What is the difference? Political, economic, geographical environment or?
1. Geology and landforms
The tropical characteristics of the Pearl River Delta are reflected in the river network: large water volume, low sediment content, many branching and radiating river channels, and the development of wide and deep water channels.
The Hexi Corridor has an arid climate, with annual precipitation in many places being less than 200 millimeters. However, the Qilian Mountains are rich in ice and snow melt water and irrigated agriculture is developed.
2. Climate
The tropical climate of the Pearl River Delta is manifested in four unclear seasons, no snow in three winters, evergreen trees, evergreen fields, and never-ending frost.
Cold wave weather often occurs in the Hexi Corridor in winter and spring. The main source of summer precipitation is the summer monsoon that invades this area. The climate is dry, with drastic changes in heat and cold, and is windy and sandy. From east to west, the annual precipitation decreases and the dryness increases.
3. Economic Development
About half of the Pearl River Delta's GDP is achieved through international trade, and its total foreign trade exports account for more than 10% of the country's total. Many companies supply most of their products to the international market. The basic way for the Pearl River Delta region to develop an export-oriented economy is to introduce capital, advanced technology, equipment and management from abroad. At the same time, this area has the advantages of being close to Hong Kong and Macao, being a hometown of overseas Chinese, having many excellent seaports, and having a rich labor force. Coupled with the preferential policies formulated by the state for this area, it has become a geomantic omen that attracts foreign investment and foreign companies to settle here. Treasure land. Now, this area has become one of the key overseas Chinese in the country. There are 5 million overseas Chinese and foreign Chinese living overseas, and more than 4 million compatriots from Hong Kong and Macao.
The Hexi Corridor Irrigated Agricultural Area has a long history. It is one of the important agricultural areas in Gansu Province and a famous irrigated agricultural area in the inland northwest of my country. It is the most important commercial grain base and concentrated production area of ??cash crops in the northwest region. Mainly engaged in agriculture in the oasis area. Tibetans, Yugu people, Kazakhs and Mongolians are engaged in animal husbandry. Mineral resources include Yumen Petroleum, Shandan Coal, Jinchang Nickel and many other metals. It is currently the main road connecting eastern China and Xinjiang and is an important area for border defense in the northwest.