uzbekistan nature

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ibroimova marjona group 108 a ibroimova marjona group 108 a theme: flora and fauna of uzbekistan uzbekistan nature uzbekistan's natural world is very diverse. it is composed of desert areas and snowy mountains, rivers and completely dry lands. the most part of its territory lies in the turon plain, where there are no sudden steep-drops and hills. the turon plate and mainland, which later became the tian shan and pamir -alai mountains, were formed in the paleolithic period. later, the sea covered the plate for a long time. the mountain chains are thought to have fully developed during the alps orogenesis. the mountain ranges blocked the humidity from the indian ocean. it caused considerable climatic change: the weather became dry and huge desert areas appeared. as rivers and winds kept changing their directions, the upper layer of soil was continuously displaced from one place to another. it led to the …

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deserts consists of unique bushes. wooden, bushy, grassy plants are well developed in low plains. tugays feature reeds and kendyrs. landscape of submountainous plains is characterized by grass, there are no trees, and bushes may be found along the water flows. various species of onion, tulips, rhubarb, irises grow here. high foothills feature dry steppes with motley grass on gray earth. ushes such as almond-tree, kurchava, cherry grove grow on stony sites. the most valuable wood species - zerafshani archa grows in lower mountains. deciduous species such as maple, hawthorn, various sorts of wild apple-trees, pistachio-tree, walnut-tree, birch, willow, poplar, cherry-tree are also widespread. lower mountains are rich in bushes: honeysuckle, barberry, dog-rose, meadow-sweet, bushes of wild grape. grasses are also very diverse: muscat sage, rhubarb, tulip, pskem onion (precious herb). middle mountains feature dog-rose and other bushes. only 30% of high mountains are covered with plants. mostly tipchak grows …

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lorda provinces) in the north and karakalpakstan, an autonomous region of uzbekistan, in the south. the name roughly translates as "sea of islands", referring to more than 1,534 islands that once dotted its waters. formerly one of the four largest lakes in the world with an area of 68,000 square kilometres (26,300 sq mi), the aral sea has been steadily shrinking since the 1960s after the rivers that fed it were diverted by soviet union irrigation projects. by 2007 it had declined to 10% of its original size, splitting into four lakes – the north aral sea and the eastern and western basins of the once far larger south aral sea and one smaller lake between north and south aral sea. by 2009, the south-eastern lake had disappeared and the south-western lake retreated to a thin strip at the extreme west of the former southern sea. the maximum depth of …

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late 16th century, the amu darya emptied into both the aral and the caspian seas, the latter via a large distributary called the uzboy river. the uzboy splits off from the main channel just south of the amudarya delta. sometimes, the flow through the two branches was more or less equal, but often, most of the amu darya's flow split to the west and flowed into the caspian. people began to settle along the lower amu darya and the uzboy in the 5th century a.d., establishing a thriving chain of agricultural lands, towns, and cities. the river was impounded in about 985 a.d. at the bifurcation of the forks by the massive gurganj dam, which diverted water to the aral. the dam was destroyed by genghis khan's troops in 1221, and the amu darya shifted its flows more or less equally between the main stem and the uzboy. but in …

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ed into central turkmenistan, but was never built. the aydarkul lake the aydar lake is part of the man-made aydar-arnasay system of lakes, which covers an area of 4,000 square kilometres (1,500 mi2). this system includes 3 brackish water lakes (aydar kul, arnasay and tuzkan) located in the saline depressions of the south-eastern kyzyl kum (now in uzbekistan and kazakhstan). the lakes are the unintentional byproduct of soviet planning. up to the middle of the last century the arnasay lowland remained a dry salt pan during most of the year. only in spring, in the lowlands, would the small, ephemeral lake tuzkan glisten briefly, disappearing in the hot weather. in the early sixties the syr darya was dammed up. simultaneously the chardarya irrigation dam was constructed. floodgates were provided in the dam for flood control, and when in 1969 a raging flood occurred, these were opened as the dam's capacity …

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ibroimova marjona group 108 a ibroimova marjona group 108 a theme: flora and fauna of uzbekistan uzbekistan nature uzbekistan's natural world is very diverse. it is composed of desert areas and snowy mountains, rivers and completely dry lands. the most part of its territory lies in the turon plain, where there are no sudden steep-drops and hills. the turon plate and mainland, which later became the tian shan and pamir -alai mountains, were formed in the paleolithic period. later, the sea covered the plate for a long time. the mountain chains are thought to have fully developed during the alps orogenesis. the mountain ranges blocked the humidity from the indian ocean. it caused considerable climatic change: the weather became dry …

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