50 Years of Pollen Monitoring in Basel (Switzerland) Demonstrate the Influence of Climate Change on Airborne Pollen

Gehrig, Regula; Clot, Bernard

doi:10.3389/falgy.2021.677159

Cited by 51 publications

(20 citation statements)

References 76 publications

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“…In addition, they also found that preseason temperature and precipitation also influenced pollen intensity at each site. Gehrig and Clot ( 71 ) found no change in the APIn for Poaceae over 50 years in Basel, Switzerland. The authors suggest that the increase in urbanization and decrease in agricultural land around Basel may have been responsible for the lack of change in Poaceae pollen as well as the general decrease in the APIn of herbaceous species.…”

Section: Discussionmentioning

confidence: 99%

“…Only a few long-term pollen studies analyzed changes in precipitation over time. Gehrig and Clot ( 71 ) reported no significant changes in monthly or annual precipitation in Basel, Switzerland over 50 years. In Thessaloniki, Greece Damialis et al ( 72 ) found no significant changes in annual precipitation over 19 years, and Velasco-Jiménez et al ( 14 ) showed there were no significant changes in precipitation during the September to March period in three cities in southern Spain over 24 years.…”

Section: Discussionmentioning

confidence: 99%

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Aeroallergens and Climate Change in Tulsa, Oklahoma: Long-Term Trends in the South Central United States

Levetin

2021

Front. Allergy

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Climate change is having a significant effect on many allergenic plants resulting in increased pollen production and shifts in plant phenology. Although these effects have been well-studied in some areas of the world, few studies have focused on long-term changes in allergenic pollen in the South Central United States. This study examined airborne pollen, temperature, and precipitation in Tulsa, Oklahoma over 25 to 34 years. Pollen was monitored with a Hirst-type spore trap on the roof of a building at the University of Tulsa and meteorology data were obtained from the National Weather Service. Changes in total pollen intensity were examined along with detailed analyses of the eight most abundant pollen types in the Tulsa atmosphere. In addition to pollen intensity, changes in pollen season start date, end date, peak date and season duration were also analyzed. Results show a trend to increasing temperatures with a significant increase in annual maximum temperature. There was a non-significant trend toward increasing total pollen and a significant increase in tree pollen over time. Several individual taxa showed significant increases in pollen intensity over the study period including spring Cupressaceae and Quercus pollen, while Ambrosia pollen showed a significant decrease. Data from the current study also indicated that the pollen season started earlier for spring pollinating trees and Poaceae. Significant correlations with preseason temperature may explain the earlier pollen season start dates along with a trend toward increasing March temperatures. More research is needed to understand the global impact of climate change on allergenic species, especially from other regions that have not been studied.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Aeroallergens and Climate Change in Tulsa, Oklahoma: Long-Term Trends in the South Central United States

Levetin

2021

Front. Allergy

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“…A moving average season definition usually used in trend analysis, could improve the results of this definition in the future approaches. 6 Taking together this calculation may be helpful in trial regions of interest with low pollen concentrations, an exceptional less intense season, or other possible obstacles for pollen concentration‐based season definitions. However, further validation with clinical data from hayfever patients is needed.…”

Section: Tablementioning

confidence: 99%

Development of the EAACI% season definition a backup for a global application

Bastl

Berger

Bastl

et al. 2022

Allergy

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“…Warming winter temperatures may also delay anthesis in winter-flowering species or alter the vernalization requirement for other tree species ( 54 ). Temperature influences on masting in oak, or other climatological influences on temporal flowering could, potentially, affect pollen seasonality or pollen load ( 20 ), with potential differences between perennial and herbaceous species ( 55 ).…”

Section: Unknowns and Challengesmentioning

confidence: 99%

Climate, Carbon Dioxide, and Plant-Based Aero-Allergens: A Deeper Botanical Perspective

Ziska

2021

Front. Allergy

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There is global evidence of a general increase in the incidence and prevalence of respiratory diseases including allergic rhinitis and associated asthma. This increase in turn, has been related, in part, to concurrent increases in carbon dioxide (CO2) and temperature on pollen production and allergic disease generated from plant-based sources of pollen. Such links to anthropogenic climate change has suggested three significant and interrelated consequences associated with respiratory allergies or disease. First, warmer temperatures and a longer frost-free growing season can influence pollen season length and temporal exposure to airborne aeroallergens. Second, both warmer temperatures and additional CO2 can increase the amount of pollen, the seasonal intensity, from spring through fall. Thirdly, there is evidence from oak and ragweed that rising levels of CO2 could increase the allergen concentration of the pollen and symptom severity. However, while these outcomes are of obvious consequence, they do not fully encompass all of the plant derived changes that could, directly or indirectly, influence aeroallergen production, exposure, and consequences for public health. In this overview, I will delve deeper into other plant-based links to climate/CO2 that are consequential either directly or indirectly to allergic rhinitis and associated disease. Such interactions range from pollen morphology to fire occurrence, from volatile organic compounds to potential changes in pesticide usage. The goal in doing so is to provide a broader context and appreciation for the interactions between plant biology and climate that can also affect allergen production and human impact but which, to date, have received little recognition or research.

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50 Years of Pollen Monitoring in Basel (Switzerland) Demonstrate the Influence of Climate Change on Airborne Pollen

Cited by 51 publications

References 76 publications

Aeroallergens and Climate Change in Tulsa, Oklahoma: Long-Term Trends in the South Central United States

Aeroallergens and Climate Change in Tulsa, Oklahoma: Long-Term Trends in the South Central United States

Development of the EAACI% season definition a backup for a global application

Climate, Carbon Dioxide, and Plant-Based Aero-Allergens: A Deeper Botanical Perspective

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