生态环境学报2026，Vol.35Issue(6)：909-921,13.DOI:10.16258/j.cnki.1674-5906.2026.06.008
茂兰喀斯特森林不同群落类型植物多样性与土壤理化性质的关系
Relationship between Plant Diversity and Soil Physical and Chemical Properties in Different Stands of Maolan Karst Forest
摘要
Abstract
In order to further understand the relationship between plant diversity and soil physical and chemical properties in karst forests,this study took Cyclobalanopsis glauca-Pittosporum crispatum forest(CP),Litsea verticillata-Viburnum sibiricum forest(LV),and Cornus hongkongense-Euonymus fortunei forest(CE)in Maolan Karst Forest as the research objects.One-way ANOVA,redundancy analysis and other methods were used to study the differences in plant diversity and soil physical and chemical properties in different forest stands,and to explore the relationship between them,providing a theoretical basis for the protection of biodiversity and the maintenance of ecological functions in karst forests.The results showed that:1)there were significant differences in plant diversity indexes among different community types,and the overall performance followed the trend:CP>CE>LV.Among them,the Shannon-Wiener Index,Pielou Index,functional richness,functional evenness and DBH Diversity Index of CP were significantly higher than those of LV,and the Simpson dominance and functional dispersion of LV were the highest.2)There were significant differences in soil organic matter(SOM),total nitrogen(TN),total phosphorus(TP),total potassium(TK),available potassium(AK),soil bulk density(Bd)and soil water content(SWC)among the three forest communities,but there was no significant difference in soil pH.Among them,SOM,TP,TN and SWC of CP were the highest,Bd of LV was the highest,TK of CE was the highest,CP soil property was the best,and LV soil was the poorest.3)The results of redundancy analysis and Monte Carlo permutation test showed that the soil physical and chemical properties of the three community types explained more than 75％of the plant diversity.Among them,SOM,AK,TN,TK and Bd were significantly correlated with plant diversity.This study reveals the mechanism of plant-soil interaction.In the karst area with high rock exposure rate and poor soil,shrub species such as Pittosporum crispatum,Viburnum bulrushii and Euonymus alatus can be preferentially planted for soil improvement to reduce soil bulk density and reduce soil erosion.After the improvement of soil environment,tree species such as Cyclobalanopsis glauca,Litsea verticillata and Dendrobenthamia hongkongensis can be gradually introduced to optimize community structure,improve community plant diversity,and enhance ecosystem stability and service functions.关键词
喀斯特森林/物种多样性/功能多样性/结构多样性/土壤理化性质Key words
Karst forest/species diversity/functional diversity/structural diversity/soil physical and chemical properties分类
农业科技引用本文复制引用
冯梦琪,龙翠玲,袁荣利,李娟..茂兰喀斯特森林不同群落类型植物多样性与土壤理化性质的关系[J].生态环境学报,2026,35(6):909-921,13.基金项目
国家自然科学基金项目(31660107) （31660107）
黔科合平台人才项目"退化喀斯特区土壤环境演变机制研究"([2020]6010-2) （[2020]6010-2）
"茂兰喀斯特森林植物功能群凋落物动态及土壤环境响应机制研究"([2017]5726-45) （[2017]5726-45）
