Sulfur in the marine environment

被引:11
|
作者
Jasinska, Anita [1 ]
Burska, Dorota [1 ]
Bolalek, Jerzy [1 ]
机构
[1] Univ Gdansk, Inst Oceanog, PL-81378 Gdynia, Poland
关键词
sulfur; hydrogen sulfide; AVS; marine sulfur cycle; decomposition of organic matter; SULFATE-REDUCING BACTERIA; SEDIMENTARY PYRITE FORMATION; ACID VOLATILE SULFIDE; CARBONYL SULFIDE; ESTUARINE SEDIMENTS; HYDROGEN-SULFIDE; ORGANIC-CARBON; PHOTOCHEMICAL PRODUCTION; ISOTOPE FRACTIONATION; IRON;
D O I
10.2478/s13545-012-0019-x
中图分类号
Q17 [水生生物学];
学科分类号
071004 ;
摘要
Sulfur is an element commonly occurring in the environment. It is present in the atmosphere, in the hydrosphere, and in live organisms; it is one of the most important physicochemical and geological indicators. Depending on the natural conditions, sulfur compounds in the environment may play the role of electron acceptor or donor in the redox processes. These compounds influence the ion concentration and ion balance in benthic sediments. They also determine the speciation, bioavailability and toxicity of heavy metals. Comprehensive knowledge of the processes mediated by sulfur can be a valuable source of information about the past and present state of the ecosystem.
引用
收藏
页码:72 / 82
页数:11
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