کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4424844 1309086 2011 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Persistent organic pollutant in a fish community of a sub-alpine lake
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم محیط زیست شیمی زیست محیطی
پیش نمایش صفحه اول مقاله
Persistent organic pollutant in a fish community of a sub-alpine lake
چکیده انگلیسی

This study investigated the presence of organochlorine pollutants in abiotic and biotic samples from Lake Como (Italy). DDTs and PCBs were found to be the major contaminants, ranging from 0.04 to 4.25 and from 0.25 to 40.8 μg/g lipid respectively. Evidence of biomagnification according to the trophic role of the investigated organisms was highlighted by means of Stable Isotope Analysis. A Trophic Magnification Factor (TMF) was calculated for the chemicals of interest and the applicability of the method for global use was confirmed. Statistically significant correlation has been found between the calculated trophic level and the concentrations of more lipophilic compounds, while for the less lipophilic (e.g., HCH, 3CBs) the relationship is no statistically significant and the TMF is close to 1.The role of the foraging area in affecting PCB and DDT concentrations within aquatic ecosystems has been highlighted by a Principal Component Analysis (PCA).

Research highlights
► The dependence of organoclorine accumulation from the physiological parameters.
► The position of organisms in the community in affecting POPs concentrations.
► The importance of the foraging area as a parameter that impacts the exposure.
► Contributes to the debate on the role of glacial area on low altitude ecosystems.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Environmental Pollution - Volume 159, Issue 4, April 2011, Pages 932–939
نویسندگان
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