热带亚热带植物学报2025，Vol.33Issue(2)：121-130,10.DOI:10.11926/jtsb.4869
热带亚热带森林乔木的径向生长速率与功能性状的相关性
Relationships Between Diametral Growth Rate and Functional Traits of Tree Species in Tropical and Subtropical Forest
摘要
Abstract
Exploring the correlation between tree functional traits and growth is helpful to predict the growth dynamics of tree species under climate change.A total of 56 dominant tree species were measured in 3 typical tropical and subtropical forest plots,including branch embolism resistance(P50),water conductivity(ks),wood density(WD),specific leaf area(SLA),and vessel anatomical traits.Diametral growth rate(DGR)of large diameter class(DBH≥15 cm),small diameter class(5-15 cm)and undifferentiated diameter class(≥5 cm)were calculated based on community survey data,and the correlation between traits and DGR was analyzed.The results showed that DGR of different diameter classes was positively correlated with ks,but not with SLA,P50 and vessel anatomical traits.WD and DGR with small diameter tree species were negatively correlated,but not with large diameter tree species.Therefore,it was suggested that xylem water conductivity could better predict the growth rate of tropical and subtropical forest trees than economic traits.关键词
木质部解剖/水力效率/栓塞抗性/生长速率/木材密度/比叶面积Key words
Xylem anatomy/Hydraulic efficiency/Embolism resistances/Growth rate/Wood density/Specific leaf area引用本文复制引用
张军,黄佳莉,万春燕,张峰,余俊瑞,王宏翔,朱师丹..热带亚热带森林乔木的径向生长速率与功能性状的相关性[J].热带亚热带植物学报,2025,33(2):121-130,10.基金项目
国家自然科学基金项目(32171502)资助This work was supported by the National Natural Science Foundation of China(Grant No.32171502). （32171502）
