Tree-ring measurements of Picea mariana (Black spruce) from sample WILLOUFE-451
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Species PCMA; No of rings 131; Begin 1857; End 1987
物种PCMA(Species PCMA);环数(No of rings):131;起始年份:1857;结束年份:1987

Species PCMA; No of rings 131; Begin 1857; End 1987
物种PCMA(Species PCMA);环数(No of rings):131;起始年份:1857;结束年份:1987