Journal ArticleOpen Access
Assessment of ecological and human health concerns associated with heavy metal poisoning in the sediments of Western St. Martin’s Island, Bangladesh
Authors
Author Affiliations
Sylhet Agricultural University, Bangladesh Fisheries Research Institute, Bangladesh Council of Scientific and Industrial Research, The University of Tokyo, ...
Published InEstuarine Management and Technologies.
Year2025
Citations1
Abstract
St. Martin’s Island (SMI) was designated an Ecologically Critical Area by the Bangladesh government in 1999 to preserve its biodiversity. Heavy metals (HMs) pollution is a critical environmental problem, driven primarily by anthropogenic activities, that causes various environmental impacts, including the contamination of marine resources. This study aimed to investigate the presence of HMs in marine sediments and evaluate the potential risks they pose to the marine environment and human health (adults and children). Atomic Absorption Spectrometry was used to assess the HMs in composite sediment samples collected from 12 sampling sites along the west coast of SMI. The average (±SD) HM concentrations (mg/kg) found, in descending order, were Mn (317.58±48.1) > Fe (168.42±35.46) > Zn (31.17±6.34) > Ni (24.17±6.41)…
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