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Establishment of wildflower fields in poor quality landscapes enhances micro-parasite prevalence in wild bumble bees

(2019) OECOLOGIA. 189(1). p.149-158
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Abstract
The current worldwide pollinator decline is caused by the interplay of different drivers. Several strategies have been undertaken to counteract or halt this decline, one of which is the implementation of wildflower fields. These supplementary flowers provide extra food resources and have proven their success in increasing pollinator biodiversity and abundance. Yet such landscape alterations could also alter the host-pathogen dynamics of pollinators, which could affect the populations. In this study, we investigated the influence of sown wildflower fields on the prevalence of micro-parasites and viruses in the wild bumble bee Bombus pascuorum, one of the most abundant bumble bee species in Europe and the Netherlands. We found that the effect of sown wildflower fields on micro-parasite prevalence is affected by the composition of the surrounding landscape and the size of the flower field. The prevalence of micro-parasites increases with increasing size of sown wildflower fields in landscapes with few semi-natural landscape elements. This effect was not observed in landscapes with a high amount of semi-natural landscape elements. We elaborate on two mechanisms which can support these findings: (1) transmission hot spots within the altered flower-networks, which could negatively impact hosts experiencing an increased exposure; (2) improved tolerance of the hosts, withstanding higher parasite populations.
Keywords
Host-pathogen, Bumble bee, Conservation, Parasites, Flower mixes, HONEY-BEE, DENSITY, CONTEXT, TRYPANOSOMATIDS, DIVERSITY, RANGE

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Citation

Please use this url to cite or link to this publication:

MLA
Piot, Niels et al. “Establishment of Wildflower Fields in Poor Quality Landscapes Enhances Micro-parasite Prevalence in Wild Bumble Bees.” OECOLOGIA 189.1 (2019): 149–158. Print.
APA
Piot, N., Meeus, I., Kleijn, D., Scheper, J., Linders, T., & Smagghe, G. (2019). Establishment of wildflower fields in poor quality landscapes enhances micro-parasite prevalence in wild bumble bees. OECOLOGIA, 189(1), 149–158.
Chicago author-date
Piot, Niels, Ivan Meeus, David Kleijn, Jeroen Scheper, Theo Linders, and Guy Smagghe. 2019. “Establishment of Wildflower Fields in Poor Quality Landscapes Enhances Micro-parasite Prevalence in Wild Bumble Bees.” Oecologia 189 (1): 149–158.
Chicago author-date (all authors)
Piot, Niels, Ivan Meeus, David Kleijn, Jeroen Scheper, Theo Linders, and Guy Smagghe. 2019. “Establishment of Wildflower Fields in Poor Quality Landscapes Enhances Micro-parasite Prevalence in Wild Bumble Bees.” Oecologia 189 (1): 149–158.
Vancouver
1.
Piot N, Meeus I, Kleijn D, Scheper J, Linders T, Smagghe G. Establishment of wildflower fields in poor quality landscapes enhances micro-parasite prevalence in wild bumble bees. OECOLOGIA. 2019;189(1):149–58.
IEEE
[1]
N. Piot, I. Meeus, D. Kleijn, J. Scheper, T. Linders, and G. Smagghe, “Establishment of wildflower fields in poor quality landscapes enhances micro-parasite prevalence in wild bumble bees,” OECOLOGIA, vol. 189, no. 1, pp. 149–158, 2019.
@article{8598988,
  abstract     = {The current worldwide pollinator decline is caused by the interplay of different drivers. Several strategies have been undertaken to counteract or halt this decline, one of which is the implementation of wildflower fields. These supplementary flowers provide extra food resources and have proven their success in increasing pollinator biodiversity and abundance. Yet such landscape alterations could also alter the host-pathogen dynamics of pollinators, which could affect the populations. In this study, we investigated the influence of sown wildflower fields on the prevalence of micro-parasites and viruses in the wild bumble bee Bombus pascuorum, one of the most abundant bumble bee species in Europe and the Netherlands. We found that the effect of sown wildflower fields on micro-parasite prevalence is affected by the composition of the surrounding landscape and the size of the flower field. The prevalence of micro-parasites increases with increasing size of sown wildflower fields in landscapes with few semi-natural landscape elements. This effect was not observed in landscapes with a high amount of semi-natural landscape elements. We elaborate on two mechanisms which can support these findings: (1) transmission hot spots within the altered flower-networks, which could negatively impact hosts experiencing an increased exposure; (2) improved tolerance of the hosts, withstanding higher parasite populations.},
  author       = {Piot, Niels and Meeus, Ivan and Kleijn, David and Scheper, Jeroen and Linders, Theo and Smagghe, Guy},
  issn         = {0029-8549},
  journal      = {OECOLOGIA},
  keywords     = {Host-pathogen,Bumble bee,Conservation,Parasites,Flower mixes,HONEY-BEE,DENSITY,CONTEXT,TRYPANOSOMATIDS,DIVERSITY,RANGE},
  language     = {eng},
  number       = {1},
  pages        = {149--158},
  title        = {Establishment of wildflower fields in poor quality landscapes enhances micro-parasite prevalence in wild bumble bees},
  url          = {http://dx.doi.org/10.1007/s00442-018-4296-y},
  volume       = {189},
  year         = {2019},
}

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