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Considering fungal:bacterial dominance in soils - Methods, controls, and ecosystem implications

Strickland, Michael S. and Rousk, Johannes LU (2010) In Soil Biology & Biochemistry 42(9). p.1385-1395
Abstract
An expectation in soil ecology is that a microbial communities' fungal:bacterial dominance indicates both its response to environmental change and its impact on ecosystem function. We review a selection of the increasing body of literature on this subject and assess the relevance of its expectations by examining the methods used to determine, the impact of environmental factors on, and the expected ecosystem consequences of fungal:bacterial dominance. Considering methods, we observe that fungal:bacterial dominance is contingent on the actual measure used to estimate it. This has not been carefully considered; fungal:bacterial dominance of growth, biomass, and residue indicate different, and not directly relatable aspects, of the microbial... (More)
An expectation in soil ecology is that a microbial communities' fungal:bacterial dominance indicates both its response to environmental change and its impact on ecosystem function. We review a selection of the increasing body of literature on this subject and assess the relevance of its expectations by examining the methods used to determine, the impact of environmental factors on, and the expected ecosystem consequences of fungal:bacterial dominance. Considering methods, we observe that fungal:bacterial dominance is contingent on the actual measure used to estimate it. This has not been carefully considered; fungal:bacterial dominance of growth, biomass, and residue indicate different, and not directly relatable aspects, of the microbial community's influence on soil functioning. Considering relationships to environmental factors, we found that shifts in fungal:bacterial dominance were not always in line with the general expectation, in many instances even being opposite to them. This is likely because the traits expected to differentiate bacteria from fungi are often not distinct. Considering the impact of fungal:bacterial dominance on ecosystem function, we similarly found that expectations were not always upheld and this too could be due to trait overlap between these two groups. We explore many of the potential reasons why expectations related to fungal:bacterial dominance were not met, highlighting areas where future research, especially furthering a basic understanding of the ecology of bacteria and fungi, is needed. (C) 2010 Elsevier Ltd. All rights reserved. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
nitrogen, Carbon:, Decomposition, Fungal: bacterial, Carbon sequestration, Fungi, Bacteria
in
Soil Biology & Biochemistry
volume
42
issue
9
pages
1385 - 1395
publisher
Elsevier
external identifiers
  • wos:000280986600004
  • scopus:77955173814
ISSN
0038-0717
DOI
10.1016/j.soilbio.2010.05.007
project
Microbial carbon-use efficiency
Carbon drivers and microbial agents of soil respiration
Interaction between fungi and bacteria in soil
BECC
language
English
LU publication?
yes
id
66e58204-a198-4970-a6c5-ba279781ff05 (old id 1673561)
date added to LUP
2010-09-23 09:42:03
date last changed
2018-07-15 03:42:17
@article{66e58204-a198-4970-a6c5-ba279781ff05,
  abstract     = {An expectation in soil ecology is that a microbial communities' fungal:bacterial dominance indicates both its response to environmental change and its impact on ecosystem function. We review a selection of the increasing body of literature on this subject and assess the relevance of its expectations by examining the methods used to determine, the impact of environmental factors on, and the expected ecosystem consequences of fungal:bacterial dominance. Considering methods, we observe that fungal:bacterial dominance is contingent on the actual measure used to estimate it. This has not been carefully considered; fungal:bacterial dominance of growth, biomass, and residue indicate different, and not directly relatable aspects, of the microbial community's influence on soil functioning. Considering relationships to environmental factors, we found that shifts in fungal:bacterial dominance were not always in line with the general expectation, in many instances even being opposite to them. This is likely because the traits expected to differentiate bacteria from fungi are often not distinct. Considering the impact of fungal:bacterial dominance on ecosystem function, we similarly found that expectations were not always upheld and this too could be due to trait overlap between these two groups. We explore many of the potential reasons why expectations related to fungal:bacterial dominance were not met, highlighting areas where future research, especially furthering a basic understanding of the ecology of bacteria and fungi, is needed. (C) 2010 Elsevier Ltd. All rights reserved.},
  author       = {Strickland, Michael S. and Rousk, Johannes},
  issn         = {0038-0717},
  keyword      = {nitrogen,Carbon:,Decomposition,Fungal: bacterial,Carbon sequestration,Fungi,Bacteria},
  language     = {eng},
  number       = {9},
  pages        = {1385--1395},
  publisher    = {Elsevier},
  series       = {Soil Biology & Biochemistry},
  title        = {Considering fungal:bacterial dominance in soils - Methods, controls, and ecosystem implications},
  url          = {http://dx.doi.org/10.1016/j.soilbio.2010.05.007},
  volume       = {42},
  year         = {2010},
}