兴安落叶松(Larix gmelini)、长白落叶松(Larix olgensis)是黑龙江省重要的更新造林树种。由于其分布较广,适应性强,生长迅速,所以它们的人工更新发展很快.为探讨兴安、长白落叶松的适宜栽植区,我们于1984—1985年对兴安、长白落叶松人工林的生长情况进行了调查.在此基础上,划出兴安、长白落叶松种子调拨范围。一、材料搜集与研究方法参照各地现实栽植兴安、长白落叶松人 Larix gmelini and Larix olgensis are important reforestation species in Heilongjiang Province. Because of its wide distribution, adaptability and rapid growth, so their artificial renewal developed rapidly .In order to explore the suitable planting area of ​​Xing’an and Changbai, we studied the growth of Xing’an and Changbai larch plantation from 1984 to 1985 On the basis of this, drawn Xing’an, Changbai pine seed transfer range. First, the material collection and research methods refer to the actual planting around Xing’an, Changbai larch people