Within-bloom shift in abundance of a wild pollinator mediates pollen deposition rates to blueberry

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Samnegård, UlrikaLund University,Lunds universitet,Biodiversitet,Biologiska institutionen,Naturvetenskapliga fakulteten,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Biodiversitet och bevarandevetenskap,Forskargrupper vid Lunds universitet,Biodiversity,Department of Biology,Faculty of Science,Centre for Environmental and Climate Science (CEC),Biodiversity and Conservation Science,Lund University Research Groups,University of New England, Australia (author)

Within-bloom shift in abundance of a wild pollinator mediates pollen deposition rates to blueberry

Article/chapterEnglish2023

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2023

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LIBRIS-ID:oai:lup.lub.lu.se:7e1d13a0-fc6e-4ed9-963e-1e758d363fdd
https://lup.lub.lu.se/record/7e1d13a0-fc6e-4ed9-963e-1e758d363fddURI
https://doi.org/10.1016/j.baae.2023.06.002DOI

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Language:English
Summary in:English

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Subject category:art swepub-publicationtype
Subject category:ref swepub-contenttype

Notes

Intra-seasonal variation in abiotic and biotic conditions can have profound consequences for pollinator community compositions and foraging movement, with flow-on effects upon pollination services. Yet, few studies have related such variations to pollination services in crop systems. In a cultivated highbush blueberry system with two primary pollinators — the managed European honey bee and a wild stingless bee species — we investigated how pollinator abundances, bee foraging behaviour, and con- and heterospecific stigmatic pollen loads changed over early, mid, and late blueberry blooming. Both con- and heterospecific stigmatic pollen loads declined following early bloom. This shift was associated with a decline in the abundance of stingless bees, whereas the abundance of honey bees only declined during late bloom. Simultaneously, honey bees were more likely to forage for blueberry pollen, and stigmatic pollen loads, relative to bee abundance, increased during late bloom. Although mixed pollen loads were common on pollinator bodies, especially on pollen foraging honey bees, heterospecific pollen deposition on blueberry stigmas was low. Given the similar effectiveness of honey bees and stingless bees as pollinators of blueberries, we contend that the observed seasonal variation in pollen deposition is likely caused by the decline in stingless bee abundances, as honey bees were not able to fully compensate for the loss of stingless bees during late bloom. Greater consideration of seasonal heterogeneity of pollinator abundance and behaviour, as part of pollination management plans, may aid in ensuring high pollination services throughout the entirety of crop bloom.

Subject headings and genre

NATURVETENSKAP Biologi Ekologi hsv//swe
NATURAL SCIENCES Biological Sciences Ecology hsv//eng
LANTBRUKSVETENSKAPER Lantbruksvetenskap, skogsbruk och fiske Jordbruksvetenskap hsv//swe
AGRICULTURAL SCIENCES Agriculture, Forestry and Fisheries Agricultural Science hsv//eng
Floral constancy
Foraging behaviour
Heterospecific pollen
Honey bee
Phenology
Pollination
Stingless bee
Temporal changes
Tetragonula
Vaccinium

Added entries (persons, corporate bodies, meetings, titles ...)

Kendall, Liam K.Lund University,Lunds universitet,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,Centre for Environmental and Climate Science (CEC),Faculty of Science(Swepub:lu)li8183ke (author)
Brummell, Martin E.University of New England, Australia (author)
Rocchetti, MaurizioCosta Group Exchange Pty Ltd (author)
da Silva Santos, Karen Cristine BezerraUniversity of New England, Australia (author)
Smith, Henrik G.Lund University,Lunds universitet,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,LU profilområde: Naturbaserade framtidslösningar,Lunds universitets profilområden,Centre for Environmental and Climate Science (CEC),Faculty of Science,LU Profile Area: Nature-based future solutions,Lund University Profile areas(Swepub:lu)ekol-hsm (author)
Rader, RominaUniversity of New England, Australia (author)
BiodiversitetBiologiska institutionen (creator_code:org_t)

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In:Basic and Applied Ecology72, s. 64-731439-1791

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