Biodiversity (1 - SRK Consulting

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TABLE OF CONTENTS DECLARATION OF INDEPENDENCE ................................................................... 12 EXECUTIVE SUMMARY ........................................................................................ 13 1. PROJECT BACKGROUND ................................................................................ 16 2. ASSIGNMENT ................................................................................................. 19 2.1. Initial preparations: .................................................................................... 19 2.2. Vegetation and habitat survey: .................................................................. 19 2.3. Plant community delimitation and description ............................................ 19 2.4. Faunal assessment ................................................................................... 20 2.5. General ..................................................................................................... 20 3. RATIONALE .................................................................................................... 21 4. SCOPE AND OBJECTIVES OF THE STUDY.................................................. 23 5. STUDY AREA ..................................................................................................... 24 5.1 Regional setting ............................................................................................. 24 5.2 Physical Environment .................................................................................... 26 5.3 Vegetation Types ........................................................................................... 27 5.4 The Study Site for the Proposed Development .............................................. 28 6. METHODS .......................................................................................................... 31 6.1. Flora.......................................................................................................... 31 6.1.1 Vegetation and flora ................................................................................ 31 6.1.2 Plant Conservation Priority ................................................................. 32 6.1.3 Sensitivity ........................................................................................... 33 6.2. Mammals .................................................................................................. 33 6.2.1. Field Survey ....................................................................................... 34 6.2.2. Desktop Survey .................................................................................. 34 6.2.3. Specific Requirements ....................................................................... 35 6.3. Birds.......................................................................................................... 35 6.3.1 Bird Habitats ...................................................................................... 36 6.3.2 Bird Species ....................................................................................... 38 SATO Aggeneys July 2011 4
6.3.3 Field Survey ....................................................................................... 38 6.3.4 Desktop Survey .................................................................................. 39 6.4. Herpetofauna ............................................................................................ 41 6.4.1. Field Surveys ..................................................................................... 41 6.4.2. Desktop Surveys ............................................................................... 41 6.4.3. Specific Requirements ....................................................................... 42 7. RESULTS: VEGETATION AND FLORA ............................................................ 44 7.1 Classification of the vegetation ...................................................................... 44 7.2 Description of the plant communities ............................................................. 45 1 Bushmanland Sandy Grassland .................................................................... 45 2 Bushmanland Arid Grassland ........................................................................ 48 2.1. Grassland on sandy hummocky plains ...................................................... 50 2.2. Grassland on flat sandy plains................................................................... 51 3. Gravelly calcrete plains (=Aggeneys Gravel Vygieveld) ................................ 52 4. Bushmanland Inselberg Shrubveld ............................................................... 53 4.1 Shrubveld on mountains, hills, slopes and crests ....................................... 54 4.2 South facing slopes .................................................................................... 55 4.2.1 South-facing scree slopes ....................................................................... 55 4.2.2 Steep south-facing slopes ....................................................................... 57 4.3 Rocky north-facing foot slopes ................................................................... 58 5. Azonal vegetation ......................................................................................... 60 5.1 Pans ........................................................................................................... 60 5.2 Washes ...................................................................................................... 63 7.3 Biodiversity Areas .......................................................................................... 64 7.4 Fine Scale Biodiversity ................................................................................... 67 7.5 Zuurberg Important Biodiversity Areas ........................................................... 67 7.6 Sensitive Vegetation ...................................................................................... 69 7.7 Species of Conservation Concern .................................................................. 70 7.7.1 Protected species .................................................................................... 71 7.7.2 Threatened species ................................................................................. 71 7.8 Land Use in the Zuurwater Area .................................................................... 72 7.9. Discussion .................................................................................................... 74 SATO Aggeneys July 2011 5
Page 1 and 2: A vegetation and vertebrate fauna d
Page 3: Some of the rare or beautiful succu
Page 7 and 8: 12.1 Specific mitigation measures .
Page 9 and 10: Figure 25. The vegetation sensitivi
Page 11 and 12: Figure 54. An easterly view from Bo
Page 13 and 14: EXECUTIVE SUMMARY Vegetation Althou
Page 15 and 16: designated sensitive areas and excl
Page 17 and 18: Holdings (SHE, Pty Ltd). The main c
Page 19 and 20: 2. ASSIGNMENT Eco-Agent Ecological
Page 21 and 22: 3. RATIONALE It is widely recognise
Page 23 and 24: 4. SCOPE AND OBJECTIVES OF THE STUD
Page 25 and 26: Figure 3. Satellite image showing t
Page 27 and 28: Topography and drainage The topogra
Page 29 and 30: Figure 6. Close-up satellite image
Page 31 and 32: 6. METHODS Prior to the field visit
Page 33 and 34: 6.1.3 Sensitivity Only High and Low
Page 35 and 36: • Low probability of occurrence w
Page 37 and 38: The biodiversity significance of an
Page 39 and 40: oth by reference to the comprehensi
Page 41 and 42: 6.4. Herpetofauna 6.4.1. Field Surv
Page 43 and 44: • Armadillo Girdled Lizard (Cordy
Page 45 and 46: 7.2 Description of the plant commun
Page 47 and 48: Figure 12. Stipagrostis namaquensis
Page 49 and 50: is low, 70-110 mm per annum, mostly
Page 51 and 52: Figure 14. Grassland on sandy hummo
Page 53 and 54: This plant community with its speci
Page 55 and 56:
Crassula sericea Dicoma capensis Cu
Page 57 and 58:
Figure 17. A scree slope 4.2.2 Stee
Page 59 and 60:
species also occur on the mountain
Page 61 and 62:
Schmidtia kalahariensis d Stipagros
Page 63 and 64:
5.2 Washes The drainage lines withi
Page 65 and 66:
in a population going extinct elsew
Page 67 and 68:
7.4 Fine Scale Biodiversity Fine sc
Page 69 and 70:
The SKEP (2005) biodiversity map fo
Page 71 and 72:
National Herbarium. This is therefo
Page 73 and 74:
Figure 26. A map indicating the Bla
Page 75 and 76:
7.10 References Acocks, J.P.H. 1988
Page 78 and 79:
8. RESULTS: MAMMALS Acocks (1988),
Page 80 and 81:
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
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assuming that the water does not ha
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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Biodiversity (1 - SRK Consulting

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