Journal
FORESTS
Volume 11, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/f11080817
Keywords
urban green spaces; land uses; trends; pollen; allergy; urban planning
Categories
Funding
- Consejeria de Agricultura, Medio Ambiente y Desarrollo Rural de la Junta de Comunidades de Castilla-La Mancha
- Ministry of Science, Innovation and Universities of the Spanish Government [SICAAP-CPI RTI2018-096392-B-C22]
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Many ornamental species growing in cities have considerable allergenic potential and pose a risk to allergy sufferers. Such species include members of the genusPlatanus, or London plane tree, which is increasingly prevalent in a number of southern European cities. Analysis of airborne pollen concentrations enables biological air quality to be assessed, and also provides information on the local distribution of vegetation. The aim of this study was to analyze trends in annualPlatanuspollen concentrations in central Spain and to determine the extent to which they are linked to the presence of this species in urban green spaces. The results point to a correlation between the growing number of plane trees and an increase both in the annual pollen index and in the number of days on which allergy sufferers are at risk. Analysis suggests that variations in the diversity and abundance of allergenic ornamental species in urban green spaces may account for the trends observed in the dynamics and behavior of airborne pollen from these species. The results obtained in studies of this kind should be reflected in urban green-space management plans, in order to decrease the allergenic load and thus both reduce exposure to allergenic pollen and improve air quality in these spaces.
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