Yulia Olsen


Yulia Olsen



PhD project: Airborne Alternaria and Cladosporium spores in Denmark.
University: Aarhus University
Department: Public Health

Supervisor: Torben Sigsgaard, Department of Public Health - Institute of Environmental and Occupational Medicine, Aarhus University
Co-supervisors:  Ole Hertel, Department of Environmental Science, Aarhus University; Ulrich Bay Gosewinkel, Department of Environmental Science - Environmental microbiology & biotechnology, Aarhus University
Project term: 01.02.2016 – 30.04.2019
Master’s degree: MSc in Environmental Chemistry and Health, Copenhagen University, Denmark.

Airborne Alternaria and Cladosporium spores are ubiquitous atmospheric constituents. Not only are they known to be potent pathogens to a variety of agricultural crops, but also to contain aeroallergens associated with severe asthma. However, at present their contribution to the atmosphere and impact on human health are underreported.

One of the main purposes of this project is to establish the most relevant local sources of airborne spores in Denmark and investigate the differences in the seasonal spore load in the areas of western and eastern Denmark.

Light microscopy analysis of data from the station in western Denmark. Comparison of fungal spore concentrations and seasonality measured at two stations. Investigation of association between possible local spore sources and peak spore concentrations, with a special attention to harvesting periods. Analysis of long-term trends of spore concentrations and their relationship with meteorological parameters.


  • Asthma and Allergy, Denmark
  • School of Science and the Environment, University of Worcester, United Kingdom

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ID: 82233193