Atrek
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| Atrek Attrack | |
|---|---|
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| Native name | Template:Native name checker |
| Physical characteristics | |
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| Length | Template:Infobox river/calcunit |
Basin size | Template:Infobox river/calcunit |
| • minimum | Template:Infobox river/calcunit |
| • average | Template:Infobox river/calcunit |
| • maximum | Template:Infobox river/calcunit |
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Template:Contains special characters The Atrek (Template:Langx, Template:Langx, Template:Langx), also known as the Attrack,[1] Atrak, and Etrek, is a fast-moving river which begins in the mountains of north-eastern Iran (Lua error: callParserFunction: function "#coordinates" was not found.) and flows 563 kilometres (350 mi) westward, draining into the south-eastern corner of the Caspian Sea in Turkmenistan. Because of the high use of its waters for irrigation, the Atrek only flows into the Caspian when it is in its flood stage.
Geography
The Atrek is 669 kilometres (416 mi) long and drains a basin of 27,300 square kilometres (10,500 mi2).
Politics
Beginning at Lua error: callParserFunction: function "#coordinates" was not found., where its tributary the Sumbar joins it, the river forms the border of Iran with Turkmenistan; this helped keep the area closed throughout the Cold War years. A 1957 treaty between Iran and the USSR assigns equal rights to 50% of the water of the frontier parts of the Atrek.[2] The same treaty also applies to the Aras River, which now forms part of the border between Iran and Azerbaijan.
Ecology
Even though sturgeons concentrate in the area of the Caspian Sea next to the Turkmen coast, they do not currently migrate into the Atrek River owing to its low water level and pollution. Since the Atrek is the only Caspian watershed river of the Turkmen coast, sturgeons no longer reproduce in Turkmenistan.[3]
See also
References
This article includes content derived from the Great Soviet Encyclopedia, 1969–1978, which is partially in the public domain.
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- ^ "Atrek" in the Encyclopædia Britannica, 9th ed. 1878.
- ^ Page Module:Citation/CS1/styles.css has no content."Russian - Iranian Treaty of August 11, 1957". Middle East Journal. 13 (2): 193–195. 1959. JSTOR 4323108.
- ^ Sturgeons in Turkmenistan Script error: No such module "webarchive".
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