Ab-i Istada ("standing water") is an

endorheic An endorheic basin (; also spelled endoreic basin or endorreic basin) is a drainage basin that normally retains water and allows no outflow to other external bodies of water, such as rivers or oceans, but drainage converges instead into lakes ...

salt lake A salt lake or saline lake is a landlocked body of water that has a concentration of salts (typically sodium chloride) and other dissolved minerals significantly higher than most lakes (often defined as at least three grams of salt per litre) ...

in Nawa District,

Ghazni Province Ghazni ( Dari: ) is one of the 34 provinces of Afghanistan, located in southeastern Afghanistan. The province contains 19 districts, encompassing over a thousand villages and roughly 1.3 million people, making it the 5th most populous province. Th ...

Afghanistan Afghanistan, officially the Islamic Emirate of Afghanistan,; prs, امارت اسلامی افغانستان is a landlocked country located at the crossroads of Central Asia and South Asia. Referred to as the Heart of Asia, it is borde ...

. It lies in a large depression created by the Chaman Fault system in the southern foothills of the

Hindu Kush The Hindu Kush is an mountain range in Central and South Asia to the west of the Himalayas. It stretches from central and western Afghanistan, Quote: "The Hindu Kush mountains run along the Afghan border with the North-West Frontier Province ...

, south-southwest of

Ghazni Ghazni ( prs, غزنی, ps, غزني), historically known as Ghaznain () or Ghazna (), also transliterated as Ghuznee, and anciently known as Alexandria in Opiana ( gr, Αλεξάνδρεια Ωπιανή), is a city in southeastern Afghanistan ...

Description

In modern times the lake has been reported to have a surface area of , although it dries out periodically. It is very shallow, not exceeding in depth. There are two small islands near the lake's southeastern shore, Loya ghundai () and Kuchney ghundai (). The water is highly alkaline and mass die-offs of freshwater fish from the Ghazni River sometimes occur. The main inflows into Ab-i Istada are the Ghazni, Sardeh and Nahara Rivers, which drain into it from the northeast. The watershed draining into the lake covers and was home to over 1.8 million people in 2003. Three sets of

raised beach A raised beach, coastal terrace,Pinter, N (2010): 'Coastal Terraces, Sealevel, and Active Tectonics' (educational exercise), from 2/04/2011/ref> or perched coastline is a relatively flat, horizontal or gently inclined surface of marine origin, ...

es surrounding the lake have been noted at , and above the normal lake level. At high water levels, the lake is known to overflow into the Lora River, a tributary of the Arghistan River, through two channels on the south side of the lake, Akasi Mandeh and Sekva Mandeh. A groundwater connection between the lake and the Lora drainage has been suggested.

Settlement

Historically the area around the lake was unpopulated, although nomads from

Kandahar Kandahar (; Kandahār, , Qandahār) is a city in Afghanistan, located in the south of the country on the Arghandab River, at an elevation of . It is Afghanistan's second largest city after Kabul, with a population of about 614,118. It is the c ...

visited it in the summer. More recently, the

Tarakai The Tarakai or Taraki ( ps, تره کي) is a Khilji Pashtun tribe; mainly found in the Ghazni province of Afghanistan. They are divided into several major clans/tribes: Nawrozkhel, Nakhel, Jamalkhel, Harunkhel, Malangkhel, Akhtarkhel, Daryakhel, ...

have settled near the lake: in 2003 there were eight villages within with a total population of approximately 5000. Economic activities around the lake include

trapping Animal trapping, or simply trapping or gin, is the use of a device to remotely catch an animal. Animals may be trapped for a variety of purposes, including food, the fur trade, hunting, pest control, and wildlife management. History Neolithi ...

of saker and

peregrine falcon The peregrine falcon (''Falco peregrinus''), also known as the peregrine, and historically as the duck hawk in North America, is a cosmopolitan bird of prey (raptor) in the family Falconidae. A large, crow-sized falcon, it has a blue-grey bac ...

grazing In agriculture, grazing is a method of animal husbandry whereby domestic livestock are allowed outdoors to roam around and consume wild vegetations in order to convert the otherwise indigestible (by human gut) cellulose within grass and ot ...

and collection of fuel wood.

Environment

The wetlands around Ab-i Istada attract a variety of migratory birds, over 120 species having previously been recorded.

Babur Babur ( fa, , lit= tiger, translit= Bābur; ; 14 February 148326 December 1530), born Mīrzā Zahīr ud-Dīn Muhammad, was the founder of the Mughal Empire in the Indian subcontinent. He was a descendant of Timur and Genghis Khan through hi ...

observed enormous flocks of

greater flamingo The greater flamingo (''Phoenicopterus roseus'') is the most widespread and largest species of the flamingo family. It is found in Africa, the Indian subcontinent, the Middle East, and in southern Europe. Taxonomy The greater flamingo was desc ...

es at the lake; their numbers in recent years have varied between 0 and 9000. The wetlands were once a critical stopover for the central migratory population of

Siberian crane The Siberian crane (''Leucogeranus leucogeranus''), also known as the Siberian white crane or the snow crane, is a bird of the family Gruidae, the cranes. They are distinctive among the cranes: adults are nearly all snowy white, except for their ...

s, but these have not been sighted at the lake since 1986. In 1974, the Afghani government proclaimed a Waterfowl and Flamingo Sanctuary around the lake, causing considerable resentment among the locals; conservation efforts ended with the Soviet invasion in 1979 and have not been restarted since.

Important Bird Area

A 27,000 ha area, encompassing the lake and its immediate surrounds, has been designated an

Important Bird Area An Important Bird and Biodiversity Area (IBA) is an area identified using an internationally agreed set of criteria as being globally important for the conservation of bird populations. IBA was developed and sites are identified by BirdLife Inte ...

(IBA) by

BirdLife International BirdLife International is a global partnership of non-governmental organizations that strives to conserve birds and their habitats. BirdLife International's priorities include preventing extinction of bird species, identifying and safeguarding ...

because it supports populations of

greylag geese The greylag goose or graylag goose (''Anser anser'') is a species of large goose in the waterfowl family Anatidae and the type species of the genus ''Anser (bird), Anser''. It has mottled and barred grey and white plumage and an orange beak and ...

, common pochards,

grey heron The grey heron (''Ardea cinerea'') is a long-legged wading bird of the heron family, Ardeidae, native throughout temperate Europe and Asia and also parts of Africa. It is resident in much of its range, but some populations from the more north ...

great white pelican The great white pelican (''Pelecanus onocrotalus'') also known as the eastern white pelican, rosy pelican or white pelican is a bird in the pelican family. It breeds from southeastern Europe through Asia and Africa, in swamps and shallow lakes. ...

black-winged stilt The black-winged stilt (''Himantopus himantopus'') is a widely distributed very long-legged wader in the avocet and stilt family ( Recurvirostridae). The scientific name ''H. himantopus'' is sometimes applied to a single, almost cosmopolitan sp ...

Kentish plover The Kentish plover (''Charadrius alexandrinus'') is a small cosmopolitan shorebird (40-44 g) of the family Charadriidae that breeds on the shores of saline lakes, lagoons, and coasts, populating sand dunes, marshes, semi-arid desert, and tundra.S ...

s, slender-billed gulls and gull-billed terns.

References

{{Authority control Lakes of Afghanistan Wetlands of Afghanistan Landforms of Ghazni Province Important Bird Areas of Afghanistan