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  1. Detect honeybee-induced shifts in flower visitation  of bumblebees
  2. Evaluate the effect of land use intensity on competition between honeybees on bumblebees
  3. Measure fitness consequences for bumblebees

  • Extract footprints from flowers
  • Run GC/MS analysis
  • Quantify resource overlap (H2’)
  • Use landuse intensity (Li) and landscape context as predictor variables in an analysis of floral resource overlap
  • Measure worker size across EPs
  • Measure colony growth and reproductive output in a field experiment in the Schwäbische Alb

Doc
Bumblebees in agricultural landscapes in Central Europe: colony performance, floral resource use and pathogen load
Hummeln in Agrarlandschaften in Mitteleuropa: Kolonieentwicklung, Blütennutzung und Pathogenbelastung
Kämper W. (2016): Bumblebees in agricultural landscapes in Central Europe: colony performance, floral resource use and pathogen load. Dissertation, University Bochum
Doc
Kämper W., Blüthgen N., Eltz T. (2017): Bumblebee footprints on bird’s-foot trefoil uncover increasing flower visitation with land-use intensity. Agriculture, Ecosystems & Environment 240, 77–83. doi: 10.1016/j.agee.2017.02.013
More information:  doi.org
Doc
Blütenspezialisierung und Stickstoff-Homöostase - Was führt zur Anfälligkeit von Arten?
Kämper W., Weiner C., Kühsel S., Storm C., Eltz T., Blüthgen N. (2017): Evaluating the effects of floral resource specialisation and of nitrogen regulation on the vulnerability of social bees in agricultural landscapes. Apidologie, 48 (3), 371–383. doi: 10.1007/s13592-016-0480-4
More information:  doi.org
Doc
Was beeinflusst das Koloniewachstum der dunklen Erdhummel (B. terrestris)?
Wiebke Kämper, Patrizia K. Werner, Andrea Hilpert, Catrin Westphal, Nico Blüthgen, Thomas Eltz, Sara Diana Leonhardt (2016): How landscape, pollen intake and pollen quality affect colony growth in Bombus terrestris. Landscape Ecology 31 (10), 2245–2258. doi: 10.​1007/​s10980-016-0395-5
More information:  doi.org

Scientific assistants

PD Dr. Thomas Eltz
Project manager
PD Dr. Thomas Eltz
Prof. Dr. Nico Blüthgen
Project manager
Prof. Dr. Nico Blüthgen
Technische Universität Darmstadt
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