Biogeographical drivers of ragweed pollen concentrations in Europe

Matyasovszky, István; Makra, László; Tusnády, Gábor; Csépe, Zoltán; Nyúl, László G.; Chapman, Daniel S.; Sümeghy, Zoltán; Szűcs, Gábor; Páldy, Anna; Magyar, Donát; Mányoki, Gergely; Erostyák, János; Bodnár, Károly; Bergmann, Karl‐Christian; Deák, Áron József; Thibaudon, M.; Albertini, Roberto; Bonini, Maira; Šikoparija, Branko; Radišić, Predrag; Gehrig, Regula; Rybníček, Ondřej; Severova, Elena; Rodinkova, Victoria; Prikhodko, Alexander; Maleeva, Anna; Stjepanović, Barbara; Ianovici, Nıcoleta; Berger, Uwe; Seliger, Andreja Kofol; Weryszko-Chmielewska, Elżbieta; Šaulienė, Ingrida; Shalaboda, Valentina; Yankova, Raina; Peternel, Renata; Ščevková, Jana; Bullock, James M.

doi:10.1007/s00704-017-2184-8

Cited by 15 publications

(15 citation statements)

References 49 publications

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“…Each ragweed plant produces over one billion pollen grains (Fumanal et al, 2007) which are highly allergenic (Smith et al, 2013). The concentration of ragweed pollen in the atmosphere varies considerably across Europe, from a total absence up to an annual count of over 25000 pollen grains/m 3 /year (Matyasovszky et al, 2018). The ragweed sensitisation rate (the proportion of people developing an allergic reaction to a substance via a skin prick test) is above 2% in all European countries (Burbach et al, 2009), with rates varying from 50-60% in Hungary (Burbach et al, 2009), to 14-20% in Germany (Ruëff et al, 2012) and less than 3% in France, Spain, Italy, Sweden and the UK (Bousquet et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

Ragweed pollen and allergic symptoms in children: Results from a three-year longitudinal study

Jones

Agnew

Banić

et al. 2019

Science of The Total Environment

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Common Ragweed is a highly allergenic invasive species in Europe, expected to become widespread under climate change. Allergy to ragweed manifests as eye, nasal and lung symptoms, and children may retain these throughout life. The dose-response relationship between symptoms and pollen concentrations is unclear. We undertook a longitudinal study, assessing the association between ragweed pollen concentration and allergic eye, nasal and lung symptoms in children living under a range of ragweed pollen concentrations in Croatia. Over three years, 85 children completed daily diaries, detailing allergic symptoms alongside daily location, activities and medication, resulting in 10,130 individual daily entries. The daily ragweed pollen concentration for the children's locations was obtained, alongside daily weather and air pollution. Parents completed a home/lifestyle/medical questionnaire. Generalised Additive Mixed Models established the relationship between pollen concentrations and symptoms, alongside other covariates. Eye symptoms were associated with mean daily pollen concentration over four days (day of symptoms plus 3 previous days); 61 grains/m 3 /day (95%CI:45,100) was the threshold at which 50% of children reported symptoms. Nasal symptoms were associated with mean daily pollen concentration over 12 days (day of symptoms plus 11 previous days); the threshold for 50% of children reporting symptoms was 40 grains/m 3 /day (95%CI:24,87). Lung symptoms showed a relationship with mean daily pollen concentration over 19 days (day of symptoms plus 18 previous days), with a threshold of 71 grains/m 3 /day (95%CI:59,88). Taking medication on the day of symptoms showed higher odds, suggesting responsive behaviour. Taking medication on the day prior to symptoms showed lower odds of reporting, indicating preventative behaviour. Different symptoms in children demonstrate varying dose-response relationships with ragweed pollen concentrations. Each symptom type responded to pollen exposure over different time periods. Using medication prior to symptoms can reduce symptom presence. These findings can be used to better manage paediatric ragweed allergy symptoms. Highlights  The dose-response between ragweed concentrations and allergy symptoms is unclear  We used a longitudinal study to determine daily allergy symptoms in 85 children  Associations between daily symptoms and ragweed concentrations were examined  Generalised Additive Mixed Models (GAMM) were used for analysis  Symptom types showed different non-linear associations with ragweed concentration  Symptom types responded to pollen exposure over differing time periods

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Section: Introductionmentioning

confidence: 99%

Ragweed pollen and allergic symptoms in children: Results from a three-year longitudinal study

Jones

Agnew

Banić

et al. 2019

Science of The Total Environment

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“…Maps for the countries, showing the pollen load at different times of the season are scarce. The inventory maps are available at present for Europe mostly at continental scale [15,[18][19][20]38,45]. Available ragweed inventory mapping data for the USA is obsolete Fig.…”

Section: Discussionmentioning

confidence: 99%

“…The highest levels of airborne Ambrosia pollen in Europe are known to be recorded in France, Northern Italy, the Pannonian Plain, and Ukraine [14,15]. Mean values of atmospheric Ambrosia pollen tend to decrease away from these centers.…”

Section: Introductionmentioning

confidence: 98%

Modeling hay fever risk factors caused by pollen from Ambrosia spp. using pollen load mapping in Ukraine

et al. 2018

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The paper provides a simulation of the occurrence of Ambrosia pollen in Ukraine both in terms of a determination of the regions with high pollen concentrations and the time when the high pollen load occurs. Simulation was performed using the SILAM system and the following pollen mapping using the Grid Analysis and Display System. Simulation results were compared with the aerobiological data available from six monitoring stations in Ukraine. A decrease in the concentrations of Ambrosia pollen, the duration of the Ambrosia season, and patient exposure to the Ambrosia pollen were apparent from SE to NW of Ukraine. A close correlation between the modeled and actually registered pollen concentration values and ragweed pollen release periods was observed in all the cities for which the Ambrosia pollen monitoring data had been collected. Further investigations are required to provide accurate forecasts for other types of airborne allergens.

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“…Casual populations of common ragweed have been identified up to 1100 m a. s.l. in Europe (Essl et al, 2009), but practically no Ambrosia pollen is observed above 1000 m (Matyasovszky et al, 2018). Although it should be noted that Gentili et al (2017) observed the plant growing up to 1834 m a.s.l.…”

Section: Inventories Of Infested Habitatsmentioning

confidence: 97%

“…Consequently, the spatial and temporal resolution of abundance data for common ragweed in Europe is very heterogeneous, which hampers mapping of the distribution and abundance of the plant. There have been several attempts to model the distribution of common ragweed using either occurrence data (Bullock et al, 2010) or ecosystem models (Chapman et al, 2014;Rasmussen et al, 2017;Storkey et al, 2014), but all these studies have limitations describing actual abundances (Matyasovszky et al, 2018;Thibaudon et al, 2014). A main constraint is that the invasion of common ragweed is still ongoing in many countries (Karrer et al, 2015;Onen et al, 2014) and management of the landscape often increases invasion (Richter et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Predicting abundances of invasive ragweed across Europe using a “top-down” approach

Skjøth

Sun

Karrer

et al. 2019

Science of The Total Environment

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Biogeographical drivers of ragweed pollen concentrations in Europe

Cited by 15 publications

References 49 publications

Ragweed pollen and allergic symptoms in children: Results from a three-year longitudinal study

Ragweed pollen and allergic symptoms in children: Results from a three-year longitudinal study

Modeling hay fever risk factors caused by pollen from Ambrosia spp. using pollen load mapping in Ukraine

Predicting abundances of invasive ragweed across Europe using a “top-down” approach

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