Montpellier Workshop| State uncertainty| 15-19 November 2010

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Montpellier Workshop| State uncertainty| 15-19 November 2010

Postby rplp » Fri Jun 18, 2010 11:57 am


Upcoming workshop on the analysis of capture-recapture data using multievent models to be held at Center for Evolutionary and Functional Ecology (CEFE), Montpellier, France, 15-19 November 2010. The registration of participants will be at CEFE the 15 November on evening and will be followed by 3 days of lessons plus 1 day of practical work on the participants' data.

You are hereby cordially invited to take part in the following workshop:


organized by the Biometry and Population Biology team of CEFE in Montpellier (France)

The estimation of population parameters (survival, recruitment, dispersal, and population growth rate) is critical to many areas of fundamental and applied biology. The major source of data for such estimation comes from observations of marked animals. This workshop will deal with recent advances in the analysis of such data. The content is aimed at providing the participants with a solid background in the philosophy, theory and practices for the analysis of data from marked animals, with a specific focus on multievent data and models. Multievent capture-recapture models are a natural generalization of the multisite recapture models. Similarly, individuals are sampled on discrete occasions, at which they may be captured or not. However, contrary to the multisite case, uncertainty in the assessment of state such as breeder, diseased or highly catchable can be incorporated into the analysis. Conceptually, it is not states that are observed but rather something dubbed an "event" (a particular breeding behaviour, a positive blood test or just encounter), which reflects to some extent the underlying state. The presence of imperfect observations and the lack of information on individual quality presently make multievent models an invaluable tool in virtually any area of population biology. Current applications include the study of dispersal, epidemiology, individual heterogeneity, mixture of information... New developments allow the treatment of individual heterogeneity through random effects as well as through mixture models, and the inclusion of individual as well as environmental covariates. For examples of topics that can be addressed in the multievent framework, see the non-exhaustive bibliography below.

Emphasis will be placed on stringent procedures for building and selecting the most appropriate models for the data set at hand, in order to be able to draw reliable biological conclusions.

Format of the workshop will be a combination of lectures and computer lab exercises with the programs E-SURGE and U-CARE. ( U-CARE incorporates goodness-of-fit tests for multistate models, and E-SURGE makes the building of complex models easy based on a language describing the structure of models in a compact and user-friendly way. All lectures and course material will be in English.

It is our hope that participants will bring their own capture-recapture data to work on them during the workshop. To take full advantage of the workshop, it is expected that the participants will have some basic practice of the analysis of CR data.

Teachers: Roger Pradel, Olivier Gimenez, Emmanuelle Cam, Ana Sanz-Aguilar, Rémi Choquet.

Participants will have to provide their own laptop computer that is capable of running Windows-based software.

Thank you for disseminating this message to colleagues and students who may not have received it.

The workshop organizers
Roger Pradel, Olivier Gimenez, Emmanuelle Cam, Ana Sanz-Aguilar, Rémi Choquet

For registration, go to

Study of dispersal:
Balkız, Ö., A. Béchet, et al. (in press). "Experience-dependent natal philopatry of breeding Greater flamingos." Journal of Animal Ecology.
Devillard, S. and Y. Bray (2009). "Assessing the effect on survival of natal dispersal using multistate capture-recapture models." Ecology 90(10): 2902-2912.
Conn, P. B. and E. G. Cooch (2009). "Multistate capture-recapture analysis under imperfect state observation: an application to disease models." Journal of Applied Ecology 46(2): 486-492.
Individual heterogeneity:
Crespin, L., R. Choquet, et al. (2008). "Is heterogeneity of catchability in capture-recapture studies a mere sampling artifact or a biologically relevant feature of the population?" Population Ecology 50(3): 247-256.
Cubaynes, S., R. Pradel, et al. (2010). "Importance of Accounting for Detection Heterogeneity When Estimating Abundance: the Case of French Wolves." Conservation Biology 24(2): 621-626.
Gimenez, O. and R. Choquet (2010). "Individual heterogeneity in studies on marked animals using numerical integration: capture-recapture mixed models." Ecology 91(4): 951-957.
Peron, G., P. A. Crochet, et al. (2010). "Capture-recapture models with heterogeneity to study survival senescence in the wild." Oikos 119(3): 524-532.
Peron, G., J. D. Lebreton, et al. (2009). "Breeding dispersal in black-headed gull: the value of familiarity in a contrasted environment." Journal of Animal Ecology 79(2): 317-326.
Veran, S., O. Gimenez, et al. (2007). "Quantifying the impact of longline fisheries on adult survival in the black-footed albatross." Journal of Applied Ecology 44(5): 942-952.
Mixture of information:
Duriez, O., S. A. Saether, et al. (2009). "Estimating survival and movements using both live and dead recoveries: a case study of oystercatchers confronted with habitat change." Journal of Applied Ecology 46(1): 144-153.
Gauthier, G. and J. D. Lebreton (2008). "Analysis of band-recovery data in a multistate capture-recapture framework." Canadian Journal of Statistics-Revue Canadienne De Statistique 36(1): 59-73.
Juillet, C., R. Choquet, et al. (in press). "A capture-recapture model with double-marking, live and dead encounters, and heterogeneity of reporting due to auxiliary mark loss." Journal of Agricultural, Biological and Environmental Statistics.
Recruitment and breeding probability:
Hernández-Matías, A., J. Real, et al. (2010). "Determinants of territorial recruitment in Bonelli’s eagle (Aquila fasciata) populations." Auk 127(1): 173-184.
Lescroel, A., K. M. Dugger, et al. (2009). "Effects of individual quality, reproductive success and environmental variability on survival of a long-lived seabird." Journal of Animal Ecology 78(4): 798-806.
Millon, A., S. J. Petty, et al. (2010). "Pulsed resources affect the timing of first breeding and lifetime reproductive success of tawny owls." Journal of Animal Ecology 79(2): 426-435.
Reed, E. T., G. Gauthier, et al. (2005). "Effects of neck bands on reproduction and survival of female greater snow geese." Journal of Wildlife Management 69(1): 91-100.
Sanz-Aguilar, A., G. Tavecchia, et al. (2008). "The cost of reproduction and experience-dependent vital rates in a small petrel." Ecology 89(11): 3195–3203.
Tavecchia, G., R. Pradel, et al. (2007). "Density-dependent parameters and demographic equilibrium in open populations." Oikos 116(9): 1481-92.
Sources of mortality:
Schaub, M. and R. Pradel (2004). "Assessing the relative importance of different sources of mortality from recoveries of marked animals." Ecology 85(4): 930-8.
Sex or species uncertainty:
Pradel, R., L. Maurin-Bernier, et al. (2008). "Estimation of sex-specific survival with uncertainty in sex assessment." Canadian Journal of Statistics-Revue Canadienne De Statistique 36(1): 29-42.
Runge, J. P., J. E. Hines, et al. (2007). "Estimating species-specific survival and movement when species identification is uncertain." Ecology 88(2): 282-288.
Stopover duration:
Rivalan, P., R. Pradel, et al. (2006). "Estimating clutch frequency in the sea turtle Dermochelys coriacea using stopover duration." Marine Ecology-Progress Series 317: 285-295.
Verkuil, Y. I., J. J. Wijmenga, et al. (2010). "Spring migration of Ruffs Philomachus pugnax in Fryslan: estimates of staging duration using resighting data." Ardea 98(1): 21-33.
Rivalan, P., A.-C. Prévot-Julliard, et al. (2005). "Trade-off between current reproductive effort and delay to next reproduction in the leatherback sea turtle." Oecologia 145(4): 564-74.
Schaub, M. and J. von Hirschheydt (2009). "Effect of current reproduction on apparent survival, breeding dispersal, and future reproduction in barn swallows assessed by multistate capture-recapture models." Journal of Animal Ecology 78(3): 625-635.
Memory models:
Rouan, L., R. Choquet, et al. (2009). "A General Framework for Modeling Memory in Capture-Recapture Data." Journal of Agricultural Biological and Environmental Statistics 14(3): 338-355.
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