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The Altai steppe and semi-desert
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 ...
(WWF ID: PA0802), as its name indicates, sits in a transition zine between steppe and semi-desert, supporting sparse grass and shrublands. The area is relatively undeveloped, with agriculture mostly represented by grazing livestock. There are a few shallow lakes in depressions used by migratory birds.


Location and description

The ecoregion is situated between steppe on its south (the Emin Valley steppe ecoregion) and conifer forests to its north (the Altai montane forest and forest steppe ecoregion). To the west is the
Kazakh semi-desert The Kazakh semi-desert is an ecoregion in the deserts and xeric shrublands biome, located in Kazakhstan. The climate is semi-arid and continental, with a total annual precipitation of , and mean temperatures in January averaging and in July . It i ...
ecoregion and to the east is the Junggar Basin semi-desert and
Lake Zaysan Lake Zaysan (, ''Zaısan kóli'', زايسان كؤلئ, ; , ''Zaisan nuur'', en: ''Noble lake''; , ''Ozero Zajsan''; , Xiao'erjing: جَىْصْا پْ; dng, Җэсонпә) is a freshwater lake, ca. 1,810 km² (700 mi²), in eastern Ka ...
. The Irtysh River runs along the northeast of the ecoregion, and the Tarbagatay Mountains along the south. A small portion of the ecoregion reaches into China.


Climate

The climate of the ecoregion is '' Humid continental climate, warm summer'' (
Köppen climate classification The Köppen climate classification is one of the most widely used climate classification systems. It was first published by German-Russian climatologist Wladimir Köppen (1846–1940) in 1884, with several later modifications by Köppen, notabl ...
(Dfb)). This climate is characterized by large seasonal temperature differentials and a warm summer (at least four months averaging over , but no month averaging over .


Flora and fauna

The ground cover is grassland, shrubs, and bare rock. Use of the land for livestock range is putting pressure on wildlife. The Manrak ridge in the southeast of the region is an important area for birds, with 121 species identified.


See also

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List of ecoregions in China {{Short description, none The following is a list of terrestrial ecoregions of the People's Republic of China and the Republic of China, according to the World Wide Fund for Nature. The transition between two of the planet's eight terrestrial bioge ...


References

{{reflist Ecoregions of China Ecoregions of Kazakhstan Palearctic ecoregions Temperate grasslands, savannas, and shrublands