Tree-ring width of Quercus species from historical object sample 6672B/14A, Netherlands, Alkmaar@en
收藏数据链接：
官方服务：
资源简介：
Species: Quercus species; No of rings: 45; Age not determined; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 19; Last ring under bark: absent
物种：栎属（Quercus）物种；总年轮数：45；树龄未测定；髓心：不适用；心材：完整；边材：不完整；边材年轮数：19；树皮下方的最后一轮年轮缺失
创建时间：
2026-04-18
