Downward flux of water through roots (i.e., inverse hydraulic lift) in dry kalahari sands. - Schulze, ,E.-D.,.; Caldwell, ,M..M.,.; Canadell, ,J.,.; Mooney, ,H..A.,.; Jackson, ,R..B.,.; Parson, ,D.,.; Scholes, ,R.,.; Sala, ,O..E.,.; and Trimborn, ,P.. (Oecologia, 1998)