BACTERIOLOGICAL AND PHYSICOCHEMICAL WATER QUALITY OF FOUR PONDS OF DHAKA METROPOLIS

被引：0
|
作者：
Saha, Mihir Lal [1 ]
Nessa, Meherun [1 ]
Khan, Mahbubar Rahman [1 ]
Islam, Mohammad Nurul [1 ]
Hoque, Sirajul [1 ]
机构：
[1] Univ Dhaka, Dept Bot, Dhaka 1000, Bangladesh
来源：
BANGLADESH JOURNAL OF BOTANY | 2012年 / 41卷 / 01期
关键词：
Bacteria; Pond water; Fecal pollution; Multi drug resistance; LAKE;
D O I：
暂无
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
The aerobic heterotrophic bacterial count of four pond water samples ranged between 6.92x10(4) and 1.72x10(6)cfu/100 ml. The highest count (1.72x10(6)cfu/100 ml) was recorded in Zahurul Haq Hall pond water. Enteric bacterial count was found in between 1.69x10(4) and 3.31x10(5) cfu/100ml in water samples. A total of 79 isolates were obtained of which 24 were randomly selected for further study. Among them Bacillus, Micrococcus and Planococcus were Gram-positive, while Escherichia, Enterobacter and Klebsiella were Gram-negative. Physicochemical parameters of the ponds satisfied water quality standards except NH4+-N. Among the ponds. CODCr and BOD5 values of the water samples were 18.29-19.75 mg/l and 3.18-6.05 mg/l. respectively. Most of the Gram negative bacteria were found to be multi drug resistant.
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页码：55 / 60
页数：6
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