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据笔者于1987年11月中旬在大兴安岭林区北四局沿途及去盘古、盘中、马林、图强、前哨、漠河等林场考察,沿途所见,在一片焦黑的火烧林木上,可以看到多处被啄木鸟啄落树皮的斑痕,近视之可见为虫眼。据阿木尔林业局病虫害防治站调查,落叶松林木在20Cm×20Cm的面积上,就有虫眼12个,从而可以肯定火烧木当年的虫害是相当严重的。由于火烧木木质部导管停止了水分运输,无分泌树脂能力,对害虫失去了抵
According to the author in mid-November 1987 in the Greater Hinggan Mountains forest north of the Fourth Bureau along the way and to Pangu, Panzhong, Marin, Tuqiang, outpost, Mohe and other forest farms to see, along the way, in a scorched firewood, you can see To many places peck woodpecker bark scars, myopia visible as insect eyes. According to Amur Forestry Bureau pest control station survey, larch trees in the area of 20Cm × 20Cm, there are 12 insect eyes, which can be affirmed fire wood burning pests that year is quite serious. As firewood xylem duct stopped water transport, no secretion of resin capacity, lost to pests arrived