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Show Mammalian Baselines through Time in the Bear River Range Auriana Dunn, Kasey E. Cole, Austin Green, J. Tyler Faith, Randal Irmis University of Utah INTRODUCTION RESULTS This project area is located on ancestral lands of the Northwestern Band of the Shoshone Nation and is part of assisting the Tribe in informing habitat restoration on nearby modern Indigenous land. Comparing the paleontological and modern data sets with rarefaction analysis shows that the paleontological data has a higher level of biodiversity than the modern data. This is due to the broader time frame that the caves cover, and the “equal opportunity” the cave deposits present for species to fall in and be preserved. METHODS AND DATA Example of a photograph from a game camera that is used as a data point. The project uses four datasets including: 1. Paleozoological remains from Thundershower and Boomerang Caves 2. Modern zoological survey data from game cameras 3. Live trapping zoological surveys from the Natural History Museum of Utah This project uses four datasets including: 1. Paleozoological remains from Thundershower and Boomerang Caves 2. Modern zoological survey data from game cameras 3. Live trapping zoological surveys from the Natural History Museum of Utah Map sketches for Boomerang Cave (left) and Thundershower (right). The sketch for Thundershower includes two views of the cave system. This project uses four datasets including: 1. Paleozoological remains from Thundershower and Boomerang Caves 2. Modern zoological survey data from game cameras 3. Live trapping zoological surveys from the Natural History Museum of Utah Radiocarbon Dates from Thundershower Cave. Median Probable Calibrated Age BP, with 2s Age Range Cal BP, of radiocarbon-dated specimens. Rarefaction curves separated into the paleontological and modern data sets with the extrapolation. Number of species level identifications by dataset. ACKNOWLEDGEMENTS CONCLUSION Example of a specimen recovered from Thundershower Cave (far left) next to three reference specimens used in comparisons. Incorporating palaeoecological data in ecosystem conservation and restoration projects is very important for understanding the full range of species diversity in a region. CITATIONS 1. 2. 3. This project uses four datasets including: 1. Paleozoological remains from Thundershower and Boomerang Caves 2. Modern zoological survey data from game cameras 3. Live trapping zoological surveys from the Natural History Museum of Utah NSF #BCS2308299 4. 5. 6. Cove, M. V., Kays, R., Bontrager, H., Bresnan, C., Lasky, M., Frerichs, T., ... & Jordan, M. J. (2021). SNAPSHOT USA 2019: a coordinated national camera trap survey of the United States. Damstedt, Jane; Cole, Kasey E. (2024, May 15). “Using Past Ecosystems to Understand Modern Climate Change: A Case Study from Utah’s House Mountain Range.” Wilkes Center For Climate Science and Policy Symposium poster session. Dietl, G. P., Kidwell, S. M., Brenner, M., Burney, D. A., Flessa, K. W., Jackson, S. T., & Koch, P. L. (2015). Conservation paleobiology: leveraging knowledge of the past to inform conservation and restoration. Annual Review of Earth and Planetary Sciences, 43(1), 79-103. Hsieh, T. C., Ma, K., & Chao, A. (2016). iNEXT: an R package for rarefaction and extrapolation of species diversity (H ill numbers). Methods in ecology and evolution, 7(12), 1451-1456. Kays, R., Cove, M. V., Diaz, J., Todd, K., Bresnan, C., Snider, M., ... & Morris, G. (2022). SNAPSHOT USA 2020: A second coordinated national camera trap survey of the United States during the COVID‐19 pandemic. O’Brien, K., Irmis, R. B., Brenner Coltrain, J., Dalmas, D. M., Derieg, K. M., Evans, T., ... & Faith, J. T. (2023). The utility of alpine cave fossil assemblages for zoological census: an example from northern Utah, United States. Journal of Mammalogy, 104(6), 1230-1245. |
