按我国制订的“长白落叶松、兴安落叶松速生丰产林”标准，将长白落叶松分为两个产区，产区间在生态因子和产量方面都有一定的差异。该标准提供的长白落叶松Ⅰ产区地位指数范围为９～１８，Ⅱ产区地位指数范围为８～１７。那么，两个产区间相同地位指数林分间是否存在差异... According to the “long-staple of Larix olgensis and Larix gmelinii growing fast-growing and high-yielding forest” formulated by our country, the Larix olgensis is divided into two producing areas, and the producing areas have some differences in ecological factors and yield. The standard provides the status of Changbai Ipomoea producing area index range of 9 to 18, Ⅱ producing area status index range of 8 to 17. Then, whether there is a difference between the same status index of two producing areas ...