Tree-ring width of Quercus species from historical object sample 6724B/03A, Germany, Wittmund@en
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Species: Quercus species; No of rings: 67; first year: 1721; tree-death year: 1788; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 2; Last ring under bark: absent
创建时间：
2026-04-18
