Biological Sciences strives to provide students with broad training in biology and a solid foundation of core courses in the liberal arts. With a strong emphasis on student research, the department provides students with lab and field opportunities where they may explore at the molecular, cellular, organismal and population levels of biological organization.

Below you will find scholarly and other professional works of faculty in the Biological Sciences.

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Submissions from 2014

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A global analysis of the impacts of urbanization on bird and plant diversity reveals key anthropogenic drivers, Myla F.J. Aronson, Frank A. La Sorte, Charles H. Nilon, Madhusudan Katti, Mark A. Goddard, Christopher A. Lepczyk, Paige S. Warren, Nicholas S.G. Williams, Sarel Cilliers, Bruce Clarkson, Cynnamon Dobbs, Rebecca W. Dolan, Marcus Hedblom, Stefan Klotz, Jip Louwe Kooijmans, Ingolf Kühn, Ian MacGregor-Fors, Mark McDonnell, Ulla Mörtberg, Petr Pyšek, Stefan Siebert, Jessica Sushinsky, Peter Werner, and Marten Winter

Beta diversity of urban floras among European and non-European cities, Frank A. La Sorte, Myla F. J. Aronson, Nicholas S. G. Williams, Laura Celesti-Grapow, Sarel Cilliers, Bruce D. Clarkson, Rebecca W. Dolan, Andrew Hipp, Stefan Klotz, Ingolf Kühn, Petr Pyšek, Stefan Siebert, and Marten Winter

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Beta diversity of urban floras among European and non-European cities, Frank A. La Sorte, Myla F.J. Aronson, Nicholas S.G. Williams, Laura Celesti-Grapow, Sarel Cilliers, Bruce D. Clarkson, Rebecca W. Dolan, Andrew Hipp, Stefan Klotz, Ingolf Kühn, Pter Pyšek, Stefan Siebert, and Marten Winter

Submissions from 2013

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Trials of the urban ecologist, Rebecca W. Dolan, Tim Carter, Travis J. Ryan, Carmen M. Salsbury, Thomas E. Dolan, and Marjorie Hennessy

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Mapping the Design Process for Urban Ecology Researchers, Alexander J. Felson, Mitchell Pavao-Zuckerman, Tim Carter, Franco Montalto, Bill Shuster, Nikki Springer, Emilie K. Stander, and Olyssa Starry

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Movement and habitat use of the snapping turtle in an urban landscape, Travis J. Ryan, William A. Peterman, Jessica D. Stephens, and Sean C. Sterrett

Submissions from 2011

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Documenting effects of urbanization on flora using herbarium records, Rebecca W. Dolan, Marcia E. Moore, and Jessica Stephens

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Living More Than Just Enough for the City: Persistence of High-Quality Vegetation in Natural Areas in an Urban Setting, Rebecca W. Dolan, Jessica D. Stephens, and Marcia E. Moore

Submissions from 2010

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Genetic Variation in Past and Current Landscapes: Conservation Implications Based on Six Endemic Florida Scrub Plants, Eric S. Menges, Rebecca W. Dolan, Robert Pickert, Rebecca Yahr, and Doria R. Gordon

Documents from 2009

Basking behavior of Emydid turtles (Chysemys picta marginata, Graptemys geographica, and Trachemys scripta elegans) in an urban landscape, W. E. Peterman and Travis J. Ryan

Submissions from 2008

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Capturing Genetic Variation during Ecological Restorations: An Example from Kankakee Sands in Indiana, Rebecca W. Dolan, Deborah L. Marr, and Andrew Schnabel

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Genetic change following fire in populations of a seed-banking perennial plant, Rebecca W. Dolan, Pedro F. Quintana-Ascencio, and Eric S. Menges

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Movement and habitat use of two aquatic turtles (Graptemys geographic and Trachemys scripta) in an urban landscape, Travis J. Ryan, C A. Conner, B A. Douthitt, S C. Sterrett, and Carmen M. Salsbury

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Distribution Patterns of Sciurus niger (Eastern Fox Squirrel) Leaf Nests Within Woodlots Across a Suburban/Urban Landscape, Carmen M. Salsbury

Submissions from 2006

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Sub-lethal Effects of 2,4-D Exposure on Golf Course Amphibians, Travis J. Ryan, Catherine M. Scott, and Brooke A. Douthitt

Endothelial Cell Cortactin Phosphorylation by Src Contributes to Polymorphonuclear Leukocyte Transmigration In Vitro, L. Yang, Jennifer R. Kowalski, X. Zhan, S. M. Thomas, and F. W. Luscinskas

Documents from 2005

Descriptive ecology of a turtle assemblage in an urban landscape, Conner C. A, B A. Douthitt, and Travis J. Ryan

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A new species of Streptanthus (Brassicaceae) from Three Peaks in Lake County, California, Rebecca W. Dolan and Richard O'Donnell

Cortactin regulates cell migration via activation of N-WASP, Jennifer Kowalski, C. Egile, S. Gil, S. B. Snapper, R. Li, and S. M. Thomas

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Stereochilus marginatus, Travis J. Ryan

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Eurycea longicauda, Travis J. Ryan and C. A. Conner

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Eurycea guttolineata, Travis J. Ryan and Brittney A. Douthitt

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Eurycea junaluska, Travis J. Ryan and D. M. Sever

Submissions from 2004

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Population genetic structure in Nolina brittoniana (Agavaceae), a plant endemic to the central ridges of Florida, Rebecca W. Dolan, Rebecca Yahr, and Eric S. Menges

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Eurycea junaluska, Geoffrey Hammerson and Travis J. Ryan

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Hatching asynchrony, survival, and the fitness of alternative adult morphs in Ambystoma talpoideum, Travis J. Ryan

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Effects of science interest and experience on pseudoscientific beliefs--An Empirical Test, Travis J. Ryan, Jessica Brown, Angela Johnson, Colin Sanberg, and Megan Schilmidier

The Distribution of Fox Squirrel (Sciurus niger) Leaf Nests within Forest Fragments in Central Indiana, Carmen M. Salsbury, Rebecca W. Dolan, and Emily B. Pentzer

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The Distribution of Fox Squirrel (Sciurus niger) Leaf Nests within Forest Fragments in Central Indiana, Carmen M. Salsbury, Rebecca W. Dolan, and Emily B. Pentzer

Submissions from 2003

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Growth and the expression of alternative life cycles in the salamander Ambystoma talpoideum (Caudata: Ambystomatidae), Travis J. Ryan and Raymond D. Semlitsch

Seasonal Body Temperature Fluctuations and Energetic Strategies in Free-Ranging Eastern Woodchucks, Carmen M. Salsbury

Varriation of growth rates in yellow-bellied marmots, Carmen M. Salsbury

Submissions from 2002

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Monitoring herpetofauna in a managed forest landscape: effects of habitat types and census techniques, Travis J. Ryan, Thomas Philippi, Yale A. Leiden, Michael E. Dorcas, T. Bently Wigley, and J. Whitfield Gibbons

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Ultrastructure of the reproductive system of the black swamp snake (Seminatrix pygaea). Part III. The sexual segment of the male kidney., David M. Sever

Submissions from 2001

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Geographic distribution. Farancia abacura., Kate Ingram, Travis W. Perry, and Travis J. Ryan

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Comparative genetics of seven plants endemic to Florida’s Lake Wales Ridge, Eric S. Menges, Rebecca W. Dolan, Rebecca Yahr, and Doria R. Gordan

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Does sex influence post-reproductive metamorphosis in Ambystoma talpoideum?, Travis J. Ryan and Gabrielle Swenson

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Effects of hydroperiod on metamorphosis in Rana sphenocephala, Travis J. Ryan and Christopher T. Winne

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Aspects of sex-specific differences in the expression of an alternative life cycle in the salamander Ambystoma talpoideum, Christopher T. Winne and Travis J. Ryan

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Evaporative water loss in two natricine snakes, Nerodia fasciata and Seminatrix pygaea, Christopher T. Winne, Travis J. Ryan, Yale Leiden, and Michael E. Dorcas

Submissions from 2000

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Genetic diversity and reproductive biology in Warea carteri (Brassicaceae), a narrowly endemic Florida scrub annual, Margaret E.K. Evans, Rebecca W. Dolan, Eric S. Menges, and Doria R. Gordon

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The global decline of reptiles, deja’ vu amphibians, J. Whitfield Gibbons, David E. Scott, Travis J. Ryan, Kurt A. Buhlmann, Tracey D. Tiuberville, Brian S. Metts, Judith L. Greene, Tony Mills, Yale Leiden, Sean Poppy, and Christopher T. Winne

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Seminatrix pygaea. Diet., Mark S. Mills, Travis J. Ryan, Sean M. Poppy, Anthony M. Mills, and Michael E. Dorcas

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Life history evolution and adaptive radiation of hemidactyliine salamanders, Travis J. Ryan and R. C. Bruce

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Sex and size interaction and standard metabolic rate of paedomorphic Ambystoma talpoideum: size does matter, Travis J. Ryan and William A. Hopkins

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Ultrastructure of the reproductive system of the black swamp snake (Seminatrix pygaea): Part II. Annual oviducal cycle, David M. Sever, Travis J. Ryan, Deborah Patton, and Shannon Swafford

Submissions from 1999

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Conservation implications of genetic variation in three rare species endemic to Florida rosemary scrub, Rebecca W. Dolan, Rebecca Yahr, Eric S. Menges, and Matthew Halfhill

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Ultrastructure of the reproductive system of the black swamp snake (Seminatrix pygaea). I. Evidence for oviducal sperm storage, David M. Sever and Travis J. Ryan

Submissions from 1998

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Demographic viability of populations of Silene regis in midwestern prairies: relationships with fire management, genetic variation, geographic location, population size and isolation, Eric S. Menges and Rebecca W. Dolan

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Eurycea junaluska. Morphology, Travis J. Ryan

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Larval life history and abundance of a rare salamander, Eurycea junaluska (Plethodontidae), Travis J. Ryan

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Migration, amphibian, Travis J. Ryan and Raymond D. Semlitsch

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Intraspecific heterochrony and life history evolution: Decoupling somatic and sexual development in a facultatively paedomorphic salamander, Travis J. Ryan and Raymond D. Semlitsch

Submissions from 1997

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Floristic Investigation of Crooked Creek Community of Juan Solomon Park, Indianapolis Indiana, Raelene M. Crandall and Rebecca W. Dolan

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The larvae of Eurycea junaluska (Amphibia: Caudata: Plethodontidae), with comments on distribution, Travis J. Ryan

Submissions from 1995

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The rare, serpentine endemic Streptanthus morrisonii (Brassicaceae) species complex, revisited using isozyme analysis, Rebecca W. Dolan

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The Royal Catchfly (Silene Regia; Caryophyllaceae) in Indiana, Rebecca W. Dolan

Reproductive energetics of adult male yellow- bellied marmots, Carmen M. Salsbury and K. B. Armitage

Submissions from 1994

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Effects of a Prescribed Burn on Tree- and Herb-layer Vegetation in a Post Oak (Quercus Stellata) Dominated Flatwoods, Rebecca W. Dolan

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Patterns of isozyme variation in relation to population size, isolation, and phytogeographic history in royal catchfly, Rebecca W. Dolan

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The Clute holotypes and the herbarium of Willard Nelson Clute in the Friesner Herbarium of Butler University, Rebecca W. Dolan

Submissions from 1992

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A Complete Index to the Butler University Botanical Studies, a Journal of Original Research Published by Butler University 1929-1964, Rebecca W. Dolan

Submissions from 1989

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Taxonomy of Streptanthus sect. Biennes, the Streptanthus morrisonii complex (Brassicaceae), Rebecca W. Dolan and Lawrence F. LaPre

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Vegetation and environment in an adjacent post oak flatwoods and barrens in Indiana, Rebecca W. Dolan and Eric S. Menges

Submissions from 1984

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The effects of seed size and maternal origin on the distribution of individual plant size in Ludwigia leptocarpa (Onagraceae), Rebecca W. Dolan

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Population dynamics of Ludwigia leptocarpa (Onagraceae) and some factors affecting size hierarchies in a natural population, Rebecca W. Dolan and Rebecca R. Sharitz