Relating the spatial distribution of a tall-grass to fertility islands in a temperate mountain grassland

Plant-soil feedback mechanisms influence the abundance and rarity of plant species and can favour invasive processes, including those of native species. To explore these mechanisms, we analysed correlations between spatial distributions of plant biomass and soil properties in two neighbouring grassl...

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Autores: San Emeterio Garciandía, Leticia, Durán Lázaro, María, Múgica Azpilicueta, Leire, Jiménez, Juan José, Canals Tresserras, Rosa María
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2021
País:España
Institución:Universidad Pública de Navarra
Repositorio:Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
OAI Identifier:oai:academica-e.unavarra.es:2454/42687
Acceso en línea:https://hdl.handle.net/2454/42687
Access Level:acceso abierto
Palabra clave:Brachypodium rupestre
Fertility island
Geostatistics
Native invader
Soil function
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spelling Relating the spatial distribution of a tall-grass to fertility islands in a temperate mountain grasslandSan Emeterio Garciandía, LeticiaDurán Lázaro, MaríaMúgica Azpilicueta, LeireJiménez, Juan JoséCanals Tresserras, Rosa MaríaBrachypodium rupestreFertility islandGeostatisticsNative invaderSoil functionPlant-soil feedback mechanisms influence the abundance and rarity of plant species and can favour invasive processes, including those of native species. To explore these mechanisms, we analysed correlations between spatial distributions of plant biomass and soil properties in two neighbouring grasslands at different phases of expansion of the native Eurasian tall-grass Brachypodium rupestre (Host) Roem & Schult (B. rupestre cover: >75 and 25–50%). For this, we applied spatially explicit sampling, geostatistical analysis and structural equation models (SEM) to probe causal relationships among measured variables involved in nutrient accumulation. We hypothesized that if litter accumulates as a result of reduced grazing, ‘fertility islands’ (spots of high SOM and nutrient contents) will form under B. rupestre clumps because the increase in resource inputs from litter will trigger SOM build-up and promote microbial growth. Our results show that ‘fertility islands’ of P and amino acids occurred under the patchy clumps of B. rupestre in the less invaded grassland. In addition, the SEMs indicated that nutrient accumulation was partially due to mineralization of the SOM and modulated by the soil microbial biomass. However, there was no correlation between spatial patterns of B. rupestre biomass, SOM and microbial biomass. Moreover, the SEMs explained small amounts of variance in them (SOM r2 = 0.22 and microbial biomass r2 = 0.08), suggesting that factors other than B. rupestre biomass were responsible for the high fertility below the patches. Our spatially explicit approach demonstrated that litter inputs in dense temperate grassland communities can generate ‘fertility islands’ that may favour the stability and expansion of a tall-grass invader and suggest that herbivory may enhance or inhibit this phenomenon.The study was funded by ‘la Caixa’ Foundation, Spain and CAN foundation, Spain (LCF/PR/PR13/51080004), the Ministry of Science and Innovation of the Spanish Government (project refs. CGL2010-21963, CGL2011-29746 and CGL2017-85490-R), and Interreg Sudoe Programme, European Regional Development Fund, European-Union, Open2preserve Project (SOE2/P5/E0804). L. Múgica and M. Durán were funded through a UPNA Research Staff Training Grant.ElsevierAgronomia, Bioteknologia eta ElikaduraInstitute on Innovation and Sustainable Development in Food Chain - ISFOODAgronomía, Biotecnología y AlimentaciónUniversidad Pública de Navarra / Nafarroako Unibertsitate Publikoa2021info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfapplication/ziphttps://hdl.handle.net/2454/42687reponame:Academica-e. Repositorio Institucional de la Universidad Pública de Navarrainstname:Universidad Pública de NavarraInglésinfo:eu-repo/grantAgreement/MICINN//CGL2011-29746info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CGL2017-85490-R© 2021 The Authors. Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 Internationalhttps://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessoai:academica-e.unavarra.es:2454/426872026-06-17T12:41:47Z
dc.title.none.fl_str_mv Relating the spatial distribution of a tall-grass to fertility islands in a temperate mountain grassland
title Relating the spatial distribution of a tall-grass to fertility islands in a temperate mountain grassland
spellingShingle Relating the spatial distribution of a tall-grass to fertility islands in a temperate mountain grassland
San Emeterio Garciandía, Leticia
Brachypodium rupestre
Fertility island
Geostatistics
Native invader
Soil function
title_short Relating the spatial distribution of a tall-grass to fertility islands in a temperate mountain grassland
title_full Relating the spatial distribution of a tall-grass to fertility islands in a temperate mountain grassland
title_fullStr Relating the spatial distribution of a tall-grass to fertility islands in a temperate mountain grassland
title_full_unstemmed Relating the spatial distribution of a tall-grass to fertility islands in a temperate mountain grassland
title_sort Relating the spatial distribution of a tall-grass to fertility islands in a temperate mountain grassland
dc.creator.none.fl_str_mv San Emeterio Garciandía, Leticia
Durán Lázaro, María
Múgica Azpilicueta, Leire
Jiménez, Juan José
Canals Tresserras, Rosa María
author San Emeterio Garciandía, Leticia
author_facet San Emeterio Garciandía, Leticia
Durán Lázaro, María
Múgica Azpilicueta, Leire
Jiménez, Juan José
Canals Tresserras, Rosa María
author_role author
author2 Durán Lázaro, María
Múgica Azpilicueta, Leire
Jiménez, Juan José
Canals Tresserras, Rosa María
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Agronomia, Bioteknologia eta Elikadura
Institute on Innovation and Sustainable Development in Food Chain - ISFOOD
Agronomía, Biotecnología y Alimentación
Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa
dc.subject.none.fl_str_mv Brachypodium rupestre
Fertility island
Geostatistics
Native invader
Soil function
topic Brachypodium rupestre
Fertility island
Geostatistics
Native invader
Soil function
description Plant-soil feedback mechanisms influence the abundance and rarity of plant species and can favour invasive processes, including those of native species. To explore these mechanisms, we analysed correlations between spatial distributions of plant biomass and soil properties in two neighbouring grasslands at different phases of expansion of the native Eurasian tall-grass Brachypodium rupestre (Host) Roem & Schult (B. rupestre cover: >75 and 25–50%). For this, we applied spatially explicit sampling, geostatistical analysis and structural equation models (SEM) to probe causal relationships among measured variables involved in nutrient accumulation. We hypothesized that if litter accumulates as a result of reduced grazing, ‘fertility islands’ (spots of high SOM and nutrient contents) will form under B. rupestre clumps because the increase in resource inputs from litter will trigger SOM build-up and promote microbial growth. Our results show that ‘fertility islands’ of P and amino acids occurred under the patchy clumps of B. rupestre in the less invaded grassland. In addition, the SEMs indicated that nutrient accumulation was partially due to mineralization of the SOM and modulated by the soil microbial biomass. However, there was no correlation between spatial patterns of B. rupestre biomass, SOM and microbial biomass. Moreover, the SEMs explained small amounts of variance in them (SOM r2 = 0.22 and microbial biomass r2 = 0.08), suggesting that factors other than B. rupestre biomass were responsible for the high fertility below the patches. Our spatially explicit approach demonstrated that litter inputs in dense temperate grassland communities can generate ‘fertility islands’ that may favour the stability and expansion of a tall-grass invader and suggest that herbivory may enhance or inhibit this phenomenon.
publishDate 2021
dc.date.none.fl_str_mv 2021
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2454/42687
url https://hdl.handle.net/2454/42687
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv info:eu-repo/grantAgreement/MICINN//CGL2011-29746
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CGL2017-85490-R
dc.rights.none.fl_str_mv © 2021 The Authors. Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
https://creativecommons.org/licenses/by-nc-nd/4.0/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv © 2021 The Authors. Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
https://creativecommons.org/licenses/by-nc-nd/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
application/zip
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
instname:Universidad Pública de Navarra
instname_str Universidad Pública de Navarra
reponame_str Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
collection Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
repository.name.fl_str_mv
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