Contrasting fungal functional groups influence nutrient cycling across four Japanese cool-temperate forest soils

Understanding soil dynamics and nutrient cycling is crucial for the sustainable management of Japanese forests covering 70 % of the national land area. These forests are dominated by tree species with contrasting traits, influencing soil dynamics differently. We investigated how changes in soil char...

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Bibliographic Details
Published in:Applied soil ecology : a section of Agriculture, ecosystems & environment ecosystems & environment, 2024-06, Vol.198, p.105360, Article 105360
Main Authors: Seidel, Felix, Castaño, Carles, Alday, Josu G., Lopez C., M. Larry, Bonet, José Antonio
Format: Article
Language:English
Subjects:
Ectomycorrhiza
Markvetenskap
Mycorrhizal types
N cycling
Saprotrophs
Soil fungi
Soil Science
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Summary:Understanding soil dynamics and nutrient cycling is crucial for the sustainable management of Japanese forests covering 70 % of the national land area. These forests are dominated by tree species with contrasting traits, influencing soil dynamics differently. We investigated how changes in soil characteristics across different forest stands shift in composition and functioning of fungal communities. Four different forest stands dominated by two different mycorrhizal types were selected: Fagus crenata and Larix kaempferi, representing ectomycorrhizal (ECM) types, and Cryptomeria japonica and Robinia pseudoacacia, representing arbuscular mycorrhizal (AM) types. In total, 62 composite topsoil samples from two depths were analyzed for their physicochemical properties and fungal communities were profiled by DNA sequencing. Ectomycorrhizal fungi dominated soils of Fagus crenata and Larix kaempferi forests, while fungal saprotrophs were more abundant in Cryptomeria japonica and Robinia pseudoacacia forests. Forest stand type rather than soil depth determined the composition and structure of soil fungal communities. Soil pH was positively correlated with abundances of saprotrophic fungi (P 
ISSN:0929-1393
1873-0272
1873-0272
DOI:10.1016/j.apsoil.2024.105360