Natural disasters in Amur

Flood1991From June 25th to July 4th, there were two catastrophic floods in amuer Forestry Bureau. The precipitation reached 13 1.4 mm, the production stopped completely, the roads, bridges and buildings were destroyed, the nurseries of the forestry bureau were all flooded, the seedlings were washed away, and the afforestation area was destroyed 1 13.07 hectares. The flood caused a direct economic loss of 239,000 yuan.

Insect disaster1May, 1988, young forest plots newly built in several forest farms of Forestry Bureau were found to be eroded by insect pests to varying degrees. The insect belongs to Lepidoptera Noctuidae, and four forest farms in Yilin, Yixi, Yidong and Changshan were seriously affected, with an area of 993.3 hectares.

1988 in mid-July, the black land wolf leaf moth appeared in the pesticide application area of Yilin forest farm, causing 93.3 hectares of artificial afforestation land to be abandoned.

During 1989, a large number of longicorn beetles occurred in burning wood in the burning area of Forestry Bureau, and the forest protection station fumigated wood with methyl bromide, fumigating 500,000 cubic meters of wood.

199 1 year, a large number of black wolf moths occurred in the fire area under the jurisdiction of the Forestry Bureau, and the forest defense station used mechanical spraying to control them, with a control area of 13333.3 hectares. In July 199 1 a large area of Dendrolimus punctatus occurred, covering an area of 20,000 hectares, causing disasters 10000 hectares.

During the period of 1992, Dendrolimus punctatus occurred in a large area in Xing 'an and Longhe forest farms, with the affected area of 2666.7 hectares. 1993 insect pests occurred in the forest land of Forestry Bureau, covering an area of 28,333.3 hectares, with less damage.

Insect disaster area 10 hectare in forestry bureau in 2000.

In 2002, Koharu moth occurred in young natural forests and artificial forests of Forestry Bureau, with an area of 26,666.7 hectares.

Rodent damage 1988, the forestry bureau carried out artificial seedling prevention and control work of brown-backed rat and red-backed rat in forest areas.

From 1993 to 1994, the rodent infestation area of Forestry Bureau is 18533.3 hectares.

1997 rodent infested area in afforestation area of Forestry Bureau 19333.3 hectares, of which the afforestation area is 2 148.3 hectares.

Wind disaster1July 5, 1992, the wind was strong, the wind speed was 29 m/s, the telephone line was interrupted, and 30 cement columns were broken. The rain is mixed with hail, and the wind is above six or seven. All the balcony windows of 27 residential buildings were torn off, and 76 bungalows were blown away by strong winds. Most of the linoleum paper in the relatives courtyard of Yilin Forest Farm was smashed by hail, and the Dongshan scenic forest in Jintao Station was partially destroyed and the trees were uprooted. All hail seedlings in Beishan area have been polished, and the affected area is about 20 hectares. The damaged houses in Dongshan area cover an area of about 4000 square meters.

On July 23rd, 0990, the Songqing Forest Farm suffered from frost, and all the vegetables in the plastic greenhouse froze to death.

1In early June, 1992, frost occurred in Changshan Forest Farm. 90% of the seedlings in the greenhouse were frozen to death, and there were few vegetables left in the field, resulting in a loss of nearly 10,000 yuan.

1In the first ten days of July, 1992, there was frost for two consecutive days, and the planted potatoes and beans were partially frozen to death.

Blizzard1June 3, 1992, the snowfall in Longhe Forest Farm was nearly one foot thick, and most of the planted seedlings were frozen to death. On June 4, the snowfall in Songqing Forest Farm was half a foot thick, and the seedlings froze to death, which brought great harm to vegetable production.

1On June 6, 1992, heavy snow suddenly fell in Xing 'an Forest Farm, and most of the seedlings were frozen to death.