Tree-ring width measurements of Douglas fir from Kaiserslautern from 1917 to ...
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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...
本数据集的木材样本采自花旗松，采用树木生长锥（increment borer）完成采集。每株供试树木于胸高位置采集两份相对的生长锥芯样。供试林木生长于……
