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Shining a light on ...
Shining a light on bumblebee foraging strategies: bumblebee species niche partitioning is related to visual sensory traits
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- Bartholomée, Océane (author)
- Lund University,Lunds universitet,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,Biodiversitet och bevarandevetenskap,Forskargrupper vid Lunds universitet,Centre for Environmental and Climate Science (CEC),Faculty of Science,Biodiversity and Conservation Science,Lund University Research Groups
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- Dwyer, Ciara (author)
- Lund University,Lunds universitet,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,Centre for Environmental and Climate Science (CEC),Faculty of Science
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- Tichit, Pierre (author)
- Durham University
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- Caplat, Paul (author)
- Queen's University Belfast
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- Baird, Emily (author)
- Stockholm University
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- Smith, Henrik G. (author)
- Lund 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,LU profilområde: Naturbaserade framtidslösningar,Lunds universitets profilområden,Biodiversity,Department of Biology,Faculty of Science,Centre for Environmental and Climate Science (CEC),Biodiversity and Conservation Science,Lund University Research Groups,LU Profile Area: Nature-based future solutions,Lund University Profile areas
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(creator_code:org_t)
- 2023
- 2023
- English.
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In: Proceedings of the Royal Society B: Biological Sciences. - 1471-2954. ; 290:1996
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Abstract
Subject headings
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- Local coexistence of bees has been explained by flower resource partitioning, but coexisting bumblebee species often have strongly overlapping diets. We investigated if light microhabitat niche separation, underpinned by visual traits, could serve as an alternative mechanism underlying local coexistence of bumblebee species. To this end, we focused on a homogeneous flower resource—bilberry—in a heterogeneous light environment—hemi-boreal forests. We found that bumblebee communities segregated along a gradient of light intensity. The community-weighted mean of the eye parameter—a metric measuring the compromise between light sensitivity and visual resolution—decreased with light intensity, showing a higher investment in light sensitivity of communities observed in darker conditions. This pattern was consistent at the species level. In general, species with higher eye parameter (larger investment in light sensitivity) foraged in dimmer light than those with a lower eye parameter (higher investment in visual resolution). Moreover, species realized niche optimum was linearly related to their eye parameter. These results suggest microhabitat niche partitioning to be a potential mechanism underpinning bumblebee species coexistence. This study highlights the importance of considering sensory traits when studying pollinator habitat use and their ability to cope with changing environments.
Subject headings
- NATURVETENSKAP -- Biologi -- Zoologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Zoology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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