Tree-ring measurements of Picea mariana (Black spruce) from sample NONAMUFE-181
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Species PCMA; No of rings 172; Begin 1765; End 1936
物种:PCMA;年轮数量:172;起始年份:1765;结束年份:1936

Species PCMA; No of rings 172; Begin 1765; End 1936
物种:PCMA;年轮数量:172;起始年份:1765;结束年份:1936