Effect of crude oil pollution on a freshwater stream in Nigeria

被引：0
作者：
Obire, O [1 ]
Okudo, IV [1 ]
机构：
[1] Rivers State Univ Sci & Technol, Dept Biol Sci, Port Harcourt, Nigeria
来源：
DISCOVERY AND INNOVATION | 1997年 / 9卷 / 1-2期
关键词：
crude oil; pollution; freshwater; Nigeria; bacteria;
D O I：
暂无
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Awo freshwater stream in Akure, Ondo State, which has no history of oil pollution, was examined to determine the effect of 5% crude oil pollution on dissolved oxygen, biochemical oxygen demand, and the microbial population Results showed that there were significant effects on each of the above parameters. The toxic effect of the crude oil on heterotrophic bacteria ranged from 50% to 93%. The relative abundance of hydrocarbon-utilizing to heterotrophic bacteria increased from 0.007% before the effect to 0.020% after the pollution. These results imply that the microbial community composition of the stream is altered by crude oil pollution.
引用
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页码：25 / 32
页数：8
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