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Evaluating Anuran Relative Abundance and Assessing Salamander Movements in Protected Areas

Baczynski, Kathleen

Abstract Details

2013, Doctor of Philosophy (Ph.D.), Bowling Green State University, Biological Sciences.
Amphibians are important creatures that serve as indicators of wetland health. Recently, there has been a substantial decline in amphibian numbers due to multiple factors including Chytrid fungus and other diseases, habitat destruction and fragmentation, collection, invasive species, and changing climate. While studies on amphibians are on the rise, none have been conducted in the Oak Openings Region of northwest Ohio. This region is a unique mosaic of habitat types ranging from wet prairies, to sand dunes, to oak savannas. These are only three of the fifteen habitat types that encompass the region. In addition, this mixed disturbance landscape is facing urbanization from the north and encroaching agriculture from the south which may put local amphibian communities in jeopardy. There were three main goals to my study: 1) to determine important landscape, local, and environmental variables to anurans, 2) to determine movement patterns of salamanders, and 3) to determine leaf litter preference for three species of anurans. First I used frog call surveys along with habitat and environmental measurements to determine what was important to anurans over a two-year period. Different variables were important across spatial scales and these patterns varied temporally. Second, I used fluorescent powder to track salamanders at night. I found that both tiger and spotted salamanders exhibited directionality in movement, but neither this nor any other movement variables measured could be explained by snout-vent length. Third, I used a controlled mescosm experiment to determine leaf litter preferences (maple v. oak) among three Ranid spp. American bullfrogs showed a preference for oak but none of the three species differed significantly from each other.
Karen Root, Dr. (Advisor)
Jeff Miner, Dr. (Committee Member)
Helen Michaels, Dr. (Committee Member)
Enrique Gomezdelcampo, Dr. (Committee Member)
Peter Lu, Dr. (Committee Member)
119 p.

Recommended Citations

Citations

  • Baczynski, K. (2013). Evaluating Anuran Relative Abundance and Assessing Salamander Movements in Protected Areas [Doctoral dissertation, Bowling Green State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1374576008

    APA Style (7th edition)

  • Baczynski, Kathleen. Evaluating Anuran Relative Abundance and Assessing Salamander Movements in Protected Areas . 2013. Bowling Green State University, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1374576008.

    MLA Style (8th edition)

  • Baczynski, Kathleen. "Evaluating Anuran Relative Abundance and Assessing Salamander Movements in Protected Areas ." Doctoral dissertation, Bowling Green State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1374576008

    Chicago Manual of Style (17th edition)