Airborne Pinus pollen in the atmosphere of Brisbane, Australia and relationships with meteorological parameters

Green, B., Yli-Panula, E., Dettmann, M., Rutherford, S. and Simpson, R. (2003) Airborne Pinus pollen in the atmosphere of Brisbane, Australia and relationships with meteorological parameters. Aerobiologia, 19 1: 47-55.


Author Green, B.
Yli-Panula, E.
Dettmann, M.
Rutherford, S.
Simpson, R.
Title Airborne Pinus pollen in the atmosphere of Brisbane, Australia and relationships with meteorological parameters
Journal name Aerobiologia   Check publisher's open access policy
ISSN 0393-5965
Publication date 2003
DOI 10.1023/A:1022662726623
Volume 19
Issue 1
Start page 47
End page 55
Total pages 9
Place of publication Netherlands
Publisher Kluwer Academic Publishers
Collection year 2003
Language eng
Subject C1
279999 Biological Sciences not elsewhere classified
770501 Air quality
Abstract Relationships between weather parameters andairborne pollen loads of Pinus inBrisbane, Australia have been investigated overthe five-year period, June 1994–May 1999.Pinus pollen accounts for 4.5% of the annualairborne pollen load in Brisbane where thePinus season is confined to the winter months,July–early September. During the samplingperiod loads of 11–>100 grains m3 wererecorded on 24 days and 1–10 grains m3 on204 days. The onset and peak dates wereconsistent across each season, whereas the enddates varied. The onset of the Pinuspollen season coincided with the coolestaverage monthly temperatures (< 22°C),lowest rainfall (< 7mm), and four weeks afterdaily minimum temperatures fell to 5–9°Cin late autumn. Correlations obtained betweendaily airborne Pinus pollen counts andtemperature/rainfall parameters show thatdensities of airborne Pinus pollen arenegatively correlated with maximum temperature(p < 0.0001), minimum temperature (p < 0.0001)and rainfall (p < 0.05) during the mainpollination period. The mean duration of eachpollen season was 52 days; longer seasons wereshown to be directly related to lower averageseasonal maximum temperatures (r2 = 0.85,p = 0.025). These results signify that maximumand minimum temperatures are the majorparameters that influence the onset andduration of the Pinus pollen season inthe environs of Brisbane. Respiratory allergyis an important health issue in Brisbane,Australia, but it remains unknown whether ornot airborne Pinus pollen is acontributing factor.
Q-Index Code C1

 
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