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US Geological Survey funds App State research on climate change impacts to Ozark salamander species

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A marbled salamander sits atop her eggs at Fort Leonard Wood in Missouri — the field work site of Appalachian State University biology professor Dr. Jon Davenport, who was awarded U.S. Geological Survey grant funding to research how climate change impacts Ozark salamander species. Photo courtesy of Dr. Jon Davenport

Edited by Jessica Stump
Posted Aug. 27, 2020 at 9:18 a.m.

BOONE, N.C. — From the hellbender to the eastern tiger, salamander species are under threat due to detrimental changes in climate — including increased temperatures and changing precipitation.

With support from the United States Geological Survey (USGS), Appalachian State University’s Dr. Jon Davenport is undertaking a four-year project that will provide a clear understanding of how such potential climate changes could affect salamander populations of Missouri’s Ozark Mountains — particularly those of management concern on and near U.S. Department of Defense (DoD) lands.

Davenport, an assistant professor of biology in the College of Arts and Sciences’ Department of Biology, has been awarded $392,439 in USGS grant funding for the first three years of the project — academic years 2018–19 to 2020–21.

Davenport said the grant-funded study will expand on documented changes in amphibian breeding patterns and test how breeding stage-specific responses to seasonal/climatic changes affect local amphibian populations and wetland communities. The study will also result in models that can be used to guide DoD’s land management decisions, he added.

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A ringed salamander larva. Photo courtesy of Dr. Jon Davenport

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Kenzi Stemp, manager of Dr. Jon Davenport’s laboratory at Appalachian State University, holds a salamander collected from a pond at Fort Leonard Wood (FLW) in Missouri. Davenport is an assistant professor in Appalachian’s Department of Biology. Photo courtesy of Dr. Jon Davenport

By examining such changes, or phenological shifts, scientists can better understand, respond to and prepare for the Earth’s changing climate. Phenology is the timing of organisms’ biological events — such as flowering time, reproductive events and timing of migration — in relation to seasonal and climatic changes. For example, some amphibian species are responding to warmer springs by breeding earlier in the spring, Davenport said. He explained that this shift in breeding could affect predator–prey interactions and habitat suitability.

According to Davenport, many studies exist that document changes in phenological shifts of plants and animals, but empirical tests of such shifts — those relying on observational evidence and scientific data — are rare, “despite their known critical importance in population and community ecology,” he said. “Specifically, biologists rarely know of how variation in phenological shifts will impact both demographic rates and species interactions.”

“This approach, which combines data from multiple life stages for different species, will allow this work to be a model for both basic ecology and conservation efforts, as we will incorporate experimental results into demographic simulation models, which are often not coincidentally performed,” Davenport said.

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Dr. Jon Davenport, assistant professor of biology in Appalachian State University's Department of Biology, is pictured holding a snapping turtle. Photo courtesy of Dr. Jon Davenport

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Appalachian State University alumnus Thomas Hastings ’20, of Cape Girardeau, Missouri, helps collect salamander specimen from a pond at Fort Leonard Wood in Missouri. Hastings graduated from Appalachian in May with a Master of Science in biology. Photo courtesy of Dr. Jon Davenport

App State student researchers involved with the project
  • Alan Babineau, a biology graduate student from Battleboro.
  • Thomas Hastings ’20, of Cape Girardeau, Missouri, who graduated from Appalachian in May with a Master of Science in biology.

Field work for the project has been conducted at Fort Leonard Wood (FLW) in Missouri, and this work will continue once the freeze on university-sponsored, in-state travel mandated by the University of North Carolina System is lifted.

For the project, Davenport is collaborating with the following individuals:

  • Dr. Jake Burkhart, a biologist for the U.S. Fish and Wildlife Service. Burkhart recently completed his postdoctoral research in Davenport’s laboratory at Appalachian.
  • Kenzi Stemp, who manages Davenport’s lab.
  • Dr. Thomas Anderson, assistant professor in the Department of Biology at Southern Illinois University-Edwardsville (SIUE). Before joining SIUE, Anderson completed his postdoctoral research with Davenport at Appalachian.

Their work is a component of a larger project known as the Strategic Environmental Research and Development Program (SERDP), in collaboration with USGS and Virginia Polytechnic Institute and State University.

App State student researchers involved with the project
  • Alan Babineau, a biology graduate student from Battleboro.
  • Thomas Hastings ’20, of Cape Girardeau, Missouri, who graduated from Appalachian in May with a Master of Science in biology.

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About the Department of Biology

The Department of Biology is a community of teacher-scholars, with faculty representing the full breadth of biological specializations — from molecular genetics to landscape/ecosystem ecology. The department seeks to produce graduates with sound scientific knowledge, the skills to create new knowledge, and the excitement and appreciation of scientific discovery. Learn more at https://biology.appstate.edu.

About the College of Arts and Sciences

The College of Arts and Sciences is home to 16 academic departments, one stand-alone academic program, two centers and one residential college. These units span the humanities and the social, mathematical and natural sciences. The College of Arts and Sciences aims to develop a distinctive identity built upon our university's strengths, traditions and unique location. The college’s values lie not only in service to the university and local community, but through inspiring, training, educating and sustaining the development of its students as global citizens. There are approximately 6,100 student majors in the college. As the college is also largely responsible for implementing Appalachian's general education curriculum, it is heavily involved in the education of all students at the university, including those pursuing majors in other colleges. Learn more at https://cas.appstate.edu.

About Appalachian State University

As the premier public undergraduate institution in the state of North Carolina, Appalachian State University prepares students to lead purposeful lives as global citizens who understand and engage their responsibilities in creating a sustainable future for all. The Appalachian Experience promotes a spirit of inclusion that brings people together in inspiring ways to acquire and create knowledge, to grow holistically, to act with passion and determination, and to embrace diversity and difference. Located in the Blue Ridge Mountains, Appalachian is one of 17 campuses in the University of North Carolina System. Appalachian enrolls more than 20,000 students, has a low student-to-faculty ratio and offers more than 150 undergraduate and graduate majors.

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Appalachian Today is an online publication of Appalachian State University. This website consolidates university news, feature stories, events, photo galleries, videos and podcasts.

The migration of materials from other sites is still incomplete, so if you cannot find what you're looking for here, please refer to the following sources:

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Archives

Appalachian Today is an online publication of Appalachian State University. This website consolidates university news, feature stories, events, photo galleries, videos and podcasts.

The migration of materials from other sites is still incomplete, so if you cannot find what you're looking for here, please refer to the following sources:

  • Additional feature stories may be found at Appalachian Magazine
  • Podcasts may be found at Appalachian Magazine
  • Photo galleries and videos published prior to Jan. 1, 2015 may be found at Appalachian Magazine
  • A university-wide Google Calendar may be found at Events at Appalachian
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