Tectonic denudation low mountains: distributed in Daheishan in the northwest, Nianzi Mountain in the east and Dingqing Mountain in the southeast, with an area of 4 1 km2. The altitude is 500 ~ 6 1 1m, and the relative height difference is 22 1 ~ 3 13m. Many steep slopes and steep mountains.
Denudation hills: mountainous areas distributed on the north and south sides. Weathered thickness 1 ~ 30m, altitude of 275 ~ 500m, and relative height difference of 50 ~ 150m. The mountain is slightly undulating, most of the hills are gentle, the top of the mountain is round, and the valleys between the mountains are developed.
Corrugated platform: distributed in the graben plain, the platform surface is wavy and the slope is very small. Gullies at the rear edge of the platform are developed in Xiaogushan and Sandao areas in southwest China, and cliffs appear. The platform is 223 ~ 270 meters above sea level, with a relative elevation difference of 10 ~ 20 meters.
Inclined platform in front of the mountain: it belongs to denudation and accumulation topography, and is distributed at the slope angle of the valley and part of the upper reaches of the larger valley, and the back part is connected with the hills. The altitude is 280 ~ 340m, and the relative height difference is 10 ~ 20m.
Valley Plain: It is distributed in the valley areas of Yitong River, Gushan River and Yidan River, including all areas of the first-class terrace and the second-class terrace. The first terrace is distributed along both sides of the riverbed, with an altitude of 2 19 ~ 229 meters, which is 0.5 ~ 1.0 meters lower than the second terrace. The county seat is located on the first-class terrace.
Volcanic landform: There are six volcanoes 16 in Yitong, which are distributed in two rows at the southern end of Yilan-Yitong fault zone, that is, Yitong fault basin, with an altitude of 225-430m and a relative elevation difference of 15- 150m. The distribution direction is consistent with the fault direction, that is, northeast to southwest. Sunshine: The annual total solar radiation is 1 18900 kcal/cm2. May is the most, reaching 14646 kcal/cm2. During the whole crop growth period, from May to September, the total solar radiation is 64,965,438+0,654,38+0 kcal/cm2.
Temperature: the annual average temperature is 5.5℃, the hottest average temperature in July is 22.7℃, the coldest average temperature in 10/7.1℃, and the annual average temperature is 39.8℃. The extreme maximum temperature was 35.5℃, which appeared on1July, 97218th. The extreme minimum temperature is MINUS 40 degrees. 2℃.
Frost period: the average first frost date for many years is September 23rd, and the final frost date is May 7th. The frost period is as long as 227 days and the frost-free period is only 138 days. In some areas of Heyuan Town and Yingchengzi Town in the southeastern mountainous area, the first frost is mostly seen in early September and the last frost is in mid-May of the following year. The frost-free period is less than that in the central and western counties 15 ~ 20 days.
Precipitation: The average annual precipitation in Yitong Manchu Autonomous County is 651.7mm. The annual change rate of precipitation is 18.5%. The annual precipitation is uneven, and the spring precipitation is 9 1.3mm, accounting for 14.4% of the annual precipitation. The summer precipitation is 4 14. 1mm, accounting for 66.2% of the annual precipitation. The autumn precipitation is 108mm, accounting for 16.9% of the annual precipitation. The winter precipitation (snow) is 14.4 mm, accounting for only 2.5% of the annual precipitation.
Wind speed: the average annual wind speed in Yitong Manchu Autonomous County is 2.2m/s, 4.3m/s in spring, 2.6m/s in summer and 3.0m/s in autumn and winter. The frequency of main wind directions throughout the year is mostly static wind 19%, southeast wind 16% and southwest wind 1 1%. Yitong Manchu Autonomous County belongs to temperate coniferous and broad-leaved mixed forest area, with a forest coverage rate of 27.7%. The existing stock is 3.55 million cubic meters.
Trees: mainly oak, aspen, linden, elm, willow, locust and birch.
Shrubs: hazelnut, Lespedeza, mountain rose, etc.
Conifer: Larix gmelinii is the most common.
The plantation area in Yitong Manchu Autonomous County is 29,873 hectares, accounting for 36% of the total forestland area, and the main tree species is larch. Mammals: wolves, foxes, raccoons, raccoons, gray rats, squirrels, fragrant rats, ferrets, hedgehogs, rabbits, etc.
Birds: ring-necked pheasant, sand-spotted chicken, quail, big tit, suque, sparrow, iron sparrow, turtledove, woodpecker, cuckoo, magpie, crow, swallow, wild duck, etc.
Fish: carp, crucian carp, silver carp, bighead carp, grass carp, catfish, herring, loach fish, etc. Medicinal plants: Herba Asari, Fructus Schisandrae, Radix Astragali, Cortex Acanthopanacis, Stellera chamaejasme, etc. 178 species. , mainly distributed in the southeastern mountainous areas, followed by the northwestern mountainous areas.
Wild vegetables: cool onion, bracken, mountain celery, amaranth, shepherd's purse, plantain, dandelion, garlic root, bitter herb, day lily, Artemisia ordosica, water spinach, gray vegetables and so on.
Edible fungi: mainly white mushroom, hazel mushroom, Tricholoma matsutake, oil mushroom, poplar mushroom, fungus, sweet potato skin and so on. By the end of 20 10, more than 30 kinds of gold, silver, copper, iron, lead, zinc, pyrite, silica, fluorite, limestone, medical stone, wollastonite, basalt, bentonite, kaolin, clay, coal, oil, natural gas and mineral water have been discovered in Yitong Manchu Autonomous County, and there are more than 200 mineral deposits.
Oil and natural gas: Moliqing fault depression in Yitong basin covers an area of 540 square kilometers. The exploration potential of Yitong Basin is 530 million tons of oil and 654.38 billion cubic meters of natural gas.
Gold: mainly distributed in Yitong Town, Yingchengzi Town and Moli Township, with a total resource of about 7 tons and an average grade of 1.0-2.0 g/ton, which is a poor deposit;
Zinc: mainly distributed in Fangniugou and Laohugou at the junction of Jingtai Town and Moli Township. The reserves of zinc metal resources reach 6.5438+0.39 million tons, which is a medium-sized deposit with an average grade of 9%. It is an important nonferrous metal connection base in Jilin Province.
Iron: mainly distributed in Jingtai Town, Moli Township, Huanglingzi Town, Yingchengzi Town and other towns, with a resource reserve of 45 1 10,000 tons of ore;
Copper: mainly located in Yongjiu Village, Jingtai Town, with a resource reserve of 310.5 million tons and 5 ore bodies;
Silica: mainly distributed in Jingtai, Moli, Ma 'an, Yingchengzi, Yitong Town and other towns, with a total prospective resource of over 6,543,800 tons, most of which can be mined in the open pit;
Fluorite: mainly distributed in Yingchengzi Town, Moli Township and Yitong Town, with a total resource of about 200,000 tons;
Pyrite: mainly distributed in Fangniugou, Jingtai Town and Laohugou, Moli Township, with a resource reserve of 6,543,800 tons;
Wollastonite: mainly distributed in Erdao Town, Yingchengzi Town and Heyuan Town, with a reserve of 370,000 tons;
Marble: widely distributed, and the predicted total resources are more than 65.438+0.8 billion tons;
Medical stone: produced in Shijiangbei Mountain, Dagushan Town, with a resource reserve of 6,543,800 tons, suitable for open-pit mining.
Desulfurization loess: also known as iron oxide powder, it is produced in the desulfurization loess in Fangniugou, with excellent desulfurization effect, up to 99.2%;
Bentonite: mainly distributed in maan town and Moli Township, also known as bentonite, with strong water absorption, with a capacity of 6,543,800 tons in industrial reserve;
Kaolin: It is mainly distributed in Jingtai Town, with a reserve of 6,543,800,000 tons, and the predicted prospective reserve is about 2 million tons. The ore is grayish white and light pink, with soil texture, containing 43. 18% silicon and 30. 14% aluminum.
Coal: It is mainly distributed in Dagushan Town, belonging to lignite, with a distribution area of nearly 10 square kilometer, a coal seam thickness of more than 20 meters, and a buried depth of 2 100 meters, which is difficult to mine. In 2008, exploration was carried out in Yangshu Village and Chaiyong Village of Dagushan Town, with proven reserves of 65.438+0.5 billion tons;
Mineral water: distributed in Heyuan town, Jingtai town and Dagushan town. Especially Lianhua Spring in Yantun, Shitouquan, Heyuan Town, with metasilicate content of 38.75 mg/L and average flow rate of 149.25 m3/ day. agriculture
1in 1994, the total grain output of Yitong Manchu Autonomous County reached 649,000 tons, ranking 6th1in the top 100 commodity grain counties in China.
In 2005, Yitong Manchu Autonomous County had 7 townships 16 villages, 24 varieties, with a total area of184,000 mu, and the output reached 1. 1 100 million Jin, with a total output value of 90 million yuan.
In 20 10, the total sown area of grain10.8 million mu, accounting for 9.231%of the total cultivated area10.95 million mu, of which the sown area of corn, rice and soybean/kloc-0.8 million mu, accounting for/kloc-0.8 million mu of the total grain area.
forestry
In 20 10, Yitong Manchu Autonomous County completed 9000 mu of afforestation, including 7200 mu of state-owned and 0/800 mu of private; Complete replanting and afforestation 18350 mu; Complete the greening of 20 villages, 1 16 1 mu; Volunteer to plant 700,000 trees and plant flowers and grass10.5 million square meters; Achieved the goal of no major forest fire for 3 1 year; 10 the state-owned forest farm realized a profit of 550,000 yuan.
water conservancy
20 10 Yitong Manchu autonomous county was awarded 17 national and provincial investment projects with a total investment of 77.5 million yuan; The reinforcement project of 4 medium-sized reservoirs and 4 small reservoirs in Yitong Manchu Autonomous County was completed; The national comprehensive agricultural development has been completed, and the soil erosion control area in black soil area is 19.7 hectares, with an investment of 6.08 million yuan. Rural drinking water safety project * * * Construction of deep well 145, completion of drinking water safety problems in 15 townships, 98 villages, 128 natural villages, 7 rural primary and secondary schools and 432 1 person.
Raising livestock/poultry
In 20 10, the gross output value of animal husbandry in Yitong Manchu Autonomous County reached 3.57 billion yuan, an increase of 10.3% over 2009. Cattle, deer, pigs, sheep and poultry have grown to 970,000,125,000,165,000,148,000 and 3,505, respectively, increasing by 19.9% and/kloc-compared with 2009. Yitong Manchu Autonomous County has built a total of 294 animal husbandry communities. Yingchengzi scalper trading market covers an area of 35,000 square meters, with an annual trading volume of about 200,000 heads. Commerce and trade
In 20 10, the total retail sales of social consumer goods in Yitong Manchu Autonomous County reached 2.69 billion yuan, an increase of 19.2% over the previous year. Yitong Manchu Autonomous County has six large shopping malls and a comprehensive market.
Build 400 standardized "farm shops" and "agricultural stores", and set up/kloc-0 commodity distribution centers and 5 distribution stations. In 20 10, the sales of farm stores exceeded 10 billion yuan. There are 50 sales outlets for home appliances to the countryside, with a subsidy of 32 million yuan. There are 15 businesses and enterprises engaged in commodity circulation.
finance
In 20 10, Yitong Manchu Autonomous County had 70 banking outlets, including 3 commercial banks, including 2 ICBC, 8 ABC and 0/CCB. Agricultural Development Bank; Rural cooperative financial institutions 1 family, 35 rural credit cooperatives; There are 23 postal savings offices. In 20 10, the balance of various deposits reached 5.03 billion yuan, an increase of 20.9% over 2009. The balance of savings deposits of urban and rural residents reached 3.65 billion yuan, an increase of 23.6% over 2009. The balance of various loans reached 2.76 billion yuan, an increase of 19. 1% compared with 2009.