The first case of anoxia in waters of the Far East Marine Biosphere Reserve

被引：9

作者：

Stunzhas, P. A. ^{[1
]}

Tishchenko, P. Ya. ^{[2
]}

Ivin, V. V. ^{[3
]}

Barabanshchikov, Yu. A. ^{[2
]}

Volkova, T. I. ^{[2
]}

Vyshkvartsev, D. I. ^{[3
]}

Zvalinskii, V. I. ^{[2
]}

Mikhailik, T. A. ^{[2
]}

Semkin, P. Ju. ^{[2
]}

Tishchenko, P. P. ^{[2
]}

Khodorenko, N. D. ^{[2
]}

Shvetsova, M. G. ^{[2
]}

Golovchenko, F. M. ^{[4
]}

机构：

[1] Russian Acad Sci, PP Shirshov Oceanol Inst, Nakhimovskii Pr 36, Moscow 117997, Russia

[2] Russian Acad Sci, Ilichev Pacific Oceanol Inst, Far East Branch, Ul Baltiiskaya 43, Vladivostok 690041, Russia

[3] Russian Acad Sci, Zhirmunskii Inst Marine Biol, Far East Branch, Ul Palchevskogo 17, Vladivostok 690041, Russia

[4] Moscow MV Lomonosov State Univ, Moscow 119991, Russia

来源：

DOKLADY EARTH SCIENCES | 2016年 / 467卷 / 01期

基金：

俄罗斯基础研究基金会;

关键词：

BLACK-SEA;

D O I：

10.1134/S1028334X16030144

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

In August 2013, anoxia of the bottom waters was established in the southern region of the Far East Marine Biosphere Reserve, Far East Branch, Russian Academy of Science, in the depression between Furugelm Island and coastal waters. Death of the benthic community was registered using a remotely operated underwater vehicle. The hydrochemical studies revealed that the area of the absence and/or presence of low oxygen contents corresponds to an area of anomalously high contents of ammonium, phosphates, and silicates, a high partial pressure of carbon dioxide and normalized alkalinity, and the presence of hydrogen sulfide. The microbiological decomposition of diatoms precipitated on the seafloor in the absence of oxygen regeneration was the reason for anoxia. Its formation in summer of 2013 was caused by anomalously abundant precipitates in the Far East.

引用

页码：295 / 298

页数：4

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