Competition model explains trends of long‐term fertilization in plant communities

Abstract Over 40 years ago, Kempton (Biometrics, 35, 1979, 307) reported significant modification to plant community structure following a long‐term fertilization experiment. Many researchers have investigated this phenomenon in the years since. Collectively, these studies have shown consistent shif...

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Main Authors: Atsushi Yamauchi, Koichi Ito, Shota Shibasaki
Format: Article
Language:English
Published: Wiley 2023-02-01
Series:Ecology and Evolution
Subjects:
Online Access:https://doi.org/10.1002/ece3.9832
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author Atsushi Yamauchi
Koichi Ito
Shota Shibasaki
author_facet Atsushi Yamauchi
Koichi Ito
Shota Shibasaki
author_sort Atsushi Yamauchi
collection DOAJ
description Abstract Over 40 years ago, Kempton (Biometrics, 35, 1979, 307) reported significant modification to plant community structure following a long‐term fertilization experiment. Many researchers have investigated this phenomenon in the years since. Collectively, these studies have shown consistent shifts in rank abundance relationships among species in communities following fertilization. The previous studies indicated that fertilization affects community structure through several critical processes, including trait‐based functional response, reordering of species in rank abundance diagram (RAD), and niche dimensionality, although some questions have remained. How does the species reordering driven by the plant responses cause characteristic trends in temporal changes of RAD? Why are those trends ubiquitous in various systems? To answer those questions, we theoretically investigated the effects of fertilization on community structure based on a colonization model (or Levins model) with competition–fecundity trade‐offs, which can result in the coexistence of multiple species under competition. The model represents characteristic RAD, which can be an adequate tool to study community composition. Our theoretical model comprehensively represents observed trends in rank abundance relationships following long‐term fertilization and suggests that competitive interactions among species are a critical factor in structuring species diversity in plant communities.
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spelling doaj.art-37dc5e48270c4871a2bdd8de7eba40112023-02-27T08:56:39ZengWileyEcology and Evolution2045-77582023-02-01132n/an/a10.1002/ece3.9832Competition model explains trends of long‐term fertilization in plant communitiesAtsushi Yamauchi0Koichi Ito1Shota Shibasaki2Center for Ecological Research Kyoto University Otsu JapanCenter for Ecological Research Kyoto University Otsu JapanDepartment of Fundamental Microbiology University of Lausanne Lausanne SwitzerlandAbstract Over 40 years ago, Kempton (Biometrics, 35, 1979, 307) reported significant modification to plant community structure following a long‐term fertilization experiment. Many researchers have investigated this phenomenon in the years since. Collectively, these studies have shown consistent shifts in rank abundance relationships among species in communities following fertilization. The previous studies indicated that fertilization affects community structure through several critical processes, including trait‐based functional response, reordering of species in rank abundance diagram (RAD), and niche dimensionality, although some questions have remained. How does the species reordering driven by the plant responses cause characteristic trends in temporal changes of RAD? Why are those trends ubiquitous in various systems? To answer those questions, we theoretically investigated the effects of fertilization on community structure based on a colonization model (or Levins model) with competition–fecundity trade‐offs, which can result in the coexistence of multiple species under competition. The model represents characteristic RAD, which can be an adequate tool to study community composition. Our theoretical model comprehensively represents observed trends in rank abundance relationships following long‐term fertilization and suggests that competitive interactions among species are a critical factor in structuring species diversity in plant communities.https://doi.org/10.1002/ece3.9832community structurecompetition–fecundity trade‐offnutrientrank abundance diagram
spellingShingle Atsushi Yamauchi
Koichi Ito
Shota Shibasaki
Competition model explains trends of long‐term fertilization in plant communities
Ecology and Evolution
community structure
competition–fecundity trade‐off
nutrient
rank abundance diagram
title Competition model explains trends of long‐term fertilization in plant communities
title_full Competition model explains trends of long‐term fertilization in plant communities
title_fullStr Competition model explains trends of long‐term fertilization in plant communities
title_full_unstemmed Competition model explains trends of long‐term fertilization in plant communities
title_short Competition model explains trends of long‐term fertilization in plant communities
title_sort competition model explains trends of long term fertilization in plant communities
topic community structure
competition–fecundity trade‐off
nutrient
rank abundance diagram
url https://doi.org/10.1002/ece3.9832
work_keys_str_mv AT atsushiyamauchi competitionmodelexplainstrendsoflongtermfertilizationinplantcommunities
AT koichiito competitionmodelexplainstrendsoflongtermfertilizationinplantcommunities
AT shotashibasaki competitionmodelexplainstrendsoflongtermfertilizationinplantcommunities