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Geographical knowledge of Xilinhot city

Xilinhot is located in the middle of Inner Mongolia Autonomous Region, just north of the capital Beijing, and is the seat of Xilin Gol League. Geographical coordinates are 43 02'-44 52' north latitude and11518'-117 06' east longitude. The city is 208 kilometers long from north to south and 143 kilometers long from east to west, with a total area of 14785 square kilometers, including 37.5 square kilometers in the urban built-up area. At the end of 20 15, the resident population was 263,000, including 30 ethnic groups including Mongolian, Han, Hui, Tibetan, Buyi, North Korea, Uygur and Ewenki, among which the Mongolian population was 50,900, accounting for 19.4% of the total population. It is a frontier minority area with Mongolian as the main body, Han as the majority and multi-nationalities.

Xilinhot is high in the south and low in the north, with low mountains and hills in the south and gentle wavy plains in the north, with an average elevation of 988.5 meters. Located in the mid-latitude westerly airflow zone, it belongs to the mid-temperate semi-arid continental climate, with an average annual precipitation of 294.9 mm and a frost-free period of 1 10 days. Available grassland area is 20.68 million mu, forest land is 470,000 mu, and cultivated land is 255,000 mu, with diverse animal and plant resources and complete grassland types. The number of days with excellent air quality was 345, with an average excellent air quality rate of 95.3% and per capita urban park green area of 17.9.

Square meters, the green coverage rate is 36. 1%. The total annual water resources is 260 million cubic meters, and the available amount is 65.438+56 million cubic meters. Xilinhe Reservoir has a storage capacity of 20.03 million cubic meters and an annual water supply capacity of 8.75 million cubic meters.