. The Canadian field-naturalist. Natural history. 2002 Agosta, Kuhn, and Morton: Bat Roost in Maryland 391 (0 IIJ 3 H Q. < O o 16 14- 12- 10- 8- ^ ML iucifugus ^ â E. fuscus. 24-l\/br 15-Apr OS-IVby 04-Jun 22-Jun 06-Jul 28-Jul 10-Aug23-Aug07-Sep DATE Figure 1. Seasonal use of an abandoned mine used as a night roost by three species of bats in western Maryland during the 2000 foraging season. ed with ambient temperature (r = , P < ; Figure 2). Many studies have reported a positive relationship between bat foraging activity and ambi- ent temperature (, Lacki 1984; H
. The Canadian field-naturalist. Natural history. 2002 Agosta, Kuhn, and Morton: Bat Roost in Maryland 391 (0 IIJ 3 H Q. < O o 16 14- 12- 10- 8- ^ ML iucifugus ^ â E. fuscus. 24-l\/br 15-Apr OS-IVby 04-Jun 22-Jun 06-Jul 28-Jul 10-Aug23-Aug07-Sep DATE Figure 1. Seasonal use of an abandoned mine used as a night roost by three species of bats in western Maryland during the 2000 foraging season. ed with ambient temperature (r = , P < ; Figure 2). Many studies have reported a positive relationship between bat foraging activity and ambi- ent temperature (, Lacki 1984; Hayes 1997; Gaisler et al. 1998). Anthony et al. (1981) found an inverse relationship between ambient temperature and the length of night-roosting bouts by female Little Brown Bats, and a positive relationship between ambient temperature and total insect densi-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ottawa Field-Naturalists' Club. Ottawa, Ottawa Field-Naturalists' Club
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