How can we accurately use pollen data to assess the impacts of climate change on ecosystems and biodiversity?
Carl Alexander Frisk
Airborne pollen would primarily be related to anemophilous taxa, therefore only a small part of all biodiversity can be inferred from atmospheric samples. Furthermore, the lack of a specific type of pollen does not mean that the plant that would contribute that pollen is not present. Therefore there is limited direct connection between biodiversity and pollen data. However, climate change does have an impact on both pollen production and flowering phenology, and will thus affect the pollen data in various ways depending on taxonomy.
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