Dissertation/Thesis Abstract

Availability and seasonal use of diurnal roosts by Rafinesque's big-eared bat and southeastern myotis in bottomland hardwoods of Mississippi
by Stevenson, Candice LeeAnn, M.S., Mississippi State University, 2008, 123; 1459825
Abstract (Summary)

Rafinesque's big-eared bat (Corynorhinus rafinesquii) and southeastern myotis (Myotis austroriparius) are listed as species of concern in Mississippi. They use bottomland hardwood forests for roosting habitat; however, much of these forests in Mississippi have been lost or degraded. I seek to characterize availability and evaluate use of diurnal tree roosts for these presumably rare bats.

Approximately 1,250 ha of bottomland hardwood forest on Noxubee National Wildlife Refuge were surveyed. I measured characteristics of 622 cavity trees. Analyses revealed that these bats most often used cavities of large diameter trees (≥70 cm DBH). Rafinesque's big-eared bat and southeastern myotis roosted commonly in baldcypress (Taxodium distichum), black tupelo (Nyssa sylvatica), and American sycamore ( Platanus occidentalis). This research will be used to provide guidance for management plans to conserve these bats and their habitat.

Indexing (document details)
Advisor: Jones, Jeanne C.
Commitee: Leopold, Bruce D., Miller, Darren A., Richardson, David M., Vilella, Francisco J.
School: Mississippi State University
Department: Wildlife and Fisheries
School Location: United States -- Mississippi
Source: MAI 47/02M, Masters Abstracts International
Subjects: Ecology, Forestry
Keywords: Bottomland hardwoods, Cavity tree, Corynorhinus rafinesquii, Myotis austroriparius, Rafinesque's big-eared bat, Southeastern myotis
Publication Number: 1459825
ISBN: 978-0-549-89501-5
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