XML-file of tree-ring width from historical object 6725B@en
收藏数据链接：
官方服务：
资源简介：
Species: Quercus species; No of rings: 131; first year: 1419; tree-death year: 1550; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 14; Last ring under bark: absent
创建时间：
2026-04-23
