Ji' an special

Ji 'an City is located in the southeast of Jilin Province. Bordering baishan city in the east; The Yalu River borders the Democratic People's Republic of Korea, Cicheng County, Chushan County, Weiyuan County and Manpu City in the southeast; The southwest is adjacent to Kuandian and Huanren counties in Liaoning Province. The northwest and Tonghua City and Tonghua County are bounded by Hunjiang River. The easternmost point begins at the Yalu River in Huapidian, Shihu Village, Qingshi Town, and the westernmost point ends at the center of Hunjiang River near Erliu Village, Gumaling Village, Luda Town.

1, topographic features

Ji 'an City is located in the southeast of Jilin Province. Bordering baishan city in the east; The Yalu River borders North Korea, Cicheng County, Chushan County, Weiyuan County and Manpu City in the southeast; The southwest is adjacent to Kuandian and Huanren counties in Liaoning Province. The northwest and Tonghua City and Tonghua County are bounded by Hunjiang River. The easternmost point begins at the Yalu River in Huapidian, Shihu Village, Qingshi Town, the westernmost point ends at the center of Hunjiang River near Erliu Village, Gumaling Village, Luda Town, the southernmost point begins at the intersection of Yalu River and Hunjiang River in Yangmu Village, Liangshui Korean Township, and the northernmost point ends at the entrance of Lazigou Village, Toudao Town. The city is 80 kilometers long from east to west and 75 kilometers wide from north to south.

2. Climate characteristics

As a whole, Ji 'an city belongs to the continental climate of north temperate zone, and Lingnan has an obvious semi-Lu Haiyang monsoon climate. Four distinct seasons, spring breeze early, autumn frost late. From mid-March every year, the climate is obviously warming, and it starts in spring and lasts for about 60 days. From the end of May, the rainfall increased obviously and turned to summer. From mid-July to early August, the temperature is the highest, and there is a lot of rainfall, sometimes in midsummer, and the whole summer is about 120 days; The temperature turned cold in September, and the rainfall decreased accordingly, which was early autumn; September ~ 10, mild and sunny, crisp in autumn, about 60 days; In June,165438+1October, the north wind is frequent, with occasional rain and snow at first, and then frequent snowflakes. By February of the following year, it was a long frozen and snowy winter, about 120 days.

3. Natural resources

The primary vegetation in Ji 'an city is mixed coniferous and broad-leaved forest, mainly Korean pine, oak and poplar. By the end of 2005, there were more than 250 rare tree species, such as Magnolia grandiflora, Pinus densiflora and Ginkgo biloba. In the past 20 years, a total of 6.5438+0.32 million hectares have been planted. The output value of forestry increased from 65438+217000 yuan in 1996 to 38.99 million yuan in 2005, accounting for 5.7 1% of the total output value of agriculture, forestry, animal husbandry and fishery. In 2005, there were 282,406 hectares of forest land in Ji 'an, with a forest coverage rate of 8 1.4% and a standing stock of17.407 million cubic meters.