扬州大学学报（农业与生命科学版）2024，Vol.45Issue(2)：29-41,13.DOI:10.16872/j.cnki.1671-4652.2024.02.004
稻-虾共作模式下水体和土壤细菌群落特征研究
Characteristics of bacterial communities in water and soil under rice-crayfish co-cropping pattern
摘要
Abstract
Microbial communities play an important role in maintaining the stability of agricultural ecosystems and pro-moting material circulation and energy flow.To explore the effects of rice-crayfish co-cropping pattern on the microbial community structure and diversity in water and soil in Lixiahe Region,Jiangsu province,16S rDNA gene high-throughput sequencing technology was used to analyze and compare the composition and diversity of water and soil microbial commu-nities under rice-crayfish co-cropping pattern and rice monocropping pattern in August and September.In this study,compared with rice mono-cropping,the richness and diversity of water bacterial community in co-cropping pattern had an increasing trend,while the richness of its soil bacterial community did not change significantly,but diversity had a decrea-sing trend,especially in September significantly.In terms of bacterial community composition,co-culture pattern in-creased the relative abundance of Actinobacteria,Cyanobacteria and the pathogenic bacterium Acinetobacter of water,while decreased Firmicutes,Acidobacteria and Bacillus.The relative abundance of Actinobacteria and Rhizobiales in soil of co-cropping pattern was lower than that in the monocropping pattern,both of Nitrospirae and Steroidobacterales had the opposite variation.The functional prediction analysis revealed that abundance of bacterial carbohydrate metabolism in the co-cropping mode increased in water and decreased in soil compared to those of the monocropping pattern.The results showed that the rice-shrimp co-cropping mode changed the bacterial community and function in water and soil,improved the richness and diversity of the bacterial community in water and decreased the diversity of the bacterial community in soil.关键词
稻-虾共作/细菌群落/多样性/功能预测Key words
rice-crayfish co-cropping pattern/microbial communities/diversity/function prediction分类
农业科技引用本文复制引用
覃宝利,陈选青,唐金玉,韩光明,吴雷明,张家宏,王守红,朱凌宇,毕建花,寇祥明,葛恒来..稻-虾共作模式下水体和土壤细菌群落特征研究[J].扬州大学学报（农业与生命科学版）,2024,45(2):29-41,13.基金项目
江苏现代农业(克氏原螯虾)产业技术体系建设专项[JATS(2022)265] （克氏原螯虾）
江苏省重点研发计划项目(BE2021336) （BE2021336）
江苏现代农业(水稻)产业技术体系建设专项[JATS(2022)278] （水稻）
江苏省级农业生态保护与资源利用专项[省级(2022)78] （2022）
扬州市重点研发计划项目(YZ2023046、YZ2023244) （YZ2023046、YZ2023244）
