Altai Steppe And Semi-desert
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Altai Steppe And Semi-desert
The Altai steppe and semi-desert ecoregion (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 ecoregion and to the east is the Junggar Basin semi-desert and Lake Zaysan. 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 (Dfb)). This climate is characterized by l ...
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Palearctic
The Palearctic or Palaearctic is the largest of the eight biogeographic realms of the Earth. It stretches across all of Eurasia north of the foothills of the Himalayas, and North Africa. The realm consists of several bioregions: the Euro-Siberian region; the Mediterranean Basin; the Sahara and Arabian Deserts; and Western, Central and East Asia. The Palaearctic realm also has numerous rivers and lakes, forming several freshwater ecoregions. The term 'Palearctic' was first used in the 19th century, and is still in use as the basis for zoogeographic classification. History In an 1858 paper for the ''Proceedings of the Linnean Society'', British zoologist Philip Sclater first identified six terrestrial zoogeographic realms of the world: Palaearctic, Aethiopian/ Afrotropic, Indian/ Indomalayan, Australasian, Nearctic, and Neotropical. The six indicated general groupings of fauna, based on shared biogeography and large-scale geographic barriers to migration. Alfred W ...
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Irtysh River
The Irtysh ( otk, 𐰼𐱅𐰾:𐰇𐰏𐰕𐰏, Ertis ügüzüg, mn, Эрчис мөрөн, ''Erchis mörön'', "erchleh", "twirl"; russian: Иртыш; kk, Ертіс, Ertis, ; Chinese: 额尔齐斯河, pinyin: ''É'ěrqísī hé'', Xiao'erjing: عَعَرٿِسِ حْ; ug, إيرتيش, Әртиш, ''Ertish''; tt-Cyrl, Иртеш, , , Siberian Tatar: Эйәртеш, ''Eya’rtes’'') is a river in Russia, China, and Kazakhstan. It is the chief tributary of the Ob and is also the second longest tributary river in the world after Paraná River. The river's source lies in the Mongolian Altai in Dzungaria (the northern part of Xinjiang, China) close to the border with Mongolia. The Irtysh's main tributaries include the Tobol, Demyanka and the Ishim. The Ob-Irtysh system forms a major drainage basin in Asia, encompassing most of Western Siberia and the Altai Mountains. Geography From its origins as the ''Kara-Irtysh'' (Vast Irtysh, kara means Vast in Turkic lang ...
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Ecoregions Of Kazakhstan
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 land or water, and contain characteristic, geographically distinct assemblages of natural communities and species. The biodiversity of flora, fauna and ecosystems that characterise an ecoregion tends to be distinct from that of other ecoregions. In theory, biodiversity or conservation ecoregions are relatively large areas of land or water where the probability of encountering different species and communities at any given point remains relatively constant, within an acceptable range of variation (largely undefined at this point). Three caveats are appropriate for all bio-geographic mapping approaches. Firstly, no single bio-geographic framework is optimal for all taxa. Ecoregions reflect the best compromise for as many taxa as possible. Sec ...
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Ecoregions Of 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 biogeographic realms – the Palearctic, which includes temperate and boreal Eurasia, and Indomalaya, which includes tropical South and Southeast Asia – extends through southern China. Tropical and subtropical moist broadleaf forests * Guizhou Plateau broadleaf and mixed forests * Hainan Island monsoon rain forests * Jiang Nan subtropical evergreen forests * Northern Indochina subtropical moist forests * South China Sea Islands * South China-Vietnam subtropical evergreen forests * South Taiwan monsoon rain forests (Taiwan) * Taiwan subtropical evergreen forests (Taiwan) * Yunnan Plateau subtropical evergreen forests Temperate broadleaf and mixed forests * Central China loess plateau mixed forests * Changbai Mountains mixed forests ...
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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 biogeographic realms – the Palearctic, which includes temperate and boreal Eurasia, and Indomalaya, which includes tropical South and Southeast Asia – extends through southern China. Tropical and subtropical moist broadleaf forests * Guizhou Plateau broadleaf and mixed forests * Hainan Island monsoon rain forests * Jiang Nan subtropical evergreen forests * Northern Indochina subtropical moist forests * South China Sea Islands * South China-Vietnam subtropical evergreen forests * South Taiwan monsoon rain forests (Taiwan) * Taiwan subtropical evergreen forests (Taiwan) * Yunnan Plateau subtropical evergreen forests Temperate broadleaf and mixed forests * Central China loess plateau mixed forests * Changbai Mountains mixed forests * ...
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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, notably in 1918 and 1936. Later, the climatologist Rudolf Geiger (1894–1981) introduced some changes to the classification system, which is thus sometimes called the Köppen–Geiger climate classification system. The Köppen climate classification divides climates into five main climate groups, with each group being divided based on seasonal precipitation and temperature patterns. The five main groups are ''A'' (tropical), ''B'' (arid), ''C'' (temperate), ''D'' (continental), and ''E'' (polar). Each group and subgroup is represented by a letter. All climates are assigned a main group (the first letter). All climates except for those in the ''E'' group are assigned a seasonal precipitation subgroup (the second letter). For example, ''Af'' indi ...
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Humid Continental Climate
A humid continental climate is a climatic region defined by Russo-German climatologist Wladimir Köppen in 1900, typified by four distinct seasons and large seasonal temperature differences, with warm to hot (and often humid) summers and freezing cold (sometimes severely cold in the northern areas) winters. Precipitation is usually distributed throughout the year but often do have dry seasons. The definition of this climate regarding temperature is as follows: the mean temperature of the coldest month must be below or depending on the isotherm, and there must be at least four months whose mean temperatures are at or above . In addition, the location in question must not be semi-arid or arid. The cooler ''Dfb'', ''Dwb'', and ''Dsb'' subtypes are also known as hemiboreal climates. Humid continental climates are generally found between latitudes 30° N and 60° N, within the central and northeastern portions of North America, Europe, and Asia. They are rare and is ...
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Tarbagatay Mountains
The Tarbagatai Mountains ( mn, , , translit. ''Tarvagatai nuruu'', literally: "range with marmots"; ; kk, Тарбағатай жотасы, ''Tarbağatai jotasy'') are a range of mountains located in the north-western parts of Xinjiang, China, and the Abai Region of East Kazakhstan. The name of the mountain derived from Mongolian word: in Traditional Mongolian alphabet: mn, ( "tarvaga", meaning "marmot") with suffix mn, ( "-tai"; literally "to have" or "with"). Many Tarbagan marmot live in this mountain range. Their name does not have a direct translation from the English in Mongolian, as it would mean "marmot's marmot". An eastern extension of the Tarbagatai is the Saur Range. Drainage As it is common for mountain ranges, there is more precipitation in the Tarbagatai mountains than in the adjacent flatlands. The mountains are thus an important watershed. Streams from the northern slopes of the Tarbagatai flow into Lake Zaysan, which eventually drains (via the Irt ...
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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 Kazakhstan, in a hollow between the Altai and the Tarbagatai Mountains. It is the largest lake in the East Kazakhstan Region. The lake lies at an altitude of 420 m, is 105 km long and 22–48 km wide, with a maximum depth of 15 m. Its major tributaries are the ''Kara Irtysh'' (Black Irtysh) and Kendyrlyk from the east; its only outlet is the Irtysh River (or White Irtysh). The lake is generally frozen from the beginning of November to the end of April, but still has an abundance of fish. Since the construction of the Bukhtarma dam on the Irtysh downstream from the Zaysan, the lake has risen 6 m (20 ft) above its natural level. As the result, the area of lake essentially increased (nearly doubled: from about 1,800 k ...
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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 semi-humid. The habitat type differs from tropical grasslands in the annual temperature regime as well as the types of species found here. The habitat type is known as prairie in North America, pampas in South America, veld in Southern Africa and steppe in Asia. Generally speaking, these regions are devoid of trees, except for riparian or gallery forests associated with streams and rivers. Steppes/shortgrass prairies are short grasslands that occur in semi-arid climates. Tallgrass prairies are tall grasslands in areas of higher rainfall. Heaths and pastures are, respectively, low shrublands and grasslands where forest growth is hindered by human activity but not the climate. Tall grasslands, including the tallgrass prairie of North Am ...
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Junggar Basin Semi-desert
Dzungaria (; from the Mongolian words , meaning 'left hand') is a geographical subregion in Northwest China that corresponds to the northern half of Xinjiang. It is thus also known as Beijiang, which means "Northern Xinjiang". Bounded by the Altai Mountains to the north and the Tian Shan mountain range to the south, Dzungaria covers approximately , and borders Kazakhstan to the west and Mongolia to the east. In contexts prior to the mid-18th century Dzungar genocide, the term "Dzungaria" could cover a wider area, conterminous with the Oirat-led Dzungar Khanate. Although Dzungaria is geographically, historically, and ethnically distinct from the Tarim Basin (or Nanjiang, ), the Manchu-led Qing dynasty integrated both areas into one province, Xinjiang. Dzungaria is Xinjiang's center of heavy industry, generates most of the region's GDP, and houses its political capital Ürümqi ( Oirat for 'beautiful pasture'). As such, Dzungaria continues to attract intraprovincial and interpr ...
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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 is a transitional area between the steppes and the deserts of Central Asia and supports flora found in both biomes, predominantly grasses, particularly ''Stipa'' species, and shrubs such as '' Artemisia'' species. A number of mammals and birds are found in this ecoregion but the habitat is threatened by overgrazing and fragmentation from human encroachment. However, a recent reduction in livestock numbers in Kazakhstan is allowing the native plants a greater opportunity to regenerate. Setting The Kazakh semi-desert is an ecotone between the Kazakh Steppe to the north and the Central Asian northern desert to the south, running in a band across central Kazakhstan. The climate here is semi-arid and highly continental. Precipitation averag ...
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