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  • Title: [Community structure and time-space distribution characteristic of airborne fungi in a municipal landfill site].
    Author: Zhang J, Xia LJ, Du WL, Wang JA, Zhang CR, Ji SS, Yu B.
    Journal: Huan Jing Ke Xue; 2009 Nov; 30(11):3184-9. PubMed ID: 20063727.
    Abstract:
    In order to determine the community structure and time-space distribution characteristics of airborne fungi in waste landfill sites, supervisory points were set in sanitary landfill area, leachate treatment area and living area in a Waste Sanitary Landfill Site in Beijing. Airborne fungi were collected by Andersen six stages sampler, and the study on the community structure and distribution of airborne fungi was carried out systematically. The results show that fifteen genera of culturable fungi are identified (exclusion Non-sporing), Cladosporium, Aspergillus, Penicillium and Non-sporing are the dominant genera. The concentration of airborne fungi in sanitary landfill area and leachate treatment area are about 1750 CFU x m(-3), which is higher than that in living area (p < 0.05). Monthly change curve of the airborne fungi concentration shows double peak type, the peak value appears in May and September-October, which can reach at 5 000 CFU x m(-3). It indicates a trend that the concentration is higher at 09:00-11:00 than that at 15:00-16:00 from April to July, but it performs reserved trend from August to the next January. 75% of the airborne fungi distributes in stage III - V. The counted median diameters (CMD) of airborne fungi in three functional areas are 2.9 microm, 2.9 microm and 2.8 microm respectively, there are no statistical difference (p > 0.05).
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