Structure of biocenoses formed on bitumen mounds in the abyssal zone of Lake Baikal

Structure of biocenoses formed on bitumen mounds in the abyssal zone of Lake Baikal For the first time, a study has been performed on specific small biocenoses of bitumen mounds formed in the region of natural oil seeps in the abyssal zone of Lake Baikal. These biocenoses consist of diatom detritus populated by archaea, bacteria, aquatic fungi, nematodes, and ostracods. Fungi and bacteria decompose petroleum hydrocarbons, thereby contributing to biodegradation of crude oil. Microorganisms together with planktonic diatoms settling onto bitumen form a substrate for invertebrates. It is hypothesized that the cohabitation of three distinctive nematode species (Eutobrilus mirandus, Monhystera naphthera, and Eumonhystera abyssalis) in the same bitumen biocenosis is possible due to their different feeding strategies and the presence of bacterial symbionts. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Ecology Springer Journals

Structure of biocenoses formed on bitumen mounds in the abyssal zone of Lake Baikal

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Publisher
Pleiades Publishing
Copyright
Copyright © 2015 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Ecology; Environment, general
ISSN
1067-4136
eISSN
1608-3334
D.O.I.
10.1134/S106741361503011X
Publisher site
See Article on Publisher Site

Abstract

For the first time, a study has been performed on specific small biocenoses of bitumen mounds formed in the region of natural oil seeps in the abyssal zone of Lake Baikal. These biocenoses consist of diatom detritus populated by archaea, bacteria, aquatic fungi, nematodes, and ostracods. Fungi and bacteria decompose petroleum hydrocarbons, thereby contributing to biodegradation of crude oil. Microorganisms together with planktonic diatoms settling onto bitumen form a substrate for invertebrates. It is hypothesized that the cohabitation of three distinctive nematode species (Eutobrilus mirandus, Monhystera naphthera, and Eumonhystera abyssalis) in the same bitumen biocenosis is possible due to their different feeding strategies and the presence of bacterial symbionts.

Journal

Russian Journal of EcologySpringer Journals

Published: May 28, 2015

References

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