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
Satucket River fed by the Poor Meadow Brook that takes in the flow of the Shumatuscacant River which drains into Abington and Whitman. Poor Meadow Brook then joins the Satucket just below Robbins Pond in East Bridgewater."Satucket River, below Robins Pond in East Bridgewater". Robbins Pond, which is another body of water in East Bridgewater, is a 124 acre natural warm water pond. Its predominantly sandy bottom has a fairly uniform 6 foot depth. The pond is mostly still water however it does drain into the Satucket."Robbins Pond, East Bridgewater, Plymouth County, Taunton River Watershed". Located above Robbins Pond is Stump Brook,