Composition and Diversity of Soil Fungi in Dipterocarpaceae-Dominated Seasonal Tropical Forests in Thailand

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  • Amma Sarasa
    Division of Forest and Biomaterials Science, Graduate School of Agriculture, Kyoto University
  • Toju Hirokazu
    Center for Ecological Research, Kyoto University Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency
  • Wachrinrat Chongrak
    Department of Silviculture, Faculty of Forestry, Kasetsart University
  • Sato Hirotoshi
    Department of Environmental Solution Technology, Faculty of Science & Technology, Ryukoku University
  • Tanabe Akifumi S.
    Department of Biology, Graduate School of Science, Kobe University
  • Artchawakom Taksin
    Sakaerat Environmental Research Station, Wang Nam Khiao
  • Kanzaki Mamoru
    Division of Forest and Biomaterials Science, Graduate School of Agriculture, Kyoto University

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Abstract

<p>Although fungi play essential roles in nutrient cycles and plant growth in forest ecosystems, limited information is currently available on the community compositions of soil fungi in tropical forests. Few studies have examined fungal community structures in seasonal tropical forests, in which forest fires potentially have a large impact on above- and belowground community processes. Based on high-throughput sequencing technologies, we herein examined the diversity and community structures of soil fungi in dry seasonal tropical forests in Sakaerat, northeast Thailand. We found that fungal community compositions diverged among dry evergreen, dry deciduous, and fire-protected dry deciduous forests within the region. Although tree species diversity did not positively correlate with soil fungal diversity, the coverage of an understory bamboo species (Vietnamosasa pusilla) showed a strong relationship with fungal community structures. Our community ecological analysis also yielded a list of fungi showing habitat preferences for either of the neighboring evergreen and deciduous forests in Sakaerat. The present results provide a basis for managing soil fungal communities and aboveground plant communities in seasonal tropical forests in Southeast Asia.</p>

Journal

  • Microbes and Environments

    Microbes and Environments 33 (2), 135-143, 2018

    Japanese Society of Microbial Ecology / Japanese Society of Soil Microbiology / Taiwan Society of Microbial Ecology / Japanese Society of Plant Microbe Interactions / Japanese Society for Extremophiles

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