Timber Measurements (OTTER)
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Height, crown width, DBH, and height-to-crown distance collected using variable-radius plot sampling with steel tape and hand-held compass to locate points along...
通过可变半径样地抽样（variable-radius plot sampling）方法，借助钢卷尺与手持罗盘定位沿……的测点，采集树高、冠幅、胸径（Diameter at Breast Height）及枝下高数据
