Bookcover of Evaluation of some pollutants in the atmosphere of Helwan - Cairo
Booktitle:

Evaluation of some pollutants in the atmosphere of Helwan - Cairo

Effect of Environmental factors on Bioaerosols of Helwan Area

LAP LAMBERT Academic Publishing (2012-04-23 )

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ISBN-13:

978-3-659-00150-5

ISBN-10:
3659001503
EAN:
9783659001505
Book language:
English
Blurb/Shorttext:
The composition of airborne bacteria and fungi at Helwan district were studied using slit sampler. The diurnal variations of airborne bacteria and fungi could be divided into four periods: 1)the morning maximum concentration (6am-10am), 2)midday to afternoon pattern (10am-4pm), 3)the evening concentration peak (6pm-8pm) and 4)the night time gradually decreased concentration (10pm-12am). Aspergillus, Penicillium, Alternaria and Cladosporium were the most predominant fungal genera in the air. Aspergillus showed double peak pattern, whileas, Penicillium, Alternaria and Cladosporium showed one peak pattern. The maximum peaks of total airborne fungi, bacteria, Penicillium and Cladosporium appeared at 8 pm. Positive correlations were found between airborne fungal concentration with relative humidity and sulfur dioxide. Negative correlations were observed between airborne fungi, Cladosporium and Penicillium with temperature. Nitrogen dioxide had negative effect on airborne bacteria, fungi, Aspergillus, Alternaria, and Cladosporium. Sulfur dioxide affected negatively on bacterial concentration, Alternaria and Cladosporium. Airborne microorganisms were positively correlated with dust.
Publishing house:
LAP LAMBERT Academic Publishing
Website:
https://www.lap-publishing.com/
By (author) :
Yuosra Saeed, Abdel Hameed Awad, Mohammed Osman
Number of pages:
168
Published at:
2012-04-23
Stock:
Available
Category:
Other
Price:
68.00 €
Keywords:
air pollution, Egypt, particulate matter, Urban Area, Sulfur dioxide, Nitrogen dioxide, Diurnal, correlations, Industrial area, Airborne bacteria, Airborne fungi, Monthly and Seasonal variations

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