National Herbarium. This is therefo
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Figure 26. A map indicating the Bla
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7.10 References Acocks, J.P.H. 1988
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8. RESULTS: MAMMALS Acocks (1988),
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Figure 27. A south-westerly view ov
Page 82 and 83: 8.2 Observed and Expected Mammal Sp
Page 84 and 85: √ Otocyon megalotis Bat-eared fox
Page 86 and 87: 8.4 Discussion Four pertinent matte
Page 88 and 89: Knobel, J. & Bredenkamp, G. 2005. T
Page 90 and 91: 9. RESULTS: AVIFAUNA 9.1 General Th
Page 92 and 93: Figure 33. View east from the Zuurw
Page 94 and 95: Figure 36. View north from the sout
Page 96 and 97: Figure 39. View west towards Hoedko
Page 98 and 99: Figure 42. Patch of green vegetatio
Page 100 and 101: Table 1: Rating of recognised on-si
Page 102 and 103: Burchell’s Coucal Centropus burch
Page 104 and 105: Karoo Eremomela Eremomela gregalis
Page 106 and 107: 9.4. Threatened and Red-Listed Bird
Page 108 and 109: The remaining four threatened speci
Page 110 and 111: Department of Environmental Affairs
Page 112 and 113: 10. RESULTS: HERPETOFAUNA 10.1. Her
Page 114 and 115: Figure 46. A view of red dunes and
Page 116 and 117: Figure 50. Man-made quarry on the w
Page 118 and 119: In the western corner of the study
Page 120 and 121: Very few trees occur on the study s
Page 122 and 123: Table 1: Reptile and Amphibian spec
Page 124 and 125: ? Prosymna bivittata Two-striped Sh
Page 126 and 127: Psammophis notostictus Karoo Whip o
Page 128 and 129: 10.6 Conclusions The main conservat
Page 130 and 131: 11. ENVIRONMENTAL IMPACT ASSESSMENT
Page 134 and 135: Vegetation Deficient plant -5 Mediu
Page 136 and 137: Impact Table 2a:: Impact on biodive
Page 138 and 139: Substrate repair 1 2 2 1 2 15 Very
Page 140 and 141: maintenance, with designated passin
Page 142 and 143: M6: Control of plant diversity/stru
Page 144 and 145: Some Red Data plants and animals oc
Page 146 and 147: Flora Some areas of infrastructure
Page 148 and 149: (increasing or decreasing with time
Page 150 and 151: Table 2: Significance Rating Matrix
Page 152 and 153: APPENDIX 2: CURRICULII VITAE Abridg
Page 154 and 155: - >150 papers at national and inter
Page 156 and 157: Visits to Israel, Italy, Germany, U
Page 158 and 159: Abridged Curriculum Vitae: Ignatius
Page 160 and 161: Abridged Curriculum Vitae: Alan Cha
Page 162 and 163: - 15 contributions in or as books
Page 164 and 165: Abridged Curriculum Vitae: Jacobus
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