Tree-ring measurements of Picea mariana (Black spruce) from sample CAPOTPMA-92
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Species PCMA; No of rings 140; Begin 1849; End 1988
物种PCMA(Species PCMA);环数:140;起始年份:1849;结束年份:1988

Species PCMA; No of rings 140; Begin 1849; End 1988
物种PCMA(Species PCMA);环数:140;起始年份:1849;结束年份:1988