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Responses of Bats to Forest Fragmentation in the Mississippi River Alluvial Valley, Arkansas, USA
Department of Biological Sciences, Arkansas State University, State University, AR 72467, USA
Department of Biology, Northwest Shoals Community College, Muscle Shoals, AL 35661, USA
Department of Biology, South Arkansas Community College, El Dorado, AR 71730, USA
Eastern Illinois University, Department of Biological Sciences, Charleston, IL 61920, USA
* Author to whom correspondence should be addressed.
Received: 18 August 2010; in revised form: 8 October 2010 / Accepted: 8 October 2010 / Published: 12 October 2010
Abstract: Intense conversion of bottomland hardwood forests to rice and soybeans in the Mississippi River Valley of Arkansas has restricted the remaining forest to isolated fragments. Habitat fragmentation has proven to be detrimental to population sustainability of several species, and is the subject of intense study with often species and latitude specific responses. We compared both coarse land area classes and landscape fragmentation metrics from six 30 km × 30 km subsets centered on publicly owned management areas to bat captures obtained from a 2005 population study. Patch density was the strongest predictor of total captures (R2 = 0.801, p = 0.016) and of Myotis austroriparius captures (R2 = 0.856, p = 0.008). Our findings indicate that patch density and area are important predictors of bottomland bat captures.
Keywords: bat; GIS; conservation; patch density; landscape ecology
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Medlin, R.E., Jr.; Connior, M.B.; Gaines, K.F.; Risch, T.S. Responses of Bats to Forest Fragmentation in the Mississippi River Alluvial Valley, Arkansas, USA. Diversity 2010, 2, 1146-1157.
Medlin RE, Jr, Connior MB, Gaines KF, Risch TS. Responses of Bats to Forest Fragmentation in the Mississippi River Alluvial Valley, Arkansas, USA. Diversity. 2010; 2(10):1146-1157.
Medlin, Rex E., Jr.; Connior, Matthew B.; Gaines, Karen F.; Risch, Thomas S. 2010. "Responses of Bats to Forest Fragmentation in the Mississippi River Alluvial Valley, Arkansas, USA." Diversity 2, no. 10: 1146-1157.