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Research indicates that phenolic compounds (e.g. para‐coumaric acid) found within pollen grains may be useful as a proxy to reconstruct the UV‐B radiation received at the Earth’s surface in the geological past. However, application of this method to the plant‐fossil record currently relies on a series of untested assumptions surrounding the ecologi...
I am currently working on my PhD at the EECRG at the University of Bergen titled "Using UV-B-absorbing compounds in sporopollenin as a proxy for plant-received UV-B: a greenhouse- and field-experimental approach". During my PhD I will research several key challanges of using pollen chemistry as a proxy for plant-recieved UV-B. 1. How important are ‘within-tree’ variations of UV-B-absorbing compounds and how does this relate to local shading effects? 2. What is the importance of phenotypic plasticity compared to local adaptation on the UV-B-absorbing compounds signal? 3. In what developmental stage are the pollen most sensitive to changes in UV-B radiation? My main supervisor during my PhD is Alistair Seddon (https://www.uib.no/en/persons/Alistair.Seddon) and Matthew Robson (https://researchportal.helsinki.fi/en/persons/t-matthew-robson) and Daniela Festi (https://danielafesti.wixsite.com/researcher) are my co-supervisors.