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P IERRE G AZRE | V INCENT D EVICTOR | ISEM M ONTPELLIER Linking species and community dynamics to explain bird responses R to climate change Elanus caeruleus - http://www.chassimages.com Context | Method |


  1. P IERRE G AÜZÈRE | V INCENT D EVICTOR | ISEM M ONTPELLIER Linking species and community dynamics to explain bird responses R to climate change Elanus caeruleus - http://www.chassimages.com

  2. Context | Method | Results | Conclusion Climate Change & Biodiversity P ARMESAN , 2006 NASA Instrumental temperature record, Goddard Institute for Space Studies

  3. Context | Method | Results | Conclusion Community Species Ségrégation des échelles d’intégration

  4. Context | Method | Results | Conclusion Community Species Ségrégation des échelles d’intégration

  5. Context | Method | Results | Conclusion Community Species ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

  6. Context | Method | Results | Conclusion 1 Temperature affects Birds Community 2 Species contribution to the global trend 3 Underliying processes at stake

  7. Context | Method | Results | Conclusion F RENCH B REEDING B IRD S URVEY 1989 to 2012 | 4418 Sites | >10 6 Observations | 114 species Quentin Giraudon | Groupe Ornithologique du Roussillon

  8. Context | Method | Results | Conclusion 1.Temperature affects Birds Community « S pecies T hermal I ndex » STI value = 12.4 ° C STI value =18.4 ° C average temperature within the distribution area of a species

  9. Context | Method | Results | Conclusion 1.Temperature affects Birds Community CTI « C OMMUNITY T EMPERATURE I NDEX » A Community Weighted Mean of the « S pecies T hermal I ndex » 3 STI 1 + 2 STI 2 + STI 3 + STI 4 + STI 5 CTI = 3 + 2 + 1 + 1 At any point, CTI measures the thermic composition of the species assemblage

  10. Context | Method | Results | Conclusion 1.Temperature affects Birds Community CTI Temporal Trend Linear Mixed Effects Model CTI y,s =  +  *YEAR + a s + b s *YEAR s + ε y,s Response Fixed Effects Random Effects Error

  11. Context | Method | Results | Conclusion 1.Temperature affects Birds Community CTI Temporal Trend Spring Temperature Variations Response Time? CTI y ~ Temp y + 0 an Temp y-1 + 1 an Variable Selection Temp y-2 + 2 ans based on AICc Temp y-3 + 3 ans

  12. Context | Method | Results | Conclusion Spring Temperature Variation in France

  13. Context | Method | Results | Conclusion CTI Temporal Trend

  14. Context | Method | Results | Conclusion Spring Temperature Variation CTI Temporal Trend + 2 years 14

  15. Context | Method | Results | Conclusion Spring Temperature Variation CTI Temporal Trend + 2 years reproductive success survival local recruitment J ULLIARD ET AL ., 2004; J IGUET ET AL ., 2006

  16. Context | Method | Results | Conclusion 2. S PECIES C ONTRIBUTION Davey et al, 2013 C T I T IME 1989 2012

  17. Context | Method | Results | Conclusion 2. S PECIES C ONTRIBUTION Davey et al, 2013 C T I T IME 1989 2012

  18. Context | Method | Results | Conclusion 2. S PECIES C ONTRIBUTION Davey et al, 2013 C T I T IME 1989 2012 18

  19. Context | Method | Results | Conclusion 2. S PECIES C ONTRIBUTION Davey et al, 2013 C T I T IME 1989 2012

  20. Context | Method | Results | Conclusion 2. S PECIES C ONTRIBUTION Davey et al, 2013 Species Contribution to Community response C T I T IME 1989 2012

  21. Context | Method | Results | Conclusion 2. S PECIES C ONTRIBUTION

  22. Context | Method | Results | Conclusion 3. P ROCESSES AT STAKE Species Contribution to Community response S PECIES T RAITS Ecology Dispersion Life History

  23. Context | Method | Results | Conclusion 3. P ROCESSES AT STAKE Habitat Specialisation Niche Thermal Maximum Habitat Natal Dispersal Dispersion Fly Abilities Migration Mass Generation Time Life History Traits Fecondity Nest Position

  24. Context | Method | Results | Conclusion 3. P ROCESSES AT STAKE Habitat Specialisation * Niche Thermal Maximum . Habitat Natal Dispersal ** Dispersion Fly Abilities Migration Mass Generation Time Life History Traits Fecondity Nest Position

  25. Context | Method | Results | Conclusion

  26. Context | Method | Results | Conclusion

  27. Context | Method | Results | Conclusion

  28. Context | Method | Results | Conclusion Bad Dispersers Common Turtle Dove Wood-Pigeon Habitat Generalist Eurasian Linnet « Low Response Species » European Goldfinch J IGUET , F. & al.(2006) , Ecology letters B ARNAGAUD & al.,(2012) , Plos One A NGERT & al. (2011) , Ecology letters

  29. C ONCLUSION

  30. Context | Method | Results | Conclusion 2 Y EARS 1 Temperatures Community Composition

  31. Context | Method | Results | Conclusion 2 Y EARS 1 Temperatures Community Composition 2 Interspecific Variability within global response

  32. Context | Method | Results | Conclusion 2 Y EARS 1 Temperatures Community Composition 2 Interspecific Variability 3 Some traits seems particularly involved

  33. Linking species and community dynamics to explain bird responses to climate change P ARMESAN , C. (2006) Ecological and Evolutionary Responses to J ULLIARD , R., J IGUET , F. & C OUVET , D. (2004) Evidence for the impact of Recent Climate Change. Annual Review of Ecology, Evolution, and global warming on the long-term population dynamics of common Systematics , 37, 637 – 669. birds. Proceedings. Biological sciences / The Royal Society , P ARMESAN , C., G AINES , S. & G ONZALEZ , L. (2005) Empirical A NGERT , A.L., C ROZIER , L.G., R ISSLER , L.J., G ILMAN , S.E., T EWKSBURY , J.J. & perspectives on species borders: from traditional biogeography to C HUNCO , A.J. (2011) Do species’ traits predict recent shifts at Elanus caeruleus - http://www.chassimages.com global change. Oikos , 1. expanding range edges? Ecology letters , 14, 677 – 689. P ARMESAN , C. & Y OHE , G. (2003) A globally coherent fingerprint of B ARNAGAUD , J.Y., D EVICTOR , V., J IGUET , F., B ARBET -M ASSIN , M., L E V IOL , I. climate change impacts across natural systems. Nature , 421, 37 – 42. & A RCHAUX , F. (2012) Relating habitat and climatic niches in birds. PloS one , 7 P IERRE G AÜZÈRE | V INCENT D EVICTOR | ISEM M ONTPELLIER

  34. R ÉSULTATS & D ISCUSSION 3 Q UELS SONT LES PROCESSUS IMPLIQUÉS DANS CES RÉPONSES SPÉCIFIQUES ?

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