Five years ago, the Aage V. Jensen foundation deliberately flooded a piece of drained, coastal land at Gyldensteen on North Funen in Denmark. The dikes were opened in three places, the seawater flowed in and quickly covered a 214 ha area which had previously been agricultural land. Furthermore, a freshwater lake was created of 144 ha. Ever since, biologists from the University of Southern Denmark have followed the return of nature and observed how nutrients, greenhouse gases, flora and fauna in the wetlands have changed and developed ever since.

This intentional flooding can be used as a case study to see the effects of sea-level rise.

Susan Guldberg is a PhD student in the ecology group in the Biology Department at the University of Southern Denmark.

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