Karst landscapes are areas of land made up of limestone. The effects of carbonation are best seen in karst areas. The overlying soil and plants have been removed, and the bare limestone rock is exposed (uncovered). An example of a karst region in Ireland is the Burren in Co. Clare.
Managing information and thinking
Looking at this map, can you identify three countries that appear to have large karst regions? Use an atlas or Google Maps to help you.