Tree-ring width measurements of Douglas fir from Ragoesen from 1900 to 2021

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...

本数据集的样本取自花旗松（Douglas fir），采用树木生长锥（increment borer）进行采集：从每株待测树木的胸高位置，获取两根相对布设的生长锥芯样。本次取样的林木生长于……