What is the population density of Longxi County, Dingxi City, Gansu Province?

Population density: 203 people/km2.

Longxi County is located in the southeast of Gansu Province, in the middle of Dingxi area, on the upper reaches of Weihe River, connected to Tongwei County in the east, Wushan and Zhang Xian in the south, Weiyuan County in the west and Dingxi City in the north. It is 52 kilometers wide from east to west and 46 kilometers long from north to south, with a total area of 2,408 square kilometers. It administers 10 town, 15 township, 280 villages, 24 neighborhood committees and 1670 villagers' groups, with a total population of 487,600, including 59,900 non-agricultural population and 427,600 agricultural population, with a population density of 203 people per square kilometer and 650,000 inhabitants. The county has achieved the goal of basically solving the problem of food and clothing, the poverty level in rural areas has dropped to 2.8%, and three villages have reached well-off standard.

Longxi is also the only place where the ancient Silk Road and the New Asia-Europe Bridge pass, with an area of 2,408 square kilometers and a population of 498,000. It has a long history and shines in the history of Chinese civilization. It has always been the seat of counties, prefectures and capitals, and once became the political, economic, cultural and military center of Longyou, and the earliest capital of Gansu Province.

Here, Zhong Ling is beautiful and full of people. Weiyuan building, an ancient building, is located in the center of the county, with a reputation of four; Provincial Forest Park, Renshou Mountain Pavilion, with beautiful scenery. Li originated in Longxi, and the "Longxi Guild Hall" is famous at home and abroad. _

The location here is superior and the transportation is convenient. To the east is the ancient capital Xi, and to the west is the provincial capital Lanzhou. Longhai Railway runs through the east and west, and Baolan Second Line passes through the territory. Dinglong Highway was completed and used, even Huo expressway crossed the border. Many countries, provinces, expressway and railways meet in Wenfeng Town, a "dry dock", and become a transportation hub connecting dozens of surrounding cities and counties.

Longxi County is located in Qin and Wu Xiang County is located in Han. In the long history of more than 2,000 years, Longxi has always been the seat of counties, prefectures and governments in past dynasties, and once became the earliest provincial capital, political, economic, military and cultural center of Longyou. Xia Xia Li originated in Longxi, and talented people came forth in large numbers in past dynasties. The study of Li culture in Longxi is in the ascendant. 1994, 1997 and 2000, the national Longxi Li culture seminar, the Longxi Li culture tourism festival, the second national Longxi Li culture seminar and the Longxi economic and trade fair for the western development were successfully held. Longxi will become one of the key counties to condense Chinese culture.

Longxi is one of the important producing areas of authentic medicinal materials in China. Traditional Chinese medicine has a long history of cultivation and excellent quality, and is known as the "Millennium Medicine Town". There are 3 13 kinds of Chinese herbal medicine resources in the county. The planting area of Chinese herbal medicines in the county has been stable at more than 260,000 mu for five consecutive years. Among them, Codonopsis pilosula, Radix Astragali, Radix Bupleuri and other authentic Chinese herbal medicines account for about 90% of the planting area of Chinese herbal medicines, and are important distribution centers of Chinese herbal medicines in China. The annual trading volume of Wenfeng and Shouyang exceeds 654.38+10,000 tons, and the trading volume exceeds 500 million. The Shanghai delegation took Longxi County as the planting base of Chinese herbal medicines in Shanghai after carefully inspecting the local Chinese herbal medicines planting, processing and sales.

administrative division

Changgong Town, where the county people's government is located, postal code: 748100; Code: 621122; Area code: 0932

Longxi County governs 9 towns and 8 townships: Changgong Town, Wenfeng Town, Shouyang Town, Caizi Town, fuxing town Town, Tonganyi Town, Tianyun Town, Biyan Town, Maha Town, Weiyang Township, Hongwei Township, Heping Township, Kezhai Township, Shuangquan Township, Dexing Township, Yongji Township and Quanjiawan Township.

topography

The terrain of the county is high in the northwest and low in the southeast, with an altitude of 16 12-2778 meters, which constitutes three belts of Nanshan, Chengchuan and Beishan. Beishan is the loess ridge and gully region, Chengchuan is the Weihe River valley plain, and Nanshan is the middle and low hilly region, with cultivated land of1/97800 mu. Suitable food crops include wheat, corn, potato, etc. 10, and cash crops mainly include flax, rape, medicinal materials, hemp, etc. Dangshen, Angelica sinensis, Astragalus membranaceus and other Chinese herbal medicines are of high quality and quantity, and sell well in domestic and foreign markets, forming a local fist product. Money meat, shredded pork noodles, ham and other local products are known as "the three wonders of Longyuan", as well as preserved mutton, buckwheat noodles and pickled donkey meat.

natural conditions

Located between the edge of the northwest loess plateau and the hilly area of Qinling branch, it is a typical loess ridge and valley landform. It constitutes three human settlements with obviously different conditions: Nanshan (Eryin area), Sichuan (Weihe Shuichuan area) and Beishan (arid area). The terrain is high in the northwest and low in the southeast. The county seat is located in the second terrace on the south bank of Weihe River, mainly in Quaternary strata, with loess as the upper part and gravel and pebbles as the lower part. The soil layer is basically stable except for the sunken loess, and the bearing capacity of the foundation is 12 ton-15 ton/m2. The basic earthquake intensity is seven degrees.

Climatic conditions

Longxi, located in the middle latitude inland, has a temperate continental monsoon climate with four distinct seasons, abundant sunshine and mild climate. The annual average precipitation is 445.8mm, and the evaporation1440 mm. The annual average sunshine hours are 2292 hours. The annual average temperature in the urban area is 7.7, the annual average frost-free period is 146 days, and the absolute frost-free period is only 97 days. Due to the influence of the atmospheric circulation in East Asia and the special terrain around the Qinghai-Tibet Plateau, the annual precipitation changes greatly. It is a farming-pastoral ecotone, suitable for agriculture and animal husbandry, with agriculture as the main factor. Sichuan and Beishan are mild and arid areas, which are suitable for wheat growth and are the main grain producing areas in the county. Nanshan is a cool and semi-humid area, and there are certain conditions for developing animal husbandry.

natural resource

1. Mineral resources

Marble mine: It is located on the bank of Weihe River about 2 kilometers southeast of Dongsishilipu in this county. The rock mass is 100 m-200 m wide and 420 m long, with an area of about 55,000 square meters, and the exploitable area is about 1.26 million cubic meters (1.65 million tons). After polishing, there are two kinds of marble plates, dark gray and light gray, with an annual output of 1700 square meters.

Limestone Mine: Located at Shimen, 2 1km southeast of the county, the project control length is 500 meters, the average thickness of the ore body section is 42.3 meters, and the prospective reserve is about 3 million tons. Weihe River and its tributaries are rich in limestone with an annual output of 654.38 million tons, which can meet the needs of industrial and civil buildings in this county.

Sand and clay: the quality of silty fine sand in Liaoxi River is the best, and the technical indicators fully meet the building requirements; Clay is distributed all over the county, especially in Hepu and Shouyang. The fired bricks and tiles are of high quality. There are more than 20 brick and tile factories in the county, with an annual production capacity of 65.438+0.5 billion pieces of machine-made bricks and 3 million pieces of machine-made tiles. The raw materials are good, the shape is positive, and the compressive strength is high, which is very popular in the market.

2. Water resources

Longxi County has 97.5 million cubic meters of surface water and storage water, and 80120,000 cubic meters of self-produced water. The total amount of water resources is 654.38+078 billion cubic meters, and the total annual exploitation can reach 33 million cubic meters. Urban per capita water resources are 65.8 cubic meters, and the current annual exploitation amount is10.70 billion cubic meters, accounting for only 50% of the exploitable amount. Weihe River flows through the county town of 46. 1 km, and seven tributaries in the north and south are beneficial to irrigation. The urban area is located in Weihe River, and the groundwater resources can meet the needs of industrial production and residents' living water.

Longxi business card

China Yaodu is one of the top ten Chinese herbal medicine bases.

The bright pearl on the new West Longhai-Lanzhou line is an ideal place for domestic and foreign businessmen to invest and start businesses, with superior location advantages, broad development space, rich industrial resources and good investment environment.

"Western Medicine Capital", "Millennium Medicine Capital", "Hometown of Astragalus in China", "Three Musts in Long Yuan" and "Hometown of Bacon in China".

Enterprises: Gansu Longxi Hua Kai Chemical Co., Ltd., Longxi Jinmao Trading Co., Ltd., Yuzhen Logistics Company, Gansu Khyron Starch Co., Ltd., Longxi Hengli Plastic Products Co., Ltd., Gansu Longyuan Meat Products Co., Ltd. and Longxi Holiday Hotel.

History and culture

Longxi Wenhua Li

Located in the west of Longshan City and beside the Weishui River, the county is one of the birthplaces of ancient civilization in China and also the birthplace of Chinese plum. In the long history, the majestic Longshan Mountain and the vast Weihe River gave birth to the rich and long-standing Li culture in Longxi, which is an important part of the excellent traditional culture of the Chinese nation and one of the four major cultures in Gansu, which are equally famous as Dunhuang culture, Tianshui Fuxi culture and Labuleng Temple Tibetan Buddhism culture.

Longxi is the birthplace of the Li clan, or because of taboo, Longxi County was abolished in the Tang Dynasty, but the word "Longxi" has always been remembered by the world as a symbol of the surname Li in the Tang Dynasty.

Yangshao Culture and Qijia Culture

Yangshao culture is the representative of the early Neolithic cultural sites in the Yellow River Basin. Widely distributed and concentrated in the Weihe River basin, especially in Gangu, Wushan, Longxi and Weiyuan. In Longxi area, many Yangshao cultural sites are preserved along the loess platform on the south bank of Weihe River. These sites are distributed from west to east, including Longtoushan Cultural Site in Shouyang Town, Liangjiaping Cultural Site in Changgu Township, Zhangjiaping Cultural Site in Changgong Town and Wenquan Mountain Cultural Site in Wenfeng Town.

A large number of cultural relics have been unearthed in cultural sites. There are stone knives, axes, arrows, pestles and other stone tools Bone instruments include osteotome, bone needle and so on. The most unearthed pottery, such as pottery knives, pottery rings, pottery spinning wheels, pottery utensils, etc. Pottery is mostly coarse pottery, in which painted pottery has a red surface, polished inside and outside, painted, such as arc triangle pattern and single line pattern along the mouth. In particular, the painted pottery with pointed bottom bottle is dazzling, unique and beautiful in shape, rigorous and smooth in decoration, which fully embodies the style and characteristics of Yangshao culture and is a treasure in painted pottery. Qijia culture is another type of culture in the late Neolithic period, named after it was first discovered in Zhengqijiaping, Gansu Province. Qijia culture is widely distributed in Weihe River Basin of Gansu Province. There are more than 20 sites in Fatong, Longxi, which are distributed on the loess platform on the north and south sides of Weihe River, including Hanjiaping and Meijiazui in Shouyang Township, Shajiazhuang and Moujiataizi in Caizi Township, Zhoujiazhuang in Changgong Town, Tangjiaping in Nan 'an Township, Hongshanggou in Tianyun Township and Yingpanping in Wenfeng Town. Cultural sites such as Baoziping.

In 200211year1October, the Central Civilization Office confirmed the list of cities nominated for national civilized cities in the founding period of 20021-2023, and Longxi County was on the list.

In June 2020, Longxi County was included in the second batch of revolutionary cultural relics protection and utilization counties (Long March District (Red Fourth Army)).

On October 29th, 2065438+091KLOC-0, Longxi County was named "the second batch of national agricultural product quality and safety counties" by the Ministry of Agriculture.

In September of 20 18, the list of comprehensive demonstration counties of rural e-commerce in 20 18 was released, and Longxi county was on the list.

On February 22, 20 18, Longxi county was included in the list of counties (cities, districts) with basically balanced development of compulsory education in China in 20 17.