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Olivier Pays-Volard

Pays-Volard Olivier

olivier.pays @ univ-angers.fr
  • Faculté des sciences
  • Biologie - Enseignants et Chercheurs
    Ecologie - LETG-Angers
  • C'006
  • 0241735261
  • 2 BVD Lavoisier - ANGERS - 49045 - ANGERS

Discipline

Ecologie - Ecologie Comportementale - Biologie de la Conservation - Biostatistiques

Thèmes de recherche

Mes travaux visent à comprendre les mécanismes qui décrivent et expliquent la sensibilité des espèces et des communautés à l’altération spatio-temporelle de l’habitat dans des environnements sous contraintes anthropiques. Deux thèmes sont privilégiés :

(1) les réponses des communautés d’organismes face à l’hétérogénéité du paysage en focalisant sur la coexistence interspécifique, les interactions prédateurs-proies, l’utilisation des ressources (nourriture, eau…) et les déterminants comportementaux à l’origine de la structuration spatiale de la biodiversité.

(2) le contexte socio-écologique (aires protégées, zones tampons et zones multi-usages…) dans lequel les communautés d’organismes évoluent.

CV

Lardy S, Fortin D & Pays O. 2016. Increased exploration capacity promotes group fission in gregarious foraging herbivores. PLoS ONE 11, e167516

Sirot E, Renaud PC & Pays O. 2016. How competition and predation shape patterns of waterhole use by herbivores in arid ecosystems. Anim. Behav. 118, 19-26

Petersen J, Riedel B, Barras C, Pays O, Guihéneuf A, Mabilleau G, Schweizer M, Meysman FJR & Jorissen FJ. 2016. Improved methodology for measuring pore patterns in the benthic foraminiferal genus Ammonia. Mar. Micropaleontol. 128, 1-13

Barnier F, Duncan P, Fritz H, Blanchard P, Rubenstein DI & Pays O. 2016. Between-gender differences in vigilance do not necessarily lead to differences in foraging-vigilance tradeoffs. Oecologia 181, 757-768

Van der Meer E, Fritz H & Pays O. 2015. Anti predator behaviour of kudu and impala in response to mimicked African wild dogs presence: do age and sex matter? Behaviour 152, 1209-1228

Favreau FR, Pays O, Fritz H, Goulard M, Best E & Goldizen AW. 2015. Predators, food and social context affect the types of vigilance exhibited by kangaroos. Anim. Behav. 99, 109-121

Pays O, Ekori A & Fritz H. 2014. On the advantages of mixed-species groups: impalas adjust their vigilance when associated with larger prey herbivores. Ethology 120, 1207-1216

Ozainne S, Lespez L, Garnier A, Ballouche A, Neumann K, Pays O & Huysecom E. 2014. A question of timing: spatio-temporal structure and mechanisms of early agriculture expansion in West Africa. J. Archaeol. Sci. 50, 350-368

Favreau FR, Goldizen AW, Fritz H, Blomberg S, Best E & Pays O. 2014. Within-population differences in personality and plasticity in the trade-off between vigilance and foraging in kangaroos. Anim. Behav. 92, 175-184

Favreau FR, Pays O, Goldizen AW & Fritz H. 2103. Short-term behavioural responses of impalas in simulated antipredator and social contexts. PLoS ONE 8, e84970

Pays O, Beauchamp G, Carter AJ & Goldizen AW. 2013. Foraging in groups allows collective predator detection in a mammal species without alarm calls. Behav. Ecol. 24, 1229–1236

Besnard A, La Jeunesse I, Pays O, Secondi J. 2013. Topographic wetness index predicts the occurrence of bird species in floodplains. Diversity Distrib. 19, 955-963

Rieucau G, Blanchard P, Martin JGA, Favreau FR, Goldizen AW & Pays O. 2012. Investigating differences in vigilance tactic use within and between the sexes in Eastern grey kangaroos. PLoS ONE 7, e44801

Van der Meer E, Pays O, Fritz H. 2012. The effect of simulated African wild dog presence on anti-predator behaviour of kudu and impala. Ethology 118, 1018-1027

Chouteau P, Jiang Z, Bravery BD, Cai J, Li Z, Pedrono M & Pays O. 2012. Local extinction in the bird assemblage in the greater Beijing area from 1877 to 2006. PLoS ONE 7, e39859

Périquet S, Todd-Jones L, Valeix M, Stapelkamp B, Elliot N, Wijers M, Pays O, Fortin D, Madzikanda H, Fritz H, Macdonald DW & Loveridge AJ. 2012. Influence of immediate predation risk by lions on the vigilance of prey with different body-sizes. Behav. Ecol. 23, 970-976

Pays O, Fortin D, Gassani J & Duchesne J. 2012. Group dynamics and landscape features constrain the exploration of herds in fusion-fission societies: The case of European roe deer. PLoS ONE 7, e34678

Pays O, Blanchard P, Valeix M, Chamaillé-Jammes S, Duncan P, Périquet S, Lombard M, Ncube G, Tarakini T, Makuwe E & Fritz H. 2012. Detecting predators and locating competitors while foraging: an experimental study of a medium-sized herbivore in an African savanna. Oecologia 169, 419-430

Pays O, Sirot E & Fritz H. 2012. Collective vigilance in the greater Kudu: towards a better understanding of synchronisation patterns. Ethology 118, 1-9

Sirot E & Pays O. 2011. On the dynamics of predation risk perception for a vigilant forager. J. Theor. Biol. 276, 1-7

Favreau FR, Goldizen AW & Pays O. 2010. Interactions among social monitoring, anti-predator vigilance and group size in eastern grey kangaroos. Proc. R. Soc. B. 277, 2089-2095

Pays O, Blomberg SP, Renaud PC, Favreau FR & Jarman PJ. 2010. How unpredictable is the individual scanning process in socially foraging mammals? Behav. Ecol. & Sociobiol. 64, 443-454

Secondi J, Johanet A, Pays O, Cazimajou F, Djalout Z & Lemaire C. 2010. Olfactory and visual species recognition in newts, implication for the hybridization process. Behaviour 147, 1693-1712

Schumacher S, Jorissen FJ, Mackensen A, Gooday AJ & Pays O. 2010. Ontogenetic effects on stable carbon and oxygen isotopes in tests of live (Rose Bengal stained) benthic foraminifera from the Pakistan continental margin. Mar. Micropaleontol. 76, 92-103

Favreau FR, Jarman PJ, Goldizen AW, Dubot AL, Sourice S & Pays O. 2009. Vigilance in a solitary marsupial, the common wombat Vombatus ursinus. Aust. J. Zool. 57, 363-371

Carter AJ, Pays O & Goldizen AW. 2009. Individual variation in the relationship between vigilance and group size in eastern grey kangaroos. Behav. Ecol. & Sociobiol. 64, 237-245

Pays O, Goulard M, Blomberg SP, Goldizen AW, Sirot E & Jarman PJ. 2009. The effect of social facilitation on vigilance in eastern grey kangaroo, Macropus giganteus. Behav. Ecol. 20, 469-477

Pays O, Dubot AL, Jarman PJ, Loisel P & Goldizen AW. 2009. Vigilance and its complex synchrony in the red-necked pademelon, Thylogale thetis. Behav. Ecol. 20, 22-29

Johanet A, Secondi J, Pays O, Pagano A, Lodé T & Lemaire C. 2009. A case of reproductive character displacement in female palmate newts (Lissotriton helveticus). C. R. Biol. 332, 548-557

Pays O & Jarman PJ. 2008. Does sex affect individual and collective vigilance in the eastern grey kangaroo? Behav. Ecol. & Sociobiol. 62, 757-767

Pays O, Benhamou S, Helder R & Gerard JF. 2007. The dynamics of group formation in large mammalian herbivores: an analysis in the European roe deer. Anim. Behav. 74, 1429-1441

Pays O, Renaud PC, Loisel P, Petit M, Gerard JF & Jarman PJ. 2007. Prey synchronise their vigilant behaviour with other group members. Proc. R. Soc. B. 274, 1287-1291

Pays O, Jarman PJ, Loisel P & Gerard JF. 2007. Coordination, independence or synchronisation tendency of individual vigilance in the eastern grey kangaroo? Anim. Behav. 73, 595-604

Chaput-Bardy A, Pays O, Lodé T & Secondi J. 2007. Morphological clines in dendritic landscapes: size variation in Calopteryx splendens. Freshwater Biol. 52, 1677-1688

Secondi J, Aumjaud A, Pays O, Montembault D, Boyer S & Violleau D. 2007. Water turbidity affects the development of sexual morphology in the Palmate newt. Ethology 113, 711-720 

Villerette N, Marchal C, Pays O, Delorme D & Gerard JF. 2006. Do the sexes tend to segregate in field roe deer (Capreolus capreolus)? An analysis of group composition. Can. J. Zool. 84, 787-796