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BackgroundThere are few data on the prevalence of schistosomiasis in Darfur. We conducted this study in response to reports of 15 laboratory confirmed cases of schistosomiasis and visible haematuria… (More)
In a desertified source area of drifting sand encroaching on parts of the Gezira Irrigation Scheme in Central Sudan, sand settlement by trees was envisaged. Establishment, survival and growth of… (More)
Sand movement from seriously degraded arid land with active sand dunes, northwest of the Gezira irrigation scheme (Sudan), is a real danger to that scheme. At its periphery, more than 10 cm of top… (More)
Summary The work reported on was part of a more comprehensive study dealing with threatening sand movement towards the northwestern part of the Gezira irrigation scheme, Sudan. An irrigated sand… (More)
The aim of this study was to assess the effectiveness of sparse vegetation, feature common in arid zone, to reduce wind force (velocity) and hence protect the surface and regions downwind from… (More)
Problems of vertical alignment and vibrations of disposable coffee cups used in a modified version of the De Ploey saltating sand catcher were solved. The new version was tested in a sediment wind… (More)