[1]Liu Xiaohua,Wei Tianxing,Fan Dehui,et al.Characteristics of soil fungal community structure during vegetation restoration in typical artificial forests in loess region of western Shanxi Province[J].Research of Soil and Water Conservation,2025,32(06):151-159.[doi:10.13869/j.cnki.rswc.2025.06.043]
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Characteristics of soil fungal community structure during vegetation restoration in typical artificial forests in loess region of western Shanxi Province
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
32
Number of periods:
2025 06
Page number:
151-159
Column:
Public date:
2025-10-20
- Title:
- Characteristics of soil fungal community structure during vegetation restoration in typical artificial forests in loess region of western Shanxi Province
- Keywords:
- vegetation restoration; soil fungal community; high throughput sequencing; soil environmental factors
- CLC:
- S714.3
- DOI:
- 10.13869/j.cnki.rswc.2025.06.043
- Abstract:
- [Objective] This study aims to explore the soil fungal community flora and structural characteristics during vegetation restoration in typical artificial forests, provide references for improving vegetation restoration quality of farmland converted to forest on the Loess Plateau, and offer theoretical support for determining suitable forest ecosystem management models for the Loess Plateau. [Methods] The study took artificial Robinia pseudoacacia forests with different restoration ages (15, 25, and 35 years) at the Jixian National Forest Ecosystem Observation and Research Station in Shanxi Province as the research objects, with farmland as control. Based on comprehensive field surveys, high-throughput sequencing technology was used to analyze soil fungal community composition and the effects of soil factors on fungal communities. [Results](1) Sequencing of soil samples yielded 331 008 valid sequences, with an average length of 401.41 bp, totaling 23 phyla, 41 classes, 68 orders, 89 families, 95 genera, 130 species, and 267 OTUs. (2) With the increase of vegetation restoration years, soil fungal community richness and diversity ranked as 35-year Robinia pseudoacacia forest (RH3)> farmland(FL)>25-year Robinia pseudoacacia forest(RH2)>15-year Robinia pseudoacacia forest(RH1).(3) No difference was found in soil fungal community types, with dominant phyla being Ascomycota and Basidiomycota. The relative abundance of Ascomycota gradually decreased, while that of Basidiomycota gradually increased. Dominant classes included Sordariomycetes, Agaricomycetes, Eurotiomycetes, and Dothideomycetes.(4) Soil factors all influenced soil fungal community structure, with TOC and NH4+ -N having the greatest influence on fungal community structure. [Conclusion] Vegetation restoration enhances soil fungal community richness and diversity. No differences were observed in fungal community types during vegetation restoration, but the relative abundance of dominant fungal phyla changed. Regulating vegetation restoration measures can optimize soil fungal community structure, thereby improving soil quality and ecological functions on the Loess Plateau.
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Last Update:
2025-12-10