Abstract:
:King George Island, situated in the South Shetland Islands archipelago, is one of the most visited sites in Antarctica. This has contributed to a high density of scientific stations and shelters in the region, especially in Fildes Peninsula. In order to evaluate the natural and anthropogenic sources of trace elements (As, Cd, Cu, Zn, Pb and Hg) soil and moss samples were collected from different sites in January 2013. In general, the results revealed homogeneous concentrations (μgg(-)(1)) for each element in the majority of collected samples (As: 3.8±1.4; Cd: 0.4±0.9; Cu: 34±4; Zn: 115±13; Pb: 20±5; Hg; 0.011±0.009). However, some samples in specific areas of Fildes Bay showed the existence of local anthropogenic activities that have contributed to the enrichment of contaminants in soils and moss samples that correlated to one another (e.g. Pb: 1101μgg(-)(1)). Human presence is linked to examples of contamination and environmental perturbation, making essential the implementation of this type of study in order to understand and protect unique places in Antarctica.
journal_name
Mar Pollut Bulljournal_title
Marine pollution bulletinauthors
Amaro E,Padeiro A,Mão de Ferro A,Mota AM,Leppe M,Verkulich S,Hughes KA,Peter HU,Canário Jdoi
10.1016/j.marpolbul.2015.05.018subject
Has Abstractpub_date
2015-08-15 00:00:00pages
523-527issue
1-2eissn
0025-326Xissn
1879-3363pii
S0025-326X(15)00275-1journal_volume
97pub_type
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