Influence of bioturbation on denitrification activity in Mediterranean coastal sediments: an in situ experimental approach

被引：71

作者：

Gilbert, F ^{[1
]}

Stora, G ^{[1
]}

Bonin, P ^{[1
]}

机构：

[1] Univ Mediterranee, UMR CNRS 6535, Ctr Oceanol Marseille, Lab Oceanog & Biogeochim, F-13288 Marseille 9, France

来源：

MARINE ECOLOGY PROGRESS SERIES | 1998年 / 163卷

关键词：

bioturbation; denitrification; in situ experiment; Mediterranean Sea;

D O I：

10.3354/meps163099

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

An in situ experiment was conducted in the French Mediterranean littoral (Gulf of Fos) from July 1993 to January 1994 using controls without macrofauna or natural sediments. After 1, 4 and 6 mo, sediment reworking and denitrification activities (natural and potential rates) were studied. The bacterial processes were stimulated by the bioturbating activity of the autochthonous infauna. The natural and potential denitrification rates were 160 and 280 % higher, respectively, than in the controls. The increase of denitrification, occurring at different depths in the sediment with respect to time, was directly dependent on the macrofaunal activity.

引用

页码：99 / 107

页数：9

共 30 条

[1] COMPARATIVE BIOGEOCHEMISTRY OF WATER IN INTERTIDAL ONUPHIS (POLYCHAETA) AND UPOGEBIA (CRUSTACEA) BURROWS - TEMPORAL PATTERNS AND CAUSES [J].