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  • Ice Storm Mycorrhizal Fungi data for Yancey et al. in press
  • Yancey, Colleen; Doctoral Candidate; University of Michigan
    Juice, Stephanie; Postdoctoral Fellow; West Virginia University
    Adair, E. Carol; Associate Professor; UNIVERSITY OF VERMONT
  • 2023-03-28
  • Yancey, C., S. Juice, and E. Adair. 2023. Ice Storm Mycorrhizal Fungi data for Yancey et al. in press ver 1. Environmental Data Initiative. https://doi.org/DOI_PLACE_HOLDER (Accessed 2024-12-27).

  • Extreme weather events, such as ice storms, are increasing and have potentially large impacts on forests, including belowground structures such as fine roots and mycorrhizal fungi. Many forest trees rely on the mutualistic relationship between mycorrhizal fungi and plants; a relationship that when disrupted can negatively impact tree net primary productivity. We took advantage of a large-scale ice storm manipulation in the northeastern United States (US) to test the hypothesis that increasing ice storm intensity and frequency would reduce ectomycorrhizal fungal root tips per unit root length and arbuscular mycorrhizal fungal structures per unit root length, hereafter colonization. We found that ice storm intensity reduced spring ectomycorrhizal fungal and arbuscular mycorrhizal fungal colonization. However, these patterns changed in the fall where ice storm intensity still reduced ectomycorrhizal fungal root tips, but arbuscular mycorrhizal fungal colonization was higher in ice storm treatments than controls. The amount of ectomycorrhizal fungal root tips and arbuscular mycorrhizal fungal colonization differed seasonally: ectomycorrhizal fungal root tips were 1.7× higher in the spring than in the fall, while arbuscular mycorrhizal fungal colonization was 3× higher in the fall than in the spring. Our results indicate that mycorrhizal fungal colonization responses to ice storm severity vary temporally and by mycorrhizal fungal type. Further, arbuscular mycorrhizal fungi may recover from ice storms relatively quickly, potentially aiding forests in their recovery, whereas ice storms may have a longer lasting impact on ectomycorrhizal fungi.

  • N: 43.9362      S: 43.935      E: -71.756      W: -71.759
  • edi.1383.1  (Uploaded 2023-03-28)  
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  • DOI PLACE HOLDER
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