XML-file of tree-ring width from historical object 5519B@en
收藏数据链接：
官方服务：
资源简介：
Species: Quercus species; No of rings: 40; first year: 1508; end year: 1548; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 2; Last ring under bark: absent
创建时间：
2026-04-30
