Aquatic organisms release a constant amount of DNA into the water, known as environmental DNA (eDNA). The Danish Environmental Protection Agency, in collaboration with NIVA Denmark and the Natural History Museum of Denmark, has been monitoring eDNA from non-indigenous species in Danish waters.

NIVA Denmark’s head of research, Jesper H. Andersen, explained in an interview with Vid&Sans how the port expansion projects Lynetteholmen and Aarhus Outer Port will affect the biodiversity in and around the construction projects.

NIVA is a partner in two new Horizon Europe projects from the European Commission.

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NIVA Denmark has carried out a study in which eDNA from the rare river pearl mussel has been found in two tributaries to Varde Å – namely in the outlet from Ansager Å and at four locations in Holme Å. The study has been financed by the Aage V. Jensen Foundation, Varde municipality and the Danish Environmental Protection Agency.