西南林业大学学报2025，Vol.45Issue(1)：88-95,8.DOI:10.11929/j.swfu.202311015
闽江河口湿地土壤细菌群落结构与多样性特征
Soil Bacterial Community Structure and Diversity Characteristics in Minjiang Estuary Wetland
摘要
Abstract
In this study,the typical vegetation types(Kandelia candel,Phragmites australis,Cyperus malac-censis)in the Minjiang Estuary were used as the research objects,and the bare flat was used as the control.The 16S rRNA high-throughput sequencing technology was used to explore the diversity of bacteria in the surface soil of different vegetation types.The results showed that 6410 OTUs were obtained from soil samples,belonging to 97 phylas,191 classes,359 orders,468 families,582 generas and 170 species.At the phylum level,the dominant bacteria were Proteobacteria,Bacteroidota,Cyanobacteria,Firmicutes and so on.The dominant bacteria in the mudflat soil were Cyanobacteria,the K.candel community was Bacteroidota,and the P.australis community and C.malaccensis community were Proteobacteria.At the class level,the relative abundance ratios of Cyanobac-teriia and Bacilli were mudflat＞K.candel＞P.australis＞C.malaccensis.At the order level,the dominant order in K.candel and P.australis communities was Flavobacteriales.At the family level,Flavobacteriaceae was the dominant family in the soil of K.candel,P.australis and C.malaccensis,with the relative abundance ratios of 29.60%,18.02%and 6.17%,respectively.At the genus level,Flavobacterium was the main dominant genus in the 3 vegetation-covered soils.At the species level,Jeotgalibacillus malaysiensis is a unique species in mudflat.The Observed species,Shannon index and Simpson index of different vegetation communities showed C.malaccensis＞P.australis＞K.candel＞mudflat,and the soil of mudflat was significantly different from that of the 3 vegetation communities.The bacterial community and diversity of the Minjiang Estuary wetland show specific environment-al preferences based on the presence or absence of vegetation coverage and different types of vegetation coverage.关键词
植被类型/湿地/表层土壤/高通量测序/细菌群落结构/多样性Key words
vegetation type/wetland/surface soil/high-throughput sequencing/bacterial community struc-ture/diversity分类
生物学引用本文复制引用
张马啸,毛梦圆,陈宇龙,袁宗胜,李树斌,潘辉,周丽丽..闽江河口湿地土壤细菌群落结构与多样性特征[J].西南林业大学学报,2025,45(1):88-95,8.基金项目
福建省林业科技项目(2022FKJ30)资助 （2022FKJ30）
福州市科技计划项目(2022-S-004)资助. （2022-S-004）
