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<p>This study investigated the chemical elements released by the Tunisian Chemical Company into the Gabes Gulf and assessed their impact on the surrounding soils and plants. Three naturally growing plant species, <i>Cakile maritima</i> (I), <i>Arthrocaulon meridionale</i> (II) and <i>Zygophyllum album</i> (III), were collected from three stations located 0&#xa0;km (S1), 15&#xa0;km (S2), and 25&#xa0;km (S3) from the industrial discharge area. Soil samples associated with each species were also collected. Sampling was conducted in the Gabes Gulf region, southern Tunisia, at varying distances from a chemical industrial complex. Plant organs (roots, stems, and leaves) and corresponding soil samples were analyzed for their mineral composition using atomic absorption spectroscopy. Element accumulation patterns were examined with respect to plant species and distance from the pollution source. The findings revealed that the accumulation of several trace metal elements (TMEs) varied significantly among plant species, whereas others were primarily influenced by proximity to the pollution source. A third group of elements showed combined effects of both factors. Leaves represented the main destination for most mineral compounds. High concentrations of heavy metals were detected in soils and plant tissues, with the greatest accumulation observed in <i>Cakile maritima</i> (species I) at station S1, suggesting potential environmental contamination and possible implications for human health that warrant further risk assessment. Species I (<i>C. maritima</i>) demonstrated considerable accumulation capacity and may serve as a promising candidate for phytoremediation applications in polluted coastal zones.</p>

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Assessment of mineral element accumulation in plants and soils exposed to industrial pollution in the Gabes Gulf, Tunisia

  • 期刊论文

  • 发表日期：

    2026年4月9日

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  • Ammar Cherif

摘要

This study investigated the chemical elements released by the Tunisian Chemical Company into the Gabes Gulf and assessed their impact on the surrounding soils and plants. Three naturally growing plant species, Cakile maritima (I), Arthrocaulon meridionale (II) and Zygophyllum album (III), were collected from three stations located 0 km (S1), 15 km (S2), and 25 km (S3) from the industrial discharge area. Soil samples associated with each species were also collected. Sampling was conducted in the Gabes Gulf region, southern Tunisia, at varying distances from a chemical industrial complex. Plant organs (roots, stems, and leaves) and corresponding soil samples were analyzed for their mineral composition using atomic absorption spectroscopy. Element accumulation patterns were examined with respect to plant species and distance from the pollution source. The findings revealed that the accumulation of several trace metal elements (TMEs) varied significantly among plant species, whereas others were primarily influenced by proximity to the pollution source. A third group of elements showed combined effects of both factors. Leaves represented the main destination for most mineral compounds. High concentrations of heavy metals were detected in soils and plant tissues, with the greatest accumulation observed in Cakile maritima (species I) at station S1, suggesting potential environmental contamination and possible implications for human health that warrant further risk assessment. Species I (C. maritima) demonstrated considerable accumulation capacity and may serve as a promising candidate for phytoremediation applications in polluted coastal zones.