Tree-ring measurements of Picea mariana (Black spruce) from sample CHARLPLA-171
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Species PCMA; No of rings 144; Begin 1845; End 1988
物种:PCMA;年轮数:144;起始年份:1845;终止年份:1988

Species PCMA; No of rings 144; Begin 1845; End 1988
物种:PCMA;年轮数:144;起始年份:1845;终止年份:1988