Tree-ring width of Quercus species from historical object sample 6719B/07A, Germany, Quakenbrück
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Species: Quercus species; No of rings: 29; Age not determined; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 10; Last ring under bark: present
物种：栎属（Quercus）物种；总年轮数：29；树龄未测定；髓心：不适用；心材：完整；边材：完整；边材年轮数：10；树皮下方存在最晚年轮
创建时间：
2025-11-21
