SelectedWorks - Travis J. Ryan

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Selected Works of Travis J. Ryan

Professor of Biology

Dr. Ryan is a professor in the Department of Biological Sciences at Butler University.

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About Travis J. Ryan

Dr. Ryan is a professor in the Department of Biological Sciences at Butler University.

Present	Professor of Biology, Butler University ‐ Department of Biological Sciences
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Biology, Ecology and Evolutionary Biology, and Evolution

Ecology, Conservation, Biology, Herpetology, and Evolutionary Biology

Butler University, Student Government Association “An Apple for You” Award
Faculty Institutes for Reforming Science Teaching (FIRST II), Butler University Team
Britannica Book of the Year, featured research on reptile conservation biology
Britannica Book of the Year, featured research on reptile conservation biology
Eugene P. Odum Award, Ecological Association of America (Southeastern Chapter), 1999 ASB Meeting, Wilmington, NC

Department of Biological Sciences

317/940-9977
Gallahue Hall - 047

Email:

http://orcid.org/0000-0003-2039-5989

Articles (35)

Mammals adjust diel activity across gradients of urbanization

Travis Gallo, Mason Fidino, Brian Gerber, Adam A. Ahlers, et al.

Time is a fundamental component of ecological processes. How animal behavior changes over time has been explored through well-known ecological ...

Teaching and Learning Together: Understanding Faculty Motivation to Interdisciplinary Course ...

College Teaching (2021)

Anne M. Wilson, Travis J. Ryan, Hessam Sarooghi, NaShara Mitchell, et al.

While higher education plays a critical role in society, little is known about the motivation of faculty members within such ...

Landscape-scale differences among cities alter common species’ responses to urbanization

Ecological Applications (2020)

Mason Fidino, Travis Gallo, Elizabeth W. Lehrer, Maureen H. Murray, et al.

Understanding how biodiversity responds to urbanization is challenging, due in part to the single-city focus of most urban ecological research. ...

Diet of Trachemys scripta (Red-eared Slider) and Graptemys geographica (Common ...

Urban Naturalist (2019)

Urban environments present many challenges for aquatic turtle species. Here, we investigated whether the diets of Trachemys scripta (Red-eared Slider) ...

Advancing urban wildlife research through a multi-city collaboration

Frontiers in Ecology and the Environment (2019)

Seth B. Magle, Mason Fidino, Elizabeth W. Lehrer, Travis Gallo, et al.

Research on urban wildlife can help promote coexistence and guide future interactions between humans and wildlife in developed regions, but ...

How Metamorphosis Is Different in Plethodontids: Larval Life History Perspectives ...

Herpetologica (2017)

Plethodontid salamanders exhibit biphasic, larval form paedomorphic, and direct developing life cycles. This diversity of developmental strategies exceeds that of ...

Influence of Light Quality and Quantity on Heterophylly in the ...

Northeastern Naturalist (2017)

Heterophylly, the production of different leaf forms on the same plant, is a widespread phenomenon in terrestrial and aquatic plants ...

Movement and habitat use of the snapping turtle in an ...

Urban Ecosystems (2013)

Travis J. Ryan, William A Peterman, Jessica D. Stephens and Sean C. Sterrett

In order to effectively manage urban habitats, it is important to incorporate the spatial ecology and habitat use of the ...

Trials of the urban ecologist

Frontiers in Ecology and the Environment (2013)

Rebecca W. Dolan, Tim Carter, Travis J Ryan, Carmen M. Salsbury, et al.

A group of scientists describe some of the obstacles encountered and insights gained while carrying out ecological research in and ...

Basking behavior of Emydid turtles (Chysemys picta marginata, Graptemys geographica ...

Northeastern Naturalist (2009)

W. E. Peterman and Travis J. Ryan

Basking is common in emydid turtles and is generally accepted to be in thermoregulatory behavior. In 2004, we quantified and ...

Movement and habitat use of two aquatic turtles (Graptemys geographic ...

Urban Ecosystems (2008)

Travis J Ryan, C A Conner, B A Douthitt, S C Sterrett, et al.

Our study focuses on the spatial ecology and seasonal habitat use of two aquatic turtles in order to understand the ...

Hydroperiod and metamorphosis in the small-mouthed salamander

Northeastern Naturalist (2007)

Ambystoma texanum (Small-mouthed Salamander) breeds primarily in temporary wetlands, and while natural history studies have suggested a minimum larval period ...

Legacy of land use in Southern Appalachian forests: effects on ...

Conservation Biology (2007)

R. D. Semlitsch,, Travis J. Ryan, M. Chatfield, B. Drehman, et al.

Roads may be one of the most common disturbances in otherwise continuous forested habitat in the southern Appalachian Mountains. Despite ...

Sub-lethal Effects of 2,4-D Exposure on Golf Course Amphibians

USGA Turfgrass and Environmental Research Online (2006)

Travis J Ryan, Catherine M. Scott and Brooke A. Douthitt

Amphibians are among the most common vertebrates inhabiting golf courses. They are frequent inhabitants of golf course wetlands, where they ...

Descriptive ecology of a turtle assemblage in an urban landscape

American Midland Naturalist (2005)

Conner C A, B A Douthitt and Travis J. Ryan

We studied turtle populations inhabiting a canal and a lake (both man-made) within a heavily disturbed, urban setting. Six aquatic ...

Eurycea junaluska

Amphibian Declines: The Conservation Status of United States Species (2005)

Travis J Ryan and D. M. Sever

Species account in Amphibian Declines: The Conservation Status of United States Species. M. J. Lannoo, ed. University of California Press, ...

Presence and colonization of Placobdella on two species of freshwater ...

Journal of Herpetology (2005)

It is generally accepted that bottom-dwelling turtles have a higher ectoparasite load than turtles that bask aerially because of effects ...

Effects of science interest and experience on pseudoscientific beliefs--An Empirical ...

Travis J Ryan, Jessica Brown, Angela Johnson, Colin Sanberg, et al.

An article for Skeptic Magazine investigating the effect of science literacy on pseudoscientific belief. Authors found no significant relationship between ...

Hatching asynchrony, survival, and the fitness of alternative adult morphs ...

Oecologia (2004)

The mole salamander, Ambystoma talpoideum, exhibits both aquatic (gilled) and terrestrial (metamorphosed) adult morphologies. Previous studies have shown the existence ...

Growth and the expression of alternative life cycles in the ...

Biological Journal of the Linnean Society (2003)

Travis J Ryan and Raymond D. Semlitsch

Complex life cycles (CLCs) contain larval and adult phases that are morphologically and ecologically distinct. Simple life cycles (SLCs) have ...

Monitoring herpetofauna in a managed forest landscape: effects of habitat ...

Forest Ecology and Management (2002)

Travis J Ryan, Thomas Philippi, Yale A. Leiden, Michael E. Dorcas, et al.

We surveyed the herpetofaunal (amphibian and reptile) communities inhabiting five types of habitat on a managed landscape. We conducted monthly ...

Aspects of sex-specific differences in the expression of an alternative ...

Christopher T. Winne and Travis J. Ryan

A recent evolutionary ecological model of facultative paedomorphosis predicts that body size of mature individuals should be larger than immatures ...

Does sex influence post-reproductive metamorphosis in Ambystoma talpoideum?

Journal of Herpetology (2001)

Travis J Ryan and Gabrielle Swenson

Shorter communication in the Journal of Herpetology v. 35.

Effects of hydroperiod on metamorphosis in Rana sphenocephala

American Midland Naturalist (2001)

Travis J Ryan and Christopher T. Winne

Hydroperiod, the time a temporary pond holds water, is an important factor influencing recruitment in amphibian populations and structuring amphibian ...

Evaporative water loss in two natricine snakes, Nerodia fasciata and ...

Journal of Herpetology (2001)

Christopher T. Winne, Travis J. Ryan, Yale Leiden and Michael E. Dorcas

Shorter communication in Journal of Herpetology v. 35.