Search Results - "Ellery, W. N."

Geomorphology and dynamics of the Mfolozi River floodplain, KwaZulu-Natal, South Africa by Grenfell, S.E., Ellery, W.N., Grenfell, M.C.

“…The geomorphology and dynamics of the Mfolozi River floodplain and estuary, located in the subtropical region of northern KwaZulu-Natal, South Africa, were…”
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Water chemistry and effect of evapotranspiration on chemical sedimentation on the Mkuze River floodplain, South Africa by Humphries, M.S., Kindness, A., Ellery, W.N., Hughes, J.C.

“…The Mkuze Wetland System, forming part of the iSimangaliso World Heritage Site, is South Africa’s largest freshwater wetland area and is known to act as a sink…”
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Controls on the formation of Wakkerstroom Vlei, Mpumalanga province, South Africa by Joubert, R, Ellery, WN

“…The present study investigated controls on the formation of Wakkerstroom Vlei, an ∼1 000 ha unchannelled valley-bottom wetland on the South African Highveld…”
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Hydrology, sediment transport dynamics and geomorphology of a variable flow river : the Mfolozi River, South Africa by Grenfell, S.E., Ellery, W.N.

“…The co-efficient of variation for inter-annual streamflow of the Mfolozi River is extremely high at 79%. An analysis of flow frequency indicated that…”
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The geomorphic origin of large wetlands in Africa's elevated drylands: a Geographic Information System and Earth Observation approach by Lidzhegu, Z., Ellery, W. N., Mantel, S. K.

“…The topographic, climatic and tectonic conditions of the sub-continent present opportunities to better understand the role that geomorphological processes play…”
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Assessment of the long-term response to rehabilitation of two wetlands in KwaZulu-Natal, South Africa by Cowden, C, Kotze, DC, Ellery, WN, Sieben, EJJ

“…Assessing the ecological outcomes of wetland rehabilitation activities is an important need recognised by the 'Working for Wetlands' programme in South Africa…”
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Diversion of water flow from a floodplain wetland stream: an analysis of geomorphological setting and hydrological and ecological consequences by Ellery, W.N, Dahlberg, A.C, Strydom, R, Neal, M.J, Jackson, J

“…Diversion of water has been ongoing in the Mkuze Wetland for several decades. Two canals form the focus of this study; the Mpempe–Demazane Canal and the…”
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Impact of marine inundation after a period of drought on the lakeshore vegetation of Lake St Lucia, South Africa: resilience of estuarine vegetation by Sieben, EJJ, Ellery, WN, Dullo, BW, Grootjans, AP

“…The shore of Lake St Lucia in the vicinity of Catalina Bay, in the southern part of the lake, receives freshwater input as surface and groundwater seepage from…”
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The mound-building termite Macrotermes michaelseni as an ecosystem engineer by Dangerfield, J.M., Mccarthy, T.S., Ellery, W.N.

“…Many organisms create or alter resource flows that affect the composition and spatial arrangement of current and future organismal diversity. The phenomenon…”
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The role of biota in the initiation and growth of islands on the floodplain of the Okavango alluvial fan, Botswana by McCarthy, T. S., Ellery, W. N., Dangerfield, J. M.

“…A group of islands of varying size on the floodplain of the Okavango alluvial fan, were studied to establish the processes which lead to the initiation and…”
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The language of intervention : a review of concepts and terminology in wetland ecosystem repair by Garden, S.E., Van der Valk, A.G., Ellery, W.N., Grenfell, M.C., Dini, J.

“…As programmes and projects aimed at addressing wetland degradation gain momentum in South Africa, it is critical that related ideas are communicated among and…”
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Development and persistence of an African mire: How the oldest South African fen has survived in a marginal climate by Grundling, P., Grootjans, A.P., Price, J.S., Ellery, W.N.

“…Hydrological processes maintain wetlands, whose position in the landscape determines their character and possible response to climate change. We studied such…”
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Delineating wetland areas from the cut-and-fill method using a Digital Elevation Model (DEM) by Lidzhegu, Z, Ellery, W.N, Mantel, S.K, Hughes, D.A

“…Satellite imagery has been widely used to delineate, map and monitor different wetland types. However, the influence of clouds and spectral confusion between…”
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A rapid assessment method for coupling anthropogenic stressors and wetland ecological condition by Kotze, D.C., Ellery, W.N., Macfarlane, D.M., Jewitt, G.P.W.

“…South Africa faces growing impacts on wetlands and limited resources for conducting assessments. In response, a method for the rapid assessment of ecological…”
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Environmental change over two decades since dredging and excavation of the lower Boro River, Okavango Delta, Botswana by Ellery, W., McCarthy, T.

“…The Okavango Delta, southern Africa's largest wetland, is situated on the fringe of the semi-arid Kalahari Desert. It is a large alluvial fan, occupying a…”
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Sedimentation on the Distal Reaches of the Okavango Fan, Botswana, and its Bearing on Calcrete and Silcrete (Ganister) Formation by T.S. McCarthy, W.N. Ellery

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Some observations on the geomorphological impact of hippopotamus (Hippopotamus amphibius L.) in the Okavango Delta, Botswana by McCARTHY, T.S, ELLERY, W.N, BLOEM, A

“…The Okavango Delta is a large wetland system situated in northern Botswana. The hippopotamus forms an integral part of this dynamic ecosystem, as it exerts a…”
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Peat formation in the context of the development of the Mkuze floodplain on the coastal plain of Maputaland, South Africa by Ellery, W.N., Grenfell, S.E., Grenfell, M.C., Humphries, M.S., Barnes, K., Dahlberg, A., Kindness, A.

“…This paper examines the geomorphological and sedimentological development of blocked-valley lakes in the Mkuze floodplain on the coastal plain of Maputaland,…”
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Wetlands as early warning (eco)systems for water resource management by Ellery, W.N., Grenfell, M.C., Preston-Whyte, R.A.

“…This paper describes a case study which investigated impacts of a change in catchment land use from natural grassland to commercial forestry on the…”
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Avulsion and anastomosis in the panhandle region of the Okavango Fan, Botswana by Smith, Norman D., McCarthy, Terence S., Ellery, W.N., Merry, Charles L., Rüther, Heinz

“…GPS water-surface elevation data from the panhandle region of the Okavango Fan (northwestern Botswana) show that a prominent anastomosed reach occurs within a…”
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