Tree-ring width of Quercus species from historical object sample 5992B/15A, N...

Species: Quercus species; No of rings: 32; first year: 1520; end year: 1552; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 4; Last...物种：栎属物种（Quercus species）；年轮总数：32；起始年份：1520年；终止年份：1552年；髓心（Pith）：不适用；心材（Heartwood）：完整；边材（Sapwood）：不完整；边材年轮数：4；最后……