The pedunculate oaks typical of Leipzig’s floodplain forest and other German oak forests are struggling to regenerate in the understorey due to a lack of light. One reason for this is the absence of flooding in floodplain forests. In a two-year oak experiment in Leipzig’s floodplain forest, researchers found that the current tree dieback — caused by drought and pest outbreaks — combined with the thinning of certain understorey species, can actually support oak regeneration.
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