Lake Manzala
Encyclopedia
Lake Manzala is a brackish lake, sometimes called a lagoon, in northeastern Egypt
Egypt
Egypt , officially the Arab Republic of Egypt, Arabic: , is a country mainly in North Africa, with the Sinai Peninsula forming a land bridge in Southwest Asia. Egypt is thus a transcontinental country, and a major power in Africa, the Mediterranean Basin, the Middle East and the Muslim world...

 on the Nile Delta
Nile Delta
The Nile Delta is the delta formed in Northern Egypt where the Nile River spreads out and drains into the Mediterranean Sea. It is one of the world's largest river deltas—from Alexandria in the west to Port Said in the east, it covers some 240 km of Mediterranean coastline—and is a rich...

 near Port Said
Port Said
Port Said is a city that lies in north east Egypt extending about 30 km along the coast of the Mediterranean Sea, north of the Suez Canal, with an approximate population of 603,787...

 and a few miles from the ancient ruins at Tanis
Tanis, Egypt
Tanis , the Greek name of ancient Djanet , is a city in the north-eastern Nile delta of Egypt. It is located on the Tanitic branch of the Nile which has long since silted up.-History:...

. It is the largest of the northern deltaic lakes of Egypt. As of 2008 it is 47km long and 30km wide.

Geography

Lake Manzala is long but quite shallow. Though Lake Manzala's unaltered depth is only four to five feet, alterations to the depth were made during the construction of the Suez Canal to allow the Canal to extend 29 miles lengthwise along the lake. Its bed is soft clay. Before construction of the Suez Canal, Lake Manzala was separated from the Mediterranean Sea
Mediterranean Sea
The Mediterranean Sea is a sea connected to the Atlantic Ocean surrounded by the Mediterranean region and almost completely enclosed by land: on the north by Anatolia and Europe, on the south by North Africa, and on the east by the Levant...

 by a strip of sand 200 to 300 yards wide.

Port Said was established adjacent to Lake Manzala during the nineteenth century to support canal construction and related travel. The lake's location directly south of the Port Said Airport
Port Said Airport
Port Said Airport serves the city of Port Said, Egypt, at the north end of the Suez Canal.In 2009, the airport served 30,196 passengers .-Modernisation:...

 restricts the city's capacity for urban growth.

Suez Canal

Lake Manzala is the northern-most of three natural lakes intersected by the Suez Canal
Suez Canal
The Suez Canal , also known by the nickname "The Highway to India", is an artificial sea-level waterway in Egypt, connecting the Mediterranean Sea and the Red Sea. Opened in November 1869 after 10 years of construction work, it allows water transportation between Europe and Asia without navigation...

, the other two being Lake Timsah
Lake Timsah
Lake Timsah, also known as Crocodile Lake, is a lake in Egypt on the Nile delta. It lies in a basin developed along a fault extending from the Mediterranean Sea to the Gulf of Suez through the Bitter Lakes region. In 1800, a flood filled the Wadi Tumilat, which caused Timsah's banks to overflow and...

 and the Great Bitter Lake
Great Bitter Lake
The Great Bitter Lake is a salt water lake between the north and south part of the Suez Canal. It is adjoined by the Small Bitter Lake . Before the Canal was built, their site was occupied by dry salt valleys. Together, the Bitter Lakes now have a surface area of about 250 km²...

. Construction of the canal proceeded from north to south, reaching Manzala first. Due to the lake's shallowness, it was necessary to dig a banked channel for ships to pass.

Ecology

Lake Manzala served as a significant source of inexpensive fish for human consumption in Egypt, but pollution and lake drainage have reduced the lake's productivity. In 1985, the lakes fishery was an open area of 89,000 ha
Hectare
The hectare is a metric unit of area defined as 10,000 square metres , and primarily used in the measurement of land. In 1795, when the metric system was introduced, the are was defined as being 100 square metres and the hectare was thus 100 ares or 1/100 km2...

and employed roughly 17,000 workers. The government of Egypt drained substantial portions of the lake in an effort to convert its rich Nile deposits to farmland. The project was unprofitable: crops did not grow well in the salty soil and the value of resulting produce was less than the market value of the fish that the reclaimed land had formerly yielded. By 2001, Lake Manzala had lost approximately 80 percent of its former area through the effects of drainage efforts.
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