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

被引：5
|
作者：
Sitnikova, T. Ya. [1 ]
Zemskaya, T. I. [1 ]
Chernitsyna, S. M. [1 ]
Likhoshway, A. V. [1 ]
Klimenkov, I. V. [1 ,2 ]
Naumova, T. V. [1 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Limnol Inst, Irkutsk 664033, Russia
[2] Irkutsk State Univ, Irkutsk 664003, Russia
来源：
RUSSIAN JOURNAL OF ECOLOGY | 2015年 / 46卷 / 03期
基金：
俄罗斯基础研究基金会;
关键词：
Lake Baikal; oil seeps; bitumen; microorganisms; nematodes; SEDIMENTARY ORGANIC-MATTER; AQUATIC NEMATODES; BACTERIA; SEEP; CHEMOSYNTHESIS; CONSTRUCTIONS; MACROBENTHOS; COMMUNITIES; DIVERSITY; BOTTOM;
D O I：
10.1134/S106741361503011X
中图分类号：
Q14 [生态学（生物生态学）];
学科分类号：
071012 ; 0713 ;
摘要：
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.
引用
收藏
页码：292 / 298
页数：7
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