Abstract:
:Urban sewage is considered one of the most important sources of marine pollution in South America, because most coastal cities do not have proper facilities to treat and dispose of sewage. The Paranaguá estuarine system is an important estuarine environment of the South American coast where fishing, urban and tourist activities, industries and the main Brazilian grain shipping port are potential sources of pollution in this area. The anthropogenic input of sedimentary organic matter, represented by sewage contribution, was evaluated by fecal steroid concentrations. The coprostanol levels were comparatively low (<0.10 μg g(-1)), except at the sites close to Paranaguá city, where the coprostanol concentration reached 2.22 μg g(-1) showing strong sewage contamination. Fecal steroid levels were comparable to the lower to midrange concentrations reported for coastal sediments worldwide. The results of this work demonstrated that sewage pollution can be considered a problem for a small part of the Paranaguá estuary.
journal_name
Mar Pollut Bulljournal_title
Marine pollution bulletinauthors
Martins CC,Braun JA,Seyffert BH,Machado EC,Fillmann Gdoi
10.1016/j.marpolbul.2010.07.027subject
Has Abstractpub_date
2010-11-01 00:00:00pages
2137-43issue
11eissn
0025-326Xissn
1879-3363pii
S0025-326X(10)00333-4journal_volume
60pub_type
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