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Patterns in periphyton biomass and community structure in foothill rivers: A comparison between winter and summer rainfall regions

Grainger, Cole Vincent (Stellenbosch : Stellenbosch University, 2017-12)

ENGLISH ABSTRACT: South Africa has a semi-arid climate with seasonal rainfall whose runoff is jeopardised by high rates of evapotranspiration. These conditions decrease the ability of rivers to dilute point and non-point ...