Tree-ring width of Quercus species from historical object sample 6770B/12A, Germany, Borgholzhausen

Species: Quercus species; No of rings: 117; first year: 1547; tree-death year: 1664; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 7; Last ring under bark: absent物种：栎属（Quercus）物种；总年轮数：117；首个年轮形成年份：1547；树木死亡年份：1664；髓心（Pith）：不适用；心材（Heartwood）：完整；边材（Sapwood）：不完整；边材年轮数：7；树皮下方末次年轮：缺失