Tree-ring measurements of Picea mariana (Black spruce) from sample NONAMUFE-41
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Species PCMA; No of rings 192; Begin 1756; End 1947
物种PCMA;年轮数:192;起始年份:1756;终止年份:1947

Species PCMA; No of rings 192; Begin 1756; End 1947
物种PCMA;年轮数:192;起始年份:1756;终止年份:1947