XML-file of tree-ring width from historical object 6116B@en
收藏数据链接：
官方服务：
资源简介：
Species: Quercus species; No of rings: 51; Age not determined; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
物种：栎属（Quercus）植物；总年轮数：51；树龄未测定；髓心：不适用；心材：缺失；边材：缺失；边材年轮数：0；树皮下末次年轮：缺失
创建时间：
2026-04-30
