Search Results - "Ellery, W.N"

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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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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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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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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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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Fluvial connectivity and climate: A comparison of channel pattern and process in two climatically contrasting fluvial sedimentary systems in South Africa by Grenfell, S.E., Grenfell, M.C., Rowntree, K.M., Ellery, W.N.

“…The aim of this research was to investigate the dynamics of valley formation, sediment delivery and channel pattern in two climatically contrasting fluvial…”
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Conservation of the Vegetation on the Melville Ridge, Johannesburg by Ellery, W.N., Balkwill, K., Ellery, K., Reddy, R.A.

“…The Melville Koppies Ridge in Johannesburg is an area of natural wilderness within the urban environment. The aim of the study was to establish the…”
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Valley morphology and sediment cascades within a wetland system in the KawaZulu-Natal Drakensberg Foothills, eastern South Africa by GRENFELL, M.C, ELLERY, W.N, GRENFELL, S.E

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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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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 character, origin and palaeoenvironmental significance of the Wonderkrater spring mound, South Africa by McCarthy, T.S., Ellery, W.N., Backwell, L., Marren, P., Klerk, B. de, Tooth, S., Brandt, D., Woodborne, S.

“…Wonderkrater is a spring mound consisting entirely of peat in excess of 8 m thick. It has yielded a pollen record extending back over 35,000 years, which has…”
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The origin and development of the Nyl River floodplain wetland, Limpopo Province, South Africa: trunk-tributary river interactions in a dryland setting by McCarthy, Terence S., Tooth, Stephen, Jacobs, Zenobia, Rowberry, Matthew D., Thompson, Mark, Brandt, Dion, Hancox, P. John, Marren, Philip M., Woodborne, Stephan, Ellery, William N.

“…The Nyl River floodplain wetland, one of South Africa's largest floodplain wetlands and a Ramsar site of international conservation importance, is located in…”
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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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Observations on the Abandoned Nqoga Channel of the Okavango Delta by McCARTHY, T. S., ELLERY, W.N., ELLERY, K., ROGERS, K.H.

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Environmental changes over two decades since dredging and excavation of the lower Boro River, Okavango Delta, Botswana by Ellery, W.N, McCarthy, T.S

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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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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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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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