Water quality / Aquatic Plants / Phosphorus / Seasonality / Surface Water / Chromium / Species Richness / Water Quality / Chemical Composition / Total Phosphorus / Organic Matter / Chlorophyll a / Chromium / Species Richness / Water Quality / Chemical Composition / Total Phosphorus / Organic Matter / Chlorophyll a
Plant Biology / Ecology / Essential Oil / Gas Chromatography / South African / Gas Chromatography/mass Spectrometry / Chemical Composition / Gas Chromatography/mass Spectrometry / Chemical Composition