Table 1.

Results of the negative binomial generalized linear model comparisons without and with light treatment and insect density as fixed effects, and Gaussian models on insect density with and without light treatment. loglik, log likelihood; l.r., likelihood ratio.

d.f.theta2 * loglikd.f.log l.r.p
Group 1: Myotis sp. + Plecotus sp.
 site242.450−260.548
 treatment + site214.242−243.327317.221<0.001
Group 2: Pipistrellus sp.
 site241.728−622.234
 treatment + site213.165−600.180322.055<0.0001
Group 3: Nyctalus sp. + Eptesicus sp.
 site241.718−457.728
 treatment + site211.905−453.98533.7430.29
Group 2: Pipistrellus sp. (during all nights with lights off)
 site211.080−358.170
 treatment + site181.098−357.70130.4690.93
Group 2: Pipistrellus sp. (during insect sampling with lights on)
 site211.742−291.308
 treatment + site182.372−282.32938.979<0.05
Group 2: Pipistrellus sp. (during insect sampling with lights off)
 site181.347−209.884
 treatment + site151.635−205.15634.7270.19
Group 2: Pipistrellus sp. (with insects as independent variable with lights on)
 site211.742−291.308
 insects + site201.967−287.71313.5950.06
Group 2: Pipistrellus sp. (with insects as independent variable with lights off)
 site181.347−209.884
 insects + site171.400−208.95010.9330.33
Group 2: Pipistrellus sp. (with insects as independent variable, all nights)
 site451.154−518.457
 insects + site441.488−503.985114.471<0.0005
d.f.AICloglikd.f.χ2p
insects (with lights on)
 1|site335.150−14.575
 treatment + 1|site65.9743.013335.175<0.00001
insects (with lights off)
 1|site331.049−12.525
 treatment + 1|site629.890−8.94537.1590.07