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Proximity to oilsee...
Proximity to oilseed rape fields affects plant pollination and pollinator-mediated selection on a co-flowering plant on the Tibetan Plateau
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- Qiu, Yizhi (author)
- Lanzhou University,Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences
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- Yan, Xiaoping (author)
- Lanzhou University
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- Ma, Hui (author)
- Lanzhou University
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- Wang, Yuxian (author)
- Lanzhou University
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- Yang, Rong (author)
- Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences
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- Opedal, Øystein H. (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),Artbildning, anpassning och samevolution,Forskargrupper vid Lunds universitet,Biodiversity,Department of Biology,Faculty of Science,Centre for Environmental and Climate Science (CEC),Speciation, Adaptation and Coevolution,Lund University Research Groups
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- Zhao, Zhigang (author)
- Lanzhou University
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(creator_code:org_t)
- 2023-03-05
- 2023
- English.
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In: Evolutionary Applications. - : Wiley. - 1752-4571. ; 16:4, s. 814-823
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Abstract
Subject headings
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- The ecological effects of mass-flowering crops on pollinator abundance and species richness of neighbouring habitats are well established, yet the potential evolutionary consequences remain unclear. We studied effects of proximity to a mass-flowering crop on the pollination of local co-flowering plants and on patterns of natural selection on a pollination-generalised plant on the Tibetan Plateau. We recorded pollinator visitation rates and community composition at different distances (near vs. far) to oilseed rape (Brassica napus) fields in two habitat types and quantified pollinator-mediated selection on attractive traits of Trollius ranunculoides. The proximity to oilseed rape increased pollinator visitation in neighbouring alpine meadows and changed pollinator composition in neighbouring shrub meadows. Trollius ranunculoides in the alpine meadow near oilseed rape received three times more pollinator visits (mainly bees) and consequently had a 16.5% increase in seed set but also received slightly more heterospecific pollen per stigma. In contrast, pollinator visitation to T. ranunculoides in the shrub meadow near oilseed rape was three times lower (mainly flies), leading to a 10.7% lower seed despite no effect on pollen deposition. The proximity to the oilseed rape field intensified pollinator-mediated selection on flower size and weakened selection on flower height of T. ranunculoides in the alpine meadow but did not affect phenotypic selection on either trait in the shrub meadow. Our study highlights context-dependent variation in plant–pollinator interactions close to mass-flowering oilseed rape, suggesting potential effects on the evolution of flower traits of native plants through altered pollinator-mediated selection. However, context dependence may make these effects difficult to predict.
Subject headings
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Keyword
- mass-flowering crops
- oilseed rape
- plant–pollinator interaction
- pollinator-mediated selection
- Tibetan Plateau
Publication and Content Type
- art (subject category)
- ref (subject category)
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