Abstract：
:The use of fish in environmental monitoring has become increasingly important in recent years as anthropogenic substances, many of which function as prooxidants, are accumulating in aquatic environments. We have measured a battery of antioxidant defenses as a measure of oxidative status, as well as protein carbonylation as a measure of oxidative damage, in corkwing wrasse (Symphodus melops) captured near a disused copper mine, where water and sediment are contaminated with heavy metals, and an aluminum smelter, a site contaminated with PAHs. Results were compared to two different reference sites. Fish at the heavy metal site had lower glucose-6-phosphate dehydrogenase activity and elevated protein carbonyls (1.8 times) compared to fish from the reference site. At the PAH site, EROD was increased 2-fold, while total glutathione and methemoglobin reductase concentration, were decreased. No differences were seen in protein carbonyl levels at the PAH site. Measures of both antioxidant defenses and oxidative damage should be used when assessing effects of xenobiotics on oxidative stress in fish species.
journal_name
Mar Environ Resjournal_title
Marine environmental researchauthors
Almroth BC,Sturve J,Stephensen E,Holth TF,Förlin Ldoi
10.1016/j.marenvres.2008.04.002subject
Has Abstractpub_date
2008-08-01 00:00:00pages
271-7issue
2eissn
0141-1136issn
1879-0291pii
S0141-1136(08)00120-7journal_volume
66pub_type
杂志文章abstract：:The Water Framework Directives aims a reduction in concentration of hazardous substances in the marine environment. Consequently, there is a need to distinguish between anthropogenically influenced metal concentrations from natural background levels. To better achieve this goal in the Portuguese coast, dissolved and p...
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pub_type： 杂志文章
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journal_title：Marine environmental research
pub_type： 杂志文章
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更新日期：2012-08-01 00:00:00
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journal_title：Marine environmental research
pub_type： 杂志文章
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journal_title：Marine environmental research
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journal_title：Marine environmental research
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更新日期：2020-09-01 00:00:00
abstract：:The aim of this work is to review studies to evaluate how emissions from fish cage farms cause eutrophication effects in marine environments. The focus is on four different scales: (i) the conditions at the site of the farm, (ii) the local scale related to the coastal area where the farm is situated, (iii) the regiona...
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pub_type： 杂志文章,评审
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更新日期：2005-08-01 00:00:00
abstract：:Runoff and sewage discharge from land developments can cause significant changes in water quality of coastal waters, resulting in coral degradation. Coastal waters around Phuket, Thailand are influenced by numerous sewage outfalls associated with rapid tourism development. Water quality and biological monitoring aroun...
journal_title：Marine environmental research
pub_type： 杂志文章
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更新日期：2010-06-01 00:00:00
