| Autor: |
WANG, X., LI, S. J., WENG, X. H., SUI, X., LI, M. S. |
| Předmět: |
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| Zdroj: |
Applied Ecology & Environmental Research; 2022, Vol. 20 Issue 5, p4459-4475, 17p |
| Abstrakt: |
Changes in land use patterns lead to changes in soil ecosystem functions, and soil microorganisms can sensitively reflect the evolution of soil quality and different ecosystem functions. Here, three typical land use patterns (wetland, arable land, and forest) in the Sanjiang Plain of northeastern China were selected to study the effect of land use changes on the microbial community structure of wetlands. High-throughput sequencing technology based on bacterial 16S rRNA genes was used to study the community structure of soil bacteria in three land use patterns and to explore the relationship between soil bacterial community and environmental factors. Our findings indicated that the dominant bacterial phyla in soils of different land use patterns were Proteobacteria, Acidobacteria, and Actinobacteria. However, the land use patterns significantly changed the composition and abundance of soil bacterial genera. Combined with the soil bacterial alpha diversity index, the soil bacterial α diversity in wetlands was higher than that in forests and farmlands. Soil bacterial beta diversity varied significantly among land use patterns. The redundancy analysis results showed that soil moisture content was the main factor affecting the bacterial community structure of wetland soils, whereas pH, soil organic carbon, and total nitrogen were the main factors affecting the soil bacterial community structure in forests, and total phosphorus and available phosphorus were the main factors affecting the soil bacterial community structure in arable land. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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