Reference - Detail
| RRC ID | 81060 |
|---|---|
| Author | Werchan M, Werchan B, Bogawski P, Mousavi F, Metz M, Bergmann KC. |
| Title | An emerging aeroallergen in Europe: Tree-of-Heaven (Ailanthus altissima [Mill.] Swingle) inventory and pollen concentrations - Taking a metropolitan region in Germany as an example. |
| Journal | Sci Total Environ |
| Abstract |
Urban areas are often hotspots for the dissemination of non-native (invasive) plant species, some of which release (potentially) allergenic pollen. Given the high population density in cities, a considerable number of people can be regularly and potentially intensively exposed to the pollen from these plants. This study delves into the Tree-of-Heaven (Ailanthus altissima, [Mill.] Swingle), native to East Asia, which is known for its high invasiveness in temperate regions worldwide, particularly favoring urban colonization. This study explores the botanical and aerobiological dimensions of this species using the central European metropolitan region of Berlin, Germany, as a case study, and provides a comprehensive global overview of allergological insights. The number of Ailanthus trees decreased markedly from the center to the periphery of Berlin City, following a temperature gradient. The same spatial trend was mirrored by airborne Ailanthus pollen concentrations measured with volumetric spore traps (Hirst-type) at five sites using seven traps. Ailanthus pollen was most abundant around midday and in the afternoon, with concentrations tenfold higher at street level than at roof level. The Ailanthus flowering period in June and July coincided well with the pollen season. To the best of our knowledge this is the first study to investigate Ailanthus altissima pollen production. On average, 5539 pollen grains were found per anther. A literature review on the allergy relevance of Ailanthus altissima pollen indicates the high allergenic potential of pollen from this species. Considering the anticipated expansion of suitable habitats for Ailanthus owing to global warming and the allergological significance of its pollen, it is recommended to include Ailanthus pollen in routine pollen monitoring, particularly in areas colonized by this species. This comprehensive study provides new insights into a pollen taxon whose significance as an emerging aeroallergen should be factored into plant selection and greenspace management in all temperate regions. |
| Volume | 930 |
| Pages | 172519 |
| Published | 2024-4-16 |
| DOI | 10.1016/j.scitotenv.2024.172519 |
| PII | S0048-9697(24)02665-2 |
| Description | BiodiC-J data were referenced. |
| PMID | 38636870 |
| MeSH | Ailanthus* Air Pollutants* / analysis Air Pollution / statistics & numerical data Allergens* / analysis Cities* Environmental Monitoring* / methods Germany Pollen* Seasons |
| IF | 6.551 |
| Resource | |
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