小兴安岭红皮云杉径向生长对气候变化的响应  

Response of the Radial Growth of Picea koraiensis to Climate Change in Xiaoxing’an Mountains

作　　者：郭滨德 钟瑞 张耀明 徐静 栾兆平 GUO Binde;ZHONG Rui;ZHANG Yaoming;XU Jing;LUAN Zhaoping(National Forestry and Grassland Administration Key Forest Resources Monitoring Center in National Forest Areas,Jiagedaqi 165000,Heilongjiang)

机构地区：[1]国家林业和草原局重点国有林区森林资源监测中心,黑龙江加格达奇165000

出　　处：《温带林业研究》2023年第4期31-34,共4页Journal of Temperate Forestry Research

摘　　要：【目的】利用小兴安岭红皮云杉树木径向生长和气候因子,研究红皮云杉径向生长对气候变化的响应。【方法】利用小兴安岭红皮云杉年表特征、年轮指数特征、Pearson相关检验等方法。【结果】红皮云杉径向生长与上一年生长季末期(9月)、当年生长季(6月)及当年生长季末(9月)温度显著负相关;与当年冬季(2月)月最低温度、当年生长季前期(4月)月平均温度显著正相关;而降水对红皮云杉径向生长的影响较小。红皮云杉径向生长与上一年生长季末(9月)温度的相关性由升温前的显著正相关变为升温后的显著负相关;红皮云杉径向生长与上一年生长季末(9月)及当年生长季末(9月)降水的相关性由升温前的负相关变为升温后的显著正相关,与当年生长季前(3月)降水的相关性则由升温前的正相关变为升温后的显著负相关。【结论】温度是红皮云杉径向生长的主要限制因子,温度升高会加强对树木生长的抑制作用。【Objective】The response of the radial growth of Picea koraiensis to climate change was studied by using the radial growth and climate factors of Picea koraiensis in Xiaoxing’an Mountains.【Method】The methods of the chronology characteristics of Picea koraiensis in Xiaoxing’an Mountains,ring index characteristics,and Pearson correlation test were used.【Result】The radial growth of Picea koraiensis was significantly negatively correlated with the temperature at the end of the previous year’s growing season(September),the current year’s growing season(June),and the end of the current year’s growing season(September);The radial growth of Picea koraiensis was significantly positively correlated with the monthly minimum temperature in the winter(February)and the monthly average temperature in the early growing season(April)of the current year.Precipitation had little effect on the radial growth of Picea koraiensis.The correlation between the radial growth of Picea koraiensis and the temperature at the end of the growing season(September)of the previous year had changed from a significant positive correlation before the temperature rise to a significant negative correlation after the temperature rise;The correlation between the radial growth of Picea koraiensis and the precipitation at the end of the previous year’s growing season(September)and the end of the current year’s growing season(September)had changed from a negative correlation before the temperature rise to a significant positive correlation after the temperature rise.The relationship between the radial growth of Picea koraiensis and the precipitation before the growing season(March)changed from a positive correlation before the temperature rise to a significant negative correlation after the temperature rise.【Conclusion】Temperature was the main limiting factor for the radial growth of Picea koraiensis,the inhibitory effect of temperature increase on tree growth was strengthened.

关 键 词：红皮云杉 气候变化 径向生长 升温 

分 类 号：S791.182[农业科学—林木遗传育种]