Inter-annual variation in the numbers of territories for Lesser-spotted eagle and Booted eagle territories in Dadia-Lefkimi-Soufli National Park fitting Generalised Additive Models. Population trend modelling is also shown for each species with cyclic cubic regression (cc) splines used as smoothing terms. a Variation in the number of Lesser-spotted eagle territories fitting a GAM b Predictive GAM for the Lesser-spotted eagle with smoothed terms (cc splines) c Variation in the number of Booted eagle territories fitting a GAM d Predictive GAM for the Booted eagle with smoothed terms (cc splines).

  Part of: Poirazidis K (2017) Systematic Raptor Monitoring as conservation tool: 12 year results in the light of landscape changes in Dadia-Lefkimi-Soufli National Park. Nature Conservation 22: 17-50.