Pingshan forest farm, Sunwu County, Heihe City, Heilongjiang Province

Pingshan Forest Farm

Pingshan forest farm is located in the southeast of Acheng District of Harbin City, 45 kilometers away from Acheng District. The administrative division is under the jurisdiction of Pingshan Town of Acheng District. Its geographical location is 27 ° 14 ′ 35 ″ - 127 ° 30 ′ 21 ″ E and 45 ° 10 ′ 52 ″ - 45 ° 24 ′ 21 ″ n. The construction industry is divided into two parts: one is located in Pingshan Town and around the forest farm; the other is around Xiquanyan Reservoir, 25 km away from the farm, including a national forest park; the central part is Pingshan wildlife farm of Provincial Academy of Forestry Sciences. The forest farm is adjacent to Maoershan Experimental Forest Farm of Northeast Forestry University in the East and northeast, Shangzhi City and Wuchang City in the South and southwest, Xiaoling forest farm in the West and Zhonghe forest farm in the north.

geographical environment

mountain range

Located in the west slope of zhangguangcai mountain, the terrain is high in the north and low in the south, with undulating mountains and gentle slopes. It is a low mountain and hilly area, with an average slope of 10-25 degrees and a maximum slope of 35 degrees. The altitude ranges from 150 to 690 meters, with an average altitude of 420 meters.

river system

The largest river is Ashe River, a tributary of Songhua River, which is composed of two branches, namely Huangni River and Maoyin river. The two rivers converge at Beichuan village and flow into Xiquanyan Reservoir.

climate

It has a long, cold and dry winter, mild and rainy summer. The maximum temperature is 34 ℃, the minimum temperature is - 36 ℃, the annual accumulated temperature is more than or equal to 10 ℃, 2800 ℃, and the average annual temperature is 2.8 ℃. The annual precipitation is 500-610mm and the frost free period is 110-130 days. The plant growth period is 120-130 days. The early frost is in the middle and late September, and the late frost is in the early May.

soil

There are three soil types, mainly dark brown soil, accounting for 94% of the total area; swamp soil, accounting for 5% of the total area; meadow soil, accounting for 1% of the total area. 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, typical dark brown soil is dominant, with a layer thickness of 5-20 cm, covering an area of 6628 ha; original dark brown soil is mainly distributed in the upper part of steep slope, covering an area of 110 ha; meadow dark brown soil is mainly distributed in the lower part of gentle slope, covering an area of 496 ha.

natural resources

Botany

The total management area of the forest farm is 7234 hectares, and the forest land area is 6711 hectares, including 6163 hectares of forest land and 434800 cubic meters of forest stock. There are 391 hectares of unforested forest land, 75 hectares of shrubbery land, 79 hectares of unforested land, 3 hectares of nursery and 523 hectares of non forestry land. The forest coverage rate was 86.23%. It belongs to Xiaoxing'anling Laoyeling flora and Xiaoxing'anling zhangguangcailing flora. The main arbor species are Fraxinus mandshurica, Juglans mandshurica, Phellodendron amurense, Tilia amurensis, elm, color tree, oak, Populus davidiana, Populus cathayana, Betula platyphylla, Betula formosana, willow, Larix gmelinii, etc., the shrubs are hazelnut, Corylus Corylus, bougainvillea, spirodendron, etc., and the herbs are Carex Bupleuri, lily of the valley, and caryophyllum grandiflorum. Among them, Chinese herbal medicines include Schisandra chinensis, Pingbei, acanthopanax senticosus, etc.; fungi include yuan mushroom, Hazel mushroom, etc.

animal

There are rabbit, deer, fox, pheasant, flying dragon, wild duck and so on.

socioeconomic

The forest farm has 78 Employees, including 13 cadres and 2 engineering and technical personnel. There are national Jinquan Forest Park and greening tree species base. The fixed assets are 1.3 million yuan, the annual output value is 1.5 million yuan, and the profit is 130000 yuan. There are 1 town, 9 administrative villages, 48 natural villages, 10 factories and mining enterprises, and a population of 30000. 301 Expressway and binsui railway run through the construction area, with forest roads, township roads and large lanes, forming a developed transportation network with a density of 3.2 m / ha.

Stand type

Among the forest resources, the natural forest covers an area of 3168 hectares, with a stock of 253800 cubic meters, accounting for 51.7% and 58.4% of the forest area and stock respectively. The main types of forest stand are: mixed forest of rare and hard broad-leaved, 100 hectares, with a total volume of 7660 cubic meters; mixed forest of hard broad-leaved, 335 hectares, with a total volume of 29960 cubic meters; mixed forest of soft broad-leaved, 1904 hectares, with a total volume of 121620 cubic meters; oak forest, 709 hectares, with a total volume of 76650 cubic meters; Populus davidiana forest, 38 hectares, with a total volume of 1460 cubic meters; birch forest, 82 hectares, with a total volume of 4330 cubic meters. The artificial forest covers an area of 2995 hectares and has a stock of 18000 cubic meters, accounting for 48.6% and 41.6% of the forest area and stock respectively. The main forest types are Korean pine forest (76 hectares), larch forest (1757 hectares), Scotch pine forest (1153 hectares) and Pinus sylvestris var. mongolica forest (66830 cubic meters). in the forest land, the area of ecological public welfare forest is 5728 hectares, accounting for 85.4% of the forest land. Among them, the area of key ecological public welfare forest is 2624 hectares, accounting for 39.1% of the forestry land area; the area of general ecological public welfare forest is 3104 hectares, accounting for 46.3% of the forestry land area. The total area of commercial forest is 983 hectares, accounting for 14.6% of forestry land.

Forestry production

The forest farm was founded in 1963. After 40 years of operation, it has produced 65000 cubic meters of commercial timber and 1800 cubic meters of timber annually. Through reforestation, it has formed 2995 hectares of artificial forest, raised 3 hectares of seedlings annually, and produced 500000 seedlings. The varieties include larch, Scotch pine, spruce, willow, poplar and other greening seedlings. a national forest park is built around Xiquanyan Reservoir, covering an area of 2000 hectares, with an average of 2000 people playing every day during the tourist season, making an annual profit of 150000 yuan. the forest farm has 1740 square meters of various buildings, 5 vehicles, telephone, cable TV, computer and other modern equipment. build a green seedling base with an area of 1000 mu to produce all kinds of green seedlings, and build a green base with an annual production of 3 million green seedlings within three years.

Chinese PinYin : Hei Long Jiang Sheng Hei He Shi Sun Wu Xian Ping Shan Lin Chang