Tree-ring measurements of Picea mariana (Black spruce) from sample COATSPLA-282
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Species PCMA; No of rings 181; Begin 1808; End 1988
物种PCMA;年轮数为181;起始年份1808;结束年份1988

Species PCMA; No of rings 181; Begin 1808; End 1988
物种PCMA;年轮数为181;起始年份1808;结束年份1988