overgrazing, deforestation, and soil erosion aggravated by drought are contributing to desertification; limited natural fresh water resources away from the Senegal, which is the only perennial river; locust infestation

Environment - international agreements:

party to: Biodiversity, Climate Change, Climate Change-Kyoto Protocol, Desertification, Endangered Species, Hazardous Wastes, Law of the Sea, Ozone Layer Protection, Ship Pollution, Wetlands, Whaling

signed, but not ratified: none of the selected agreements

Geography - note:

most of the population is concentrated in the cities of Nouakchott and Nouadhibou and along the Senegal River in the southern part of the country

People ::Mauritania

Population:

3,205,060 (July 2010 est.) country comparison to the world: 133

Age structure: