Rationale for an ecological risk approach for South African water resource management

Jooste, S.Claassen, M. 

283 

Abstract

A possibilistic approach to diverse-stressor aquatic ecological risk estimation

Jooste, S.  

293

Abstract

Hydrological modelling of fine sediments in the Odzi River, Zimbabwe

Liden, R.Harlin, J.Karlsson, M.Rahmberg, M. 

303

Abstract

Flood frequency analysis at ungauged sites in the KwaZulu-Natal Province, South Africa

Kjeldsen, T.R.Smithers, J.C.Schulze, R.E. 

315

Abstract

A hydrological perspective of the February 2000 floods : a case study in the Sabie River catchment

Smithers, J.C.Schulze, R.E.Pike, A.Jewitt, G.P.W.  

325

Abstract

Installed water resource modelling systems for catchment management agencies

Dent, M.C.  

333

Abstract

Estimation of recharge using a revised CRD method

Xu, Y.Van Tonder, G.J. 

341

Abstract

A generalised solution for step-drawdown tests including flow dimension and elasticity

Van Tonder, G.J.Botha, J.F.Van Bosch, J. 

345

Abstract

An improved technique for the determination of oxidised nitrogen in natural waters with a Sequential Injection Analysis (SIA) system

Naidoo, E.B.Van Staden, J.F.  

355

Abstract

Treatment of pulping effluents by using alum and clay - colour removal and sludge characteristics

Dilek, F.B.Bese, S.  

361

Abstract

The impact of irrigation return flow on aspects of the water quality of the upper Gamtoos Estuary, South Africa

Pearce, M.W.Schumann, E.H.  

367

Abstract

Some factors governing the water quality of microtidal estuaries in South Africa

Allanson, B.R. 

373

Abstract

Estimating potential impacts of a change in river quality on the tourism value of Kruger National Park : an application of travel cost, contingent, and conjoint valuation methods

Turpie, J.Joubert, A.  

387

Abstract

Pretreatment of urban wastewaters in a hydrolytic upflow digester

Ligero, P.Vega, A.Soto, M.  

399

Abstract

A review of characterisation requirements for in-line prefermenters : Paper 1 : Wastewater characterisation

Rossle, W.H.Pretorius, W.A.  

405

Abstract

A review of characterisation requirements for in-line prefermenters : Paper 2 : Process characterisation

Rossle, W.H.Pretorius, W.A.  

413