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研究了日本落叶松林大气降水的再分配，结果表明：日本落叶松林冠对降水的截留率为２４．４％，影响林冠截留的主要因子是降水量和降水强度；树干流在森林降水中的比重较小．约为１．２％；通过雨量是森林降水来源的主要方面，它约占降水量的７４．４％。
The redistribution of precipitation in Japanese larch forest was studied. The results showed that the canopy retention rate of Japanese larch canopy was 24.4%, and the main factors influencing canopy interception were precipitation and rainfall intensity. The proportion of trunk flow in forest precipitation Smaller. About 1.2%. Through the rainfall is the main source of forest precipitation, it accounts for about 74.4% of the precipitation.