Northern Long-Eared Bat (Myotis septentrionalis) Day-Roost Loss in the Central Appalachian Mountains following Prescribed Burning

Table 1

Competing generalized linear models and associated number of parameters (K), Akaike’s information criterion values (AIC_c), model rankings (ΔAIC_c), and Akaike weights (ω_i) for predicting availability of northern long-eared bat (Myotis septentrionalis) day-roosts discovered in 2007–2009 and reexamined in 2016 on the Fernow Experimental Forest (FEF), West Virginia.

Model^a	K	AICc	ΔAICc	ωi
FIRE + STAGE + YEAR	4	97.81	0.00	0.25
FIRE + YEAR	3	99.16	1.35	0.13
FIRE + STAGE	3	99.17	1.36	0.13
FIRE + DBH + RANK + YEAR	5	99.96	2.15	0.09
FIRE	2	100.03	2.22	0.08
FIRE + RANK + STAGE + YEAR	5	100.07	2.26	0.08
FIRE + DBH + STAGE + YEAR	5	100.64	2.83	0.06
FIRE + DBH + STAGE	4	101.22	3.41	0.05
FIRE + DBH + YEAR	4	101.27	3.46	0.04
FIRE + RANK + STAGE	4	101.35	3.54	0.04
FIRE + RANK + YEAR	4	101.39	3.58	0.04
FIRE + DBH	3	101.98	4.17	0.03
FIRE + RANK	3	102.23	4.42	0.03
GLOBAL (FIRE + DBH + RANK + STAGE + YEAR)	6	102.28	4.47	0.03
FIRE + DBH + RANK + STAGE	5	103.52	5.71	0.01
FIRE + DBH + RANK	4	104.09	6.28	0.01

^aFIRE, prescribed fire vs. unburned; STAGE, initial day-roost decay class condition; YEAR, year of day-roost discovery; RANK, surrogate decay resistance rank from tree species specific gravity values collected at the FEF; DBH, diameter at breast height of day-roost at initial discovery.