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Gesa von Hirschheydt, Biologist
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Gesa von Hirschheydt, Birmensdorf «I have an annual pass for Zurich Zoo and often walk there along the Höhenweg. I like the old oaks and beeches in the forest – even in bad weather!»
LEARNING FROM MISTAKES
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Wherever people work, mistakes are made. This also happens when collecting data for the Red List of Lichens. The biologist Gesa von Hirschheydt is analysing such mistakes in her doctoral thesis at WSL. This involves calculating the probability that lichens will not be detected during the survey. In this way, she is helping to make the results of the currently ongoing revision of the Red List more accurate. “I find lichens really fascinating organisms. They constitue a group of species, we still know so little about.” (lbo)
