Natural conditions of Chenghai

Chenghai District is located at the mouth of the Han River in the Chaoshan Plain in the east of Guangdong Province, between east longitude11min-16/min, and north latitude 23 degrees 2 1 min -23 degrees 38 min. It borders the South China Sea in the southeast, Chaozhou in the northwest, Shantou in the southwest, Raoping County in the northeast and Nan 'ao Island across the sea in the east. It is 480km away from Guangzhou, 0/80 nautical miles from Taiwan Province Province and 0/72 nautical miles from Hongkong. The terrain of the whole region inclines from northwest to southeast, and it is known as "one mountain, one water and eight points". The total area of the region is 345.23 square kilometers, of which 322 square kilometers are plains, accounting for about 80%; The hilly slope is 42 square kilometers, accounting for about10%; Water accounts for 9.6%. The hills mainly include Lianhua Mountain, Nanzhi Mountain, Huqiu Mountain and Xiling Mountain, among which the main peak of Lianhua Mountain is 562 meters above sea level, which is the highest peak in the whole region. National Highway 324 runs through the whole territory from west to east; Four tributaries of Hanjiang River, Dongli River, Yanglian River, Waishahe River and Xinjin River run through the whole territory from north to south and flow into the South China Sea. The coastline is 66.9 kilometers long, the total area of shallow beaches is 12 1.33 square kilometers, and the exploitable area is 100.53 square kilometers, which is rich in marine resources. Chenghai District is located in the subtropical zone and belongs to the south subtropical monsoon climate. In the north, because Phoenix Mountain and Lotus Mountain are natural barriers, the intensity of dry and cold airflow invading south in winter is weak; The territory faces the South China Sea and has a vast water area, which is greatly influenced by the warm and humid air currents in the tropical ocean in summer. Its four-season climate features are: high temperature and rainy, rainy and hot in the same season, short hot period, rainfall mostly concentrated in spring and summer, long frost-free period and unclear four seasons.

The annual average total sunshine hours in Chenghai District is 22 17.7 hours, and the sunshine percentage reaches 5 1%. The annual average temperature is 265438 0.2℃; The annual frost-free period is 362 days; The annual average rainfall is1443.7mm. Affected by the marine climate, the disastrous weather in the whole region mainly includes low temperature, frost, low temperature and rainy weather, cold dew wind, typhoon, "dragon boat water", spring drought and autumn drought.

In Chenghai District, the afforestation rate of woodland is 87. 1%, the afforestation rates of farmland forest network and coastal shelter forest are 93.3% and 98.3% respectively, the afforestation rate of highway is over 9 1%, the village afforestation rate is 32.3%, and the forest coverage rate is 14.8%. After provincial acceptance, Chenghai reached the greening standard.

Chenghai's soil is distributed in lateritic red soil zone, with moderate arable land fertility, but flat and continuous terrain, with paddy soil accounting for 80%, high maturity, convenient irrigation and drainage and great production potential.