Pollinator importance networks illustrate the crucial value of bees in a highly speciose plant community

Abstract Accurate predictions of pollination service delivery require a comprehensive understanding of the interactions between plants and flower visitors. To improve measurements of pollinator performance underlying such predictions, we surveyed visitation frequency, pollinator effectiveness (polle...

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Autores principales:	Gavin Ballantyne, Katherine C. R. Baldock, Luke Rendell, P. G. Willmer
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/4150af3c493e44c3bdcd5cdfb49f3006
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spelling	oai:doaj.org-article:4150af3c493e44c3bdcd5cdfb49f30062021-12-02T15:05:27ZPollinator importance networks illustrate the crucial value of bees in a highly speciose plant community10.1038/s41598-017-08798-x2045-2322https://doaj.org/article/4150af3c493e44c3bdcd5cdfb49f30062017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-08798-xhttps://doaj.org/toc/2045-2322Abstract Accurate predictions of pollination service delivery require a comprehensive understanding of the interactions between plants and flower visitors. To improve measurements of pollinator performance underlying such predictions, we surveyed visitation frequency, pollinator effectiveness (pollen deposition ability) and pollinator importance (the product of visitation frequency and effectiveness) of flower visitors in a diverse Mediterranean flower meadow. With these data we constructed the largest pollinator importance network to date and compared it with the corresponding visitation network to estimate the specialisation of the community with greater precision. Visitation frequencies at the community level were positively correlated with the amount of pollen deposited during individual visits, though rarely correlated at lower taxonomic resolution. Bees had the highest levels of pollinator effectiveness, with Apis, Andrena, Lasioglossum and Osmiini bees being the most effective visitors to a number of plant species. Bomblyiid flies were the most effective non-bee flower visitors. Predictions of community specialisation (H2′) were higher in the pollinator importance network than the visitation network, mirroring previous studies. Our results increase confidence in existing measures of pollinator redundancy at the community level using visitation data, while also providing detailed information on interaction quality at the plant species level.Gavin BallantyneKatherine C. R. BaldockLuke RendellP. G. WillmerNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-13 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Gavin Ballantyne Katherine C. R. Baldock Luke Rendell P. G. Willmer Pollinator importance networks illustrate the crucial value of bees in a highly speciose plant community
description	Abstract Accurate predictions of pollination service delivery require a comprehensive understanding of the interactions between plants and flower visitors. To improve measurements of pollinator performance underlying such predictions, we surveyed visitation frequency, pollinator effectiveness (pollen deposition ability) and pollinator importance (the product of visitation frequency and effectiveness) of flower visitors in a diverse Mediterranean flower meadow. With these data we constructed the largest pollinator importance network to date and compared it with the corresponding visitation network to estimate the specialisation of the community with greater precision. Visitation frequencies at the community level were positively correlated with the amount of pollen deposited during individual visits, though rarely correlated at lower taxonomic resolution. Bees had the highest levels of pollinator effectiveness, with Apis, Andrena, Lasioglossum and Osmiini bees being the most effective visitors to a number of plant species. Bomblyiid flies were the most effective non-bee flower visitors. Predictions of community specialisation (H2′) were higher in the pollinator importance network than the visitation network, mirroring previous studies. Our results increase confidence in existing measures of pollinator redundancy at the community level using visitation data, while also providing detailed information on interaction quality at the plant species level.
format	article
author	Gavin Ballantyne Katherine C. R. Baldock Luke Rendell P. G. Willmer
author_facet	Gavin Ballantyne Katherine C. R. Baldock Luke Rendell P. G. Willmer
author_sort	Gavin Ballantyne
title	Pollinator importance networks illustrate the crucial value of bees in a highly speciose plant community
title_short	Pollinator importance networks illustrate the crucial value of bees in a highly speciose plant community
title_full	Pollinator importance networks illustrate the crucial value of bees in a highly speciose plant community
title_fullStr	Pollinator importance networks illustrate the crucial value of bees in a highly speciose plant community
title_full_unstemmed	Pollinator importance networks illustrate the crucial value of bees in a highly speciose plant community
title_sort	pollinator importance networks illustrate the crucial value of bees in a highly speciose plant community
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/4150af3c493e44c3bdcd5cdfb49f3006
work_keys_str_mv	AT gavinballantyne pollinatorimportancenetworksillustratethecrucialvalueofbeesinahighlyspecioseplantcommunity AT katherinecrbaldock pollinatorimportancenetworksillustratethecrucialvalueofbeesinahighlyspecioseplantcommunity AT lukerendell pollinatorimportancenetworksillustratethecrucialvalueofbeesinahighlyspecioseplantcommunity AT pgwillmer pollinatorimportancenetworksillustratethecrucialvalueofbeesinahighlyspecioseplantcommunity
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Pollinator importance networks illustrate the crucial value of bees in a highly speciose plant community

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