滇中云南杨梅灌丛主要木本植物生态位与种间联结
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张零念, 朱贵青, 杨宽, 刘星月, 巩合德, 郑丽
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Niche and interspecific association of main woody plants in Myrica nana shrubland in central Yunnan, China
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ZHANG Ling-Nian, ZHU Gui-Qing, YANG Kuan, LIU Xing-Yue, GONG He-De, ZHENG Li
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表4 滇中云南杨梅灌丛主要木本植物的χ2检验、Pearson相关检验和Spearman秩相关检验结果比较
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Table 4 Comparison of chi-square test, Pearson correlation test and Spearman rank correlation test results of main woody plants in Myrica nana shrubland in central Yunnan
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检验方法
Test method | 正联结关系 Positive connection relationship | 负联结关系 Negative connection relationship | 极显著
Extremely significant
(p < 0.01) | 显著
Significant
(0.01 ≤
p ≤ 0.05) | 不显著
Not
significant
(p > 0.05) | 总数
Sum | 极显著
Extremely
significant
(p < 0.01) | 显著
Significant
(0.01 ≤
p ≤ 0.05) | 不显著
Not
significant
(p > 0.05) | 总数
Sum | | χ2检验 Chi-square test | 4 (2.11%) | 12 (6.32%) | 132 (69.47%) | 148 (77.89%) | 0 (0.00%) | 2 (1.05%) | 40 (21.05%) | 42 (22.11%) | | Pearson相关 Pearson’s correlation | 15 (7.89%) | 5 (2.63%) | 43 (22.63%) | 63 (33.16%) | 0 (0.00%) | 0 (0.00%) | 127 (66.84%) | 127 (66.84%) | | Spearman秩相关 Spearman’s rank correlation | 13 (6.84%) | 16 (8.42%) | 47 (24.74%) | 76 (40.00%) | 0 (0.00%) | 6 (3.16%) | 108 (56.84%) | 114 (60.00%) |
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