Tree-ring measurements of Picea mariana (Black spruce) from sample QUEBEC-382
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Species PCMA; No of rings 54; Begin 1935; End 1988
物种:PCMA;年轮数量:54;起始年份:1935;结束年份:1988

Species PCMA; No of rings 54; Begin 1935; End 1988
物种:PCMA;年轮数量:54;起始年份:1935;结束年份:1988