Wetlands in drylands: Geomorphological and sedimentological characteristics, with emphasis on examples from southern Africa

Progress in Physical Geography

Volumn 31, Issue 1, 2007, Pages 3-41

  Tooth, Stephen ^a   McCarthy, Terence S ^b  

^a ABERYSTWYTH UNIVERSITY   (United Kingdom)

^b UNIVERSITY OF THE WITWATERSRAND   (South Africa)

Author keywords

Dryland; Geomorphology; Sedimentology; Southern Africa; Wetland

Indexed keywords

ARID REGION; GEOMORPHOLOGY; SEDIMENTOLOGY; WETLAND;

AFRICA; SOUTHERN AFRICA; SUB-SAHARAN AFRICA;

ANIMALIA;

EID: 33847791493     PISSN: 03091333     EISSN: None     Source Type: Journal    
DOI: 10.1177/0309133307073879     Document Type: Article

References (123)

1. Adams, G.D. 1988: Wetlands of the prairies of Canada. In National Wetlands Working Group and Canada Committee on Ecological Land Classification, Wetlands of Canada, Ottawa: Canadian Government Publications and Polyscience Publications Series 24, 157-98.
2. Adamson, D., Williams, M.A.J. and Baxter, J.T. 1987: Complex Late Quaternary alluvial history in the Nile, Murray-Darling, and Ganges basins: three river systems presently linked to the Southern Oscillation. In Gardiner, V., editor, International geomorphology 1986: Part II, Chichester: Wiley, 875-87.
3. Allan, D.G., Seaman, M.T. and Kaletja, B. 1995: The endorheic pans of South Africa. In Cowan, G.I., editor, Wetlands of South Africa, South African Wetlands Conservation Programme Series, Pretoria: Department of Environmental Affairs and Tourism, 75-101.
4. Allanson, B.R., Hart, R.C., O'Keefe, J.H. and Robarts, R.D. 1990: Inland waters of southern Africa: an ecological perspective. Monographiae Biologicae 64. The Hague: Kluwer.
5. Ashley, G.M., Goman, M.F., Hover, V.C., Owen, R.B., Renaut, R.W. and Muasya, A.M. 2002: Artesian blister wetlands, a perennial water resource in the semi-arid Rift Valley of East Africa. Wetlands 22, 686-95.
6. Ashley, G.M., Mworia, J.M., Muasya, A.M., Owen, R.B., Driese, S.G., Hover, V.C., Renaut, R.W., Goman, M.E, Mathai, S. and Blatt, S.H. 2004: Sedimentation and recent history of a freshwater wetland in a semi-arid environment: Loboi Swamp, Kenya, East Africa. Sedimentology 51, 1301-21.
7. Ashmore, P. and Church, M. 2001: The impact of climate change on rivers and river processes in Canada. Geological Survey of Canada, Bulletin 555. Ottawa: Natural Resources Canada.
8. Begg, G. 1986: The wetlands of Natal (Part I): an overview of their extent, role and present status. Natal Town and Regional Planning Report 68. Pietermaritzburg: The Natal Town and Regional Planning Commission.
9. Breen, C.M. and Begg, G.W. 1989: Conservation status of southern Africa wetlands. In Huntley, B.J., editor, Biotic diversity in southern Africa: concepts and conservation, Cape Town: Oxford University Press, 254-64.
10. Burkett, V. and Kusler, J. 2000: Climate change: potential impacts and interactions in wetlands of the United States. Journal of the American Water Resources Association 36, 313-20.
11. Butzer, K.W. 1988: Sedimentological interpretation of the Florisbad spring deposits, South Africa. Palaeoecology of Africa 19, 181-89.
12. Cowan, G.I., editor 1995a: Wetlands of South Africa. South African Wetlands Conservation Programme Series. Pretoria: Department of Environmental Affairs and Tourism.
13. Cowan, G.I., editor 1995b: Wetland regions of South Africa. In Cowan, G.I., editor, Wetlands of South Africa, South African Wetlands Conservation Programme Series, Pretoria: Department of Environmental Affairs and Tourism, 21-31.
14. Cowan, G.I. and van Riet, W. 1998: A directory of South African wetlands. Pretoria: Department of Environmental Affairs and Tourism.
15. Cowardin, L.M., Carter, V., Golet, F.C. and LaRoe, E.T. 1979: Classification of wetlands and deepwater habitats of the United States. Report FWS/OBS-79/31. Washington, DC: US Fish and Wildlife Service.
16. de Bruiyn, H. 1971: Pans in the western Orange Free State. Annals of the Geological Survey of South Africa 9, 121-24.
17. Dugan, P.J., editor 1993: Wetlands in danger. London: Mitchell Beazley and IUCN (World Conservation Union).
18. Dunagan, S.P. and Turner, C.E. 2004: Regional paleohydrologic and paleoclimatic settings of wetland/lacustrine depositional systems in the Morrison Formation (Upper Jurassic), Western Interior, USA. Sedimentary Geology 167, 269-96.
19. du Toit, A.L. 1933: Crustal movement as a factor in the geographical evolution of South Africa. South African Geographical Journal 16, 3-20.
20. Ellery, W.N. and McCarthy, T.S. 1994: Principles for the sustainable utilization of the Okavango Delta ecosystem, Botswana. Biological Conservation 70, 159-68.
21. Ellery, W.N., Ellery, K., McCarthy, T.S., Cairncross, B. and Oelofse, R. 1989: A peat fire in the Okavango Delta, Botswana, and its importance as an ecosystem process. African Journal of Ecology 27, 7-21.
22. Ellery, W.N., Ellery, K., Rogers, K.H. and McCarthy, T.S. 1995: The role of Cyperus papyrus L. in channel blockage and abandonment in the northeastern Okavango Delta, Botswana. African Journal of Ecology 33, 25-49.
23. Epstein, C.M. 2002: Application of Rosgen analysis to the New Jersey Pine Barrens. Journal of the American Water Resources Association 38, 69-78.
24. Eugster, H.P. and Jones, B.F. 1979: Behavior of major solutes - closed-basin brine evolution. American Journal of Science 279, 609-31.
25. Finlayson, C.M. and van der Valk, A.G. 1995a: Wetland classification and inventory: a summary. Vegetatio 118, 185-92.
26. Finlayson, C.M. and van der Valk, A.G. editors 1995b: Classification and inventory of the world's wetlands. Vegetatio 118.
27. Goudie, A.S. and Thomas, D.S.G. 1985: Pans in southern Africa with particular reference to South Africa and Zimbabwe. Zeitschrift für Geomorphologie 29, 1-19.
28. Goudie, A.S. and Thomas, D.S.G. 1986: Lunette dunes in southern Africa. Journal of Arid Environments 10, 1-12.
29. Goudie, A.S. and Wells, G.L. 1995: The nature, distribution and formation of pans in and zones. EarthScience Reviews 38, 1-69.
30. Gradziński, R., Baryła, J., Doktor, M., Gmur, D., Gradziński, M., Kedzior, A., Paszkowski, M., Soia, R., Zieliński, T. and Zurek, S. 2003: Vegetation-controlled modern anastomosing system of the upper Narew River (NE Poland) and its sediments. Sedimentary Geology 157, 253-76.
31. Gumbricht, T., McCarthy, T.S., McCarthy, J., Roy, D., Frost, P.E. and Wessels, K. 2002: Remote sensing to detect sub-surface peat fires and peat fire scars in the Okavango Delta, Botswana. South African Journal of Science 98, 351-58.
32. Gumbricht, T., McCarthy, T.S. and Merry, C.L. 2001: The topography of the Okavango Delta, Botswana, and its tectonic and sedimentologicall implications. South African Journal of Geology 104, 243-64.
33. Gumnior, M. and Thiemeyer, H. 2003: Holocene fluvial dynamics in the NE Nigerian savanna: some preliminary interpretations. Quaternary International III, 51-58.
34. Helgren, D.M. 1979: Rivers of diamonds: an alluvial history of the lower Vaal basin, South Africa. Research Paper 185. Chicago: Department of Geography, University of Chicago.
35. Hesse, P., Ralph, T. and Yonge, D. 2005: Dryland wetlands: the Holocene response of inland rivers in Australia. Abstract Book, Drylands: Linking Landscape Processes to Sedimentary Environments, Joint BGRG/BSRG International Conference, 2-4 February 2005, Geological Society, London, 54.
36. Higgins, S.I., Coetzee, M.A.S., Marneweck, G.C. and Rogers, K.H. 1996: The Nyl River floodplain, South Africa, as a functional unit of the landscape: a review of current information. African Journal of Ecology 34, 131-45.
37. Higgins, S.I., Rogers, K.H. and Kemper, J. 1997: A description of the functional vegetation pattern of a semi-arid floodplain, South Africa. Plant Ecology 129, 95-101.
38. Hollis, G.E., Adams, W.M. and Aminu-Kano, M., editors, 1994: The Hadejia-Nguru wetlands: environment, economy and sustainable use of a Sahelian floodplain wetland. Gland, Switzerland, and Cambridge: IUCN Wetlands Programme.
39. Hughes, F.M.R. 1996: Wetlands. In Adams, W.M., Goudie, A.S. and Orme, A.R., editors, The physical geography of Africa, Oxford: Oxford University Press, 267-86.
40. Jacobberger, P.A. 1987: Geomorphology of the upper inland Niger delta. Journal of Arid Environments 13, 95-112.
41. Jacobberger, P.A. 1988a: Drought-related changes to geomorphologic processes in central Mali. Geological Society of America Bulletin 100, 351-61.
42. Jacobberger, P.A. 1988b: Mapping abandoned river channels in Mali through directional filtering of Thematic Mapper data. Remote Sensing of the Environment 26, 161-70.
43. Jones, L.S. and Harper, J.T. 1998: Channel avulsions and related processes, and large-scale sedimentation patterns since 1875, Rio Grande, San Luis Valley, Colorado. Geological Society of America Bulletin 110, 411-21.
44. Jurmu, M.C. 2002: A morphological comparison of narrow, low-gradient streams traversing wetland environments to alluvial streams. Environmental Management 30, 831-56.
45. Jurmu, M.C. and Andrle, R. 1997: Morphology of a wetland stream. Environmental Management 21, 921-41.
46. Knighton, A.D. and Nanson, G.C. 1994: Waterholes and their significance in the anastomosing channel system of Cooper Creek, Australia. Geomorphology 9, 311-24.
47. Knighton, A.D. and Nanson, G.C. 2000: Waterhole form and process in the anastomosing channel system of Cooper Creek, Australia. Geomorphology 35, 101-17.
48. Liutkus, C.M. and Ashley, G.M. 2003: Facies model of a semiarid freshwater wetland, Olduvai Gorge, Tanzania. Journal of Sedimentary Research 73, 691-705.
49. Makaske, B. 1998: Anastomosing rivers: forms, processes and sediments. Utrecht: Faculteit Ruimtelijke Wetenschappen, Universiteit Utrecht.
50. Makaske, B., Smith, D.G. and Berendsen, H.J.A. 2002: Avulsions, channel formation and floodplain sedimentation rates of the anastomosing upper Columbia River, British Columbia, Canada. Sedimentology 49, 1049-71.
51. Marren, P.M., McCarthy, T.S., Tooth, S., Brandt, D., Stacey, G.C., Leong, A. and Spottiswoode, B. 2006: A comparison of mud- and sand-dominated meanders in a downstream coarsening reach of the mixed bedrock-alluvial Klip River, eastern Free State, South Africa. Sedimentary Geology, 190, 213-26.
52. McCarthy, T.S. 1993: The great inland deltas of Africa. Journal of African Earth Sciences 17, 275-91.
53. McCarthy, T.S. and Ellery, W.N. 1995: Sedimentation on the distal reaches of the Okavango fan, Botswana, and its bearing on calcrete and silcrete (ganister) formation. Journal of Sedimentary Research A65, 77-90.
54. McCarthy, T.S. and Ellery, W.N. 1997: The fluvial dynamics of the Maunachira channel system, northeastern Okavango Swamps, Botswana. Water SA 23, 115-26.
55. McCarthy, T.S. and Ellery, W.N. 1998: The Okavango Delta. Transactions of the Royal Society of South Africa 53, 157-82.
56. McCarthy, T.S. and Hancox, P.J. 2000: Wetlands. In Partridge, T.C. and Maud, R.R., editors, The Cenozoic of southern Africa, Oxford: Oxford University Press, 218-35.
57. McCarthy, T.S., Ellery, W.N. and Bloem, A. 1998a: Some observations on the geomorphological impact of hippopotamus (Hippopotamus amphibius L.) in the Okavango Delta, Botswana. African Journal of Ecology 36, 44-56.
58. McCarthy, T.S., Ellery, W.N. and Dangerfield, J.M. 1998b: The role of biota in the initiation and growth of islands on the floodplain of the Okavango alluvial fan, Botswana. Earth Surface Processes and Landforms 23, 291-316.
59. McCarthy, T.S., Ellery, W.N. and Gieske, A. 1994: Possible ground water pollution by sewage effluent at camps in the Okavango Delta: suggestions for its prevention. Botswana Notes and Records 26, 129-38.
60. McCarthy, T.S., Ellery, W.N. and Stanistreet, I.G. 1992: Avulsion mechanisms on the Okavango fan, Botswana: the control of a fluvial system by vegetation. Sedimentology 39, 779-95.
61. McCarthy, TS., Ellery, W.N. and Stanistreet, I.G. 1993a: Lakes of the north eastern region of the Okavango Swamps, Botswana. Zeitschrift für Geomorphologie 37, 273-94.
62. McCarthy, T.S., Green, R.W. and Franey, N.J. 1993b: The influence of neo-tectonics on water dispersal in the northeastern regions of the Okavango swamps, Botswana. Journal of African Earth Sciences 17, 23-32.
63. McCarthy, T.S., Smith, N.D., Ellery, W.N. and Gumbricht, T. 2002: The Okavango Delta - semi-arid alluvial-fan sedimentation related to incipient rifting. In Renaut, R.W. and Ashley, G.M., editors, Sedimentation in continental rifts, SEPM (Society for Sedimentary Geology) Special Publication 73, 179-93.
64. McCarthy, T.S., Stanistreet, I.G., Cairncross, B., Ellery, W.N., Ellery, K., Oelofse, R. and Grobicki, T.S.A. 1988: Incremental aggradation on the Okavango Delta-fan, Botswana. Geomorphology 1, 267-78.
65. McCarthy, T.S., Tooth, S., Brandt, D., Marren, P. and Hancox, P.J. 2004: On the origin of the Nylsvlei wetland. In Abstracts, Geosciences Africa 2004, University of the Witwatersrand, 12-16 July 2004, 435-36.
66. McFarlane, M.J., Eckardt, F.D., Ringrose, S., Coetzee, S.H. and Kuhn, J.R. 2005: Degradation of linear dunes in Northwest Ngamiland, Botswana and the implications for luminescence dating of periods of aridity. Quaternary International 135, 83-90.
67. Middleton, N.J. and Thomas, D.S.G. 1997: World atlas of desertification (second edition). London: UNEP/Edward Arnold.
68. Midgley, D.C., Pitman, W.V. and Middleton, B.J. 1994: Surface water resources of South Africa 1990, volume II. Pretoria: Water Research Commission.
69. Mitsch, W.J. and Gosselink, J.G. 2000: Wetlands (third edition). New York: Wiley, 936 pp.
70. Moore, A. E. 1999: A reappraisal of epeirogenic flexure axes in southern Africa. South African Journal of Geology 102, 363-76.
71. Moore, A.E. and Larkin, P.A. 2001: Drainage evolution in south-central Africa since the breakup of Gondwana. South African Journal of Geology 104, 47-68.
72. Morgan, C.S. 1996: The application of digital terrain models and a geographic information system in the modelling of flooding in the Nyl river floodplain. Unpublished MSc thesis, University of the Witwatersrand.
73. Morozova, G.S. and Smith, N.D. 2000: Holocene avulsion styles and sedimentation patterns of the Saskatchewan River, Cumberland Marshes, Canada. Sedimentary Geology 130, 81-105.
74. Mulamoottil, G., Warner, B.G. and McBean, E. A., editors 1996: Wetlands: environmental gradients, boundaries, and buffers. New York: Lewis Publishers.
75. Nanson, G.C., East, T.J. and Roberts, R.G. 1993: Quaternary stratigraphy, geochronology and evolution of the Magela Creek catchment in the monsoon tropics of northern Australia. Sedimentary Geology 83, 277-302.
76. Nduru, M. 2004: How wetlands will save SA's water supply. Retrieved 15 May 2004 from Mail and Guardian Online, http://www.mg.co.za/Content/ 13.asp?ao=66352
77. Noble, R.G. and Hemens, J. 1978: Inland water ecosystems in South Africa - a review of research needs. South African National Scientific Programme Report 34. Pretoria: CSIR.
78. O'Brien, P.E. and Burne, R.V. 1994: The Great Cumbung Swamp - terminus of the low-gradient Lachlan River, eastern Australia. AGSO Journal of Australian Geology and Geophysics 15, 223-33.
79. Partridge, T. C. and Scott, L. 2000: Lakes and pans. In Partridge, T.C. and Maud, R.R., editors, The Cenozoic of southern Africa, Oxford: Oxford University Press, 145-61.
80. Rech, J.A. and Latorre, C. 2004: Climatic controls on fluvial cut-and-fill cycles in drainages with in-stream wetlands in the central Andes. Abstract H51A-1103. American Geophysical Union Fall Meeting, 13-17 December 2004, San Francisco.
81. Rodnight, H., Duller, G.A.T., Tooth, S. and Wintle, A.G. 2005: Optical dating of a scroll-bar sequence on the Klip River, South Africa, to derive the lateral migration rate of a meander bend. The Holocene 15, 802-11.
82. Rodnight, H., Duller, G.A.T, Wintle, A.G. and Tooth, S. 2006: Assessing the reproducibility and accuracy of optical dating of fluvial deposits. Quaternary Geochronology, 1, 109-20.
83. Rogers, A.W. 1910: Verneuk Pan. Transactions of the Royal Society of South Africa 2, 79-82.
84. Rogers, K. H. 1995: Riparian wetlands. In Cowan, G. I., editor, Wetlands of South Africa, South African Wetlands Conservation Programme Series, Pretoria: Department of Environmental Affairs and Tourism, 41-52.
85. Rogers, K. H. 1997: Freshwater wetlands. In Cowling, R.M., Richardson, D.M. and Pierce, S.M., editors, Vegetation of southern Africa, Cambridge: Cambridge University Press, 322-47.
86. Scholes, R.J. and Walker, B.H. 1993: An African savanna: synthesis of the Nylsvley study. Cambridge: Cambridge University Press.
87. Schulze, R. E. 1997a: South African atlas of agrohydrology and -climatology. Report TT82/96. Pretoria: Water Research Commission.
88. Schulze, R. E. 1997b: Climate. In Cowling, R.M., Richardson, D.M. and Pierce, S.M., editors, Vegetation of southern Africa, Cambridge: Cambridge University Press, 21-42.
89. Scoones, I. 1991: Wetlands in drylands: key resources for agricultural and pastoral production in Africa. Ambio 20, 366-71.
90. Scott, D.A. and Jones, T.A. 1995: Classification and inventory of wetlands: a global overview. Vegetatio 118, 3-16.
91. Scott, L., Holmgren, K., Talma, A.S., Woodborne, S. and Vogel, J.C. 2003: Age interpretation of the Wonderkrater spring sediments and vegetation change in the Savanna Biome, Limpopo Province, South Africa. South African Journal of Science 99, 484-88.
92. Semeniuk, C.A. and Semeniuk, V. 1995: A geomorphic approach to global classification for inland wetlands. Vegetatio 118, 103-24.
93. Shaw, P.A. and Thomas, D.S.G. 1997: Pans, playas and salt lakes. In Thomas, D.S.G., editor, Arid zone geomorphology: process, form and change in drylands (second edition), Chichester: Wiley, 293-317.
94. Shaw, P.A., Bateman, M.D., Thomas, D.S.G. and Davies, F. 2003: Holocene fluctuations of Lake Ngami, Middle Kalahari: chronology and responses to climate change. Quaternary International 111, 23-35.
95. Smith, N.D., McCarthy, T.S., Ellery, W.N., Merry, C.L. and Rüther, H. 1997: Avulsion and anastomosis in the panhandle region of the Okavango Fan, Botswana. Geomorphology 20, 49-65.
96. Stanistreet, I.G. and McCarthy, T.S. 1993: The Okavango Fan and the classification of subaerial fan systems. In Fielding, C. R., editor, Current research in fluvial sedimentology, Sedimentary Geology 85, 115-33.
97. Tarboton, W.R. 1987: The Nyl floodplain: its significance, phenology and conservation status. In Walmsley, R.D. and Botten, M.L., editors, The ecology and conservation of wetlands in South Africa, Ecosystems Programme Occasional Report 28, Pretoria: Foundation for Research Development.
98. Taylor, G.M. 1976: The Barwon River, New South Wales: a study of basin fill by a low gradient stream in a semi-arid climate. Unpublished PhD thesis, Australian National University.
99. Thomas, D.S.G. 1997: Arid environments: their nature and extent. In Thomas, D.S.G., editor, Arid zone geomorphology: process, form and change in drylands (second edition), Chichester: Wiley, 3-12.
100. Thomas, D.S.G. and Shaw, P.A. 1988: Late Cainozoic drainage evolution in the Zambezi Basin: geomorphological evidence from the Kalahari rim. Journal of African Earth Sciences 7, 611-18.
101. Thomas, D.S.G. and Shaw, P.A. 1991: The Kalahari environment. Cambridge: Cambridge University Press.
102. Thomas, D.S.G., O'Connor, P.W., Bateman, M.D., Shaw, P.A., Stokes, S. and Nash, D.J. 2000: Dune activity as a record of late Quaternary aridity in the Northern Kalahari: new evidence from northern Namibia interpreted in the context of regional arid and humid chronologies. Palaeogeography, Palaeoclimatology, Palaeoecology 156, 243-59.
103. Tooth, S. 1999: Floodouts in central Australia. In Miller, A.J. and Gupta, A., editors, Varieties of fluvial form, Chichester: Wiley, 219-47.
104. Tooth, S. 2002: Waterholes: wetlands in drylands? Retrieved 14 November 2005 from http://www.abdn.ac.uk/~gmil96/DrylandRivers/feature/ features_index.php
105. Tooth, S. 2004: Floodout. In Goudie, A.S., editor, Encyclopedia of geomorphology (volume 1), London: Routledge, 380-81.
106. Tooth, S. and McCarthy, T.S. 2004: Controls on the transition from straight to meandering channels in the wetlands of the Okavango Delta, Botswana. Earth Surface Processes and Landforms 29, 1627-49.
107. Tooth, S., Brandt, D., Hancox, P.J. and McCarthy, T.S. 2004: Geological controls on alluvial river behaviour: a comparative study of three rivers on the South African Highveld. Journal of African Earth Sciences 38, 79-97.
108. Tooth, S., McCarthy, T.S., Brandt, D., Hancox, P.J. and Morris, R. 2002a: Geological controls on the formation of alluvial meanders and floodplain wetlands: the example of the Klip River, eastern Free State, South Africa. Earth Surface Processes and Landforms 27, 797-815.
109. Tooth, S., McCarthy, T.S., Hancox, P.J., Brandt, D., Buckley, K., Nortje, E. and McQuade, S. 2002b: The geomorphology of the Nyl River and floodplain in the semi-arid Northern Province, South Africa. South African Geographical Journal 84, 226-37.
110. United Nations Environment Programme (UNEP) 1992: World atlas of desertification. Sevenoaks: Edward Arnold.
111. Unmack, P.J. 2001: Fish persistence and fluvial geomorphology in central Australia. Journal of Arid Environments 49, 653-69.
112. van der Graaff, W.J.E, Crowe, R.WA., Bunting, J.A. and Jackson, M.J. 1977: Relict Early Cainozoic drainages in arid Western Australia. Zeitschrift für Geomorphologie 21, 379-400.
113. van Rooyen, T.H. and Burger, R. du T. 1973: Physiographic features of the central Orange River basin, with a note on pan formation. South African Geographer 4, 218-27.
114. von der Heyden, C.J. 2004: The hydrology and hydrogeology of dambos: a review. Progress in Physical Geography 28, 544-64.
115. Wasson, R.J. 1983: The Cainozoic history of the Strzelecki and Simpson dunefields (Australia), and the origin of the desert dunes. Zeitschrift für Geomorphologie Supplementband 45, 85-115.
116. Wellington, J.H. 1938: The Kunene River and the Etosha Plain. South African Geographical Journal 20, 21-33.
117. Wellington, J.H. 1945: Notes on the drainage of the Western Free State Sandveld. South African Geographical Journal 27, 73-77.
118. Wellington, J.H. 1955: Southern Africa: a geographical study. Volume I: physical geography. Cambridge: Cambridge University Press.
119. Williams, A.R. 1979: Vegetation and stream pattern as indicators of water movement on the Magela floodplain, Northern Territory. Australian Journal of Ecology 4, 239-47.
120. Winter, T.C. 2000: The vulnerability of wetlands to climate change: a hydrologic landscape perspective. Journal of the American Water Resources Association 36, 305-11.
121. Woodroffe, C.D., Mulrennan, M.E. and Chappell, J. 1993: Estuarine infill and coastal progradation, southern van Diemen Gulf, northern Australia. Sedimentary Geology 83, 257-75.
122. Zierholz, C., Prosser, I.P., Fogarty, P.J. and Rustomji, P. 2001: In-stream wetlands and their significance for channel filling and the catchment sediment budget, Jugiong Creek, New South Wales. Geomorphology 38, 221-35.
123. Zoltai, S.C. 1988: Wetland environments and classification. In Wetlands of Canada, National Wetlands Working Group and Canada Committee on Ecological Land Classification, Ottawa: Canadian Government Publications and Polyscience Publications Inc., 3-26.