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<p>Miombo forests are ecologically and economically important; however, knowledge about mycorrhizal assemblages harboured by these ecosystems and the driving factors is scarce. We investigated the composition and diversity of soil arbuscular and ectomycorrhizal fungi in Miombo National Forest Reserves in Zambia across three sites with different tree species compositions, soil properties, and climatic conditions. Our DNA metabarcoding results identified distinct mycorrhizal fungal communities among the study sites, driven by soil pH, moisture, and nutrient content. Mycorrhizal diversity was highest at sites with low mean annual precipitation. Across all study sites, the variation in mycorrhizal fungal diversity could be explained by soil pH, moisture, and nutrients, while tree species composition contributed little variation. The taxonomic composition and relative abundances of mycorrhizal fungal genera varied among study sites. Our results suggest that changes in tree species composition have the potential to influence mycorrhizal communities in Miombo ecosystems, with implications for ecosystem functions and services.</p>

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Response of mycorrhizal fungal communities to tree species composition and soil properties in the Miombo subtropical dry forest

  • 期刊论文

  • 发表日期：

    2026年4月28日

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  • Likulunga Emmanuel Likulunga,
  • Bethan Manley,
  • Mashuta Kalebe,
  • Mokwani Kaluwe,
  • Saasa Ngonda,
  • Kelvin Mwambu,
  • Edwin Lungu,
  • Mupelwa Nalupumbwe,
  • Cyprian Katongo,
  • Stephen Malunga Manchishi

摘要

Miombo forests are ecologically and economically important; however, knowledge about mycorrhizal assemblages harboured by these ecosystems and the driving factors is scarce. We investigated the composition and diversity of soil arbuscular and ectomycorrhizal fungi in Miombo National Forest Reserves in Zambia across three sites with different tree species compositions, soil properties, and climatic conditions. Our DNA metabarcoding results identified distinct mycorrhizal fungal communities among the study sites, driven by soil pH, moisture, and nutrient content. Mycorrhizal diversity was highest at sites with low mean annual precipitation. Across all study sites, the variation in mycorrhizal fungal diversity could be explained by soil pH, moisture, and nutrients, while tree species composition contributed little variation. The taxonomic composition and relative abundances of mycorrhizal fungal genera varied among study sites. Our results suggest that changes in tree species composition have the potential to influence mycorrhizal communities in Miombo ecosystems, with implications for ecosystem functions and services.