Ledu district, also known as “Drotsang County”, is a municipal district under Haidong City, Qinghai Province. It is the seat of Haidong City, the downtown area of Haidong. Ledu District is located in the eastern part of Qinghai Province.
It is adjacent to the Xining city center to the west, Minhe County to the east, Hualong County to the south, and Huzhu County to the north. It is 34 kilometers long from north to south, 23 kilometers wide from east to west, with a total area of 2821 square kilometers. Most of the territory is mountainous area. The district seat is Nianbo Town. It was called Huangshui County in ancient times, about 63 kilometers west of the provincial capital Xining City, 168 kilometers east of Lanzhou City, the capital of Gansu Province.
Best time to travel July-September
Local climate Inland semi-arid climate
Most popular sites
Qutan Temple, also known as “Drotsang Monastery”, is a national key cultural relics protection unit. It is one of the few Chinese Buddhist temples in Qinghai. The annual flower fair in Qutan Temple is a famous folk event in Qinghai. It is also a national key cultural relics protection unit. Qutan Temple is about 21 kilometers away from the city. This large-scale Tibetan Buddhist monastery with Chinese architectural style was founded in 1392 AD.
Liuwan Cemetery, 15 kilometers east of Ledu District, on the north bank of the Huangshui River. The cemetery is located on the white soil slope of the mountain behind the village. It covers an area of 112,500 square meters. It is a public cemetery in the late primitive society. The group is also a representative of Majiayao culture in the Neolithic Age. More than 170 Neolithic and Bronze Age tombs have been excavated, such as the Majiayao culture, Banshan type, Machang type, Qijia culture, Xindian culture, etc. The archaeological department of Qinghai Province carried out a large-scale investigation of the tombs from 1974 to 1980. A total of 1,370 tombs of the Neolithic and Bronze Age including Majiayao culture, Machang type, Qijia culture, Xindian culture and other Neolithic and Bronze Age tombs were excavated. Pottery, stone tools, bone tools, green forest stones, seashells were unearthed. 37529 such cultural relics have high archaeological and ornamental value.
Geography and climate
The mountains in Ledu are layered, and the Huangshui River flows from west to east. Taking Huangshui as the boundary, the northern and southern parts are the geographical constituent units of the Qilian Mountains and Laji Mountains, and the Ledu Basin is formed by the Daxia Uplift in the west and Laoyaxia in the east. The overall terrain slopes from west to east, high in the west and low in the east, with a stepped distribution, with an altitude between 1850 meters and 4480 meters above sea level
The area of the county is a typical transition zone between the Qinghai-Tibet Plateau and the Loess Plateau, and it is divided into four types:
-1), From 3000 meters above sea level to below the snow line (3700 meters), it is the stone mountain forest grassland area, with deep valleys and steep mountains;
-2), Between 2800-3000 meters above sea level, it is the Naoshan farming area, the terrain is low, round, undulating, and the gully is not deep;
-3), Between 2000 and 2800 meters above sea level, it is a shallow hilly loess hilly area with vertical and horizontal gullies, deep gullies and large slopes, serious soil erosion and sparse vegetation;
-4), Between 1850-2000 meters above sea level, it is the River Valley Basin, with flat terrain and fertile soil, which is the main farming area.
Because Ledu District is located on the edge of the Qinghai-Tibet Plateau, which is inland, so that it is affected by the Indian Ocean monsoon in summer for half a year and the westerly circulation in winter for half a year, forming a continental climate with not hot in summer, dry and windy, the four seasons are not distinct
The annual average temperature is 6.9℃. The highest temperature is in July, with an average of 18.6℃; January has the lowest temperature, with an average of -7.2℃; the average annual temperature range is 25.8℃.
The annual average sunshine hours is 2665 hours. The rainfall in the area is small but concentrated and unevenly distributed. The average annual rainfall is 330 mm and the frost-free period is 217 days.
Population and ethnic group
As of the end of 2011, the population was 360,200, and there were 15 ethnic groups including Tibet, Qiang, Tu and Han. The Han nationality accounted for the majority, and the Han population was approximately 231,000.
Before the Qin and Han dynasties, Ledu belonged to the Qiang Rong region.
In 111 BC, the Han army entered the Huangshui Valley, and the Ledu area was included in the territory of the Han Dynasty.
In 60 BC, Poqiang County was established and belonged to Jincheng County.
During the Southern and Northern Dynasties, Nanliang ruled the country and became the capital of Ledu.
In 526 AD, Ledu County was changed to Shanzhou, and Xidu County was moved to Ledu.
In 598 AD, Xidu County was changed to Huangshui County, under the jurisdiction of Shanzhou.
In 677 AD, the Shanzhou Dudu Mansion was set up to supervise the military and political affairs of the four states of Shan, He, Lan, and Kuo.
In 714 AD, the Tang Dynasty set Longyou Jiedu to Shanzhou and governed Longyou 12 prefectures, making Ledu the political and economic center of the northwestern region.
In the Song Dynasty, it was called Miaochuan, Huangzhou, and Lezhou.
During the Yuan Dynasty, Ledu belonged to Xining Prefecture.
In the Ming Dynasty, Nianbowei and Xiningwei Nianboyou Thousand Households were established successively, and it was changed to Nianbo County in the third year of Yongzheng in Qing Dynasty.
In the eighteenth year of the Republic of China (1929), Qinghai was established as a province, and Nianbo County was changed to Ledu County, which was subordinate to Qinghai Province.
In 1979, the Haidong Prefecture was designated, and the county government was located in Nianbo Town.
In 2013, the Haidong area was withdrawn to form a city, and Ledu was withdrawn from a county to form a district, becoming the urban area of Haidong City