浙江天童枫香树群落不同垂直层次物种间的联结性与相关性

周刘丽, 张晴晴, 赵延涛, 许洺山, 程浚洋, 朱丹妮, 宋彦君, 黄海侠, 史青茹, 阎恩荣

Species association and correlation between vertical layers in the Liquidambar formosana community in Tiantong region, Zhejiang Province

ZHOU Liu-Li,ZHANG Qing-Qing,ZHAO Yan-Tao,XU Ming-Shan,CHENG Jun-Yang,ZHU Dan-Ni,SONG Yan-Jun,HUANG Hai-Xia,SHI Qing-Ru,YAN En-Rong

表2 乔木层与亚乔木层物种种对间联结性与相关性检验结果

Table 2 Results of association and correlation tests of species-pairs between tree layer and sub-tree layer

检验方法 Test methods 乔木层物种 Tree layer species 正联结(相关) Positive association (correlation) 负联结(相关) Negative association (correlation) χ2检验 χ2-test 枫香树 Liquidambar formosana 檫木 Sassafras tzumu 黄檀 Dalbergia hupeana Spearman秩相关检验 Spearman rank correlation test 枫香树 Liquidambar formosana 檫木 Sassafras tzumu 红楠 Machilus thunbergii * 黄檀 Dalbergia hupeana