DISTRIBUTION OF SOME DOMINANT BACTERIA IN ALEXANDRIA EASTERN HARBOUR THAT CAN BE USED AS MARINE CONTAMINANT INDICATORS

DISTRIBUTION OF SOME DOMINANT BACTERIA IN ALEXANDRIA

EASTERN HARBOUR THAT CAN BE USED AS MARINE

CONTAMINANT INDICATORS

By
MANAL, M A. EL-.NAGGAR* , EL-MASRY**, M H. AND
EL-SHENNA WY*, M. A.
* National Institute 0/Oceanography and Fisheries, Academy 0/ SCientific Research, Alexandria, Egypt.
** Institute o/Graduate Studies and Research, University 0/ Alexandria, Alexandria, Egypt.
Key words: Marine, Indicator, Bacteria, Pathogens, Contamination, Distribution.
ABSTRACT
The population distribution ofthe fecal coliform bacteria (Escherichia
coli, Streptococcus sp., Staphylococcus aureus, Staph. epidermidis and
Enterobacter aerogenes) in the Eastern Harbour ofAlexandria (EHA) as
well
analyzed
2001
as
were
the
in
studied.
most
order
abundant
to
Bacterial
verify
bacterial
the
counts
correlation
group
were
between
(Bacillus
determined
these
spp.)
and
isolates,
dUring
statistically
and
2000­
to
establish which isolate can be used as a bio-indicator for microbial
pollution. The results indicated that the most contaminated seasons were
winter (159 cft 1m!) and autumn (155 cft Iml), while the most
contaminated site was location (11) (171 cjUlml). The mean counts ofthe
tested bacteria showed high Significant differences (P