Photograph by Andia, Universal Images Group/Getty Images
Rivers in Europe are more fragmented meaning their natural flows are interrupted by man-made barriers than any other continent’s rivers, new research shows.
In a four-year study spanning 36 European countries, scientists surveyed almost 1,700 miles of river by foot and found at least 1.2 million obstacles preventing European rivers from flowing freely. That’s more than one barrier for every mile of river (or 0.74 barriers per kilometre).
“The numbers we found are higher than expected, and show that European rivers are broken,” says Barbara Belletti, a river geomorphologist who led the study at the Polytechnic University of Milan.
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