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- Title
Comparative Analysis of Japanese Soils: Exploring Power Generation Capability in Relation to Bacterial Communities.
- Authors
Yue, Zihan; Yuan, Kun; Seki, Mayuko; Agake, Shin-Ichiro; Matsumura, Keisuke; Okita, Naohisa; Naoi, Wako; Naoi, Katsuhiko; Toyota, Koki; Tanaka, Haruo; Sugihara, Soh; Yasuda, Michiko; Ohkama-Ohtsu, Naoko
- Abstract
This study explores the complex relationship between soil electricity generating capacity, bacterial community dynamics, and soil chemical and physical properties across diverse regions of Japan. First, soil samples were systematically collected and analyzed. Subsequent investigations evaluated soil microbial biomass carbon, dissolved organic carbon (DOC), and total dissolvable iron (DFeT) concentrations. In the experiments, soil samples underwent a rigorous 60-day microbial fuel cell trial, wherein power density and total energy output were measured. Significant variations in power density were observed among different soil samples; specifically, a sugarcane field designated as Okinawa-3 and a peach orchard soil as Nagano-2 demonstrated relatively high total energy output. Analysis of soil bacterial community structures identified some families which showed positive correlations with increased electricity generation capabilities. Correlation analyses revealed associations between these bacterial communities and key soil parameters, particularly with DOC and DFeT concentrations. Redundancy analysis revealed intricate connections between soil properties and electricity generation capacities. Particularly noteworthy was the positive correlation between Acidobacteriaceae and DOC, as well that between Sphingomonadaceae and electricity generation, highlighting the crucial roles of soil microbial communities and chemical compositions in driving electricity generation processes.
- Subjects
JAPAN; BACTERIAL communities; SOIL testing; MICROBIAL fuel cells; COMMUNITY relations; ELECTRIC power production
- Publication
Sustainability (2071-1050), 2024, Vol 16, Issue 11, p4625
- ISSN
2071-1050
- Publication type
Article
- DOI
10.3390/su16114625