Erzhan forest farm, Aihui District, Heihe City, Heilongjiang Province

Erzhan Forest Farm

Erzhan forest farm is located in the southwest of Heihe City, 151 km away from nenhei highway, under the jurisdiction of Aihui District Forestry Bureau of Heihe city. Its geographical coordinates are 126 ° 34 ′ - 127 ° 12 ′ e, 49 ° 38 ′ - 49 ° 57 ′ n. It is adjacent to Kalunshan forest farm and Experimental Forest Farm in the East, Daling and Sanzhan forest farm in the west, Sunwu County in the south, and qierqi forest farm and Daping forest farm in the north. The administrative region is within the territory of erzhan township.

Natural overview

Mountain range: the forest farm is located on the north slope of Xiaoxing'an Mountains. The terrain is mainly mountainous and hilly. The slope in the construction area is relatively gentle, most of which are between 10 ° and 25 ° and the terrain is high in the West and low in the East. The highest peak of Baishi mountain is 704 meters above sea level, with an average altitude of about 400 meters. water system: there are 7 rivers with dense river network and rich water resources in the forest farm, among which gongbila river is the first level tributary of Heilongjiang water system, honghutu River, Kunar River, bachali River, halatai River and eyuer River are the second level tributaries, and Erlong river is the third level tributary. climate: it belongs to continental monsoon climate in cold temperate zone, with long, cold and dry winter, short, warm and rainy summer, less rain in early spring, easy drought, rapid cooling in autumn and frequent freezing injury. The early frost is in the middle of September and the late frost is in the middle of May. The annual average temperature is - 1.5 ℃, the active accumulated temperature is 1600 ℃ - 1800 ℃, the minimum temperature is - 39 ℃, the maximum temperature is 37 ℃, the frost free period is about 90 days, the annual precipitation is 500-550 mm, and the annual sunshine hours are 2500 hours. soil: there are three soil types, mainly dark brown soil, with a total area of 120140 hectares; meadow soil and swamp soil are only a small amount of distribution. There are three sub types of dark brown soil, namely primitive dark brown soil, typical dark brown soil and meadow dark brown soil. Among them, the typical dark brown soil is dominant, with a layer thickness of 10-25 cm, covering an area of 116477 hectares; the original dark brown soil is mainly distributed in the upper part of steep slope, covering an area of 975 hectares; the meadow dark brown soil is sporadically distributed in the lower part of gentle slope, covering an area of 2688 hectares. vegetation: it is the transitional zone between the flora of Daxing'an Mountains and Xiaoxing'an Mountains, with broad-leaved mixed forest dominated by Betula platyphylla, Mongolian oak and Populus davidiana, and scattered Larix gmelinii. There are many Shrubs under the forest, such as Salix matsudana, Lespedeza, Rhododendron, etc. Herbaceous plants are mainly Carex, Cinnamomum camphora, Pyrola, etc. Among them, there are more than 20 kinds of Chinese herbal medicines, such as Astragalus, acanthopanax senticosus, lily, white peony, etc.; fungi, such as Hericium erinaceus, Auricularia auricula, mushrooms, etc.; wild vegetables, such as Pteridium aquilinum, day lily, etc. Wild animals: mainly bear, wild boar, roe deer, rabbit, fox, forest frog, flying dragon, pheasant, wild duck, etc. mineral resources: gold, copper, limestone, etc.

Social and economic situation

The forest farm has 160 employees, including 12 cadres and 4 Engineering and technical personnel. There are technology room, computer room and wood processing plant. The fixed assets are 774000 yuan. The annual output value is 1.27 million yuan and the profit is 31000 yuan. There are 1 Township, 12 natural villages in shiye District, with a social population of nearly 3300. The forest farm economy is relatively developed. Heinen highway runs through the East and west of the construction area, and forest roads, township roads and large lanes form a relatively developed traffic network.

Status of forest resources

General situation of forest resources: the total management area is 123156 hectares, and the forestry land area is 99283 hectares, including 83259 hectares of woodland, 265 hectares of unforested woodland, 1950 hectares of shrubbery, 615 hectares of non woodland, 3 hectares of nursery and 23873 hectares of non forestry land. The total forest volume is 3165740 cubic meters. The forest coverage rate is 63%. Forest type: in forest resources, natural forest covers an area of 79333 hectares, with a total volume of 2966100 cubic meters, accounting for 95.3% and 93.7% of forest area and volume respectively. The main forest types are Larix gmelinii with an area of 1772 hectares and a volume of 70360 cubic meters; oak forest with an area of 24812 hectares and a volume of 829060 cubic meters; birch forest with an area of 29049 hectares and a volume of 1066940 cubic meters; poplar forest with an area of 174 hectares and a volume of 6500 cubic meters; soft broad-leaved mixed forest with an area of 4031 hectares and a volume of 147650 cubic meters; hard broad-leaved mixed forest with an area of 8499 hectares and a volume of 398870 cubic meters Broad leaved mixed forest covers an area of 9751 hectares with a total volume of 413550 cubic meters; coniferous mixed forest covers an area of 699 hectares with a total volume of 33170 cubic meters. The area of artificial forest is 3926 hectares and the volume is 199640 cubic meters, accounting for 4.7% and 6.3% of the forest area and volume respectively. The main forest types include 206 hectares of Pinus sylvestris var. mongolica, with a volume of 10110 cubic meters; 3704 hectares of larch, with a volume of 188500 cubic meters; 16 hectares of coniferous mixed forest, with a volume of 1030 cubic meters.

Division of forest classified management

In forestry land, the total area of ecological public welfare forest is 74380 hectares, accounting for 74.9% of forestry land. Among them, the area of key public welfare forest defined by zoning is 33596 hectares, accounting for 33.8% of forestry land; the area of general public welfare forest defined by zoning is 40784 hectares, accounting for 41.1% of forestry land. The commercial forest area is 24900 hectares, accounting for 25.1% of the forest land.

Forestry production and construction

The forest farm was founded in 1962. After 40 years of operation, it has accumulated 200000 cubic meters of commercial timber produced by the state, with an average annual timber production of 5000 cubic meters; 3926 hectares of reforestation; 8 mu of seedlings are raised every year, with an annual output of 450000 seedlings, including spruce, larch, etc. cooperative operation of wood processing plant, with an annual output of 50 tons of wooden clothing clips, 5000 square meters of initially processed floor blocks, and wooden products sold to Dalian, the United States, Japan and other places. the forest farm has more than 10000 square meters of brick (iron) and wood structure public and civil buildings, more than 40 vehicles of various types, and is equipped with closed-circuit television, computer, telephone and other facilities.

development direction

In the future development of the forest farm, first, through the definition of classified management division, the forest with ecological benefits as the main purpose is divided into ecological public welfare forest, scientific management, the pursuit of maximum ecological and social benefits; the forest with economic benefits as the main purpose is divided into commercial forest, to improve forest productivity, the pursuit of maximum economic benefits, the overall maximum We should give full play to the overall benefits of forests. Second, relying on the local resource advantages, we have planned and organized the development and utilization of wild vegetables, edible fungi, medicinal plants and other mountain products; at the same time, we have actively used forest resources, vigorously developed the planting industry and breeding industry, cultivated Chinese medicinal materials, edible fungi, cash crops, forest frog breeding and other projects. director of Forest Farm: Jin Huicheng

Chinese PinYin : Hei Long Jiang Sheng Hei He Shi Ai Hui Qu Er Zhan Lin Chang