Abstract:
:Current research on the influence of environmental and physicochemical factors in shaping the soil bacterial structure has seldom been approached from a pedological perspective. We studied the bacterial communities of eight soils selected along a pedogenic gradient at the local scale in a Mediterranean calcareous mountain (Sierra de María, SE Spain). The results showed that the relative abundance of Acidobacteria, Canditate division WPS-1, and Armatimonadetes decreased whereas that of Actinobacteria, Bacteroidetes, and Proteobacteria increased from the less-developed soils (Leptosol) to more-developed soils (Luvisol). This bacterial distribution pattern was also positively correlated with soil-quality parameters such as organic C, water-stable aggregates, porosity, moisture, and acidity. In addition, at a lower taxonomic level, the abundance of Acidobacteria Gp4, Armatimonadetes_gp4, Solirubrobacter, Microvirga, Terrimonas, and Nocardioides paralleled soil development and quality. Therefore, our work indicates that the composition of bacterial populations changes with pedogenesis, which could be considered a factor influencing the communities according to the environmental and physicochemical conditions during the soil formation.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Sánchez-Marañón M,Miralles I,Aguirre-Garrido JF,Anguita-Maeso M,Millán V,Ortega R,García-Salcedo JA,Martínez-Abarca F,Soriano Mdoi
10.1038/s41598-017-15133-xsubject
Has Abstractpub_date
2017-11-06 00:00:00pages
14593issue
1issn
2045-2322pii
10.1038/s41598-017-15133-xjournal_volume
7pub_type
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