Tigris–Euphrates river system through the central plain and combine at Al-Qurnah to form the Shatt al-Arab and discharge into the Persian Gulf. The region has historical importance as part of the Fertile Crescent region, in which civilization is believed to have first emerged. The ecoregion is characterized by two large rivers, the Tigris and Euphrates. The rivers have several small tributaries which feed into the system from shallow freshwater lakes, swamps, and marshes, all surrounded by desert. The hydrology of these vast marshes is extremely important to the ecology of the entire upper Persian Gulf. Historically, the area is known as Mesopotamia. As
Glory River Glory River The Glory River (Nahar al-Aaz), Glory Canal or Prosperity Canal is a shallow canal in Iraq about two kilometers wide built by Saddam Hussein in 1993 to redirect water flowing from the Tigris river into the Euphrates, near their confluence at the Shatt al-Arab. It helped cause an environmental and humanitarian disaster since it diverted natural water flow from the Central Marshes and effectively converted much of the wetlands into a desert. After the First Gulf War, Saddam Hussein aggressively revived a program to divert the flow of the Tigris and the Euphrates rivers away from the marshes