137Cs and 40K in gray seals Halichoerus grypus in the southern Baltic Sea

被引：1
作者：
Saniewski, Michal [1 ]
Zalewska, Tamara [1 ]
Suplinska, Maria [2 ]
Falkowska, Lucyna [3 ]
Grajewska, Agnieszka [3 ]
Nehring, Iga [3 ]
Saniewska, Dominika [3 ]
Staniszewska, Marta [3 ]
Pawliczka, Iwona [3 ]
机构：
[1] Natl Res Inst, Inst Meteorol & Water Management, Waszyngtona 42, PL-81342 Gdynia, Poland
[2] Cent Lab Radiol Protect, Konwaliowa 7, PL-03194 Warsaw, Poland
[3] Univ Gdansk, Inst Oceanog, Al Marszalka Pilsudskiego 46, PL-81378 Gdynia, Poland
来源：
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH | 2019年 / 26卷 / 17期
关键词：
Radionuclides; Gray seals; Baltic Sea; MARINE MAMMALS; RADIONUCLIDES; RADIOCESIUM; (CS)-C-137; SR-90;
D O I：
10.1007/s11356-019-05145-7
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This study presents levels of Cs-137 and K-40 concentrations in the placentas of seals gathered in the period 2007-2015. The mean activity of Cs-137 and K-40 was 5.49Bqkg(-1)w.w. and 136.6Bqkg(-1) ww respectively. Statistically significant correlation was observed between the Cs-137 activities in placenta and in herringthe staple food for seals. The concentrations of Cs-137 and K-40 were also determined in other tissues (muscle, liver, lung, and brain) of wild seals. The concentrations of Cs-137 were from 2.59Bq(-1) ww (lungs) to 24.3Bqkg(-1) ww (muscles). The transfer factor values for Cs-137 (seal tissue/fish) ranged from 0.89 to 2.42 in the case of the placentas and from 1.35 to 8.17 in the case of the muscle. For adults seal, the effective dose from Cs-137 was 2.98nGyh(-1). The mean external radiation dose to pup was 0.77nGyh(-1) from Cs-137 and 6.69nGyh(-1) from K-40.
引用
收藏
页码：17418 / 17426
页数：9
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