植物生态学报 ›› 2009, Vol. 33 ›› Issue (6): 1177-1183.DOI: 10.3773/j.issn.1005-264x.2009.06.018
张春雨1, 高露双1, 赵亚洲1, 贾玉珍1, 李金鑫2, 赵秀海1,*()
收稿日期:
2009-05-31
接受日期:
2009-08-04
出版日期:
2009-05-31
发布日期:
2021-04-29
通讯作者:
赵秀海
作者简介:
*(zhaoxh@bjfu.edu.cn)基金资助:
ZHANG Chun-Yu1, GAO Lu-Shuang1, ZHAO Ya-Zhou1, JIA Yu-Zhen1, LI Jin-Xin2, ZHAO Xiu-Hai1,*()
Received:
2009-05-31
Accepted:
2009-08-04
Online:
2009-05-31
Published:
2021-04-29
Contact:
ZHAO Xiu-Hai
摘要:
通过树木年轮学方法, 研究了树木性别、大小、邻体竞争和气候因子(温度和降水)对东北红豆杉(Taxus cuspidata)径向生长的影响。研究表明, 性别和树木大小对东北红豆杉径向生长影响显著, 雄株的径向生长速率显著大于雌株(p=0.023)。东北红豆杉雌、雄植株径向生长速率均与邻体竞争强度显著负相关(p<0.05), 并且邻体竞争对雌株径向生长的负效应更大。树木气候学分析表明, 东北红豆杉雌、雄植株径向生长对气候因子的响应不同。雌株径向生长量与前一年8月、前一年10月平均温度显著负相关, 雄株径向生长量与月平均温度不显著相关。雌株径向生长量与当年1月的降水量显著负相关, 而雄株径向生长量与当年8月的降水显著负相关。
张春雨, 高露双, 赵亚洲, 贾玉珍, 李金鑫, 赵秀海. 东北红豆杉雌雄植株径向生长对邻体竞争和气候因子的响应. 植物生态学报, 2009, 33(6): 1177-1183. DOI: 10.3773/j.issn.1005-264x.2009.06.018
ZHANG Chun-Yu, GAO Lu-Shuang, ZHAO Ya-Zhou, JIA Yu-Zhen, LI Jin-Xin, ZHAO Xiu-Hai. RESPONSE OF RADIAL GROWTH TO NEIGHBORING COMPETITION AND CLIMATE FACTORS IN TAXUS CUSPIDATA. Chinese Journal of Plant Ecology, 2009, 33(6): 1177-1183. DOI: 10.3773/j.issn.1005-264x.2009.06.018
图1 长白山森林生态系统定位研究站气象站1982~2007年平均月温度和月降水量 柱状图表示降水量 Bars indicate precipitation 点线图表示温度 Lines with dots indicate temperature 误差棒表示标准偏差 Error bars indicate SD
Fig. 1 Average monthly temperature and monthly precipitation for 1982-2007 at Meteorological Station in Research Station of Changbaishan Forest Ecosystems
变差来源 Variance source | 自由度 df | 平方和 Sum Sq | 均方 Mean Sq | F | p |
---|---|---|---|---|---|
个体大小 Individual size | 1 | 0.306 | 0.306 | 11.233 | 0.001 |
性别 Sex | 1 | 0.147 | 0.147 | 5.371 | 0.023 |
交互作用 Interactions | 1 | 0.002 | 0.002 | 0.065 | 0.799 |
残差 Residuals | 94 | 2.564 | 0.027 |
表1 性别和个体大小对径向生长速率影响的双因素方差分析
Table 1 Effects of sex and individual size on the radial growth rates evaluated by two-way ANOVA
变差来源 Variance source | 自由度 df | 平方和 Sum Sq | 均方 Mean Sq | F | p |
---|---|---|---|---|---|
个体大小 Individual size | 1 | 0.306 | 0.306 | 11.233 | 0.001 |
性别 Sex | 1 | 0.147 | 0.147 | 5.371 | 0.023 |
交互作用 Interactions | 1 | 0.002 | 0.002 | 0.065 | 0.799 |
残差 Residuals | 94 | 2.564 | 0.027 |
图2 不同径级东北红豆杉雌雄植株径向生长速率对比 F: 雌株 Female trees M: 雄株 Male trees
Fig. 2 Comparisons of growth rate of diameter at breast height (DBH) between sexes among individual sizes in Taxus cuspidata
图3 东北红豆杉径向生长速率与邻体竞争强度的关系
Fig. 3 Relationships between absolute growth rate of diameter at breast height (DBH) and neighboring competition intensity in Taxus cuspidata
年表统计量 Chronology statistics | 雄性 Male | 雌性 Female | ||
---|---|---|---|---|
标准年表 Standardized | 差值年表 Residual | 标准年表 Standardized | 差值年表 Residual | |
样芯数 No. of cores | 31 | 31 | 30 | 30 |
平均敏感度 Mean sensitivity | 0.156 5 | 0.138 8 | 0.144 0 | 0.136 6 |
标准差 Standard deviation | 0.146 1 | 0.108 9 | 0.147 4 | 0.108 9 |
斜度 Skewness | -1.159 5 | -0.220 6 | 1.281 5 | -0.063 5 |
峰度 Kurtosis | 5.866 8 | 0.371 8 | 9.553 9 | 0.203 8 |
一阶自相关系数 First order autocorrelation | 0.400 2 | 0.029 9 | 0.263 5 | 0.059 5 |
表2 树轮年表描述统计特征
Table 2 Descriptive statistics for tree-ring chronologies
年表统计量 Chronology statistics | 雄性 Male | 雌性 Female | ||
---|---|---|---|---|
标准年表 Standardized | 差值年表 Residual | 标准年表 Standardized | 差值年表 Residual | |
样芯数 No. of cores | 31 | 31 | 30 | 30 |
平均敏感度 Mean sensitivity | 0.156 5 | 0.138 8 | 0.144 0 | 0.136 6 |
标准差 Standard deviation | 0.146 1 | 0.108 9 | 0.147 4 | 0.108 9 |
斜度 Skewness | -1.159 5 | -0.220 6 | 1.281 5 | -0.063 5 |
峰度 Kurtosis | 5.866 8 | 0.371 8 | 9.553 9 | 0.203 8 |
一阶自相关系数 First order autocorrelation | 0.400 2 | 0.029 9 | 0.263 5 | 0.059 5 |
公共区间统计量 Common interval statistics | 雄性 Male (1865~2007) | 雌性 Female (1859~2007) |
---|---|---|
样芯间平均相关性 Mean correlations among all cores | 0.158 | 0.203 |
信噪比 Signal-to-noise ratio (SNR) | 5.500 | 5.103 |
样本总体代表性 Expected population signal (EPS) | 0.858 | 0.876 |
第一主成分解释方差量 Variance in first eigenvector (%) | 20.24 | 27.64 |
年表公共区间均值 Chronology common interval mean | 0.989 | 0.986 |
年表公共区间标准差值 Chronology common interval SD | 0.093 | 0.117 |
表3 树轮年表公共区间分析
Table 3 Common interval analysis of tree-ring chronologies
公共区间统计量 Common interval statistics | 雄性 Male (1865~2007) | 雌性 Female (1859~2007) |
---|---|---|
样芯间平均相关性 Mean correlations among all cores | 0.158 | 0.203 |
信噪比 Signal-to-noise ratio (SNR) | 5.500 | 5.103 |
样本总体代表性 Expected population signal (EPS) | 0.858 | 0.876 |
第一主成分解释方差量 Variance in first eigenvector (%) | 20.24 | 27.64 |
年表公共区间均值 Chronology common interval mean | 0.989 | 0.986 |
年表公共区间标准差值 Chronology common interval SD | 0.093 | 0.117 |
图5 东北红豆杉标准年表年轮序列与月平均温度及 降水量相关性分析
Fig. 5 Correlation analysis between annual tree-ring standard chronology and monthly mean temperature and precipitation in Taxus cuspidata * p<0.05
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