XML-file of tree-ring width from historical object 6721B@en

Species: Picea abies (L.) H. Karst.; No of rings: 71; first year: 1785; tree-death year: 1856; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent物种：欧洲云杉（Picea abies (L.) H. Karst.）；年轮总数：71；起始年份：1785；树木死亡年份：1856；髓心（Pith）：不适用；心材（Heartwood）：缺失；边材（Sapwood）：缺失；边材年轮数：0；树皮下最后一轮年轮：缺失