Environmental and Ecological Statistics

, Volume 20, Issue 3, pp 337–352 | Cite as

Delimiting synchronous populations from monitoring data

  • Christophe Giraud
  • Romain Julliard
  • Emmanuelle Porcher


We propose to investigate spatial synchrony in population dynamics from monitoring data. We develop a statistical procedure to delineate populations of sites with synchronous dynamics from short time series. The procedure relies on a new norm, the synchronous total variation norm, which promotes synchrony in the estimation of the sites dynamics. The method is tested on some synthetic data sets and is applied on data from the French breeding bird monitoring program.


Monitoring data Penalized log-likelihood Primal-dual optimization Synchronous population 1-penalty 


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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  • Christophe Giraud
    • 1
  • Romain Julliard
    • 2
  • Emmanuelle Porcher
    • 2
  1. 1.CMAP, UMR CNRS 7641, Ecole PolytechniquePalaiseau CedexFrance
  2. 2.CERSP, UMR MNHN-CNRS-UPMC 7204, Muséum National d’Histoire NaturelleParisFrance

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