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Tuesday, January 26 • 4:00pm - 4:20pm
Roosting Habits of The Northern Long-Eared Bat Myotis Septentrionalis in a Managed Forest

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AUTHORS: Timothy Carter*, Ball State University; Jocelyn Karsk, Ball State University; Kristi Confortin, Ball State University; Scott Haulton, Indiana DNR, Division of Forestry

ABSTRACT: With the listing of the northern long-eared bat Myotis septentrionalis in April 2015, there has been increased interest in the ecology of the species. This is especially true on managed forest lands where the effects of those management practices on this species may not be known. We report the results of 4 years of tracking female northern long-eared bats to maternity roost trees on state forest lands in southern Indiana. From 2012 thru 2015 we tracked 68 bats to 175 roost trees as part of the Hardwood Ecosystem Experiment (HEE) located in the Morgan-Monroe State Forest and Yellowwood State Forest in southern Indiana. For each roost we recorded standard microhabitat characteristics. Northern long-eared bats roosted in both living and dead trees. While some variation existed among roosts characteristics, they were remarkably consistent across years. Average DBH was 30.4 cm, average roost-tree height was 18.2 m, average roost height was 8.2 m, while average canopy closure was around roosts was 55%. Some roosts were associated with regeneration openings (i.e. at edge or within interior) but most were either in intact forest or forested areas that had recently received a single-tree selection harvest.

Tuesday January 26, 2016 4:00pm - 4:20pm EST
Vandenberg B