The influence of meteorological factors on the dynamic of Ambrosia artemisiifolia pollen in an invaded area

Abstract

The aim of the present study was to analyse the effect of weather conditions on Ambrosia artemisiifolia airpollen concentrations in the highly invaded area of western Romania. The investigation of Ambrosia pollen concentrations was carried out from 2000 to 2010 by means of the volumetric method. Ambrosia pollen concentrations had increasing trend over study period. The results of cluster analysis show that two main groups were identified: group A, with lower SPI (2000, 2001, 2002, 2003, 2004, 2007) and group B, with much higher SPI (2006, 2008, 2009, 2010). The statistical correlation between pollen concentrations and meteorological factors was determined by Pearson’s test. The relationships between Ambrosia pollen concentrations and meteorological parameters, were further assessed using multiple linear regression techniques. The pollen emissions are affected by meteorological factors in the main pollen season. Our results suggest that the abundance of Ambrosia artemisiifolia in western Romania is massive. The Ambrosia pollen load of Timisoara is most important between 15 August – 15 September. Consequently, this is the most dangerous period of the year for allergic reactions. The investigation of Ambrosia pollen behavior in the atmosphere is a compulsory step for measures to stop the spread and establishing control. Ambrosia pollen represents a major health problem and can be considered the main aeroallergenic plant pollen in our region.

Oak and hornbeam pollen season in Kielce in 2021

“…Literature data show a significant impact of meteorological factors on the intensity of plant pollen release [24][25][26][27]. The present study demonstrated that not all meteorological factors exerted a significant effect on the pollen seasons of the analyzed plant taxa.…”

“…The study conducted in Kielce in 2021 showed that, although the annual sum and maximum concentrations of hornbeam pollen grains were not high, the pollen season of this plant was substantially longer than in other regions of Poland in previous years [11]. As reported by Ianovici and Bîrsan [25], the concentration of airborne pollen grains may increase with increasing temperature. Hence, the impact of the maximum, minimum, and mean temperature on the oak and hornbeam pollen concentration in the air was analyzed in the present study.…”

Biologic Pollution Due to Ambrosia (Ragweed) Pollen in Urban Environment of Bucharest

“…Interesting data referring to the correlation between pollen concentration and meteorological parameters from the Western region of Romania were presented in another recent local study, showing that Ambrosia pollen concentrations was positively associated with high temperature and sunshine hours and inversely associated with relative humidity [ 37 ].…”

Comparison of Ambrosia L. Pollen Seasons in Lublin (Poland) and Ivano-Frankivsk (Ukraine) and Presentation of the Morphotypes of Trichomes on A. artemisiifolia L. Shoots in Terms of the Allergenic Properties of the Plant

“…In turn, the research carried out by Rodinkova et al [59] indicates that an elevated mean daily temperature accelerates the start of the Ambrosia pollen season. Ianovici and Birsan [66] reported a significant negative correlation of Ambrosia pollen concentrations with relative humidity. The results presented by Šaulienė and Veriankaitė [67] indicate that the presence of airborne Ambrosia pollen in Lithuania was accompanied by approximately 70% relative air humidity and the minimum air temperature not less than 12 • C. In turn, it has been found that droughts may also significantly decrease Ambrosia pollen season, as reported from Ukraine by Rodinkova et al [59].…”