coaltech upper olifants river catchment wetland inventory ...

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Species name Common name Red Data Protected Wetland type Floodplain riparian, Non- Habitat Disa woodii Orchid Y floodplain riparian Wetlands Eucomis Pineapple Non-perennial Pans, autumnalis Flower Y Perennial Pans Non-perennial Pans, Grassland, on wet areas and rocky hills Eulophia foliosa Eulophia Orchid Y Perennial Pans Up to 2000m above sea level welwitschii Orchid Y Seepage Non-floodplain riparian, Floodplain riparian, Seepage, Non-perennial Rocky or wet grassland Gladiolus dalenii Wild Gladiolus Y Pans Non-floodplain riparian, Grassland, often in wetlands and rocky areas Gladiolus elliotii Gladiolus Y Seepage Floodplain riparian, Non- Grassland Gladiolus papilio Gladiolus Y floodplain riparian Wetlands and near streams Habenaria filicornis Orchid Y Seepage Non-floodplain riparian, Floodplain riparian, Haemanthus Seepage, Non-perennial montanus Y Pans, Perennial Pans Grassland, seasonal wetlands Cr En – Critically Endangered En – Endangered V – Vulnerable DD – Data Deficient NT – Near Threatened Y – Yes Wetland Database for UORC - 24 - Possible distribution
3.3.2 Birds Various bird species utilise the available habitat within the wetlands of the UORC. The various wetland types with their plant species diversity result in a variety of different habitats for the bird species to use (Barnes 2000). A large number of Red Data birds have been recorded utilising the wetlands in the catchment in the past. Due to the large distribution area of some of the bird species recorded, the populations in the catchment may make a significant contribution to the overall national number recorded for the species. The most important wetland type for bird distribution is probably the pans (Palmer et al 2002). Pans provide a great variety of habitat types including open saline water and fresh water, as well as different saturation zones (temporary, seasonal and permanent). Most water bird species are opportunistic and the diversity of species utilising artificial wetlands is also high (Palmer et al 2002, Barnes 2000, Barnes 1998). 3.3.3 Mammals and Reptiles Although the wetlands are characterised by a low diversity of reptile and mammal fauna, the wetlands provide important ecological corridors for the species to receive genetic diversity from other populations (Palmer et al 2002). Three of the mammal species observed in wetlands of the UORC are Red Data species. One of these species is Critically Endangered (Rough-haired Golden Mole (Chrysospalax villosus)) and White-tailed Rat (Mystromys albicaudatus) and Oribi (Ourebia ourebei) are endangered. The Rough-haired Golden Mole occurs in grassland and has a preference for dry ground next to marshes and damp vleis (Skinner & Smithers 1990). The White-tailed Rat is closely associated with the savanna/grassland zone and is not specifically associated with wetlands (Skinner & Smithers 1990). Oribi prefer open habitat such as open grassland, floodplains and grassed vleis. They do not occur where there is a dense cover of tall grass species, but prefer short grass with a few patches of tall grass in which to hide while resting. Grazing by cattle opens the vegetation and therefore renders a site suitable for Oribi. They are not found in arid or forested areas (Skinner & Smithers 1990). Wetland Database for UORC - 25 -
Page 1 and 2: COALTECH UPPER OLIFANTS RIVER CATCH
Page 3 and 4: The following aspects are included
Page 5 and 6: The most common wetland types in th
Page 7 and 8: The attributes allocated based on t
Page 9 and 10: 6. DATABASE CONSTRAINTS............
Page 11 and 12: Addendums Addendum A - Plant specie
Page 13 and 14: Figure 1. Extent of the UORC (refer
Page 15 and 16: The aim of the wetland layer is to
Page 17 and 18: 3.3 Wetland biodiversity Wetlands p
Page 19 and 20: Table 1: Species of concern Species
Page 21 and 22: Species name Common name Hottentot
Page 23: Species name Common name Cordylus g
Page 27 and 28: 3.3.6 Fish The UORC has a low diver
Page 29 and 30: Figure 2. Schematic illustration of
Page 31 and 32: 3.4.1.2 Floodplain riparian Floodpl
Page 33 and 34: 3.4.4 Other non-riparian wetlands O
Page 35 and 36: 3.5.1.2 Groundwater recharge Variou
Page 37 and 38: 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
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Figure 13. Portion of the separated
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Figure 15. Portion of the wetland l
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Since the field verification site v
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Figure 18. Portion of the final wet
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Upon a request from DWAF the status
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5.8 Functions The functions likely
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5.11 Wetland types The entire catch
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6. DATABASE CONSTRAINTS The greates
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Figure 21. The wetland in the UORC
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8.2 Mapping o Small wetlands (of le
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The attributes in the attribute tab
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10. REFERENCES Abbott Grobicki (Pty
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Goudie, A.S. & Thomas, D.S.G. 1985.
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Merot, P., Squividant, H., Aurousse
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Wilson, R.T. 2003. Animal health an
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Addendum A - Plan species list Wetl
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var. lachnantha Lamiaceae Ajuga oph
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Asteraceae Berkheya onopordifolia B
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Poaceae Chloris pycnothrix Chloroph
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Poaceae Boraginaceae incompletus Cy
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Poaceae Echinochloa cruspavonis * *
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Asteraceae Gamochaeta subfalcata Y
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Sterculiaceae Sterculiaceae Poaceae
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Cyperaceae Kyllinga erecta Kyllinga
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Asteraceae Nidorella anamola Nympho
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Polygonaceae Apiaceae Poaceae Apiac
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Brassicaceae Rorippa nudiuscula * *
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Poaceae Setaria verticillata * Malv
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Asteraceae Ursinia nana * * * Lenti
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Addendum B - Mammal species list We
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Cynictis Yellow Carnivora penicilla
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Addendum C - Bird species list Wetl
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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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