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Impact of Local Grasslands on Wild Grass Pollen Emission in Bavaria, Germany

Author

Listed:
  • Stephan Jung

    (TUM School of Life Sciences, Ecoclimatology, Technical University of Munich, 85354 Freising, Germany)

  • Ye Yuan

    (TUM School of Life Sciences, Ecoclimatology, Technical University of Munich, 85354 Freising, Germany)

  • Maria Stange Del Carpio

    (TUM School of Life Sciences, Ecoclimatology, Technical University of Munich, 85354 Freising, Germany)

  • Thomas Pawlik

    (Bavarian State Research Center for Agriculture (LfL), Institute for Crop Science and Plant Breeding, 85354 Freising, Germany)

  • Stephan Hartmann

    (Bavarian State Research Center for Agriculture (LfL), Institute for Crop Science and Plant Breeding, 85354 Freising, Germany)

  • Nicole Estrella

    (TUM School of Life Sciences, Ecoclimatology, Technical University of Munich, 85354 Freising, Germany)

  • Jose Oteros

    (Department of Botany, Ecology and Plant Physiology, University of Córdoba (UCO), 14071 Cordova, Spain
    ZAUM-Center of Allergy & Environment, Member of the German Center for Lung Research (DZL), Technical University of Munich/Helmholtz Zentrum Munich, 80802 Munich, Germany)

  • Claudia Traidl-Hoffmann

    (Department of Environmental Medicine, Faculty of Medicine, University of Augsburg, 86156 Augsburg, Germany
    Center for Allergy Research and Education (CK-CARE), 7265 Davos, Switzerland)

  • Athanasios Damialis

    (Department of Environmental Medicine, Faculty of Medicine, University of Augsburg, 86156 Augsburg, Germany
    Department of Ecology, School of Biology, Faculty of Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece)

  • Jeroen Buters

    (ZAUM-Center of Allergy & Environment, Member of the German Center for Lung Research (DZL), Technical University of Munich/Helmholtz Zentrum Munich, 80802 Munich, Germany)

  • Annette Menzel

    (TUM School of Life Sciences, Ecoclimatology, Technical University of Munich, 85354 Freising, Germany
    Institute for Advanced Study, Technical University of Munich, 85748 Garching, Germany)

Abstract

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.

Suggested Citation

  • Stephan Jung & Ye Yuan & Maria Stange Del Carpio & Thomas Pawlik & Stephan Hartmann & Nicole Estrella & Jose Oteros & Claudia Traidl-Hoffmann & Athanasios Damialis & Jeroen Buters & Annette Menzel, 2022. "Impact of Local Grasslands on Wild Grass Pollen Emission in Bavaria, Germany," Land, MDPI, vol. 11(2), pages 1-18, February.
    • Handle: RePEc:gam:jlands:v:11:y:2022:i:2:p:306-:d:751586
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