The northern part of Iran is covered by the lush lowland Caspian Hyrcanian mixed forests, located near the southern shores of the Caspian Sea. The eastern part consists mostly of desert basins, such as the Kavir Desert, which is the country's largest desert, and the Lut Desert, as well as some salt lakes. Iran had a 2019 Forest Landscape Integrity Index mean score of 7.67/10, ranking it 34th globally out of 172 countries.