结果表明：31年生黄波罗林生长仍处于旺盛时期；
It showed that the stand was also in the stage of vigorous growth for 31 years old.
尼古拉沟的信息熵值为0.246，正处于沟谷发育的旺盛时期，计算结果与当地实际情况有较好的一致性。
The information entropy of Nigula Gully is 0. 246 and it is in the mature stage. All these calculations are high consistent with the local condition.
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