Tree-ring width measurements of Douglas fir from St. Florian am Inn from 1984...
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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...
使用生长锥（increment borer）采集花旗松（Douglas fir）的木材样本。从每棵样树的胸高位置采集两份相对的钻芯样本。所采样的树株生长于……
