Carbon and nitrogen isotopic values from three omnivorous turtles, vegetation, and potential prey resources in the Santa Fe River, Florida sampled 2019-2020
Dates
Publication Date
2022-09-06
Start Date
2018-06-26
End Date
2020-03-13
Citation
Denton, M.J., Johnston, G.R., Thomas, T.M., Waddle, H., Walls, S., and Hart, K.M., 2022, Carbon and nitrogen isotopic values from three omnivorous turtles, vegetation, and potential prey resources in the Santa Fe River, Florida sampled 2019-2020: U.S. Geological Survey data release, https://doi.org/10.5066/P9EYX0U0.
Summary
All samples were collected within a 9km stretch of the Santa Fe River in northern Florida, USA. In 2019 and 2020 we sampled claw tissue from Macrochelys suwanniensis, Chelydra serpentina, and Trachemys scripta scripta, from three different sampling locations. We collected Vegetation and potential prey tissue samples within close proximity of turtle captures from two of the three capture locations. All tissues were used for stable carbon and nitrogen isotope analysis.
Summary
All samples were collected within a 9km stretch of the Santa Fe River in northern Florida, USA. In 2019 and 2020 we sampled claw tissue from Macrochelys suwanniensis, Chelydra serpentina, and Trachemys scripta scripta, from three different sampling locations. We collected Vegetation and potential prey tissue samples within close proximity of turtle captures from two of the three capture locations. All tissues were used for stable carbon and nitrogen isotope analysis.
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Related External Resources
Type: Related Primary Publication
Denton, M.J., Johnston, G.R., Thomas, T.M., Waddle, J.H., Walls, S.C., and Hart, K.M., 2023, Dietary Niche of Three Omnivorous Turtle Species in a Northern Florida River: Insights from Stable Isotope Analysis: Southeastern Naturalist, v. 22, no. sp12, https://doi.org/10.1656/058.022.0sp1221.
We collected these data to investigate the trophic interactions among three omnivorous species by examining their isotopic niche. Basal resources from the upper and lower Santa Fe River sampling locations were collected to establish isotopic baselines of the food web at each location. In addition to identifying current critical habitat and resources, this data will provide a baseline for comparison with future samples to facilitate interpretation of demographic changes that may be detected during long-term study of this population.
