祁连山中东部青海云杉径向生长对气候变暖的响应差异
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Different responses of radial growth of Picea crassifolia to climate warming in the middle and eastern Qilian Mountains
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图4. 青海云杉树轮宽度年表 |
Fig. 4. The tree-ring width chronologies of Picea crassifolia |
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