Pollination success increases with plant diversity in high-Andean communities

Abstract Pollinator-mediated plant–plant interactions have traditionally been viewed within the competition paradigm. However, facilitation via pollinator sharing might be the rule rather than the exception in harsh environments. Moreover, plant diversity could be playing a key role in fostering pol...

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Autores principales:	Sabrina S. Gavini, Agustín Sáez, Cristina Tur, Marcelo A. Aizen
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/a02b858f06bc458487f83e964d054c4d
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spelling	oai:doaj.org-article:a02b858f06bc458487f83e964d054c4d2021-11-14T12:20:35ZPollination success increases with plant diversity in high-Andean communities10.1038/s41598-021-01611-w2045-2322https://doaj.org/article/a02b858f06bc458487f83e964d054c4d2021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-01611-whttps://doaj.org/toc/2045-2322Abstract Pollinator-mediated plant–plant interactions have traditionally been viewed within the competition paradigm. However, facilitation via pollinator sharing might be the rule rather than the exception in harsh environments. Moreover, plant diversity could be playing a key role in fostering pollinator-mediated facilitation. Yet, the facilitative effect of plant diversity on pollination remains poorly understood, especially under natural conditions. By examining a total of 9371 stigmas of 88 species from nine high-Andean communities in NW Patagonia, we explored the prevalent sign of the relation between conspecific pollen receipt and heterospecific pollen diversity, and assessed whether the incidence of different outcomes varies with altitude and whether pollen receipt relates to plant diversity. Conspecific pollen receipt increased with heterospecific pollen diversity on stigmas. In all communities, species showed either positive or neutral but never negative relations between the number of heterospecific pollen donor species and conspecific pollen receipt. The incidence of species showing positive relations increased with altitude. Finally, stigmas collected from communities with more co-flowering species had richer heterospecific pollen loads and higher abundance of conspecific pollen grains. Our findings suggest that plant diversity enhances pollination success in high-Andean plant communities. This study emphasizes the importance of plant diversity in fostering indirect plant–plant facilitative interactions in alpine environments, which could promote species coexistence and biodiversity maintenance.Sabrina S. GaviniAgustín SáezCristina TurMarcelo A. AizenNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Sabrina S. Gavini Agustín Sáez Cristina Tur Marcelo A. Aizen Pollination success increases with plant diversity in high-Andean communities
description	Abstract Pollinator-mediated plant–plant interactions have traditionally been viewed within the competition paradigm. However, facilitation via pollinator sharing might be the rule rather than the exception in harsh environments. Moreover, plant diversity could be playing a key role in fostering pollinator-mediated facilitation. Yet, the facilitative effect of plant diversity on pollination remains poorly understood, especially under natural conditions. By examining a total of 9371 stigmas of 88 species from nine high-Andean communities in NW Patagonia, we explored the prevalent sign of the relation between conspecific pollen receipt and heterospecific pollen diversity, and assessed whether the incidence of different outcomes varies with altitude and whether pollen receipt relates to plant diversity. Conspecific pollen receipt increased with heterospecific pollen diversity on stigmas. In all communities, species showed either positive or neutral but never negative relations between the number of heterospecific pollen donor species and conspecific pollen receipt. The incidence of species showing positive relations increased with altitude. Finally, stigmas collected from communities with more co-flowering species had richer heterospecific pollen loads and higher abundance of conspecific pollen grains. Our findings suggest that plant diversity enhances pollination success in high-Andean plant communities. This study emphasizes the importance of plant diversity in fostering indirect plant–plant facilitative interactions in alpine environments, which could promote species coexistence and biodiversity maintenance.
format	article
author	Sabrina S. Gavini Agustín Sáez Cristina Tur Marcelo A. Aizen
author_facet	Sabrina S. Gavini Agustín Sáez Cristina Tur Marcelo A. Aizen
author_sort	Sabrina S. Gavini
title	Pollination success increases with plant diversity in high-Andean communities
title_short	Pollination success increases with plant diversity in high-Andean communities
title_full	Pollination success increases with plant diversity in high-Andean communities
title_fullStr	Pollination success increases with plant diversity in high-Andean communities
title_full_unstemmed	Pollination success increases with plant diversity in high-Andean communities
title_sort	pollination success increases with plant diversity in high-andean communities
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/a02b858f06bc458487f83e964d054c4d
work_keys_str_mv	AT sabrinasgavini pollinationsuccessincreaseswithplantdiversityinhighandeancommunities AT agustinsaez pollinationsuccessincreaseswithplantdiversityinhighandeancommunities AT cristinatur pollinationsuccessincreaseswithplantdiversityinhighandeancommunities AT marceloaaizen pollinationsuccessincreaseswithplantdiversityinhighandeancommunities
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Pollination success increases with plant diversity in high-Andean communities

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