Tree-ring width measurements of Douglas fir from Lehnin from 1922 to 2021
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Wood samples from Douglas fir trees were taken using an increment borer. From each tree two opposing increment cores were taken at breast height. The sampled trees stood in an...
本研究采用生长锥（increment borer）采集花旗松（Douglas fir）的木材样本：从每棵采样树木的胸高位置，获取两枚相对朝向的生长钻芯。所有采样树木均生长于……
