What is the southernmost tip of Chinese mainland?

The southernmost tip of Chinese mainland is xuwen county.

Xuwen county, which belongs to Zhanjiang City, Guangdong Province, is located at the southernmost tip of Chinese mainland, with Qiongzhou Strait in the south, Hainan Island across the sea, South China Sea in the east, Beibu Gulf in the west and Leizhou City in the north. It is located between east longitude10952' and east longitude1035' and north latitude 2013', with a total land area of 1979.6 square kilometers. Xuwen County has a tropical monsoon climate with abundant sunshine and abundant solar radiation energy.

Xuwen county is located in the southeast edge of Caledonian fold uplift belt in Guangdong and Guangxi, the southeast end of Yunkai ancient land and the southern end of Wuchuan-Sihui fault. Basalt is the product of Quaternary volcanic eruption, covering almost the whole area. It belongs to low hilly platform topography, mainly composed of Quaternary lava landform and marine landform. The terrain is inclined from north to east, west and south along the coast, and it is higher in the north, with an altitude of100-150m.

Xuwen county is located in the tropics and has a tropical monsoon climate. It is sunny and hot all year round, with an average annual temperature of 23.3℃ and an average annual rainfall of 1.364 mm.

Marine resources:

Xuwen county is surrounded by the sea on three sides, with a coastline of 37 1.5 km, of which the coastline of the island is 102.55438+0 km, making it one of the counties with long coastline in Guangdong province. The completed seawall is 139.86 km.

China has many islands and more than 60 natural harbors dotted with them. The main islands are Xinliao Island, Liuji Island, Beili Island, Dongsong Island and Luodousha. The main ports are haian port, North Port Wharf of Guangdong-Hainan Railway, Hai 'an New Port, Wailuo, Xindi, Baoxi, Fenglong, Boshe, Chikan, Dajing, Shuiwei, Shima and Tangsan.

There are shallow sea fishing grounds, Kaer fishing grounds, Shajiao fishing grounds, Honggoukou fishing grounds and Waibatou fishing grounds in the east, Sitang fishing grounds and Sandun fishing grounds in the south, Baoxi fishing grounds and Waisha fishing grounds in the west, and fishing grounds around Beibu Gulf, Hainan Island and Xisha Islands. Rich in fish resources, rich in yellow croaker, horse fish, pomfret, hairtail, abalone, catfish, green onion, western saury, shark and other economic fish.

The intertidal zone in xuwen county covers an area of 254,500 mu, of which the mangrove area is 265,438 mu+0,785 mu, and the cultivable area is 99,880 mu, accounting for 39.25%. The low tide zone in the county is 100 m, and the shallow sea area is1482,500 mu, of which the aquaculture area is 77,300 mu. Fish, shrimp and crabs can be cultivated in the shallow sea in the east, and sea cucumbers and pearls are suitable in the shallow sea in the west. Abalone and algae can be cultured in shallow waters in central China.

Refer to the above content: Baidu Encyclopedia-xuwen county