| Table of contents Water SA vol.37 n.2 Pretoria Apr. 2011 Improved sensitivity using liquid chromatography mass spectrometry (LC-MS) for detection of propyl chloroformate derivatised β-N-methylamino-L-alanine (BMAA) in cyanobacteria Esterhuizen-Londt, M; Downing, S; Downing, TG
| | | The trigger-tube: a new apparatus and method for mixing solutes for injection tests in boreholes Ayuk Akoachere II, Richard; Van Tonder, Gerrit
| | | Characteristics of local groundwater recharge cycles in South African semi-arid hard rock terrains - rainwater input van Wyk, E; van Tonder, GJ; Vermeulen, D
| | | Influence of irrigation on the level, salinity and flow of groundwater at Vaalharts Irrigation Scheme Verwey, PMJ; Vermeulen, PD
| | | Effects of tillage on runoff from a bare clayey soil on a semi-arid ecotope in the Limpopo Province of South Africa Mzezewa, Jestinos; van Rensburg, Leon D
| | | Investigation of the origin and distribution of heavy metals around Ebenezer Dam, Limpopo Province, South Africa Ogola, JS; Mundalamo, HR; Brandl, G
| | | Uptake of selected metals in tissues and organs of Clarias gariepinus (sharptooth catfish) from the Vaal River System - chromium, copper, iron, manganese and zinc Crafford, D; Avenant-Oldewage, A
| | | Local and regional factors influencing zooplankton communities in the connected Kasseb Reservoir, Tunisia Sellami, Ikbel; Elloumi, Jannet; Hamza, Asma; Mhamdi, Mohammed Alaoui; Ayadi, Habib
| | | Removal of Escherichia coli from biological effluents using natural and artificial mineral aggregates Miranda-Ríos, M; Luna-Pabello, VM; Orta de Velásquez, MT; Barrera-Godínez, JA
| | | Theoretical and numerical analysis of the influence of the bottom friction formulation in free surface flow modelling Machiels, O; Erpicum, S; Archambeau, P; Dewals, B; Pirotton, M
| | | Multi-grid Beam and Warming scheme for the simulation of unsteady flow in an open channel Rahimpour, Majid; Tavakoli, Ali
| | | Local energy losses at positive and negative steps in subcritical open channel flows Tokyay, Nuray Denli; Burcu Altan-Sakarya, A
| | | Experimental and numerical investigations of flow through free double baffled gates Helmi, Ahmed M; El-Gamal, Mohamed H
| | | Investigating the cooperative strategies between China and North Korea for the Tumen River Area Development Programme Lee, S; Park, W; Park, H
| | | Short communication | | | | · Industrial effluent treatments using heavy-metal removing bacterial bioflocculants Lin, J; Harichund, C
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