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Table 4 Best linear models for Aedes albopictus abundance according to the AICc.

From: Biogeography of the two major arbovirus mosquito vectors, Aedes aegypti and Aedes albopictus (Diptera, Culicidae), in Madagascar

Model n k AICc ΔAICc
Sqrt(AA) ~ Site + Period + Year 69 13 339.80  
Sqrt(AA) ~ Site + Period 69 12 340.82 1.02
Sqrt(AA) ~ Site + Period + Year + AE 69 14 342.16 2.35
Sqrt(AA) ~ Site + Period + AE 69 13 342.85 3.05
Sqrt(AA) ~ Site*Year + Period 69 20 347.82 8.02
  1. The retained model is in bold. AA stands for Ae. albopictus (abundance), AE for Ae. aegypti (presence/absence), n for sample size (three outliers were removed) and k for the number of parameters. Only the five best models are shown but all possible models (i.e., with all variable numbers and combinations) were built.