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The Eastern Anatolian montane steppe is a
temperate grasslands, savannas, and shrublands Temperate grasslands, savannas, and shrublands is a terrestrial biome defined by the World Wide Fund for Nature. The predominant vegetation in this biome consists of grass and/or shrubs. The climate is temperate and ranges from semi-arid to sem ...
ecoregion An ecoregion (ecological region) or ecozone (ecological zone) is an ecologically and geographically defined area that is smaller than a bioregion, which in turn is smaller than a biogeographic realm. Ecoregions cover relatively large areas of l ...
. It is located in the Armenian Highlands, covering parts of eastern
Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a transcontinental country located mainly on the Anatolian Peninsula in Western Asia, with a small portion on the Balkan Peninsula in ...
,
Armenia Armenia (), , group=pron officially the Republic of Armenia,, is a landlocked country in the Armenian Highlands of Western Asia.The UNbr>classification of world regions places Armenia in Western Asia; the CIA World Factbook , , and ''Ox ...
,
Azerbaijan Azerbaijan (, ; az, Azərbaycan ), officially the Republic of Azerbaijan, , also sometimes officially called the Azerbaijan Republic is a transcontinental country located at the boundary of Eastern Europe and Western Asia. It is a part of t ...
, southern
Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to the ...
, and northwestern
Iran Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkme ...
.


Geography

The ecoregion occupies the Armenian Highlands, a plateau lying mostly between 1500 to 2500 meters elevation. The volcanic peaks
Mount Ararat Mount Ararat or , ''Ararat''; or is a snow-capped and dormant compound volcano in the extreme east of Turkey. It consists of two major volcanic cones: Greater Ararat and Little Ararat. Greater Ararat is the highest peak in Turkey and t ...
(5137 m) and
Mount Süphan Mount Süphan ( tr, Süphan Dağı, ku, Sîpanê Xelatê, hy, Սիփան, Sipan) is a stratovolcano located in eastern Turkey, immediately north of Lake Van. It is the second highest volcano in Turkey, with an elevation of , and has the third h ...
(4058 m) rise above the plateau. It covers portions of eastern
Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a transcontinental country located mainly on the Anatolian Peninsula in Western Asia, with a small portion on the Balkan Peninsula in ...
, eastern and southern
Armenia Armenia (), , group=pron officially the Republic of Armenia,, is a landlocked country in the Armenian Highlands of Western Asia.The UNbr>classification of world regions places Armenia in Western Asia; the CIA World Factbook , , and ''Ox ...
,
Azerbaijan Azerbaijan (, ; az, Azərbaycan ), officially the Republic of Azerbaijan, , also sometimes officially called the Azerbaijan Republic is a transcontinental country located at the boundary of Eastern Europe and Western Asia. It is a part of t ...
's
Nakhchivan Autonomous Republic The Nakhchivan Autonomous Republic ( az, Naxçıvan Muxtar Respublikası, ), is a landlocked exclave of the Republic of Azerbaijan. The region covers Official portal of Nakhchivan Autonomous RepublicNakhchivan Autonomous Republic with a populati ...
, the
Javakheti Javakheti ( ka, ჯავახეთი ) or Javakhk ( hy, Ջավախք, ''Javakhk'') is a historical province in southern Georgia, corresponding to the modern municipalities of Akhalkalaki, Aspindza (partly), Ninotsminda, and partly to the Tur ...
region of southern
Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to the ...
, and northwestern
Iran Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkme ...
. The highlands are bounded on the northeast by the
Lesser Caucasus The Lesser Caucasus, also called Caucasus Minor, is the second of the two main mountain ranges of Caucasus mountains, of length about . The western portion of the Lesser Caucasus overlaps and converges with east Turkey and northwest Iran. It runs ...
, on the northwest by the
Pontic Mountains The Pontic Mountains or Pontic Alps ( Turkish: ''Kuzey Anadolu Dağları'', meaning North Anatolian Mountains) form a mountain range in northern Anatolia, Turkey. They are also known as the ''Parhar Mountains'' in the local Turkish and Pontic Gr ...
, and on the south by the
Zagros Mountains The Zagros Mountains ( ar, جبال زاغروس, translit=Jibal Zaghrus; fa, کوه‌های زاگرس, Kuh hā-ye Zāgros; ku, چیاکانی زاگرۆس, translit=Çiyakani Zagros; Turkish: ''Zagros Dağları''; Luri: ''Kuh hā-ye Zāgr ...
. To the east the plateau descends towards the Aras-Kura lowlands, and in the Aras valley the ecoregion descends to 375 meters elevation. The northern part of the ecoregion is in the watershed of the upper
Aras River , az, Araz, fa, ارس, tr, Aras The Aras (also known as the Araks, Arax, Araxes, or Araz) is a river in the Caucasus. It rises in eastern Turkey and flows along the borders between Turkey and Armenia, between Turkey and the Nakhchivan exc ...
, which includes
Lake Sevan Lake Sevan ( hy, Սևանա լիճ, Sevana lich) is the largest body of water in both Armenia and the Caucasus region. It is one of the largest freshwater high-altitude (alpine) lakes in Eurasia. The lake is situated in Gegharkunik Province, ...
in Armenia. The Aras empties into the Kura River, which then drains into the
Caspian Sea The Caspian Sea is the world's largest inland body of water, often described as the world's largest lake or a full-fledged sea. An endorheic basin, it lies between Europe and Asia; east of the Caucasus, west of the broad steppe of Central Asi ...
. The ecoregion includes closed basins of
Lake Van Lake Van ( tr, Van Gölü; hy, Վանա լիճ, translit=Vana lič̣; ku, Gola Wanê) is the largest lake in Turkey. It lies in the far east of Turkey, in the provinces of Van and Bitlis in the Armenian highlands. It is a saline soda lake, ...
in eastern Turkey and
Lake Urmia Lake Urmia; az, اۇرمۇ گؤلۆ, script=Arab, italic=no, Urmu gölü; ku, گۆلائوو رمیەیێ, Gola Ûrmiyeyê; hy, Ուրմիա լիճ, Urmia lich; arc, ܝܡܬܐ ܕܐܘܪܡܝܐ is an endorheic salt lake in Iran. The lake is l ...
in northwestern Iran. The cities of
Tabriz Tabriz ( fa, تبریز ; ) is a city in northwestern Iran, serving as the capital of East Azerbaijan Province. It is the sixth-most-populous city in Iran. In the Quru River valley in Iran's historic Azerbaijan region between long ridges of vo ...
,
Erzurum Erzurum (; ) is a city in eastern Anatolia, Turkey. It is the largest city and capital of Erzurum Province and is 1,900 meters (6,233 feet) above sea level. Erzurum had a population of 367,250 in 2010. The city uses the double-headed eagle as ...
, and
Yerevan Yerevan ( , , hy, Երևան , sometimes spelled Erevan) is the capital and largest city of Armenia and one of the world's oldest continuously inhabited cities. Situated along the Hrazdan River, Yerevan is the administrative, cultural, and i ...
are located in the ecoregion.


Climate

The climate is continental, with warm summers and cold winters. Annual precipitation ranges from 400 to 600 mm, and generally falls evenly throughout the year. Rainfall is lower (200–300 mm annually) in the
rain shadow A rain shadow is an area of significantly reduced rainfall behind a mountainous region, on the side facing away from prevailing winds, known as its leeward side. Evaporated moisture from water bodies (such as oceans and large lakes) is carrie ...
of the high mountains. Strong and cold winds are frequent, particularly on exposed ridges and peaks, and can limit the growth of trees.


Flora

Plant communities include desert steppe, semi-desert steppe, mountain steppe, woodland, alpine, and wetlands. Desert steppe is found in the driest areas, and consists of low
xerophytic A xerophyte (from Greek ξηρός ''xeros'' 'dry' + φυτόν ''phuton'' 'plant') is a species of plant that has adaptations to survive in an environment with little liquid water, such as a desert such as the Sahara or places in the Alps or the ...
plants covering 25-30% of the ground. The semi-desert steppe consists of low annual herbs and grasses, including '' Artemisia fragrans,
Capparis spinosa ''Capparis spinosa'', the caper bush, also called Flinders rose, is a perennial plant that bears rounded, fleshy leaves and large white to pinkish-white flowers. The plant is best known for the edible flower buds (capers), used as a seasoning ...
, Bassia prostrata'', and ''
Poa bulbosa ''Poa bulbosa'' is a species of grass known by the common names bulbous bluegrass or bulbous meadow-grass. It is native to Eurasia and North Africa, but it is present practically worldwide as an introduced species. It is widespread in the United ...
''. Mountain steppes consist of herbs, shrubs, and grasses, which grow higher and are more diverse than the desert and semi-desert steppes. From 1500 to 2200 meters elevation, the main plant associations are cushion-like formations of ''
Artemisia austriaca ''Artemisia austriaca'' is a species of plants belonging to the family Asteraceae. Its native range is Europe to Western Siberia Western Siberia or West Siberia (russian: Западная Сибирь, Zapadnaya Sibir'; kk, Батыс Сі� ...
'' and ''Artemisia fragrans'' or species of ''
Astragalus ''Astragalus'' is a large genus of over 3,000 species of herbs and small shrubs, belonging to the legume family Fabaceae and the subfamily Faboideae. It is the largest genus of plants in terms of described species. The genus is native to tempe ...
,
Acantholimon ''Acantholimon'' (prickly thrift) is a genus of small flowering plants within the plumbago or leadwort family, Plumbaginaceae. They are distributed from southeastern Europe to central Asia and also in South America, but also cultivated elsewhere ...
'', and ''
Onobrychis __NOTOC__ ''Onobrychis'', the sainfoins, are a genus of Eurasian perennial herbaceous plants of the legume family (Fabaceae). Including doubtfully distinct species and provisionally accepted taxa, about 150 species are presently known. The Flora ...
'', or grasslands of ''
Poa bulbosa ''Poa bulbosa'' is a species of grass known by the common names bulbous bluegrass or bulbous meadow-grass. It is native to Eurasia and North Africa, but it is present practically worldwide as an introduced species. It is widespread in the United ...
'' and species of ''
Stipa ''Stipa'' is a genus of around 300 large perennial hermaphroditic grasses collectively known as feather grass, needle grass, and spear grass. They are placed in the subfamily Pooideae and the tribe Stipeae, which also contains many species f ...
,
Festuca ''Festuca'' (fescue) is a genus of flowering plants belonging to the grass family Poaceae (subfamily Pooideae). They are evergreen or herbaceous perennial tufted grasses with a height range of and a cosmopolitan distribution, occurring on every ...
'', and ''
Bassia ''Bassia'' is a genus of flowering plants in the family Amaranthaceae. They are distributed in the western Mediterranean to eastern Asia. Some occur outside their native ranges as introduced species.umbellifer Apiaceae or Umbelliferae is a family of mostly aromatic flowering plants named after the type genus ''Apium'' and commonly known as the celery, carrot or parsley family, or simply as umbellifers. It is the 16th-largest family of flowering plants ...
s of genera ''
Ferula ''Ferula'' (from Latin ''ferula'', 'rod') is a genus of about 220 species of flowering plants in the family Apiaceae, native to the Mediterranean region east to central Asia, mostly growing in arid climates. They are herbaceous perennial plants ...
'' and '' Prangos'' are common. Open steppe woodlands are predominantly of
juniper Junipers are coniferous trees and shrubs in the genus ''Juniperus'' () of the cypress family Cupressaceae. Depending on the taxonomy, between 50 and 67 species of junipers are widely distributed throughout the Northern Hemisphere, from the Arcti ...
(''Juniperus'') and almond. The trees form a sparse canopy, underneath which is a shrub layer of ''
Pistacia ''Pistacia'' is a genus of flowering plants in the cashew family, Anacardiaceae. It contains 10 to 20 species that are native to Africa and Eurasia from the Canary Islands, all of Africa, and southern Europe, warm and semidesert areas across As ...
,
Berberis ''Berberis'' (), commonly known as barberry, is a large genus of deciduous and evergreen shrubs from tall, found throughout temperate and subtropical regions of the world (apart from Australia). Species diversity is greatest in South America an ...
'', and ''
Rosa Rosa or De Rosa may refer to: People *Rosa (given name) * Rosa (surname) * Santa Rosa (female given name from Latin-a latinized variant of Rose) Places * 223 Rosa, an asteroid * Rosa, Alabama, a town, United States * Rosa, Germany, in Thuringia ...
'', and an herb layer with species of ''Astragalus'' and ''Artemisia''. Scattered areas of oak woodland occur between 800 and 2000 meters elevation where moisture and soils are favorable. Wetlands occur around the ecoregion's lakes and streams. Wetland vegetation is predominantly reeds and rushes, including
common reed ''Phragmites australis'', known as the common reed, is a species of plant. It is a broadly distributed wetland grass that can grow up to tall. Description ''Phragmites australis'' commonly forms extensive stands (known as reed beds), which may ...
(''Phragmites australis''),
cattails ''Typha'' is a genus of about 30 species of monocotyledonous flowering plants in the family Typhaceae. These plants have a variety of common names, in British English as bulrush or reedmace, in American English as reed, cattail, or punks, in ...
(''Typha'' spp.), the rush '' Scirpus tabernaemontani'', and the sedges '' Carex acuta, C. diluta'', and ''
Bolboschoenus maritimus ''Bolboschoenus maritimus'' is a species of flowering plant from family Cyperaceae. Common names for this species include sea clubrush, cosmopolitan bulrush, alkali bulrush, saltmarsh bulrush, and bayonet grass. It is found in seaside wetland hab ...
''. Alpine plant communities are found on the high peaks, including Ararat and Süphan. Characteristic plants are herbs and geophytes, with species of ''
Draba ''Draba'' is a large genus of flowering plants in the family Brassicaceae, commonly known as whitlow-grasses (though they are not related to the true grasses). Species There are over 400 species: *'' Draba abajoensis'' Windham & Al-Shehbaz *'' ...
,
Dracocephalum ''Dracocephalum'' is a genus of about 60Sonboli, A., et al. (2011)Molecular characterization of Iranian ''Dracocephalum'' (Lamiaceae) species based on RAPD data.''Acta Biologica Szegediensis'' 55(2), 227-30. to 70 speciesLazarević, P., et al. ( ...
,
Oxyria Oxyria is a genus of plants in the family Polygonaceae with three accepted species . It has a circumboreal distribution. Description Species of ''Oxyria'' are perennial herbaceous plants or weakly shrubby. They may have rhizomes. Their stems ar ...
,
Polygonum ''Polygonum'' is a genus of about 130 species of flowering plant in the buckwheat and knotweed family Polygonaceae. Common names include knotweed and knotgrass (though the common names may refer more broadly to plants from Polygonaceae). In t ...
'', '' Veronica,
Trollius ''Trollius'' is a genus of about 30 species of flowering plants closely related to ''Ranunculus'', in the family Ranunculaceae. The common name of some species is globeflower or globe flower. The generic name is derived from the Swiss-German word ...
,
Scilla ''Scilla'' () is a genus of about 30 to 80 species of bulb-forming perennial herbaceous plants in the family Asparagaceae, subfamily Scilloideae. Sometimes called the squills in English, they are native to woodlands, subalpine meadows, and sea ...
, Primula'', and ''
Gentiana verna ''Gentiana verna'', the spring gentian, is a species of flowering plant in the family Gentianaceae, and one of its smallest members, normally only growing to a height of a few centimetres. The short stem supports up to three opposing pairs of e ...
''.


Fauna

Large mammals include
brown bear The brown bear (''Ursus arctos'') is a large bear species found across Eurasia and North America. In North America, the populations of brown bears are called grizzly bears, while the subspecies that inhabits the Kodiak Islands of Alaska is kn ...
(''Ursus arctos''),
gray wolf The wolf (''Canis lupus''; plural, : wolves), also known as the gray wolf or grey wolf, is a large Canis, canine native to Eurasia and North America. More than thirty subspecies of Canis lupus, subspecies of ''Canis lupus'' have been reco ...
(''Canis lupus''), striped hyena (''Hyena hyena''), and
wild goat The wild goat (''Capra aegagrus'') is a wild goat species, inhabiting forests, shrublands and rocky areas ranging from Turkey and the Caucasus in the west to Turkmenistan, Afghanistan and Pakistan in the east. It has been listed as near threaten ...
(''Capra aegagrus'').


Protected areas

A 2017 assessment found that 8,202 km², or 5%, of the ecoregion is in protected areas. Protected areas include Charoimagh Protected Area, Sahand Protected Area, Marakan Protected Area, and Kiamaky Wildlife Refuge in Iran,
Sevan National Park Sevan National Park, is one of the four protected national parks of Armenia, founded in 1978 to protect Lake Sevan and the surrounding areas. It is under the jurisdiction of the Ministry of Environment and includes a research center, which moni ...
, Lake Arpi National Park, and
Khosrov Forest State Reserve Khosrov Forest State Reserve ( hy, Խոսրովի անտառ պետական արգելոց), is a nature reserve in Ararat Province of Armenia. The reserve is one of the oldest protected areas in the world having a history of about 1700 years. ...
in Armenia, Mount Ararat (Ağrı Dağı) National Park and Süphan Dağı in Turkey, and Arpachay State Nature Sanctuary in Azerbaijan.


External links

*


References

{{reflist Natural history of Anatolia Armenian Highlands Ecoregions of Armenia Ecoregions of Azerbaijan Ecoregions of Georgia (country) Ecoregions of Iran Ecoregions of Turkey Ecoregions of Asia Grasslands of Iran Geography of Iranian Kurdistan Geography of Turkish Kurdistan * * * Palearctic ecoregions Temperate grasslands, savannas, and shrublands