Tree-ring width of Quercus species from historical object sample 6631B/06A, Netherlands, Alkmaar@en

Species: Quercus species; No of rings: 139; first year: 1423; tree-death year: 1562; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 28; Last ring under bark: present物种：栎属（Quercus）物种；年轮总数：139；最早年轮对应年份：1423；树木死亡年份：1562；髓心：不适用；心材：完整；边材：完整；边材年轮数量：28；树皮下方保留有最后一轮年轮