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Resource availability differentially drives community assemblages of plants and their root-associated arbuscular mycorrhizal fungi

Background and aims Understanding the role of resource availability in structuring biotic communities is of importance in community ecology. This study investigates how light and soil nutrient availability drive assemblages of both plants and their root-associated arbuscular mycorrhizal fungi (AMF).... Full description

Journal Title: Plant and soil 2015, Vol.386 (1/2), p.341-355
Main Author: Liu, Yongjun
Other Authors: Mao, Lin , Li, Junyong , Shi, Guoxi , Jiang, Shengjing , Ma, Xiaojun , An, Lizhe , Du, Guozhen , Feng, Huyuan
Format: Electronic Article Electronic Article
Language: English
Subjects:
Publisher: Cham: Springer
ID: ISSN: 0032-079X
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title: Resource availability differentially drives community assemblages of plants and their root-associated arbuscular mycorrhizal fungi
format: Article
creator:
  • Liu, Yongjun
  • Mao, Lin
  • Li, Junyong
  • Shi, Guoxi
  • Jiang, Shengjing
  • Ma, Xiaojun
  • An, Lizhe
  • Du, Guozhen
  • Feng, Huyuan
subjects:
  • Biomedical and Life Sciences
  • Community ecology
  • Ecology
  • Fungi
  • Genetic aspects
  • Genetic research
  • Genotype
  • Grasslands
  • Life Sciences
  • Measurement
  • Microbiological research
  • Mycorrhizas
  • Phylogenetics
  • Plant Physiology
  • Plant Sciences
  • Regular Article
  • Soil fertility
  • Soil microorganisms
  • Soil Science & Conservation
ispartof: Plant and soil, 2015, Vol.386 (1/2), p.341-355
description: Background and aims Understanding the role of resource availability in structuring biotic communities is of importance in community ecology. This study investigates how light and soil nutrient availability drive assemblages of both plants and their root-associated arbuscular mycorrhizal fungi (AMF). Methods We conducted a 4-year light [full light or shade] and soil fertility [unfertilized or fertilized with (NH4)2HPO4] interactive manipulations in an alpine meadow ecosystem. Species and phylogenetic compositions of plant and AMF communities were simultaneously measured, and the primary ecological processes structuring both communities were inferred from the community phylogenetic analysis. Results Reducing light and/or increasing soil fertility significantly reduced species richness and changed community compositions of both plant and AMF. Plant community phylogenetic structure shifted from random in untreated control to overdispersion in other treatments, whereas AMF communities were phylogenetically clustered and random in unfertilized and fertilized plots, respectively. These results suggest that plant communities in treated plots were mainly determined by competitive exclusion, and that AMF communities in unfertilized and fertilized plots were determined by environmental filtering and random process, respectively. Conclusions We observed strong effects of light and soil nutrient availability on both plant and AMF communities, and our findings highlight that the primary ecological processes that drive plant and AMF assemblages should be highly dependent on the level of resource availability.
language: eng
source:
identifier: ISSN: 0032-079X
fulltext: no_fulltext
issn:
  • 0032-079X
  • 1573-5036
url: Link


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titleResource availability differentially drives community assemblages of plants and their root-associated arbuscular mycorrhizal fungi
creatorLiu, Yongjun ; Mao, Lin ; Li, Junyong ; Shi, Guoxi ; Jiang, Shengjing ; Ma, Xiaojun ; An, Lizhe ; Du, Guozhen ; Feng, Huyuan
creatorcontribLiu, Yongjun ; Mao, Lin ; Li, Junyong ; Shi, Guoxi ; Jiang, Shengjing ; Ma, Xiaojun ; An, Lizhe ; Du, Guozhen ; Feng, Huyuan
descriptionBackground and aims Understanding the role of resource availability in structuring biotic communities is of importance in community ecology. This study investigates how light and soil nutrient availability drive assemblages of both plants and their root-associated arbuscular mycorrhizal fungi (AMF). Methods We conducted a 4-year light [full light or shade] and soil fertility [unfertilized or fertilized with (NH4)2HPO4] interactive manipulations in an alpine meadow ecosystem. Species and phylogenetic compositions of plant and AMF communities were simultaneously measured, and the primary ecological processes structuring both communities were inferred from the community phylogenetic analysis. Results Reducing light and/or increasing soil fertility significantly reduced species richness and changed community compositions of both plant and AMF. Plant community phylogenetic structure shifted from random in untreated control to overdispersion in other treatments, whereas AMF communities were phylogenetically clustered and random in unfertilized and fertilized plots, respectively. These results suggest that plant communities in treated plots were mainly determined by competitive exclusion, and that AMF communities in unfertilized and fertilized plots were determined by environmental filtering and random process, respectively. Conclusions We observed strong effects of light and soil nutrient availability on both plant and AMF communities, and our findings highlight that the primary ecological processes that drive plant and AMF assemblages should be highly dependent on the level of resource availability.
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subjectBiomedical and Life Sciences ; Community ecology ; Ecology ; Fungi ; Genetic aspects ; Genetic research ; Genotype ; Grasslands ; Life Sciences ; Measurement ; Microbiological research ; Mycorrhizas ; Phylogenetics ; Plant Physiology ; Plant Sciences ; Regular Article ; Soil fertility ; Soil microorganisms ; Soil Science & Conservation
ispartofPlant and soil, 2015, Vol.386 (1/2), p.341-355
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descriptionBackground and aims Understanding the role of resource availability in structuring biotic communities is of importance in community ecology. This study investigates how light and soil nutrient availability drive assemblages of both plants and their root-associated arbuscular mycorrhizal fungi (AMF). Methods We conducted a 4-year light [full light or shade] and soil fertility [unfertilized or fertilized with (NH4)2HPO4] interactive manipulations in an alpine meadow ecosystem. Species and phylogenetic compositions of plant and AMF communities were simultaneously measured, and the primary ecological processes structuring both communities were inferred from the community phylogenetic analysis. Results Reducing light and/or increasing soil fertility significantly reduced species richness and changed community compositions of both plant and AMF. Plant community phylogenetic structure shifted from random in untreated control to overdispersion in other treatments, whereas AMF communities were phylogenetically clustered and random in unfertilized and fertilized plots, respectively. These results suggest that plant communities in treated plots were mainly determined by competitive exclusion, and that AMF communities in unfertilized and fertilized plots were determined by environmental filtering and random process, respectively. Conclusions We observed strong effects of light and soil nutrient availability on both plant and AMF communities, and our findings highlight that the primary ecological processes that drive plant and AMF assemblages should be highly dependent on the level of resource availability.
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abstractBackground and aims Understanding the role of resource availability in structuring biotic communities is of importance in community ecology. This study investigates how light and soil nutrient availability drive assemblages of both plants and their root-associated arbuscular mycorrhizal fungi (AMF). Methods We conducted a 4-year light [full light or shade] and soil fertility [unfertilized or fertilized with (NH4)2HPO4] interactive manipulations in an alpine meadow ecosystem. Species and phylogenetic compositions of plant and AMF communities were simultaneously measured, and the primary ecological processes structuring both communities were inferred from the community phylogenetic analysis. Results Reducing light and/or increasing soil fertility significantly reduced species richness and changed community compositions of both plant and AMF. Plant community phylogenetic structure shifted from random in untreated control to overdispersion in other treatments, whereas AMF communities were phylogenetically clustered and random in unfertilized and fertilized plots, respectively. These results suggest that plant communities in treated plots were mainly determined by competitive exclusion, and that AMF communities in unfertilized and fertilized plots were determined by environmental filtering and random process, respectively. Conclusions We observed strong effects of light and soil nutrient availability on both plant and AMF communities, and our findings highlight that the primary ecological processes that drive plant and AMF assemblages should be highly dependent on the level of resource availability.
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