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1 January 2002 Effects of Deer Feeders, Habitat and Sensory Cues on Predation Rates on Artificial Turtle Nests
ALISON M. HAMILTON, ADAM H. FREEDMAN, RICHARD FRANZ
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Abstract

We used artificial nests modeled after those of Trachemys scripta, a wide-ranging freshwater turtle species, to evaluate the effects of deer feeders, habitat type and visual and olfactory cues on nest predation in northern Florida. Nests were placed at lake sites with and without deer feeders, and in three habitat types: road, edge and forest. Overall nest mortality due to predators was high (89%). Nest survival was 5.5 times higher at lakes without deer feeders than at those with feeders. Among habitat types, survival was highest at road nests (23%), while survival rates at forest (4%) and edge nests (6%) were lower than that at road nests. No significant difference in survival was detected with respect to the presence of visual or olfactory cues. Our results suggest that deer feeders reduce recruitment in freshwater turtle populations, and that generalizations regarding the negative impacts of roads should be made cautiously, in a taxon and site-specific fashion.

ALISON M. HAMILTON, ADAM H. FREEDMAN, and RICHARD FRANZ "Effects of Deer Feeders, Habitat and Sensory Cues on Predation Rates on Artificial Turtle Nests," The American Midland Naturalist 147(1), 123-134, (1 January 2002). https://doi.org/10.1674/0003-0031(2002)147[0123:EODFHA]2.0.CO;2
Accepted: 1 August 2001; Published: 1 January 2002
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