Hydrogen Sulfide Contamination of Coastal Lakes at Different Stages of Isolation from the White Sea

被引:8
作者
Losyuk, G. N. [1 ]
Kokryatskaya, N. M. [1 ]
Krasnova, E. D. [2 ]
机构
[1] Russian Acad Sci, Ural Branch, Laverov Fed Ctr Integrated Arctic Res, Arkhangelsk, Russia
[2] Moscow MV Lomonosov State Univ, Pertsov White Sea Biol Stn, Moscow, Russia
基金
俄罗斯基础研究基金会;
关键词
White Sea; isolation of waterbodies; anaerobic conditions; sulfate reduction; stratification; meromictic stage; hydrogen sulfide; PHOTOTROPHIC BACTERIAL COMMUNITY; KANDALAKSHA BAY; MEROMICTIC LAKE; REDUCED SULFUR; EVOLUTION; FJORD; ZONE;
D O I
10.1134/S0001437021020120
中图分类号
P7 [海洋学];
学科分类号
0707 ;
摘要
The results of studies of four coastal lakes with unique hydrological and hydrochemical structure at different stages of isolation from Kandalaksha Bay of the White Sea are reported for 2012-2019. All waterbodies are characterized by a permanent or seasonal stratified structure; as a result, bacterial sulfate reduction and hydrogen sulfide accumulation, toxic for aerobic life forms, become more active under anaerobic conditions. The highest amount of hydrogen sulfide was recorded in Lake Trekhtsvetnoe, which is at the meromictic stage of isolation.
引用
收藏
页码:351 / 361
页数:11
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