کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9456326 | 1309190 | 2005 | 16 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Trace elements in biodeposits and sediments from mussel culture in the RÃa de Arousa (Galicia, NW Spain)
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
علوم محیط زیست
شیمی زیست محیطی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Trace elements in biodeposits and sediments from mussel culture in the RÃa de Arousa (Galicia, NW Spain) Trace elements in biodeposits and sediments from mussel culture in the RÃa de Arousa (Galicia, NW Spain)](/preview/png/9456326.png)
چکیده انگلیسی
The trace elements present at highest concentrations were Cr and Zn, which probably originated from the dumping of effluent from a tanning factory. High proportions of these two elements were associated with the residual fraction. Biodeposits and sediments showed high concentrations of Cd and Pb in the reactive fraction, with a high proportion of the concentration in the reactive fraction being associated with carbonates. Nickel showed a higher degree of pyritization than the previous elements, although most of the Ni was associated with the residual and reactive fractions. Arsenic, Hg and Cu showed high degrees of pyritization, particularly below a depth of 5 cm. The results demonstrate that those elements with a high degree of pyritization may be released into the water through oxidation of the metal sulphides that they form when in suspension in oxic sea water, with the subsequent risk of increased bioavailability to benthic fauna.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Environmental Pollution - Volume 136, Issue 1, July 2005, Pages 119-134
Journal: Environmental Pollution - Volume 136, Issue 1, July 2005, Pages 119-134
نویسندگان
X.L. Otero, P. Vidal-Torrado, R.M. Calvo de Anta, F. MacÃas,