Trace elements distribution and ecological risk assessment of seawater and sediments from Dingzi Bay, Shandong Peninsula, North China.

Abstract:

:Selected trace elements (Hg, As, Pb, Cu, Cd, Cr and Zn) in seawater and sediments from Dingzi Bay, a semi-enclosed bay suffering from severe degradation located in the Shandong Peninsula, were investigated to evaluate the spatial distribution and potential ecological risk. Results indicated that higher concentrations occurred in the inner bay. Calculation of pollution load index (PLI) showed overall low values while the concentration factor (CF) indicated that Hg, As and Cd were at moderate risk levels in the region. Based on the effects-range classification, As was likely to pose environment risk. Principal component analysis (PCA) revealed that in addition to background contributions, the trace elements contamination could also be affected by anthropogenic pollution sources. The results of present study provide useful background information for further marine investigation and management in the region.

journal_name

Mar Pollut Bull

authors

Pan J,Pan JF,Wang M

doi

10.1016/j.marpolbul.2014.10.022

subject

Has Abstract

pub_date

2014-12-15 00:00:00

pages

427-434

issue

1-2

eissn

0025-326X

issn

1879-3363

pii

S0025-326X(14)00706-1

journal_volume

89

pub_type

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