Microbial processes of carbon cycle as the base of food chain of Hakon Mosby Mud Volcano benthic community

被引：50

作者：

Pimenov, N

Savvichev, A

Rusanov, I

Lein, A

Egorov, A

Gebruk, A

Moskalev, L

Vogt, P

机构：

[1] Russian Acad Sci, Inst Microbiol, Moscow 117811, Russia

[2] Russian Acad Sci, Inst Oceanol, Moscow 117218, Russia

[3] USN, Res Lab, Washington, DC 20375 USA

来源：

GEO-MARINE LETTERS | 1999年 / 19卷 / 1-2期

基金：

俄罗斯基础研究基金会;

关键词：

D O I：

10.1007/s003670050097

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Box and gravity cores recovered from the Hakon Mosby mud volcano (HMMV) during cruise 15 of the R/V Professor Logachev were analyzed for bacterial activity and benthic fauna distribution. The high bacterium number (up to 9.6 x 10(9) cells cm(-3) of the sediment) and marked rates of sulfate reduction (up to 0.155 mg S dm(-3) day(-1)) and methane oxidation (up to 9.9 mu g C dm(-3) day(-1)) were shown for the upper horizons of the sediments of the HMMV peripheral zone. The benthic community is characterized by the presence of two pogonophoran species, Oligobrachia sp. and Sclerolinum sp., harboring symbiotic methanotrophic bacteria.

引用

页码：89 / 96

页数：8

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