SousaSilvaSmargiassiKneeshawEtAl2021

Référence

Sousa-Silva, R., Smargiassi, A., Kneeshaw, D.D., Dupras, J., Zinszer, K., Paquette, A. (2021) Strong variations in urban allergenicity riskscapes due to poor knowledge of tree pollen allergenic potential. Scientific Reports, 11(1):10196. (URL )

Résumé

Exposure to allergenic tree pollen is an increasing environmental health issue in urban areas. However, reliable, well-documented, peer-reviewed data on the allergenicity of pollen from common tree species in urban environments are lacking. Using the concept of ‘riskscape’, we present and discuss evidence on how different tree pollen allergenicity datasets shape the risk for pollen-allergy sufferers in five cities with different urban forests and population densities: Barcelona, Montreal, New York City, Paris, and Vancouver. We also evaluate how tree diversity can modify the allergenic risk of urban forests. We show that estimates of pollen exposure risk range from 1 to 74% for trees considered to be highly allergenic in the same city. This variation results from differences in the pollen allergenicity datasets, which become more pronounced when a city’s canopy is dominated by only a few species and genera. In an increasingly urbanized world, diverse urban forests offer a potentially safer strategy aimed at diluting sources of allergenic pollen until better allergenicity data is developed. Our findings highlight an urgent need for a science-based approach to guide public health and urban forest planning.

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@ARTICLE { SousaSilvaSmargiassiKneeshawEtAl2021,
    AUTHOR = { Sousa-Silva, R. and Smargiassi, A. and Kneeshaw, D.D. and Dupras, J. and Zinszer, K. and Paquette, A. },
    TITLE = { Strong variations in urban allergenicity riskscapes due to poor knowledge of tree pollen allergenic potential },
    DOI = { 10.1038/s41598-021-89353-7 },
    ISSN = { 2045-2322 },
    NUMBER = { 1 },
    PAGES = { 10196 },
    URL = { https://doi.org/10.1038/s41598-021-89353-7 },
    VOLUME = { 11 },
    ABSTRACT = { Exposure to allergenic tree pollen is an increasing environmental health issue in urban areas. However, reliable, well-documented, peer-reviewed data on the allergenicity of pollen from common tree species in urban environments are lacking. Using the concept of ‘riskscape’, we present and discuss evidence on how different tree pollen allergenicity datasets shape the risk for pollen-allergy sufferers in five cities with different urban forests and population densities: Barcelona, Montreal, New York City, Paris, and Vancouver. We also evaluate how tree diversity can modify the allergenic risk of urban forests. We show that estimates of pollen exposure risk range from 1 to 74% for trees considered to be highly allergenic in the same city. This variation results from differences in the pollen allergenicity datasets, which become more pronounced when a city’s canopy is dominated by only a few species and genera. In an increasingly urbanized world, diverse urban forests offer a potentially safer strategy aimed at diluting sources of allergenic pollen until better allergenicity data is developed. Our findings highlight an urgent need for a science-based approach to guide public health and urban forest planning. },
    JOURNAL = { Scientific Reports },
    OWNER = { Daniel Lesieur },
    REFID = { Sousa-Silva2021 },
    TIMESTAMP = { 2021-05-13 },
    YEAR = { 2021 },
}

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