Pollinator richness, pollination networks, and diet adjustment along local and landscape gradients of resource diversity

Loss of habitats and native species, introduction of invasive species, and changing climate regimes lead to the homogenization of landscapes and communities, affecting the availability of habitats and resources for economically important guilds, such as pollinators. Understanding how pollinators and...

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Autores: Gómez-Martínez, Carmelo, González-Estévez, Miguel A., Cursach, Joana, Lázaro, Amparo
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2022
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/296035
Acceso en línea:http://hdl.handle.net/10261/296035
Access Level:acceso abierto
Palabra clave:Diet breadth
Flower richness
Functional complementarity
Honey bees
Landscape heterogeneity
Modularity
Neutral processes
Pollinator abundance
Specialization
Wild pollinators
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dc.title.none.fl_str_mv Pollinator richness, pollination networks, and diet adjustment along local and landscape gradients of resource diversity
title Pollinator richness, pollination networks, and diet adjustment along local and landscape gradients of resource diversity
spellingShingle Pollinator richness, pollination networks, and diet adjustment along local and landscape gradients of resource diversity
Gómez-Martínez, Carmelo
Diet breadth
Flower richness
Functional complementarity
Honey bees
Landscape heterogeneity
Modularity
Neutral processes
Pollinator abundance
Specialization
Wild pollinators
title_short Pollinator richness, pollination networks, and diet adjustment along local and landscape gradients of resource diversity
title_full Pollinator richness, pollination networks, and diet adjustment along local and landscape gradients of resource diversity
title_fullStr Pollinator richness, pollination networks, and diet adjustment along local and landscape gradients of resource diversity
title_full_unstemmed Pollinator richness, pollination networks, and diet adjustment along local and landscape gradients of resource diversity
title_sort Pollinator richness, pollination networks, and diet adjustment along local and landscape gradients of resource diversity
dc.creator.none.fl_str_mv Gómez-Martínez, Carmelo
González-Estévez, Miguel A.
Cursach, Joana
Lázaro, Amparo
author Gómez-Martínez, Carmelo
author_facet Gómez-Martínez, Carmelo
González-Estévez, Miguel A.
Cursach, Joana
Lázaro, Amparo
author_role author
author2 González-Estévez, Miguel A.
Cursach, Joana
Lázaro, Amparo
author2_role author
author
author
dc.contributor.none.fl_str_mv Ministerio de Ciencia, Innovación y Universidades (España)
Agencia Estatal de Investigación (España)
European Commission
Ministerio de Economía y Competitividad (España)
Universidad de Las Islas Baleares
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Diet breadth
Flower richness
Functional complementarity
Honey bees
Landscape heterogeneity
Modularity
Neutral processes
Pollinator abundance
Specialization
Wild pollinators
topic Diet breadth
Flower richness
Functional complementarity
Honey bees
Landscape heterogeneity
Modularity
Neutral processes
Pollinator abundance
Specialization
Wild pollinators
description Loss of habitats and native species, introduction of invasive species, and changing climate regimes lead to the homogenization of landscapes and communities, affecting the availability of habitats and resources for economically important guilds, such as pollinators. Understanding how pollinators and their interactions vary along resource diversity gradients at different scales may help to determine their adaptability to the current diversity loss related to global change. We used data on 20 plant–pollinator communities along gradients of flower richness (local diversity) and landscape heterogeneity (landscape diversity) to understand how the diversity of resources at local and landscape scales affected (1) wild pollinator abundance and richness (accounting also for honey bee abundance), (2) the structure of plant–pollinator networks, (3) the proportion of actively selected interactions (those not occurring by neutral processes), and (4) pollinator diet breadth and species' specialization in networks. Wild pollinator abundance was higher overall in flower-rich and heterogeneous habitats, while wild pollinator richness increased with flower richness (more strongly for beetles and wild bees) and decreased with honeybee abundance. Network specialization (H′), modularity, and functional complementarity were all positively related to floral richness and landscape heterogeneity, indicating niche segregation as the diversity of resources increases at both scales. Flower richness also increased the proportion of actively selected interactions (especially for wild bees and flies), whereas landscape heterogeneity had a weak negative effect on this variable. Overall, network-level metrics responded to larger landscape scales than pollinator-level metrics did. Higher floral richness resulted in a wider taxonomic and functional diet for all the study guilds, while functional diet increased mainly for beetles. Despite this, specialization in networks (d′) increased with flower richness for all the study guilds, because pollinator species fed on a narrower subset of plants as communities became richer in species. Our study indicates that pollinators are able to adapt their diet to resource changes at local and landscape scales. However, resource homogenization might lead to poor and generalist pollinator communities, where functionally specialized interactions are lost. This study highlights the importance of including different scales to understand the effects of global change on pollination service through changes in resource diversity.
publishDate 2022
dc.date.none.fl_str_mv 2022
2023
2023
2023
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/296035
url http://hdl.handle.net/10261/296035
dc.language.none.fl_str_mv Inglés
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info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-117863RB-I00
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Gómez-Martínez, Carmelo; González-Estévez, Miguel A.; Cursach, Joana; Lázaro, Amparo; 2022; Pollinator richness, pollination networks and diet adjustment along local and landscape gradients of resource diversity [Dataset]; Dryad; Version 3; https://doi.org/10.5061/dryad.tht76hf1c
Gómez-Martínez, Carmelo; González-Estévez, Miguel A.; Cursach, Joana; Lázaro, Amparo; 2022; Supporting Information of the article Pollinator richness, pollination networks, and diet adjustment along local and landscape gradients of resource diversity [Dataset]; Ecological Society of America; Wiley-VCH; http://dx.doi.org/10.1002/eap.2634
http://dx.doi.org/10.1002/eap.2634
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
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dc.publisher.none.fl_str_mv Ecological Society of America
Wiley-VCH
publisher.none.fl_str_mv Ecological Society of America
Wiley-VCH
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
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spelling Pollinator richness, pollination networks, and diet adjustment along local and landscape gradients of resource diversityGómez-Martínez, CarmeloGonzález-Estévez, Miguel A.Cursach, JoanaLázaro, AmparoDiet breadthFlower richnessFunctional complementarityHoney beesLandscape heterogeneityModularityNeutral processesPollinator abundanceSpecializationWild pollinatorsLoss of habitats and native species, introduction of invasive species, and changing climate regimes lead to the homogenization of landscapes and communities, affecting the availability of habitats and resources for economically important guilds, such as pollinators. Understanding how pollinators and their interactions vary along resource diversity gradients at different scales may help to determine their adaptability to the current diversity loss related to global change. We used data on 20 plant–pollinator communities along gradients of flower richness (local diversity) and landscape heterogeneity (landscape diversity) to understand how the diversity of resources at local and landscape scales affected (1) wild pollinator abundance and richness (accounting also for honey bee abundance), (2) the structure of plant–pollinator networks, (3) the proportion of actively selected interactions (those not occurring by neutral processes), and (4) pollinator diet breadth and species' specialization in networks. Wild pollinator abundance was higher overall in flower-rich and heterogeneous habitats, while wild pollinator richness increased with flower richness (more strongly for beetles and wild bees) and decreased with honeybee abundance. Network specialization (H′), modularity, and functional complementarity were all positively related to floral richness and landscape heterogeneity, indicating niche segregation as the diversity of resources increases at both scales. Flower richness also increased the proportion of actively selected interactions (especially for wild bees and flies), whereas landscape heterogeneity had a weak negative effect on this variable. Overall, network-level metrics responded to larger landscape scales than pollinator-level metrics did. Higher floral richness resulted in a wider taxonomic and functional diet for all the study guilds, while functional diet increased mainly for beetles. Despite this, specialization in networks (d′) increased with flower richness for all the study guilds, because pollinator species fed on a narrower subset of plants as communities became richer in species. Our study indicates that pollinators are able to adapt their diet to resource changes at local and landscape scales. However, resource homogenization might lead to poor and generalist pollinator communities, where functionally specialized interactions are lost. This study highlights the importance of including different scales to understand the effects of global change on pollination service through changes in resource diversity.This study was supported by the project CGL2017-89254-R financed by Feder Funds, the Spanish Ministry of Economy and Competitiveness, and the Spanish Research Agency, and the project PRPPID2020-117863RB-I00 financed by the Spanish Ministry of Science and Innovation and the Spanish Research Agency (MCIN/AEI/10.13039/501100011033). A. Lázaro was supported by a Ramón y Cajal (RYC-2015-19034) contract from the Spanish Ministry of Science, Innovation, and Universities, the Spanish State Research Agency, European Social Funds (ESF invests in your future) and the University of the Balearic Islands. C. Gómez-Martínez was supported by a FPI predoctoral contract financed by the Spanish Ministry of Economy and Competitiveness, the Spanish Research Agency, and European Social Funds (FPI PRE2018-083185, Call 2018).Ecological Society of AmericaWiley-VCHMinisterio de Ciencia, Innovación y Universidades (España)Agencia Estatal de Investigación (España)European CommissionMinisterio de Economía y Competitividad (España)Universidad de Las Islas BalearesConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]2023202320222023info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://hdl.handle.net/10261/296035reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CGL2017-89254-Rinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-117863RB-I00info:eu-repo/grantAgreement/MINECO//RYC-2015-19034info:eu-repo/grantAgreement/AEI//PRE2018-083185Gómez-Martínez, Carmelo; González-Estévez, Miguel A.; Cursach, Joana; Lázaro, Amparo; 2022; Pollinator richness, pollination networks and diet adjustment along local and landscape gradients of resource diversity [Dataset]; Dryad; Version 3; https://doi.org/10.5061/dryad.tht76hf1cGómez-Martínez, Carmelo; González-Estévez, Miguel A.; Cursach, Joana; Lázaro, Amparo; 2022; Supporting Information of the article Pollinator richness, pollination networks, and diet adjustment along local and landscape gradients of resource diversity [Dataset]; Ecological Society of America; Wiley-VCH; http://dx.doi.org/10.1002/eap.2634http://dx.doi.org/10.1002/eap.2634Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/2960352026-05-22T06:33:51Z
score 15,811543

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