Topography and Climate of Anhui Province

Classification: Region >> Anhui Province

Problem description:

I hope you can tell me something about the topography and climate change in Anhui Province. Generally speaking, let's talk about the geographical environment of Anhui Province. Thank you.

Analysis:

Anhui Province, referred to as "Anhui", is located in the southeast of China. The province is about 570 kilometers long from north to south and 450 kilometers wide from east to west, with a total area of139,600 square kilometers, accounting for about 1.45% of the national territory. There are 1850 townships, with Hefei as the capital.

Geographical location and natural conditions

Anhui province has diverse topography, with the Yangtze River and Huaihe River running across the whole territory from west to east, which divides the province into three natural regions: Huaibei, Jianghuai and Jiangnan. North of Huaihe River is vast, which is a part of North China Plain. Between the Yangtze River and Huaihe River in the middle, the hills in the mountains are winding, the hills are undulating, and the hills are alternating; The banks of the Yangtze River and the area around Chaohu Lake are low and flat, belonging to the famous plain in the middle and lower reaches of the Yangtze River. The south is dominated by mountains and hills. The whole province can be roughly divided into five natural areas: Huaibei Plain, Jianghuai Hill, Dabie Mountain Area in West Anhui, Plain along the Yangtze River and Mountainous Area in South Anhui. Anhui is located in the transition zone between warm temperate zone and subtropical zone, with warm and humid climate and distinct four seasons. However, the distribution of climatic conditions is obviously different, the weather is changeable, the precipitation changes greatly during the year, and natural disasters such as droughts and floods often occur.

Climate: The average annual temperature in the province is between 14- 17℃, the average sunshine hours are1800-2,500 hours, the average frost-free period is 200-250 days, and the average precipitation is 800- 1800 mm. ..

Natural resources and water resources: The total amount of water resources in the province is about 68 billion cubic meters. Important water conservancy projects in the province include Pishihang Irrigation Project and Sima Mountain Irrigation Project.

Land resources: the province's cultivated land area is 4.33 million hectares, and the land is fertile and suitable for the growth of various crops.

Animal and plant resources: the forest land in the province is 4 1.80 square kilometers, accounting for 1.2%. There are rich plant species in this province, including 1300 species, 2 100 species of herbs and 500 species of animals, among which 54 species are protected by the state, among which Chinese alligator and baiji are the most precious.

Mineral resources: Anhui Province has a wide variety of mineral resources, rich reserves and concentrated distribution. More than 30 kinds of minerals/kloc-0 have been discovered, among which 67 kinds have been proved, 49 kinds have been developed and utilized, and 38 kinds of minerals rank first in China. According to the constant price of 1990, the total potential value of mineral reserves in the whole province reaches 1.92 trillion yuan, ranking 10 in China. Among them, the mineral reserves and potential prices of coal, iron copper, sulfur and alunite 1 1 are among the best in East China and even the whole country.

human population

Demographic statistics In 2005, the birth rate of the whole province was 65438 02.43 ‰, which was 0.865438 0.01‰ higher than the previous year. The mortality rate was 6.23‰, up by 0.73 ‰; The natural growth rate was 6.2‰, an increase of 0.08 thousandths.

Ethnic distribution and population proportion The majority of ethnic groups in the province are Han, with a population of 59.484 million, accounting for 99.37%. The population of ethnic minorities is 376,000, accounting for 0.63%. Ethnic minorities are mainly * * *, and there are 52 ethnic minorities such as Manchu, Mongolian, Zhuang and She.

Education level At the end of 2005, there were 19 graduate training units in the province, with 8 students, 2 graduate students, 4 graduates. There are 8 1 colleges and universities with199,000 students, 589,000 students and170,000 graduates. All kinds of secondary vocational education (excluding technical schools) enrolled 276,000 students and enrolled 633,000 students. There are 760 ordinary high schools with 435,000 students, with1170,000 students and 30 1 10,000 graduates. There are 3 188 junior middle schools with 20,000 students, 3.44 million students and 65,438 graduates. There are 20 142 primary schools with 8 15000 students, 584 10000 students and 65438 graduates. The enrollment rate of school-age population in junior high school is 97.78%, and the enrollment rate of primary school-age children is 99.54%. The dropout rates of ordinary junior middle school students and primary school students are 2.4% and 0.73% respectively. The number of graduates from adult schools at all levels is 910.9 million. 86,000 people were illiterate throughout the year.