Journal
FUNGAL ECOLOGY
Volume 40, Issue -, Pages 50-61Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.funeco.2018.11.011
Keywords
Ectomycorrhizal; EM inoculation; Acidification; Biogeochemical cycling; Microbial communities; Fungal community composition; Pinus massoniana; P. tinctorius
Funding
- Fundamental Research Funds for the Central Non-profit Research Institution of CAF in China [CAFRIFEEP201402]
- Fundamental Research Funds for the Central Non-profit Research Institution of CAF [CAFYBB2017SY026]
- United States National Science Foundation [NSF ICER-1541047]
- National Science Foundation [NSF BIO-EF-1550920]
- Mycological Society of America's Translational Mycology Postdoctoral Award
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Human activities accelerate acidification, particularly as acid rain, which may have lasting impacts on soil abiotic and biotic parameters. However, the effects of acidification on aboveground vegetation, below-ground communities, and carbon cycling remains unresolved. We examined the effects of long-term acidic treatments and Pisolithus tinctorius inoculation on plants, soils, and microbial communities in pine (Pinus) plantations and found that exposure to severely-acidic treatments diminished plant performance, altered microbial communities, and decreased organic matter, nitrate, and available phosphorus. Although we did not detect any benefits of P. tinctorius inoculation for Pinus seedlings impacted by severely-acidic treatments, when these severe treatments were inoculated with P. tinctorius, both soil properties and microbial community composition shifted. We posit that inoculation with P. tinctorius may alleviate stressful environmental conditions, and change the structure of mycorrhizal fungal communities. Although acidification may alter biogeochemical cycles and constrain aboveground and belowground communities, P. tinctorius inoculation may provide benefits to some components of forested ecosystems. (C) 2018 Elsevier Ltd and British Mycological Society. All rights reserved.
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