When is pollination the limitingecosystem service for crops?                           Ignasi Bartomeus                   ...
(Tilman et al. 2011)
Bommarco et al. 2012
Bommarco et al. 2012
Bommarco et al. 2012
Landscape   Pollinators   Yield
Landscape                Pollinators        Yieldz-scores of Visitation                                       (Garibaldi 2...
z-scores of Visitation                                            Landscape                    z-scores of fruit set      ...
Landscape                Pollinators                       Yieldz-scores of Visitation                              z-scor...
4 of the main crops in EU    *Field Bean    *Oils seed rape    *Strawberry                      Field    *Buckwheat       ...
Same varietySame methodsSame geographical variationRealistic yield measure (weight)
Honeybees         Bumblebees     Wild bees      Hoverflies                2%               6%                   11%        ...
*Field Bean                  *Oils seed rape                  *Strawberry                  *BuckwheatAlso Honeybees!
Mean % gain with pollinators  BuckWheat   Field Bean  StrawberryOil Seed Rape                0        20       40       60...
Landscape   Pollinators   Yield
Landscape   Pollinators            Yield            effect ?   shape of the limitation?
GLMM with block nested in field as random factors             Field Bean     Oil Seed rape   Strawberry   BuckwheatTreatmen...
100%Yield         0%               Visits
Field Bean   Oils seed rape
Strawberry   Buckwheat
100%Yield               *Soil quality (water, nutrients, AFM)         0%    *Stress (Herbivory)                 Visits
100%                                   No stressYield                                   Stress         0%               Po...
Thanks to Riccardo Bommarco, Simon Potts, IngolfSteffan-Dewenter & Michal WoyciechowskiFunding:   SAPES                   ...
80              Wind                             pollinated                              Open                             ...
Bartomeus SCAPE-2012
Bartomeus SCAPE-2012
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Bartomeus SCAPE-2012

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Bartomeus SCAPE-2012

  1. 1. When is pollination the limitingecosystem service for crops? Ignasi Bartomeus nacho.bartomeus@gmail.com #SCAPE2012 @ibartomeus
  2. 2. (Tilman et al. 2011)
  3. 3. Bommarco et al. 2012
  4. 4. Bommarco et al. 2012
  5. 5. Bommarco et al. 2012
  6. 6. Landscape Pollinators Yield
  7. 7. Landscape Pollinators Yieldz-scores of Visitation (Garibaldi 2011)
  8. 8. z-scores of Visitation Landscape z-scores of fruit set Pollinators Yield(Garibaldi 2011)
  9. 9. Landscape Pollinators Yieldz-scores of Visitation z-scores of fruit set -Effect size -Proper control (Rickets 2008) (Garibaldi 2011)
  10. 10. 4 of the main crops in EU *Field Bean *Oils seed rape *Strawberry Field *Buckwheat Wind pollinated Transects Open pollinated
  11. 11. Same varietySame methodsSame geographical variationRealistic yield measure (weight)
  12. 12. Honeybees Bumblebees Wild bees Hoverflies 2% 6% 11% 35% 6% 57% 83% Field Bean Oils seed rape 2% 1% 7% 11%6% 2% 81% 90% Strawberry Buckwheat
  13. 13. *Field Bean *Oils seed rape *Strawberry *BuckwheatAlso Honeybees!
  14. 14. Mean % gain with pollinators BuckWheat Field Bean StrawberryOil Seed Rape 0 20 40 60 80
  15. 15. Landscape Pollinators Yield
  16. 16. Landscape Pollinators Yield effect ? shape of the limitation?
  17. 17. GLMM with block nested in field as random factors Field Bean Oil Seed rape Strawberry BuckwheatTreatment *** *** *** ***T*land use ns ns ns nsT*richness ns ns ns *** T*Visits ns ns ns *** also for Bumble bee visits only
  18. 18. 100%Yield 0% Visits
  19. 19. Field Bean Oils seed rape
  20. 20. Strawberry Buckwheat
  21. 21. 100%Yield *Soil quality (water, nutrients, AFM) 0% *Stress (Herbivory) Visits
  22. 22. 100% No stressYield Stress 0% Pollinator Visits
  23. 23. Thanks to Riccardo Bommarco, Simon Potts, IngolfSteffan-Dewenter & Michal WoyciechowskiFunding: SAPES Thank you! - nacho.bartomeus@gmail.com @ibartomeus
  24. 24. 80 Wind pollinated Open pollinatedFruit weight 40 0 Field Bean

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