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Encyclopedia Britannica - Main :: TOO-TUM |
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TRANSBAIKALIA (sometimes also known as Muria) , a province of Eastern Siberia, lying E. of Lake Baikal, with the government of Irkutsk on the N.W. and N., the provinces of Amur and Manchuria on the E. and Mongolia on the S. Its area (232,846 sq. m.) is nearly as large as that of Austria-Hungary, but its population does not much exceed half a million. Transbaikalia forms an intermediate link between Siberia, Mongolia and the northern Pacific littoral. The Yablonoi Mountains, which run north-east from the sources of the Keruleii to the bend of the Olekma in 56 N., divide the province into two quite distinct parts; to the west, the upper terrace of the high east Asian plateau, continued from the upper Selenga and the Yenisei (4000 to 5000 ft. high) towards the plateau of the Vitim (3500 to 4000 ft.); and to the east the lower terrace of the same plateau (2800 ft.), forming a continuation of the eastern Gobi. Beginning at Lake Baikal, a valley, deep and broad, penetrates the north-western border- ridge
ridge
dome -shaped rounded summits (gohsy) rise above the limits of tree vegetation, but do not reach the snow-line (here above 10,000 ft.). The high plateau itself has the aspect of an undulating table-land, intersected by ranges, which rise some 1500 or 2000 ft. above its surface, and are separated by broad, flat, marshy valleys, traversed by sluggish meandering streams. The better drained valleys have fine meadow lands, while the hills are clothed with forests (almost exclusively of larch and birch). Numberless lakes and ponds occur along the river courses. Tunguses hunt in the forests and meadows, but permanent agricultural settlements are impossible, corn seldom ripening on account of the early frost. The lower parts of the broad, flat valley of the Jida have, however, a few Cossack settlements, and Mongolian shepherds inhabit the elevated grassy valleys about Lake Kosso-gol (5300 ft. above the sea). Quite different is the lower terrace of the plateau, occupied by the eastern Gobi and the Nerchinsk region, and separated from the upper terrace by the Yablonoi range. This last is the south-eastern border-ridge of the higher terrace. It rises to 8o35 ft. in the Sokhondo peak, but elsewhere its dome -shaped summits do not exceed 5000 or 6000 ft. Numberless lakes, with flat undefined margins, feed streams which join the great north-going rivers or the Amur and the Pacific. Low hills rise above the edge of the plateau, but the slope is abrupt towards the south-east, where the foot-hills of the Yablonoi are nearly 1500 and 2000 ft. lower than on the north-west. Climate, flora and fauna change suddenly as soon as the Yablonoi has been crossed. The Siberian flora gives way to the Daurian flora, and this. is in turn exchanged for the Pacific littoral flora on the Manchurian plains and lowlands.The lower terrace has the character of a steppe, but is intersected by a number of ranges, plications of Silurian
The rivers belong to three different systemsthe affluents of Lake Baikal, of the Lena and of the Amur. Of the first the Selenga (800 m. long) rises in north-west Mongolia, one of its tributaries (the Egin-gol) being an emissary of Lake Kosso-gol. The Chikoi, Khilok and Uda are its chief
recent
Chita
Chita
Lake Baikal, with an area of 13,200 sq. m. (nearly equal to that of Switzerland), extends in a half crescent from south-west to north-east, with a length of nearly 400 m. and a width of 20 to 5o m. Its level is 1,500 ft. above the sea.' The wide delta of the Selenga narrows it in the middle, and renders it shallower in the east than in the west. The other lakes include the Gusinoye and Lake Ba-unt on the Vitim plateau. Many lakes yield common salt. The high plateau is built up of granites, gneisses and syenitcs, overlain by Laurentian schists. Silurian
recent
The climate is, as a whole, exceedingly dry. The winter is cold and dry, the thermometer dropping' as low as 58 F. But the snow is so trifling that the horses of the Buryats are able to procure food throughout the winter on the steppes, and in the very middle of the winter wheeled vehicles are used all over the west. To the east of the Yablonoi ridge the Nerchinsk district feels the influence of the North Pacific monsoons, and snow falls more thickly, especially in the valleys; but the summer is hot and dry. On the high plateau even the summer is cold, owing .to the altitude and the humidity arising from the marshes, and the soil is frozen to a great depth. At Chita the daily range in summer and spring is sometimes as much as 33 to 46 In the vicinity of Lake Baikal there is a cooler summer; in winter exceedingly deep snow covers the mountains around the lake .2The estimated population in 1906 was 742,200. The Russian population is gathered around the mines of the Nerchinsk district, while the steppes are occupied by the Buryats. A string
' There is uncertainty as to the absolute altitude (see BAIKAL). ' See Das Klima von Ost-Siberien," by A. Woyeikow, in Meteorol. Zeitschrift (1884): Russia proper, rank amongst the finest representatives of the Russian race. The remainder of the steppe of the Uda is occupied by Buryats, while the forests and marshes of the plateau are the hunting grounds of the nomad Tunguses. South of the Khamar-daban the only settled region is the lower valley of the Jida. On the Upper Argun the Cossacks are in features, character, language and manners largely Mongolian. . The Russians along the Chinese frontier constitute a separate voisko or division of the Transbaikal Cossacks. The Buryats number about x8o,000, the Tunguses over 3o,000. The province is divided into five districts, the chief
capital , Barguzin, Nerchinsk, Selenginsk and Verkhneudinsk.Although a good deal of land has been cleared by the settlers, nearly one-half of the entire area is still covered with forests. The principal varieties are fir, larch, aspen, poplar and birch, with . Abies pectinata in. the north and the cedar in the south. Only about one-third of the surface is adaptable for cultivation, and of that only about one-tenth is actually under tillage. Agriculture is carried on to a limited extent by the Buryats and in all the Russian settlements; but it prospers only in the valleys of West Transbaikalia, and partly in the Nerchinsk region, while in the steppes of the Argun and Onon even the Russians resort to pastoral
spring . Hunting is an important occupation, even with the Russians, many of whom leave their homes in October to spend six weeks in the taiga (forest region). The fisheries of Lake Baikal and the lower parts of its affluents are important. Enormous quantities of Salmo omul are taken every year; and S. thymalus, S. oxyrhynchus and S. fluviatilis are also taken. Mining, and especially gold mining, is important, but the production of gold has fallen off. Silver mines have only a very small output. Iron mining is gradually developing, and good coal mines are now being worked. Salt is raised from several lakes, and the extraction of Epsom salts has considerably developed. Manufactures, though insignificant, have increased. The trade is chiefly concentrated at Kiakhta. The Cossacks on the frontier traffic in brick-tea, cattle and hides with Mongolia. The export of furs is of considerable value.Transbaikalia is crossed by the Trans-siberian railway from Mysovaya on Lake Baikal, via Chita, to Stryetensk, and from Kaidalovo, near Chita, to the Mongolian frontier; the latter section is continued across Manchuria to Vladivostok and Port Arthur. Regular steamer communication has been established along Lake Baikal, not only for the transport of passengers and goods between the two railway stations of Listvinichnoye and Mysovaya, but also with the object of developing the fishing industry, which is of great importance. Steamers ply up the Selenga river as far as Selenginsk, considerable cargoes of tea being transported along this line. End of Article: TRANSBAIKALIA (sometimes also known as Muria) If you wish, you can link directly to this article.
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