. Author manuscript; available in PMC: 2013 Dec 24.

Published in final edited form as: Ecosphere. 2012 Oct 3;3(10):art85. doi: 10.1890/ES12-00134.1

Table 1.

Illustrative list of tested models for nymph and adult density estimates ranked by ΔAIC_c. All models included year, week, latitude, and longitude. The models used in predictions are indicated with boldface.

Regression models for density estimates	Parameters	ΔAICc	R ²
Nymph model; additional covariates included
temporal and spatial covariates only	6	9.3688	0.494
summer prec, min winter temp	8	6.1036	0.572
summer prec, min winter temp, forest	9	0	0.642
summer prec, min winter temp, forest^int, forest border/area^int	11	1.7230	0.665
Adult model; additional covariates included
temporal and spatial covariates only	6	12.088	0.525
winter prec, min winter temp	8	12.263	0.510
winter prec, min winter temp, forest^int, urban^int	11	0	0.622
winter prec, min winter temp, forest^int, forest², urban^int	12	1.0319	0.628

Notes: Abbreviations are: prec, precipitation; min, minimum; temp, temperature. Superscript int indicates interactions between variables. Superscript 2 indicates additional quadratic term. The forest border/area ratio indicated here was calculated with 100 m radius (see Methods: Covariate source).