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Title: Dominant mycorrhizal association of trees alters carbon and nutrient cycling by selecting for microbial groups with distinct enzyme function

Journal Article · · New Phytologist
DOI:https://doi.org/10.1111/nph.14343· OSTI ID:1401254
 [1];  [2];  [3];  [4];  [5];  [6]
  1. Department of Forest Mycology and Plant Pathology Uppsala BioCenter Swedish University of Agricultural Sciences Uppsala Sweden, Department of Biology Indiana University 1001 E Third Street Bloomington IN 47405 USA
  2. Department of Biology Indiana University 1001 E Third Street Bloomington IN 47405 USA
  3. Department of Biology West Virginia University 53 Campus Drive Morgantown WV 26506 USA
  4. Department of Evolutionary Biology Uppsala University Uppsala 752 36 Sweden
  5. Department of Biology Indiana University 1001 E Third Street Bloomington IN 47405 USA, Department of Ecology and Evolutionary Biology The University of Kansas 2041 Haworth Hall 1200 Sunnyside Avenue Lawrence KS 66045 USA
  6. Department of Forest Mycology and Plant Pathology Uppsala BioCenter Swedish University of Agricultural Sciences Uppsala Sweden

Summary While it is well established that plants associating with arbuscular mycorrhizal ( AM ) and ectomycorrhizal ( ECM ) fungi cycle carbon (C) and nutrients in distinct ways, we have a limited understanding of whether varying abundance of ECM and AM plants in a stand can provide integrative proxies for key biogeochemical processes. We explored linkages between the relative abundance of AM and ECM trees and microbial functioning in three hardwood forests in southern Indiana, USA . Across each site's ‘mycorrhizal gradient’, we measured fungal biomass, fungal : bacterial (F : B) ratios, extracellular enzyme activities, soil carbon : nitrogen ratio, and soil pH over a growing season. We show that the percentage of AM or ECM trees in a plot promotes microbial communities that both reflect and determine the C to nutrient balance in soil. Soils dominated by ECM trees had higher F : B ratios and more standing fungal biomass than AM stands. Enzyme stoichiometry in ECM soils shifted to higher investment in extracellular enzymes needed for nitrogen and phosphorus acquisition than in C‐acquisition enzymes, relative to AM soils. Our results suggest that knowledge of mycorrhizal dominance at the stand or landscape scale may provide a unifying framework for linking plant and microbial community dynamics, and predicting their effects on ecological function.

Sponsoring Organization:
USDOE
OSTI ID:
1401254
Journal Information:
New Phytologist, Journal Name: New Phytologist Vol. 214 Journal Issue: 1; ISSN 0028-646X
Publisher:
Wiley-BlackwellCopyright Statement
Country of Publication:
United Kingdom
Language:
English
Citation Metrics:
Cited by: 130 works
Citation information provided by
Web of Science

References (63)

Microbial Community Responses to Atmospheric Carbon Dioxide Enrichment in a Warm-Temperate Forest journal March 2006
The effects of long term nitrogen deposition on extracellular enzyme activity in an Acer saccharum forest soil journal September 2002
Rapid incorporation of carbon from ectomycorrhizal mycelial necromass into soil fungal communities journal June 2012
Resource stoichiometry and the biogeochemical consequences of nitrogen deposition in a mixed deciduous forest journal December 2016
Simulated Nitrogen Deposition Causes a Decline of Intra- and Extraradical Abundance of Arbuscular Mycorrhizal Fungi and Changes in Microbial Community Structure in Northern Hardwood Forests journal June 2010
Root-induced changes in nutrient cycling in forests depend on exudation rates journal November 2014
Comparison of soil fungal/bacterial ratios in a pH gradient using physiological and PLFA-based techniques journal July 2003
Similar below-ground carbon cycling dynamics but contrasting modes of nitrogen cycling between arbuscular mycorrhizal and ectomycorrhizal forests journal September 2016
Phosphorus cycling in deciduous forest soil differs between stands dominated by ecto‐ and arbuscular mycorrhizal trees journal October 2015
Mycorrhizal ecology and evolution: the past, the present, and the future journal February 2015
Evaluation of methods to estimate production, biomass and turnover of ectomycorrhizal mycelium in forests soils – A review journal February 2013
Roots and Associated Fungi Drive Long-Term Carbon Sequestration in Boreal Forest journal March 2013
Differences in fungal and bacterial physiology alter soil carbon and nitrogen cycling: insights from meta-analysis and theoretical models journal May 2013
Estimation of net ecosystem carbon exchange for the conterminous United States by combining MODIS and AmeriFlux data journal October 2008
Global patterns of 16S rRNA diversity at a depth of millions of sequences per sample journal June 2010
Phylogenetic distribution and evolution of mycorrhizas in land plants journal May 2006
The Microbial Efficiency-Matrix Stabilization (MEMS) framework integrates plant litter decomposition with soil organic matter stabilization: do labile plant inputs form stable soil organic matter? journal February 2013
Geographic range predicts photosynthetic and growth response to warming in co-occurring tree species journal January 2015
Stoichiometry of soil enzyme activity at global scale: Stoichiometry of soil enzyme activity journal September 2008
Improved PCR primers for the detection and identification of arbuscular mycorrhizal fungi: PCR primers for arbuscular mycorrhizal fungi journal August 2008
A Large and Persistent Carbon Sink in the World's Forests journal July 2011
Organic nutrient uptake by mycorrhizal fungi enhances ecosystem carbon storage: a model-based assessment: Organic nutrient uptake enhances soil C journal March 2011
Shifts in the structure of soil microbial communities in limed forests as revealed by phospholipid fatty acid analysis journal June 1993
New primers to amplify the fungal ITS2 region - evaluation by 454-sequencing of artificial and natural communities journal July 2012
The mycorrhizal-associated nutrient economy: a new framework for predicting carbon-nutrient couplings in temperate forests journal April 2013
Linking fine root traits to maximum potential growth rate among 11 mature temperate tree species journal June 2004
Decomposers in disguise: mycorrhizal fungi as regulators of soil C dynamics in ecosystems under global change journal December 2008
Carbon cycling traits of plant species are linked with mycorrhizal strategy journal December 2001
An ectomycorrhizal nitrogen economy facilitates monodominance in a neotropical forest journal February 2016
Simultaneous determination of free ergosterol and ergosteryl esters in Cordyceps sinensis by HPLC journal January 2007
Tree species influence on microbial communities in litter and soil: Current knowledge and research needs journal December 2013
Estimation of the biomass and seasonal growth of external mycelium of ectomycorrhizal fungi in the field journal September 2001
Physiology of organic nitrogen acquisition by ectomycorrhizal fungi and ectomycorrhizas journal April 1998
Is microbial community composition in boreal forest soils determined by pH, C-to-N ratio, the trees, or all three? journal October 2006
A comparison of arbuscular and ectomycorrhizal Eucalyptus coccifera: growth response, phosphorus uptake efficiency and external hyphal production journal September 1998
Specificity of plant-microbe interactions in the tree mycorrhizosphere biome and consequences for soil C cycling journal June 2014
Soil extracellular enzyme activities, soil carbon and nitrogen storage under nitrogen fertilization: A meta-analysis journal October 2016
Mycorrhizal type determines the magnitude and direction of root-induced changes in decomposition in a temperate forest journal January 2015
The influence of soil properties on the structure of bacterial and fungal communities across land-use types journal September 2008
Determinination of soil fungal biomass from soil ergosterol analyses journal August 2000
Microbial communities and their relevance for ecosystem models: Decomposition as a case study journal April 2010
Exploration types of ectomycorrhizae journal June 2001
Slowed decomposition in ectomycorrhizal ecosystems is independent of plant chemistry journal November 2016
Fatty acid patterns of phospholipids and lipopolysaccharides in the characterisation of microbial communities in soil: a review journal May 1999
Production, standing biomass and natural abundance of 15 N and 13 C in ectomycorrhizal mycelia collected at different soil depths in two forest types journal March 2004
Tree-mycorrhizal associations detected remotely from canopy spectral properties journal April 2016
Considering fungal:bacterial dominance in soils – Methods, controls, and ecosystem implications journal September 2010
Mycorrhizas and nutrient cycling in ecosystems - a journey towards relevance? journal March 2003
Mycorrhiza-mediated competition between plants and decomposers drives soil carbon storage journal January 2014
Chitin and ergosterol combined to measure total and living fungal biomass in ectomycorrhizas journal January 1998
Decay rates of leaf litters from arbuscular mycorrhizal trees are more sensitive to soil effects than litters from ectomycorrhizal trees journal October 2015
Quantitative assessment of the differential impacts of arbuscular and ectomycorrhiza on soil carbon cycling journal May 2015
Scale-dependent variation in nitrogen cycling and soil fungal communities along gradients of forest composition and age in regenerating tropical dry forests journal September 2015
Aggregated and complementary: symmetric proliferation, overyielding, and mass effects explain fine-root biomass in soil patches in a diverse temperate deciduous forest landscape journal November 2014
Ecological Linkages Between Aboveground and Belowground Biota journal June 2004
Anatomical traits associated with absorption and mycorrhizal colonization are linked to root branch order in twenty-three Chinese temperate tree species journal November 2008
Ectomycorrhizal fungi slow soil carbon cycling journal June 2016
Ergosterol and fatty acids for biomass estimation of mycorrhizal fungi journal July 2003
A new hypothesis to explain allocation of dry matter between mycorrhizal fungi and pine seedlings in relation to nutrient supply journal January 1995
Independent roles of ectomycorrhizal and saprotrophic communities in soil organic matter decomposition journal February 2013
Soil microbial responses to elevated phosphorus and pH in acidic temperate deciduous forests journal July 2011
Estimation of the biomass of arbuscular mycorrhizal fungi in a linseed field journal November 1999
Global patterns in belowground communities journal November 2009