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  • Soil extracellular enzyme activities in plots dominated by trees that associate with arbuscular mycorrhizal or ectomycorrhizal fungi in the N fertilized and reference watershed at the Bear Brook Watershed in Maine, USA.
  • Carrara, Joseph E; West Virginia University
    Walter, Christopher A; West Virginia University
    Freedman, Zachary B; Department of Soil Science, University of Wisconsin-Madison
    Hostetler, Ashley N; West Virginia University
    Hawkins, Jennifer S; West Virginia University
    Fernandez, Ivan J; University of Maine, School of Forest Resources and Climate Change Institute
    Brzostek, Edward R; West Virginia University
  • 2021-01-05
  • Carrara, J.E., C.A. Walter, Z.B. Freedman, A.N. Hostetler, J.S. Hawkins, I.J. Fernandez, and E.R. Brzostek. 2021. Soil extracellular enzyme activities in plots dominated by trees that associate with arbuscular mycorrhizal or ectomycorrhizal fungi in the N fertilized and reference watershed at the Bear Brook Watershed in Maine, USA. ver 1. Environmental Data Initiative. https://doi.org/DOI_PLACE_HOLDER (Accessed 2024-12-29).

  • Our objective was to detect possible differences in N fertilization responses of soil extracellular enzymes in plots dominated by trees that associate with arbuscular mycorrhizal fungi (AM) or ectomycorrhizal fungi (ECM). To do this, we established a plot network of 6 AM and 6 ECM dominated (>65% diameter at breast height) 10 x 10 m plots in the lower elevation hardwood zone of both the reference and N fertilized watersheds (N=24 plots) at Bear Brook Watershed, in Maine USA. We assayed the potential activity of hydrolytic enzymes that release N (N-acetylglucosaminidase; NAG), phosphorus (acid phosphatase; AP), and simple carbon (ß-glucosidase; BG). In addition, we measured microbial allocation to complex C degrading oxidative enzymes phenol oxidase and peroxidase. The activities of these enzymes were measured separately in bulk mineral, rhizosphere, and organic horizon soils during the growing season in 2016.

  • N: 44.861781      S: 44.861781      E: -68.106971      W: -68.106971
  • edi.122.1  (Uploaded 2021-01-05)  
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  • DOI PLACE HOLDER
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