NDLI: Bioavailability and Concentration of Heavy Metals in the Sediments and Leaves of Grey Mangrove, Avicennia marina (Forsk.) Vierh, in Sirik Azini Creek, Iran

Content Provider	Springer Nature Link
Author	Parvaresh, Hossein Abedi, Zahra Farshchi, Parvin Karami, Mahmood Khorasani, Nematullah Karbassi, Abdolreza
Copyright Year	2010
Abstract	The concentration and bioavailability of Ni, Cu, Cd, Zn, and Pb in the sediments and leaves of grey mangrove, Avicennia marina, were studied throughout Sirik Azini creek (Iran) with a view to determine heavy metals bioavailability, and two methods were used. Results show that Zn and Ni had the highest concentrations in the sediments, while Cd and Cu were found to have the lowest concentrations in the sediments. Compared to the mean concentrations of heavy metals in sedimentary rock (shales), Zn and Cu showed lower concentration, possibly indicating that the origin of these heavy metals is natural. A geo-accumulation index (I $_{geo}$) was used to determine the degree of contamination in the sediments. I $_{geo}$ values for Zn, Cu, Pb, and Ni showed that there is no pollution from these metals in the study area. As heavy metal concentrations in leaves were higher than the bioavailable fraction of metals in sediments, it follows that bioconcentration factors (leaf/bioavailable sediment) for some metals were higher than 1.
Starting Page	1121
Ending Page	1130
Page Count	10
File Format	PDF
ISSN	01634984
Journal	Biological Trace Element Research
Volume Number	143
Issue Number	2
e-ISSN	15590720
Language	English
Publisher	Humana Press Inc
Publisher Date	2010-10-30
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Bioavailability Heavy metals Avicennia marina Azini creek Sirik mangrove forest Oncology Biotechnology Biochemistry Nutrition
Content Type	Text
Resource Type	Article
Subject	Biochemistry (medical) Endocrinology, Diabetes and Metabolism Clinical Biochemistry Biochemistry Inorganic Chemistry

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