吉林蛟河针阔溷交林群落优势种群种间联结性.pdf

第47卷第12期 20 1年12月林业科学 SCIENTIA SILVAE SINICAE , Dec.,2 0 吉林蛟河针阔混交林群落优势种群种间联结性+ 姜俊赵秀海(北京林业大学省部共建森林培育与保护教育部重点实验室北京100083) 关键词:种间联结;生态位重叠;联结系数检验;生态种组中图分类号:$718;Q145;Q948 文献标识码:A 文章编号:1001—7488(2011)12—0149—05 Interspecific Correlations among Dominant Tree Species inthe Coniferous and Broad-Leaved Mixed munities Province Jiang Jun Zhao Xiuhai (KeyLaboratoryfor Silviculture and Conservation ofMinistryofEducation,Beijing Forestry University Beijing100083) Abstract: Based on the2 X2contingency tables ofspecies presence/absence data collected from a42 hm2 permanent plot intheconiferous and board—leaved mixed forest inJiaohe,the VR analysis,Z2test,Pearson correlation coefficient test and Spearman rank correlation coefficient test were used in quantitative analysis ofthe interspecific correlations of 8 dominant results indicated that there was a significantly positive correlation ofoverall association inthe broad—leaved mixed munity,but most species were insignificant positive result ofx2-test showed thatthere was apositive association for85 species—pairs and a negative association for65 species— Spearman rank correlation coefficient test produced more positive correlation species—pairs than the Pearson correlation coefficient positive associations were presented among overall tree species of munity,which suggested t