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吉林老白山鱼鳞云杉树轮蓝光强度和轮宽指数与气候响应关系随海拔变化的对比
苑丹阳1,2,朱良军1,2,张远东3,李宗善4,赵慧颖5,王晓春1,2,*()
Comparison of elevational changes in relationships of blue intensity and ring width index in Picea jezoensis with climatic responses in Laobai Mountain of Jilin, China
YUAN Dan-Yang1,2,ZHU Liang-Jun1,2,ZHANG Yuan-Dong3,LI Zong-Shan4,ZHAO Hui-Ying5,WANG Xiao-Chun1,2,*()

图4. 近200年老白山不同海拔鱼鳞云杉年轮蓝光强度(BI)及轮宽指数(RWI)变化。A, 低海拔。B, 中海拔。C, 高海拔。

Fig. 4. Variation in the blue intensity (BI) and ring width index (RWI) in Picea jezoensis at different elevations in Laibai Mountain over the recent 200 years. A, Low elevation. B, Middle elevation. C, High elevation.