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Spatiotemporal Variations in Seed Set and Pollen Limitation in Populations of the Rare Generalist Species Polemonium caeruleum in Poland

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dc.abstract.enA vast majority of angiosperms are pollinated by animals, and a decline in the number and diversity of insects often affects plant reproduction through pollen limitation. This phenomenon may be particularly severe in rare plant species, whose populations are shrinking. Here, we examined the variability in factors shaping reproductive success and pollen limitation in red-listed Polemonium caeruleum L. During a 5-year study in several populations of P. caeruleum (7–15, depending on year), we assessed the degree of pollen limitation based on differences in seed set between open-pollinated (control) and handpollinated flowers. We analysed the effects of flower visitors, population size, and meteorological data on plant reproductive success and pollen limitation. Our study showed that pollen limitation rarely affected P. caeruleum populations, and was present mainly in small populations. Pollen limitation index was negatively affected by the size of population, visitation frequency of all insects, and when considering the visitation frequency of individual groups, also by honeybee visits. Seed production in control treatment was positively influenced by the population size, average monthly precipitation in June and visits of hoverflies, while visits of honeybees, average monthly temperature in September, and average monthly precipitation in August influenced seed production negatively. As generalist plant P. caeruleum can be pollinated by diverse insect groups, however, in small populations their main visitors, the honeybees and bumblebees, may be less attracted, eventually leading to the disappearance of these populations. In pollination of P. caeruleum managed honeybees may play a dual role: while they are the most frequent and efficient flower visitors, their presence decreases seed set in open-pollinated flowers, which is most probably related to efficient pollen collection by these insects.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorSkłodowski, Mateusz
dc.contributor.authorRyniewicz, Justyna
dc.contributor.authorRoguz, Katarzyna
dc.contributor.authorZych, Marcin
dc.contributor.authorJermakowicz, Edyta
dc.contributor.authorTałałaj, Izabela
dc.contributor.authorOstrowiecka, Beata
dc.contributor.authorWróblewska, Ada
dc.contributor.authorBrzosko, Emilia
dc.contributor.authorMirski, Paweł
dc.date.accessioned2024-01-26T07:54:24Z
dc.date.available2024-01-26T07:54:24Z
dc.date.copyright2022-01-03
dc.date.issued2022
dc.description.accesstimeAT_PUBLICATION
dc.description.financeŚrodki finansowe przyznane na realizację projektu w zakresie badań naukowych lub prac rozwojowych
dc.description.versionFINAL_PUBLISHED
dc.description.volume12
dc.identifier.doi10.3389/FPLS.2021.755830
dc.identifier.issn1664-462X
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/120306
dc.identifier.weblinkhttps://www.frontiersin.org/articles/10.3389/fpls.2021.755830/full
dc.languageeng
dc.pbn.affiliationbiological sciences
dc.relation.ispartofFrontiers in Plant Science
dc.relation.pages1-14
dc.rightsCC-BY
dc.sciencecloudnosend
dc.subject.enApis mellifera
dc.subject.enplant-pollinator interactions
dc.subject.enpollen limitation
dc.subject.enpollinator composition
dc.subject.enreproductive ecology
dc.subject.enseed set
dc.subject.enspatiotemporal variation
dc.titleSpatiotemporal Variations in Seed Set and Pollen Limitation in Populations of the Rare Generalist Species Polemonium caeruleum in Poland
dc.typeJournalArticle
dspace.entity.typePublication