Tree-ring width of Picea abies (L.) H. Karst. from historical object sample 6...
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Species: Picea abies (L.) H. Karst.; No of rings: 60; first year: 1703; tree-death year: 1763; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings:...
物种：欧洲云杉（Picea abies (L.) H. Karst.）；年轮数量：60；起始年份：1703；树木死亡年份：1763；髓心（Pith）：不适用；心材：缺失；边材：缺失；边材年轮数：……
