tinroИзвестия ТИНРОIzvestiya TINRO1606-99192658-5510ТИНРО10.26428/1606-9919-2017-189-147-155tinro-190Research ArticleУСЛОВИЯ ОБИТАНИЯ ПРОМЫСЛОВЫХ ОБЪЕКТОВENVIRONMENTS OF FISHERIES RESOURCESМикроэлементы (As, Cd, Pb, Fe, Cu, Zn, Se, Hg) в промысловых ракообразных Японского моряMicroelements (As, Cd, Pb, Fe, Cu, Zn, Se, Hg) in commercial crustaceans in the Japan SeaНаревичИрина СергеевнаNarevichIrina S.Irishka.k.89@mail.ruКовековдоваЛидия ТихоновнаKovekovdovaLidia T.Kovekovdova@mail.ruТихоокеанский научно-исследовательский рыбохозяйственный центрRussian Federation2017300620171892147155Copyright © Наревич И.С., Ковековдова Л.Т., 20172017Наревич И.С., Ковековдова Л.Т.Narevich I.S., Kovekovdova L.T.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://izvestiya.tinro-center.ru/jour/article/view/190

Определены уровни концентраций элементов в промысловых ракообразных Chionoecetes opilio, Paralithodes camtschaticus, Pandalus borealis, P. hypsinotus, Sclerocrangon salebrosa из Японского моря. Расположение элементов в мягких тканях ракообразных в порядке убывания концентраций имеет следующий вид: Zn > Fe > As > Cu > Se > Cd ~ ~ Pb ~ Hg. Выделены особенности микроэлементного состава исследованных организмов. Отмечен повышенный уровень содержания меди в тканях ракообразных, что обусловлено ролью меди в процессах тканевого дыхания и формировании экзоскелета. Показано сходство микроэлементного состава мышечных тканей креветок и крабов. Выявлено превышение предельно допустимых уровней As в 17,5 % проанализированных особей P. borealis , в 33,3 % - P. hypsinotus , в 17,0 % - C. opilio , в 68,0 % - P. camtschaticus , в 35,5 % - S. salebrosa.

Concentrations of As, Cd, Pb, Hg, Se, Fe, Cu, and Zn in tissues of the commercial crabs and shrimps Chionoecetes opilio, Paralithodes camtschaticus, Pandalus borealis, Pandalus hypsinotus , and Sclerocrangon salebrosa from Primorye waters are determined. The samples were collected by research vessels of Pacific Fish. Res. Center (TINRO) in 2012-2016. Content of metals and arsenic in the soft tissues (from claws and phalanxes of crabs and abdomen of shrimps) was determined by atomic absorption analysis (fiery and flameless methods), using Shimadzu AA-6800 spectrophotometer and mercury analyzer DMA-80 Milestone. As, Cd and Pb concentrations were measured by electrothermal method, with graphite cuvette as an atomizer; Fe, Cu and Zn concentrations were measured in the acetylene/air flame, with single-slot burner as an atomizer and background correction by a deuterium lamp. The standard solutions of the metals were used for calibration. Generally, the microelement composition in soft tissues of all shrimp and crab species is similar. For all species, concentrations of the elements in the soft tissues decrease in the order: Zn > Fe > As > Cu > Se > Cd ~ Pb ~ Hg. All samples are distinguished by heightened concentration of Cu. The following ranges of the toxic metals concentration are observed (mg per kg of wet weight): Pandalus borealis As - 1.6-8.5; Cd - 0.03-0.15; Pb - 0.01-0.02; Pandalus hipsinotus As - 2.78-14.6; Cd - 0.01-0.13; Pb - 0.00-0.01; Sclerocrangon salebrosa As - 5.4-17.3; Cd - 0.01-0.04; Pb - 0.01-0.03; Chionoecetes opilio As - 9.4-14.0; Cd - 0.01-0.05; Pb - 0.01-0.05; Paralithodes camtschaticus As - 3.0-8.8; Cd - 0.0008-0.10; Pb - 0.001-0.009. Cases of exceeding the maximum permissible level of As are detected for all species: in 68.0 % of samples for Paralithodes camtschaticus , in 35.0 % of samples for Sclerocrangon salebrosa , in 33.3 % of samples for Panadalus hipsinotus , in 17.5 % of samples for Panadalis borealis , and in 17.0 % of samples for Chionoecetes opilio .

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The authors declare that there are no conflicts of interest present.