Tree-ring width of Quercus species from historical object sample 6560B/01A, N...
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https://b2find.eudat.eu/dataset/233e4660-dafe-59d4-a427-2934bda98726
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Species: Quercus species; No of rings: 27; 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）物种；年轮数：27；年龄未测定；髓：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
