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Ectomycorrhizal community composition and function in a spruce forest transitioning between nitrogen and phosphorus limitation

Almeida, Juan Pablo LU ; Rosenstock, Nicholas P. LU ; Forsmark, Benjamin ; Bergh, Johan and Wallander, Håkan LU orcid (2019) In Fungal Ecology 40. p.20-31
Abstract

Nitrogen is the main limiting nutrient in boreal ecosystems, but studies in southwest Sweden suggest that certain forests approach phosphorus (P) limitation driven by nitrogen (N) deposition. We added N, P or N + P to a Norway spruce forest in this region, to push the system to N or P limitation. Tree growth and needle nutrient concentrations indicated that the trees are P limited. EMF biomass was reduced only by N + P additions. Soil EMF communities responded more strongly to P than to N. Addition of apatite to ingrowth meshbags altered EMF community composition and enhanced the abundance of Imleria badia in the control and N plots, but not when P was added. The ecological significance of this species is discussed. Effects on tree... (More)

Nitrogen is the main limiting nutrient in boreal ecosystems, but studies in southwest Sweden suggest that certain forests approach phosphorus (P) limitation driven by nitrogen (N) deposition. We added N, P or N + P to a Norway spruce forest in this region, to push the system to N or P limitation. Tree growth and needle nutrient concentrations indicated that the trees are P limited. EMF biomass was reduced only by N + P additions. Soil EMF communities responded more strongly to P than to N. Addition of apatite to ingrowth meshbags altered EMF community composition and enhanced the abundance of Imleria badia in the control and N plots, but not when P was added. The ecological significance of this species is discussed. Effects on tree growth, needle chemistry, and EMF communities indicate a dynamic interaction between EMF fungi and the nutrient status of trees and soils.

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author
; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Apatite, Ectomycorrhizae, Ergosterol, Nitrogen and phosphorus limitation, Nitrogen deposition, Nitrogen leaching
in
Fungal Ecology
volume
40
pages
12 pages
publisher
Elsevier
external identifiers
  • scopus:85048855556
ISSN
1754-5048
DOI
10.1016/j.funeco.2018.05.008
language
English
LU publication?
yes
id
3713f6e7-1b5e-4600-a6d2-1cd5d8b3762d
date added to LUP
2018-07-04 14:55:27
date last changed
2025-10-14 11:06:23
@article{3713f6e7-1b5e-4600-a6d2-1cd5d8b3762d,
  abstract     = {{<p>Nitrogen is the main limiting nutrient in boreal ecosystems, but studies in southwest Sweden suggest that certain forests approach phosphorus (P) limitation driven by nitrogen (N) deposition. We added N, P or N + P to a Norway spruce forest in this region, to push the system to N or P limitation. Tree growth and needle nutrient concentrations indicated that the trees are P limited. EMF biomass was reduced only by N + P additions. Soil EMF communities responded more strongly to P than to N. Addition of apatite to ingrowth meshbags altered EMF community composition and enhanced the abundance of Imleria badia in the control and N plots, but not when P was added. The ecological significance of this species is discussed. Effects on tree growth, needle chemistry, and EMF communities indicate a dynamic interaction between EMF fungi and the nutrient status of trees and soils.</p>}},
  author       = {{Almeida, Juan Pablo and Rosenstock, Nicholas P. and Forsmark, Benjamin and Bergh, Johan and Wallander, Håkan}},
  issn         = {{1754-5048}},
  keywords     = {{Apatite; Ectomycorrhizae; Ergosterol; Nitrogen and phosphorus limitation; Nitrogen deposition; Nitrogen leaching}},
  language     = {{eng}},
  pages        = {{20--31}},
  publisher    = {{Elsevier}},
  series       = {{Fungal Ecology}},
  title        = {{Ectomycorrhizal community composition and function in a spruce forest transitioning between nitrogen and phosphorus limitation}},
  url          = {{http://dx.doi.org/10.1016/j.funeco.2018.05.008}},
  doi          = {{10.1016/j.funeco.2018.05.008}},
  volume       = {{40}},
  year         = {{2019}},
}