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Chongming Island

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Chongming Island is a large alluvial island located in the Yangtze River. It sits in East China where the river meets the East China Sea. The island divides the Yangtze into two distinct channels. One channel flows to the north and the other to the south. Chongming is the northernmost part of the Shanghai municipality. It is about two hours away from central Shanghai.

Txu-pclmaps-oclc-22834566 h-12b
Txu-pclmaps-oclc-22834566 h-12b

The island is an alluvial feature, meaning it was formed by river sediment. This process makes the land shape change quite often. The island has an average elevation of 3 meters above sea level. The northwest and central areas are slightly higher than the east and southwest. The island includes the islands of Changxing and Hengsha. Together, these three form the Chongming District. Most of the island belongs to Shanghai, but the north shore is unique. Two pene-exclaves of Jiangsu province sit on the northern coast. These are small pieces of land that are almost entirely surrounded by Shanghai.

Shanghai S7 map
Shanghai S7 map

Historically, Chongming began as two separate shoals named Xisha and Dongsha. These appeared during the Wude Era of the Tang dynasty. They were originally located south of the island of Dongbuzhou. Over many centuries, the Yangtze River floods caused the islands to shift. New islands like Yaoliusha and Sansha rose from the water at different times. Other islands, such as Yingqiansha and Matuosha, formed during the Yuan dynasty. However, the shifting sands made the area unstable. The county seat had to be moved repeatedly because of these changes. In the 14th century, the area was organized within Yangzhou.

During the Ming and Qing dynasties, the island's geography was very active. Many new shoals arose, such as Ma'ansha and Gaomingsha. Some of these lasted for a long time, while others sank quickly. Between 1522 and 1722, many islands flooded or collapsed back into the river. For example, the islands of Yaoliusha and Sansha eroded away. Xisha and several others also sank during this period. By 1681, the remaining islands merged to form the modern shape of Chongming. Although it was more unified by then, the island was still much smaller than it is today.

The population and economy of the island have changed significantly over time. Early settlers were mostly fishermen and salt collectors. They operated a principal saltern at Tianci. Later, migrants from Pudong and Songjiang introduced cotton cultivation. They produced textiles to send to developed areas like Hangzhou. In the modern era, large-scale reclamation projects changed the land. These projects worked on the northern and eastern tidal flats. Because of this work, the island's size doubled between 1950 and 2010. Today, the island is a center for shipbuilding and maritime equipment. The Chongming Industrial Zone was established in 1994.

Nature and tourism are very important to the island today. It is home to several protected areas and parks. Dongping National Forest Park is located in the center of the island. It is the largest forest park in Shanghai. The island also contains the Dongtan Nature Reserve and the Chongxi Wetland Park. In the water, scientists have found stable numbers of endangered finless porpoises. These animals belong to two different subspecies. The island is divided into three main tourism zones: East, Central, and West Chongming. Each zone offers different activities, such as visiting wetlands or orchards.

Cultural traditions still thrive on Chongming Island. The island features several religious sites, including the Chongming Confucian Temple.

Confucian temple statues
Confucian temple statues

There are also many annual festivals held throughout the year. These include the Shanghai Chongming Forest Travel Festival and the Chongming Hairy Crab Festival. There is even a national cricket fighting tournament held in October. This event takes place outside the Xilai Ranch in Lühua. Additionally, the island hosts the Tour of Chongming Island. This is an elite international women's cycling race. These events help connect the island's history to its modern life.

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File:Confucian temple statues.jpg
Confucian temple statues.jpg
File:Shanghai S7 map.svg
Shanghai S7 map.svg
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