uzbekiston tabiatining florasi va faunasi

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flora and fauna flora and fauna 108 a group qulmurodova uzro 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 formation of the kyzyl kum and kara …

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ndyrs. 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 here. fauna like flora, uzbekistan’s fauna is also very diverse. one can find many representatives of asian fauna. among …

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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 the north aral sea is 42 m (138 ft) (as of 2008). the region's once prosperous fishing industry has been virtually destroyed, bringing unemployment and economic hardship. the aral sea …

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flora and fauna flora and fauna 108 a group qulmurodova uzro 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 …

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