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<p>The Mediterranean coast of Morocco is increasingly affected by various anthropogenic activities and industrial growth, raising concerns about potential heavy metal contamination in the surrounding marine ecosystem. This study aimed to evaluate the extent of heavy metal pollution of in Surface Waters at main River Mouths along the Mediterranean coast by conducting sampling at 14 different stations. Heavy metal concentrations were analyzed. In addition, several physicochemical parameters, including temperature, pH, electrical conductivity, salinity, sulfates, and chlorides, were measured to better evaluate water quality. The measured concentrations of the selected metals varied from 0.614 to 2.24&#xa0;mg/L for Pt, 24 to 440&#xa0;mg/L for Fe, 0.012 to 0.096&#xa0;mg/L for Pb, 0.26 to 0.32&#xa0;mg/L for Al, and Zn concentrations remained below detection or within low ranges. Electrical conductivity values in surface seawater varied between 1.113 and 46 mS/cm, while salinity varied from 0.687 to 36.8&#xa0;g/L. The findings show that the physicochemical parameters and heavy metal concentrations are likely influenced by anthropogenic sources, such as industrial discharges, wastewater releases, and desalination plant activities in the area. Overall, this study provides baseline data on heavy metal distribution in the studied coastal area and highlights the need for continuous monitoring to better understand potential environmental impacts.</p>

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Assessment of heavy metal contamination in surface waters at main River Mouths along the Moroccan Mediterranean coast

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年8月5日

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  • Siham Bouzrour,
  • Mohammed Saddik,
  • Mourad Addich,
  • Khalid El Khalidi,
  • Moulay Laarabi El Hachimi,
  • Aissa Benazzouz,
  • Bendahhou Zourarah

摘要

The Mediterranean coast of Morocco is increasingly affected by various anthropogenic activities and industrial growth, raising concerns about potential heavy metal contamination in the surrounding marine ecosystem. This study aimed to evaluate the extent of heavy metal pollution of in Surface Waters at main River Mouths along the Mediterranean coast by conducting sampling at 14 different stations. Heavy metal concentrations were analyzed. In addition, several physicochemical parameters, including temperature, pH, electrical conductivity, salinity, sulfates, and chlorides, were measured to better evaluate water quality. The measured concentrations of the selected metals varied from 0.614 to 2.24 mg/L for Pt, 24 to 440 mg/L for Fe, 0.012 to 0.096 mg/L for Pb, 0.26 to 0.32 mg/L for Al, and Zn concentrations remained below detection or within low ranges. Electrical conductivity values in surface seawater varied between 1.113 and 46 mS/cm, while salinity varied from 0.687 to 36.8 g/L. The findings show that the physicochemical parameters and heavy metal concentrations are likely influenced by anthropogenic sources, such as industrial discharges, wastewater releases, and desalination plant activities in the area. Overall, this study provides baseline data on heavy metal distribution in the studied coastal area and highlights the need for continuous monitoring to better understand potential environmental impacts.