Ragweed pollen: The aeroallergen is spreading in Italy

Mandrioli, Paolo; Cecco, Mirella Di; Andina, Giulia

doi:10.1007/bf02694590

Cited by 44 publications

(33 citation statements)

References 7 publications

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“…This tendency towards increasing pollen concentrations of these taxa have been reported in Neuchaˆtel, Switzerland (Clot, 2003), for Ambrosia in North Italy (Mandrioli et al, 1998a), Vienna, Austria (Ja¨ger, 2000) and Prague, Czech Republic (Rybnicˇek et al, 2000). However, in contrast, in Delhi, India, a decrease in the concentration of ragweed pollen has been noted (Singh et al, 2003).…”

Section: Discussionmentioning

confidence: 72%

“…Up until the late 1960s ragweed had been believed to occur sparsely in Europe and, consequently, it had not been considered to be a source of serious allergenic threat. In recent years, however, ragweed has appeared throughout Europe in hitherto unknown localities, and the number of people allergic to the allergens of this plant is gradually increasing (Ja¨ger, 1991;Rich, 1994;Mandrioli et al, 1998a). Ragweed pollen is not uniformly dispersed throughout Europe: it is abundant in Hungary, Ukraine and North Italy and less frequent in France, the Balkan Peninsula, Switzerland, Austria, Slovakia and the Czech Republic (Ja¨ger, 1991;Yankowa et al, 1996;Ja¨ger and Litschauer, 1998;Mandrioli et al, 1998a;Ja´rai-Kamlo´di, 2000).…”

Section: Introductionmentioning

confidence: 99%

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Ragweed and mugwort pollen in Szczecin, Poland

Puc

2006

Aerobiologia

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Ragweed (genus Ambrosia) and mugwort (Artemisia vulgaris) pollen grains are known to be very potent aeroallergens, often noted to enter into cross reactions. The aim of the study was to analyse ragweed and mugwort pollen release in Szczecin (western Poland) during the period 2000-2003. Measurements were performed by the volumetric and gravimetric method. Pollen seasons were defined as the periods of 90% of the total catch. Of the 4 years studied, the lowest concentration of ragweed pollen was observed in 2000. In 2000, the annual ragweed pollen count was very high, threefold higher than in 2001. There was a high Ambrosia pollen count in 2003, with the highest daily value of 84 grains/m 3 . The mugwort pollen season started in the third 10-day period of July and lasted to the end of August in all of the years studied. Analysis of pollen deposition from different Szczecin cityÕs districts showed that the highest exposure to ragweed pollen allergens occurred in the Majowe district, which is related to the presence of numerous plants of Ambrosia in that district. The mugwort pollen deposition was more abundant in the _ Zelechowa district, which is an area with villas and gardens. Statistically significant correlations were found between the ragweed pollen count in the air and the maximum wind speed, air temperature and relative humidity and between the mugwort pollen count in the air and air temperature and relative humidity.

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Section: Discussionmentioning

confidence: 72%

Section: Introductionmentioning

confidence: 99%

Ragweed and mugwort pollen in Szczecin, Poland

Puc

2006

Aerobiologia

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“…By the end of the twentieth century ragweed had spread north all over Poland (Kasprzyk 2008;Stepalska et al 2008), reaching the northernmost point of Szczecin near the Baltic Sea (Puc 2006). However, the three main regions further south in Europe currently affected by Ambrosia are the Carpathian Basin (Chrenová et al 2009;Ianovici and Sîrbu 2007;Peternel et al 2006;Šikoparija et al 2009;Štefanič et al 2005), with peak values in Hungary (Makra et al 2004(Makra et al , 2005(Makra et al , 2008, the Rhône-Alpes region (Laaidi et al 2003) in France and the western part of the Po River Plain, mostly in the northwest part of the province of Milan (Bottero et al 1990;Mandrioli et al 1998). Bottero et al (1990) first reported the spread and pollinosis of ragweed over this area of Lombardy.…”

Section: Introductionmentioning

confidence: 93%

Forecasting ragweed pollen characteristics with nonparametric regression methods over the most polluted areas in Europe

et al. 2010

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Nonparametric time-varying regression methods were developed to forecast daily ragweed pollen concentration, and the probability of the exceedance of a given concentration threshold 1 day ahead. Five-day and 10-day predictions of the start and end of the pollen season were also addressed with a nonparametric regression technique combining regression analysis with the method of temperature sum. Our methods were applied to three of the most polluted regions in Europe, namely Lyon (Rhône Valley, France), Legnano (Po River Plain, Italy) and Szeged (Great Plain, Hungary). For a 1-day prediction of both the daily pollen concentration and daily threshold exceedance, the order of these cities from the smallest to largest prediction errors was Legnano, Lyon, Szeged and Legnano, Szeged, Lyon, respectively. The most important predictor for each location was the pollen concentration of previous days. The second main predictor was precipitation for Lyon, and temperature for Legnano and Szeged. Wind speed should be considered for daily concentration at Legnano, and for daily pollen threshold exceedances at Lyon and Szeged. Prediction capabilities compared to the annual cycles for the start and end of the pollen season decreased from west to east. The order of the cities from the lowest to largest errors for the end of the pollen season was Lyon, Legnano, Szeged for both the 5- and 10-day predictions, while for the start of the pollen season the order was Legnano, Lyon, Szeged for 5-day predictions, and Legnano, Szeged, Lyon for 10-day predictions.

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“…Similarly to many European countries (Carosso & Gallesio, 2000;Dahl, Strandhede, & Wihl, 1999;Jäger, 2000;Járai-Komlódi, 2000;Mandrioli, Di Cecco, & Andina, 1998;Peeters, 2000;Rybniček, Novotná, Rybničkova, & Rybniček, 2000;Saar et al, 2000;Yankova, Zlatev, Baltadjieva, Mustakov, Mustakov, 2000), pollen of Ambrosia genus has been recorded in aeroplankton of various regions in Poland.…”

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confidence: 94%

Ambrosia pollen in the air of Lublin, Poland

Piotrowska¹,

Weryszko-Chmielewska²

2006

Aerobiologia

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Studies on Ambrosia pollen concentrations were carried out in Lublin in the period [1995][1996][1997][1998][1999][2000][2001][2002][2003][2004]. The effects of a number of meteorological factors were analysed. In the first period of the study, the gravimetric method was used (1995)(1996)(1997)(1998)(1999), while in the second period, the volumetric method was applied. The results show an increasing trend in the amount of airborne pollen. The Ambrosia pollen season in Lublin lasts from August to October. Over a period of 5 years, the highest number of pollen grains was recorded in September (53%), followed by August (44%) and October (3%). There were wide variations in annual totals. The annual total pollen counts was 167-1180 grains, with the peak value in 2002. Maximum daily pollen concentrations (56-312 pollen grains m )3 ) were recorded in the first half of August and in the first half of September. On the days when high Ambrosia pollen concentrations occurred, the temperature was above 21°C and the winds were mainly from the southeast, south and east. Maximum intradiurnal concentrations of pollen grains occurred in the afternoon hours. These results indicate, to some degree, that Ambrosia pollen is transported for long distances before descent.

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Ragweed pollen: The aeroallergen is spreading in Italy

Cited by 44 publications

References 7 publications

Ragweed and mugwort pollen in Szczecin, Poland

Ragweed and mugwort pollen in Szczecin, Poland

Forecasting ragweed pollen characteristics with nonparametric regression methods over the most polluted areas in Europe

Ambrosia pollen in the air of Lublin, Poland

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