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:: Volume 5, Issue 4 (2-2014) ::
2014, 5(4): 45-55 Back to browse issues page
Concentration of heavy metals in Avicennia marinaand sediments in Dayyer port
Mitra Cheraghi , Alireza Safahieh, Ali Dadolahi Sohrab, Kamal Ghanemi, Abdol Majid i Doragh
Abstract:   (5965 Views)
By increasingthe industrial activities during recent years and organic and inorganic pollutants including heavy metals to environment, especially in the aquatic ecosystems the problems that threaten human health are increasing. Aquatic plants that link of food chain have important role in the uptake of heavy metals. In this study, to determine the heavy metals (Cd, Pb, Cu, Ni and Zn concentration) and role of mangrove (Avicennia marina) in the accumulation of elements, samples collected randomly from sediments and plant tissues in three stations in Bardestan. Then,Metals concentration was measured by atomic absorption after acid digestion. The ammount of cadmium, lead, copper, nickel and zinc in the sediments was 4.5, 11.55, 10.30, 81.45 and 41.48 µg/g, respectively. The amount of these elements in plant roots was 2.89, 9.38, 6.17, 5.32 and 23.33 and in the sheet being 2.26, 8.78, 4.42, 2.39 and 15.37 respectively. In general, the accumulation of metals in sediments and mangroves tissues showed that increasing the amount of these elements in sediments can also increased concentration of metals in plant tissues, so, A.marina can be an indicator for heavy metals. In addition, this plant can indicate the amount of metals bioavailability and environmental hazards.
Keywords: Avicennia marina, Heavy metals, Sediments, Dayyer.
Full-Text [PDF 28 kb]   (1888 Downloads)    
Type of Study: Research | Subject: Special
Received: 2015/01/7 | Accepted: 2015/01/7 | Published: 2015/01/7
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Cheraghi M, Safahieh A, Dadolahi Sohrab A, Ghanemi K, Doragh A M I. Concentration of heavy metals in Avicennia marinaand sediments in Dayyer port . Wetland Ecobiology. 2014; 5 (4) :45-55
URL: http://jweb.iauahvaz.ac.ir/article-1-166-en.html


Volume 5, Issue 4 (2-2014) Back to browse issues page
مجله علمی پژوهشی اکوبیولوژی تالاب Journal of Wetland Ecobiology
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