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DTSTAMP:20260812T012056Z
DESCRIPTION:Allergic diseases have been rising since decades\, and about on
 e in 4 to 5 individuals shows some type of allergic disease. The major all
 ergens are proteins from pollen\, house dust mite\, cat and dog. Climate c
 hange affects the reproductive life cycles of plants\, including pollen pr
 oduction\, which has consequences for allergic&nbsp\;respiratory diseases.
  We examined past and future climatic trends (till 2100) in Bavaria\, Sout
 hern Germany.&nbsp\;Climate change in Bavaria till today showed a&nbsp\;tr
 end towards a more continental climate\, which is significant in the Alps 
 in the south of the&nbsp\;territory. The influence of climate change depen
 ded on pollen type. Birches are vulnerable to climate&nbsp\;change as thes
 e trees&nbsp\;are sensitive to increased temperatures and summer droughts 
 and we studied if these trees might disappear.&nbsp\;Pollen data from 28 m
 onitoring stations in&nbsp\;Bavaria were used in this study\, with time&nb
 sp\;series of up 30 years long. An integrative approach was used to model 
 airborne birch&nbsp\;pollen concentrations taking into account drivers inf
 luencing birch tree abundance&nbsp\;and birch pollen production and projec
 tions made according to&nbsp\;different climate&nbsp\;change and socioecon
 omic scenarios. Birch tree abundance till 2100 will decrease&nbsp\;in part
 s of Bavaria at different rates\, depending on the climate scenario\, part
 icularly&nbsp\;in current centres of the species distribution (close to Ba
 yreuth). Climate change is expected to result&nbsp\;in initial&nbsp\;incre
 ases in pollen load but\, due to the reduction in birch trees\, the amount
 &nbsp\;of airborne birch pollen will decrease at lower altitudes. Converse
 ly\, higher altitude&nbsp\;areas will experience expansions in birch tree 
 distribution and subsequent increases. The effects on grass pollen is diff
 erent as these will increase.\nThe major indoor allergen house dust mite\,
  and allergens from cat and dogs will not react to climate change. There o
 ther measures like air purification are more useful. If we assume that&nbs
 p\;more intense pollen seasons result in increases in prevalence and sever
 ity of allergic diseases\, then the effect of exposure and climate&nbsp\;c
 hange on&nbsp\;public health in Bavaria may be significant. The newly inst
 alled automatic pollen monitoring system (ePIN) will be very useful in con
 trolling allergic diseases.\nAssessing exposure to airborne allergens is a
  major factor in controlling allergic diseases. Come and see what is new i
 n that field.\n*** invited by Prof. Carl Beierkuhnlein\, Biogeography
DTSTART;TZID=Europe/Berlin:20220113T121500
DTEND;TZID=Europe/Berlin:20220113T134500
LOCATION:hybrid
SUMMARY:Prof. Dr. Jeroen Buters\, Zentrum Allergie und Umwelt (ZAUM)\, Tech
 nische Universität und Helmholtz Zentrum München (Homepage): Allergens in 
 the air we breathe: relevance\, avoidance and effect of climate change
TRANSP:TRANSPARENT
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