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Jung, S.* ; Yuan, Y.* ; Del Carpio, M.S.* ; Pawlik, T.* ; Hartmann, S.* ; Estrella, N.* ; Oteros, J. ; Traidl-Hoffmann, C.* ; Damialis, A.* ; Buters, J.T.M. ; Menzel, A.*

Impact of local grasslands on wild grass pollen emission in Bavaria, Germany.

Land 11:306 (2022)

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Meteorological conditions and the distribution of pollen sources are the two most decisive factors influencing the concentration of airborne grass pollen. However, knowledge about land-use types, their potential pollen emission, and the importance of local sources remains limited. In this study, wild grass pollen concentrations from 27 stations in Bavaria, Germany, were linked to potential pollen within a 30 km radius. Agricultural grass pollen sources were derived from the InVeKos database, which contains detailed information on agricultural land-use types and their spatial distribution. Non-agricultural grassland was identified by OpenStreetMap. Further source classification was conducted using a cultivation intensity indicator and wind direction. We show that the grassland percentage and pollen concentrations, specified as annual pollen integral and pollen peak vary strongly between pollen stations. Correlation analyses indicated that the impact of the grassland on pollen concentration was greater within 10 km of the pollen traps. At greater distances, the correlation coefficient between the grassland percentage and pollen indicators steadily declined.

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Publication type Article: Journal article

Document type Scientific Article

Corresponding Author

Keywords Aerobiology ; Agriculture ; Allergy ; Cultivation Intensity ; Grassland Management ; Pollen Level

ISSN (print) / ISBN 2073-445X

e-ISSN 2073-445X

Journal Land

Quellenangaben Volume: 11, Issue: 2, Article Number: 306

Publisher MDPI

Non-patent literature Publications

Reviewing status Peer reviewed

Institute(s) Institute for Allergy Research (IAF)

Grants Bavarian State Ministry of Health and Care
Bayerisches Staatsministerium für Umwelt und Verbraucherschutz