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The Mutualistic Niche: Mycorrhizal Symbiosis and Community Dynamics

Journal Article · · Annual Review of Ecology, Evolution, and Systematics
 [1]
  1. Stanford Univ., CA (United States); Stanford University
The niche is generally viewed in terms of species' intrinsic physiological potential and limitations due to competition. Although DNA sequencing has revealed the ubiquity of beneficial microbial symbioses, the role of mutualisms in shaping species niches is not broadly recognized. In this review, I use a widespread terrestrial mutualism, the ectomycorrhizal symbiosis, to help develop the mutualistic niche concept. Using contemporary niche theory, I show how mycorrhizal symbioses expand environmental ranges (requirement niche) and influence resource use (impact niche) for both plants and fungi. Simple niche models for competition between resource specialists and generalists also predict a range of ecological phenomena, from unexpected monodominance by some tropical trees to the functional biogeography of mycorrhizal symbiosis. A niche-based view of mutualism may also help explain stability of mutualisms even in the absence of clear benefits. Furthermore, the niche is a central concept in ecology, and better integration of mutualism will more accurately reflect the positive interactions experienced by nearly all species.
Research Organization:
Stanford Univ., CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER)
Grant/Contract Number:
SC0016097
OSTI ID:
1844245
Journal Information:
Annual Review of Ecology, Evolution, and Systematics, Journal Name: Annual Review of Ecology, Evolution, and Systematics Journal Issue: 1 Vol. 47; ISSN 1543-592X
Publisher:
Annual ReviewsCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (28)

Variations in Soil Functional Fungal Community Structure Associated With Pure and Mixed Plantations in Typical Temperate Forests of China journal July 2019
Facilitation of Balsam Fir by Trembling Aspen in the Boreal Forest: Do Ectomycorrhizal Communities Matter? journal July 2019
Plant selection initiates alternative successional trajectories in the soil microbial community after disturbance journal March 2019
Effects of soil microbes on plant competition: a perspective from modern coexistence theory journal October 2019
Microbial mitigation-exacerbation continuum: a novel framework for microbiome effects on hosts in the face of stress journal February 2018
Using niche breadth theory to explain generalization in mutualisms journal March 2018
When rarity has costs: coexistence under positive frequency‐dependence and environmental stochasticity journal June 2019
Plant-mediated partner discrimination in ectomycorrhizal mutualisms journal January 2019
Conceptual differences lead to divergent trait estimates in empirical and taxonomic approaches to plant mycorrhizal trait assignment journal October 2018
How belowground interactions contribute to the coexistence of mycorrhizal and non-mycorrhizal species in severely phosphorus-impoverished hyperdiverse ecosystems journal September 2017
Differences in ectomycorrhizal community assembly between native and exotic pines are reflected in their enzymatic functional capacities journal November 2019
Environment and host as large-scale controls of ectomycorrhizal fungi journal June 2018
Climatic controls of decomposition drive the global biogeography of forest-tree symbioses journal May 2019
When rarity has costs: coexistence under positive frequency-dependence and environmental stochasticity posted_content December 2018
Timing of mutualist arrival has a greater effect on Pinus muricata seedling growth than interspecific competition journal February 2018
From mycorrhizal fungal traits to ecosystem properties – and back again journal February 2018
A niche perspective on the range expansion of symbionts journal December 2019
Partitioning of soil phosphorus among arbuscular and ectomycorrhizal trees in tropical and subtropical forests journal March 2018
Winning and losing with microbes: how microbially mediated fitness differences influence plant diversity journal May 2019
Tree mycorrhizal type predicts within-site variability in the storage and distribution of soil organic matter journal April 2018
Tree species with limited geographical ranges show extreme responses to ectomycorrhizas journal April 2018
Mycorrhizal specificity does not limit the distribution of an endangered orchid species journal February 2017
Soil abiotic variables are more important than Salicaceae phylogeny or habitat specialization in determining soil microbial community structure journal April 2018
Environment and host identity structure communities of green algal symbionts in lichens journal September 2017
Tree mycorrhizal associations mediate soil fertility effects on forest community structure in a temperate forest journal March 2019
Legacy effects of tree mortality mediated by ectomycorrhizal fungal communities journal June 2019
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Climatic controls of decomposition drive the global biogeography of forest-tree symbioses text January 2019

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