Bioaccumulation of trace metals in Hexaplex trunculus: spatial and temporal trends from 2004 to 2011 along the Tunisian coast.
作者： Youssef Lahbib , Anwar Mleiki , Najoua Trigui-El Menif
DOI: 10.1007/S11356-016-6723-0
关键词:
摘要: Cd, Zn, Cu, As, Fe, Cr, Ni, Al, and Pb were analyzed in the edible inedible parts of muricid gastropod Hexaplex trunculus sampled along Tunisian coast 2004, 2007, 2011. The concentration ranges (μg/g dry weight) whole soft tissue 0.1-19.2 for 198.7-564.6 31.9-363.1 12.8-177.8 35.4-179.0 0.0-5.8 0.1-4.6 1.0-41.4 0.0-0.6 Pb. highest concentrations recorded Gabes Menzel Jemil Zn Bizerte channel Zarat Cr Pb, Tunis North Lake Ni. European standards compiled by FAO mollusks exceeded several localities. temporal trends revealed a decreasing metal contamination most sampling stations from 2004 to calculated intake metals (μg/week/kg body through human consumption snail portion varied 0.0 4.4 55.9 172.1 8.7 92.7 3.0 42.6 9.5 49.1 1.52 1.4 0.3 11.4 Al. Comparison these intakes with those standard provisional tolerable weekly (PTWI) values stipulated WHO recommends precaution terms this marine snail.
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