[1]李 牧,王晓春*.敦化三大硬阔、红松年轮-气候关系及生长季低温重建[J].南京林业大学学报(自然科学版),2013,37(03):029-34.[doi:10.3969/j.issn.1000-2006.2013.03.006]
 LI Mu,WANG Xiaochun*.Climate-growth relationships of three hardwood species and Korean pine and minimum temperature reconstruction in growing season in Dunhua, China[J].Journal of Nanjing Forestry University(Natural Science Edition),2013,37(03):029-34.[doi:10.3969/j.issn.1000-2006.2013.03.006]
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敦化三大硬阔、红松年轮-气候关系及生长季低温重建
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
37
期数:
2013年03期
页码:
029-34
栏目:
研究论文
出版日期:
2013-05-20

文章信息/Info

Title:
Climate-growth relationships of three hardwood species and Korean pine and minimum temperature reconstruction in growing season in Dunhua, China
作者:
李 牧王晓春*
东北林业大学生态研究中心,黑龙江 哈尔滨 15004
Author(s):
LI Mu WANG Xiaochun*
Center for Ecological Research, Northeast Forestry University, Harbin 150040, China
关键词:
水曲柳-胡桃楸-黄菠萝-红松 年轮 生长季 低温重建 敦化
Keywords:
Fraxinus mandshurica-Juglans mandshurica-Phellodendron amurense-Pinus koraiensis tree rings growing season minimum temperature reconstruction Dunhua city
分类号:
S716; P467
DOI:
10.3969/j.issn.1000-2006.2013.03.006
摘要:
敦化地区位于北半球中高纬度的长白山脉腹地,是全球气候变化显著的区域之一,也是典型阔叶红松林分布区。水曲柳(Fraxinus mandshurica)、胡桃楸(Juglans mandshurica)、黄菠萝(Phellodendron amurense)(三大硬阔)和红松(Pinus koraiensis)是阔叶红松林中的重要树种,探讨它们对气候变化的响应具有重要意义。采用树木年轮学方法,建立了敦化地区三大硬阔和红松4个树种的标准年表,与当地气候因子进行相关分析。结果表明:三大硬阔和红松对于气候因子的响应基本一致,与温度呈显著正相关,与降水相关较弱。月最低温度对红松径向生长限制最强,全年12个月都呈显著正相关。三大硬阔中,水曲柳的生长与1—10月的低温显著正相关,相关性最强; 黄菠萝的生长与温度的相关性次之,全年有8个月(2—9月)与低温显著相关; 胡桃楸的生长与温度的相关性较弱,仅与当年5、6、9月低温显著相关。综合分析表明,生长季低温(4—9月)是阔叶红松林树木生长的主要限制因子,因此基于水曲柳、胡桃楸和红松的平均年表重建了敦化地区1854年以来4—9月的最低温度。重建方程为Y = 4.28lnX+8.774,该方程解释了62.4%的低温变化,经分段检验证明重建方程稳定。重建序列表明,敦化地区过去158 a有3个偏冷期(1888—1933、1965—1971和1977—1980年)和3个偏暖期(1860—1873、1938—1947和1991—2010年),冷暖变化存在8.4、6.9~6.3、3.7、2.5和2.2 a等显著变化周期,近30 a增温显著。
Abstract:
Dunhua is located at the hinterland of the Changbai Mountains in northern hemisphere high latitudes. It is one of the most significant areas of global climate change and typical broadleaved Korean pine forests in China. Three hardwood species(Fraxinus mandshurica, Juglans mandshurica and Phellodendron amurense)and Pinus koraiensis are main tree species of natural forests in this region. These species are critical to explore responses of boreal forests to climate change in northeast China. Dendrochronological methods were used to establish four standard chronologies of three hardwood species and P. koraiensis. Then, correlation analyses were made between these four chronologies and local climatic factors. The results showed that three hardwood species and P. koraiensis had similar responses to climatic factors. They were significantly and positively correlated with temperature,but was weakly correlated with precipitation. The growth of P. koraiensis was positively correlated with monthly minimum temperature in whole year, but the F. mandshurica had a strongest positively correlation with the minimum temperatures of January to October. The growth of Ph. amurense had a secondary relationship with temperature, which significantly and positively correlated with the temperature of February to September. J. mandshurica had a weak correlation with minimum temperature and it just was significantly correlated with May, June and September temperatures. In summary, temperature was the main limited factor for radial growth of broadleaved P. koraiensis forests in this region, especially for minimum temperature in growing season(April to September). Therefore, minimum temperature in growing season since 1854 in Dunhua was reconstructed by using mean chronology of three hardwoods and P. koraiensis. The reconstruction equation(Y = 4.28lnX + 8.774)explained 62.4% of the variance in minimum temperature. Segmented test proved that this reconstruction equation was stable. Variations of cool and warm periods were identical by comparing with previous studies. Reconstructed temperature of the last 158 years in this region showed there were three warmer periods(1860-1873, 1938-1947 and 1991-2010)and three cooler periods(1888-1933, 1965-1971 and 1977-1980)and warming up in last 30 years. There a minimum temperature change cycle were 8.4, 6.9-6.3, 3.7, 2.5 and 2.2 a in Dunhua.

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备注/Memo

备注/Memo:
收稿日期:2012-10-05 修回日期:2013-01-14
基金项目:“十二五”国家科技支撑计划(2011BAD37B01); 长江学者和创新团队发展计划(IRT1054); 国家自然科学基金项目(30970481); 黑龙江省留学归国基金项目(LC2012C09)
第一作者:李牧,硕士生。*通信作者:王晓春,教授。E-mail: wangxc-cf@nefu.edu.cn。
引文格式:李牧,王晓春. 敦化三大硬阔、红松年轮-气候关系及生长季低温重建[J]. 南京林业大学学报:自然科学版,2013,37(3):29-34.
更新日期/Last Update: 2013-05-31