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Soil Microbial Communities Show Different Patterns under Different Land Use Types in the Coastal Area of Nantong, China

文献类型： 外文期刊

作者： Li, Jinbiao 1 ; Hu, Anyong 1 ; Wang, Xiuping 3 ; Zhao, Chuang 1 ; Jin, Jiarui 1 ; Liu, Guangming 2 ; Han, Yujie 1 ; Liu, Bo 1 ;

作者机构： 1.Nantong Univ, Sch Geog Sci, Nantong 226019, Peoples R China

2.Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Nanjing 210008, Peoples R China

3.Hebei Acad Agr & Forestry Sci, Inst Coastal Agr, Tangshan 063200, Peoples R China

关键词： land-use type; soil properties; microbial diversity and composition; microbial ecological functions

期刊名称：AGRONOMY-BASEL （ 影响因子：3.7； 五年影响因子：4.0 ）

ISSN：

年卷期： 2023 年 13 卷 10 期

页码：

收录情况： SCI

摘要： Tidal flats in eastern China have undergone various transformations into other land-use types. Understanding the impact of land-use conversion on soil properties and microbial communities is crucial for effective ecological conservation efforts. In this study, we compared soil chemical properties and the diversity, composition, and ecological functions of soil bacterial and fungal communities across four land-use types: natural bare land (BL), unused reclaimed tidal land (Phragmites, PL), agricultural land (maize, ML), and shelterbelt land (SL), utilizing next-generation sequencing technology. The results indicated that soil electrical conductivity decreased, while soil organic carbon (SOC) and nutrient contents increased in ML and SL compared to BL and PL. The bacterial Chao1 and fungal Chao1 and Shannon values vary across different land-use types. A higher relative abundance of Acidobacteriota, specifically RB41, was found in ML compared to BL. Principal coordinate and PerMANOVA analysis showed that the composition of bacterial and fungal communities differed significantly across the four land-use types. SOC explained the most variance in both bacterial and fungal communities. Carbon-related functional genes and fungal guilds exhibit greater diversity across the four land-use types compared to nitrogen-related functional genes. In conclusion, the transformation of natural land-use types to managed one greatly altered soil chemical and microbial properties. Our study offers foundational insights into the microbial communities in the typical land-use types of Eastern China's coastal area. Future studies should emphasize the quantification of human interventions and their impact on soil microbial communities and ecological functions.

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