Accumulation of Heavy Metals by Some Aquatic Macrophytes in Two Streams along the Tiko-Douala Highwa

Aims: This study was proposed at deciding the ecological well-being of two roadside streams across the Tiko-Douala artery, Cameroon, and fact-finding the phytoremediation potentials of main aquatic macrophytes inside these streams.Study Design: Water, sediments, and floating plant samples were calm from Camp 7 and Moqouo streams, and analyzed for ammonium nitrogen, nitrate nitrogen, phosphates, magnesium, cadmium, and lead, containing different appropriate water condition parameters.Place and Duration of Study: In the Life Science Laboratory of the University of Buea, and Soil and Water Laboratory of the University of Dschang, Cameroon 'tween June 2021 and June 2022.Methodology: Six water samples and six waste samples were calm per stream, and two of the most main plant variety (Pennisetum purpureum Schumach (Poaceae) and Dicanthelium clandestinum L. (Poaceae) from Camp 7, Commelina benghalensis L. (Commelinaceae) and Oldenlandia corymbosa L.(Rubiaceae) from Moqouo stream) were calm for harmonized analysis. Heavy metal aggregation and bioaccumulation determinants were persistent for each plant. Results: High concentrations of phosphates were written in Camp 7 (1.19 mg/L) and Moqouo (2.17 mg/L) streams. Dissolved oxygen levels were 0.69 mg/L and 0.80 mg/L in Camp 7 and Moqouo individually. Sediment cadmium levels categorized from 0.33± 0.02 to 0.63± 0.16 mg/kg, and lead categorized from 0.34 ±0.03 to 0.37 ± 0.12 mg/kg in Moqouo and Camp 7 respectively. Conclusion: The Mouqouo and Camp 7 streams are rich in phosphates and accordingly not appropriate for sucking and irrigation. Cadmium and introduction stream water were inside the allowable limits but sediments contained taller concentrations than water and accordingly they maybe announced gradually into the water procession. All plants in the study except (Dicanthelium cladestinum) grown cadmium and lead, and maybe potential plants for the phytoremediation of these metals.

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