Analysis of human induced changes in a karst landscape - the filling of dolines in the Kras plateau, Slovenia

► In the study areas, one quarter of dolines have disappeared in the past 40 years and more are endangered. ► Dolines are filled up with construction material resulting in landscape deterioration. ► Excessive human encroachment may have a great effect on karst hydrology or ecology. ► The current standards for karst protection are loose.