کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5757908 1622722 2016 10 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Heavy metal pollution monitoring with foraminifera in the estuaries of Nellore coast, East coast of India
ترجمه فارسی عنوان
نظارت بر آلودگی فلزات سنگین با فروامینیررا در استوایای ساحل نولور، ساحل شرقی هند
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات اقیانوس شناسی
چکیده انگلیسی
A total of 112 bottom water and sediment samples collected at fixed stations in pre-monsoon and post-monsoon from four estuaries (Pennar, Uppateru, Swarnamukhi, and Kalangi) showed foraminiferal test abnormalities in heavy metal concentrations (Co, Cr, Cu, Fe, Mn, Ni, and Pb). Low diversity of fauna was due to the predominance of a limited number of opportunistic species capable of achieving high densities in adverse environmental conditions and the reduction in the number of species intolerant of such conditions. In this study, classification of 54 common species according to their distribution is presented. Approximately 15 species showed quite low diversities at stations 23-27 and 44-51. Because of the effect of heavy metal pollution in these estuaries, drastic changes in the number of species and diversity of foraminifera were observed. These changes in foraminiferal species and the increase in test abnormalities are proxies of environmental stress on the estuarine ecosystem.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Marine Pollution Bulletin - Volume 113, Issues 1–2, 15 December 2016, Pages 542-551
نویسندگان
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