XML-file of tree-ring width from historical object 6509B@en
收藏数据链接：
官方服务：
资源简介：
Species: Pinus sylvestris; No of rings: 83; Age not determined; Pith: not applicable; Heartwood: absent; Sapwood: complete; Number of sapwood rings: 83; Last ring under bark: present
创建时间：
2026-04-20
