Tree-ring width of Quercus species from historical object sample 6635B/01A, Germany, Verden

Species: Quercus species; No of rings: 66; first year: 1385; tree-death year: 1451; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 8; Last ring under bark: absent物种：栎属（Quercus）物种；年轮总数：66；最早年轮形成年份：1385年；树木死亡年份：1451年；髓心（Pith）：不适用；心材（Heartwood）：完整；边材（Sapwood）：不完整；边材年轮数量：8；树皮下方末次年轮：缺失