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Airborne Bio-particulate Objects at Chittagong University Campus

MK Pasha
Department of Botany, University of Chittagong, Chittagong-4331, Bangladesh

Mohammad Sohrab Hossain
Gachhbaria Govt. College, Chandanaish, Chittagong, Bangladesh.

Abstract/ Executive Summary:

Survey of airborne bio-particulate objects was carried out at the Chittagong University Campus during October, 2006 to September, 2007. A total of 1,451 such airborne objects were encountered consisting of plant parts and non-plant parts. Flower parts made the highest contribution, followed by dermal appendages, filamentous objects, fungal spores, plant tissues and insect appendages. Maximum concentration of airborne bio-particulate objects were observed in the month of June and minimum in November.

Keywords: Airborne particulate objects, Plant parts, Insect appendages, Chittagong University Campus

Location: Department of Botany, University of Chittagong, Chittagong

Start Date: 00-10-2006

End Date: 00-09-2007

Program Area: Knowledge Management

Non-commodity: Impact

Objectives:

To find out variation of airborne bio-particulate objects at Chittagong university campus throughout the year.

Methodology:

The early attempts related to aerobiology included aeropalynological research work in Bangladesh, from Chittagong. This is the first attempt to trap and identify the airborne bio-particulate objects other than spore in the Chittagong University Campus (22º24′′ N and 91º50′′ E). This airborne bio-particulate matters survey was carried out by using Gregory’s sampler method. The sampler was grouped under the impaction type using wind movement by vertical and inclined microscope slide. From October, 2006 to September, 2007 two slides, smeared with glycerine jelly were placed in sampler at 10 m height roof from the ground level. With an interval of every 24 hours, the slides were collected from the trap and covered with 18 × 18 mm cover glass. The covered areas were examined under microscope instantly or within a few days afterwards.

Source of Information: Bangladesh J. Bot. 40(2): 189-191, 2011 (December)

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The highest monthly incidence of airborne bioparticulate objects/fragments was observed in the month of June, followed by August, March and February. The lowest incidence occurred in the month of November, followed by October and December. When synoptic seasons were considered, then it was observed that the pre-monsoon period was the dominant season for the frequent occurrence than monsoon, and least in winter or dry season.

Knowledge Management: Journal