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Contamination status and accumulation profiles of organotins in sea otters (Enhydra lutris) found dead along the coasts of California, Washington, Alaska (USA), and Kamchatka (Russia).

https://arctichealth.org/en/permalink/ahliterature86043
Source
Mar Pollut Bull. 2008 Apr;56(4):641-9
Publication Type
Article
Date
Apr-2008
Author
Murata Satoko
Takahashi Shin
Agusa Tetsuro
Thomas Nancy J
Kannan Kurunthachalam
Tanabe Shinsuke
Author Affiliation
Center for Marine Environmental Studies, Ehime University, Matsuyama 790-8577, Japan.
Source
Mar Pollut Bull. 2008 Apr;56(4):641-9
Date
Apr-2008
Language
English
Publication Type
Article
Keywords
Alaska
Animals
California
Communicable diseases
Environmental Exposure
Liver - chemistry
Organotin Compounds - analysis - metabolism
Otters - metabolism
Risk assessment
Russia
Time Factors
Washington
Water Pollutants, Chemical - analysis - metabolism
Abstract
Organotin compounds (OTs) including mono- to tri-butyltins, -phenyltins, and -octyltins were determined in the liver of adult sea otters (Enhydra lutris) found dead along the coasts of California, Washington, and Alaska in the USA and Kamchatka, Russia. Total concentrations of OTs in sea otters from California ranged from 34 to 4100ng/g on a wet weight basis. The order of concentrations of OTs in sea otters was total butyltins>total octyltins> or = total phenyltins. Elevated concentrations of butyltins (BTs) were found in some otters classified under 'infectious-disease' mortality category. Concentrations of BTs in few of these otters were close to or above the threshold levels for adverse health effects. Total butyltin concentrations decreased significantly in the livers of California sea otters since the 1990s. Based on the concentrations of organotins in sea otters collected from 1992 to 2002, the half-lives of tributyltin and total butyltins in sea otters were estimated to be approximately three years.
PubMed ID
18304586 View in PubMed
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