Inconsistent diversity patterns of soil fungi and woody plants among habitat types in a karst broadleaf forest

Wanxia Peng, Tongqing Song, Hu Du, Huijun Chen, Fuping Zeng, Yongxian Liu, Yiqi Luo, Weining Tan

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


The diversity patterns of macroorganisms (i.e., plants) among different habitats have been well documented, however, those of microorganisms (i.e., fungi) as well as the relationships between them are still unclear. Here, we tested whether and to what degree fungal diversity was related to habitat types and compared diversity patterns of woody plants and soil fungi. We carried out field investigations on soil fungi in different habitat types (i.e., valleys, foothills, hillsides, and hilltops) in a 25-ha karst broadleaf forest in Southwest China. The tree richness, Shannon index, and Simpson index significantly increased from valleys to hilltops. While the soil fungal N1 diversity (the exponential Shannon index) marginally increased toward valleys, fungal N0 (richness) and N2 (the inverse Simpson index) diversity exhibited significantly reduced and increased patterns, respectively, from valleys to hilltops. The major fungal functional groups (i.e., EcM, AM, saprotrophic, and pathogenic fungi) showed similar increasing richness patterns in valleys. Moreover, woody plant alpha diversity was an important indicator of fungal functional groups except for EcM and AM fungi. In addition, woody plants increased in species turnover rate (βSIM) from valleys to hilltops, while fungal species had a concave distribution. The patterns of nestedness (βSNE) for tree species decreased from valleys to hilltops, while the opposite was true for soil fungal species. Our findings indicated that the diversity patterns of woody plants and fungi were inconsistent among habitat types, and the relationships between fungal and woody plant communities depended on habitat types in the karst forest.

Original languageEnglish (US)
Article number118367
JournalForest Ecology and Management
StatePublished - Oct 15 2020


  • Diversity pattern
  • Habitat types
  • Illumina sequencing
  • Karst ecosystems
  • Soil fungi
  • Woody plants

ASJC Scopus subject areas

  • Forestry
  • Nature and Landscape Conservation
  • Management, Monitoring, Policy and Law


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