coaltech upper olifants river catchment wetland inventory ...

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Figure 20. Comparison between the Landcover and UORC wetland layers The UORC wetland database has more extensive wetland areas, probably as a result of the differences in the scale of the study areas. Changes due to satellite and aerial photography differences are also better accommodated in a smaller scale study area than a large scale study area. The National Landcover wetland layer has a total wetland area of 16 303ha, whereas the UORC wetland database has a total wetland area of 214 731ha. The National Landcover wetland layer therefore only covers 1% of the total UORC area and 7.6% of the total wetland area indicated in the UORC wetland database. Wetland Database for UORC - 90 -
Figure 21. The wetland in the UORC wetland database are more extensive It appears as if the Landcover layer includes the seasonal and permanent zones of some of the wetlands and not all the temporary zones, however a more in depth study, including site visits, would be necessary to prove this. Areas of open water in the wetlands are also excluded. The pans are poorly represented, possibly because they contain areas of open water, and were identified as dams. This would explain the partial representation of some pans (Figure 22). Wetland Database for UORC - 91 -
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COALTECH UPPER OLIFANTS RIVER CATCH
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The following aspects are included
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The most common wetland types in th
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The attributes allocated based on t
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6. DATABASE CONSTRAINTS............
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Addendums Addendum A - Plant specie
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Figure 1. Extent of the UORC (refer
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The aim of the wetland layer is to
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3.3 Wetland biodiversity Wetlands p
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Table 1: Species of concern Species
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Species name Common name Hottentot
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Species name Common name Cordylus g
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3.3.2 Birds Various bird species ut
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3.3.6 Fish The UORC has a low diver
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Figure 2. Schematic illustration of
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3.4.1.2 Floodplain riparian Floodpl
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3.4.4 Other non-riparian wetlands O
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3.5.1.2 Groundwater recharge Variou
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More important in the removal of me
Page 39 and 40: The flow velocity in the channel of
Page 41 and 42: The most important fishing activity
Page 43 and 44: 3.5.6.3 Livestock Diseases Various
Page 45 and 46: 3.6.2 Mining and Quarrying There is
Page 47 and 48: • Dwars-in-die-wegspruit at the l
Page 49 and 50: 3.6.4 Burning Wetlands are burnt on
Page 51 and 52: 3.6.9 Alien Fauna and Flora 3.6.9.1
Page 53 and 54: Category 3 plant invaders are plant
Page 55 and 56: o The Fish Assemblage Integrity Ind
Page 57 and 58: Figure 4. The ecoregions of the Oli
Page 59 and 60: Sixteen fish species (four of which
Page 61 and 62: Figure 5. Extent of the UORC accord
Page 63 and 64: 3.9 Common wetland types in UORC Ac
Page 65 and 66: In a wetland assessment conducted a
Page 67 and 68: In a wetland study at Douglas Colli
Page 69 and 70: Figure 8. Status of assessed wetlan
Page 71 and 72: Figure 9. Portion of the wetland la
Page 73 and 74: Figure 11. Portion of the water bod
Page 75 and 76: Figure 13. Portion of the separated
Page 77 and 78: Figure 15. Portion of the wetland l
Page 79 and 80: Since the field verification site v
Page 81 and 82: Figure 18. Portion of the final wet
Page 83 and 84: Upon a request from DWAF the status
Page 85 and 86: 5.8 Functions The functions likely
Page 87 and 88: 5.11 Wetland types The entire catch
Page 89: 6. DATABASE CONSTRAINTS The greates
Page 93 and 94: 8.2 Mapping o Small wetlands (of le
Page 95 and 96: The attributes in the attribute tab
Page 97 and 98: 10. REFERENCES Abbott Grobicki (Pty
Page 99 and 100: Goudie, A.S. & Thomas, D.S.G. 1985.
Page 101 and 102: Merot, P., Squividant, H., Aurousse
Page 103 and 104: Wilson, R.T. 2003. Animal health an
Page 105 and 106: Addendum A - Plan species list Wetl
Page 107 and 108: var. lachnantha Lamiaceae Ajuga oph
Page 109 and 110: Asteraceae Berkheya onopordifolia B
Page 111 and 112: Poaceae Chloris pycnothrix Chloroph
Page 113 and 114: Poaceae Boraginaceae incompletus Cy
Page 115 and 116: Poaceae Echinochloa cruspavonis * *
Page 117 and 118: Asteraceae Gamochaeta subfalcata Y
Page 119 and 120: Sterculiaceae Sterculiaceae Poaceae
Page 121 and 122: Cyperaceae Kyllinga erecta Kyllinga
Page 123 and 124: Asteraceae Nidorella anamola Nympho
Page 125 and 126: Polygonaceae Apiaceae Poaceae Apiac
Page 127 and 128: Brassicaceae Rorippa nudiuscula * *
Page 129 and 130: Poaceae Setaria verticillata * Malv
Page 131 and 132: Asteraceae Ursinia nana * * * Lenti
Page 133 and 134: Addendum B - Mammal species list We
Page 135 and 136: Cynictis Yellow Carnivora penicilla
Page 137 and 138: Addendum C - Bird species list Wetl
Page 139 and 140: Actitis hypoleucos Actophilornis Co
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Ceryle rudis Nectarinia Pied Kingfi
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Eremopterix verticalis Estrilda ast
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Netta erythrophthalma Numida meleag
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Spizocorys conirostris Pinkbilled L
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Addendum D - Reptile species list W
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Elapidae Naja haje Egyptian cobra X
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Group Species name Common name Pipi
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Addendum F - Fish species list Wetl
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Austroglansis sclateri X X Barbus a
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Phylum Group Species name Common na
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Arachnida Tanycypris obtusa Hydroze
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gibba Daphnia pulex Simocephalus ca
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Ischnura senegalensis Pseuddgrion s
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Micronecta sp. Micronecta piccanin
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Hydraenidae Hydrophilida e Berosus
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MOLLUSCA Simulium adersi Simulium ?
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