Tree-ring width of Quercus species from historical object sample 6715B/13A, Germany, Achim@en
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Species: Quercus species; No of rings: 69; first year: 1449; tree-death year: 1518; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 25; Last ring under bark: present
创建时间：
2026-04-23
