Due to the Aral Sea loss, high salinity and contamination of the soil with heavy elements are especially widespread in Karakalpakstan, the region of Uzbekistan adjacent to the Aral Sea. The bulk of the nation's water resources is used for farming, which accounts for nearly 84% of the water use and contributes to high soil salinity. Heavy use of pesticides and fertilisers for cotton growing further aggravates soil contamination.