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Todd Lab Herpetolgy and Wildlife Conservation

Todd Lab publications


The following is a list of publications by members of our lab (members indicated in bold). Many of the publications are available as PDF downloads by clicking the title of the article or are available at the links under open access licenses.


2017

Peaden JM, Nowakowski AJ, Buhlmann KA, Tuberville TD, Todd BD. In Press. Effects of roads and roadside fencing on movements, space use, and carapace temperatures of a threatened tortoise.. Biological Conservation, forthcoming.

Rose JP, Todd BD. In Press. Demographic effects of prolonged drought on a nascent introduction of a semi-aquatic snake. Biological Invasions, forthcoming.

Eskew EA, Todd BD. In Press. Too cold, too wet, too bright, or just right? Environmental predictors of snake movement and activity. Copeia, forthcoming.

Agha M, Smith AL, Lovich JE, Delaney D, Ennen JR, Briggs J, Fleckensten LJ, Tennant LA, Puffer SR, Walde A, Arundel TR, Price SJ, Todd BD. In Press. Mammalian mesocarnivore visitation at tortoise burrows in a wind farm. Journal of Wildlife Management, forthcoming.

Nafus MG, Tuberville TD, Buhlmann KA, Todd BD. 2017. Precipitation quantity and timing affect native plant production and growth of a key herbivore, the desert tortoise, in the Mojave Desert. Climate Change Responses 4:4.

Nowakowski AJ, Thompson ME, Donnelly MA, Todd BD. 2017. Amphibian sensitivity to habitat modification is associated with population trends and species traits. Global Ecology and Biogeography 26:700-712.

Agha M, Price SJ, Nowakowski J, Augustine B, Todd BD. 2017. Mass mortality of eastern box turtles with upper respiratory disease following atypical cold weather. Diseases of Aquatic Organisms 124:91-100.

Nowakowski AJ, Watling JI, Whitfield SM, Todd BD, Kurz DJ, Donnelly MA. 2017. Tropical amphibians in shifting thermal landscapes under land use and climate change. Conservation Biology 31(1):96-105.

Todd BD, Nowakowski AJ, Rose JP, Price SJ. 2017. Species traits explaining sensitivity of snakes to human land use estimated from citizen science data. Biological Conservation 206:31-36.


2016

Todd BD, Rose JP, Price SJ, Dorcas ME. 2016. Using citizen science data to identify the sensitivity of species to human land use. Conservation Biology 30(6):1266–1276.

Nowakowski AJ, Whitfield SM, Eskew EA, Thompson ME, Rose JP, Kerby JL, Donnelly MA, Todd BD. 2016. Infection risk decreases with increasing mismatch in host and pathogen environmental tolerances. Ecology Letters 19:1051-1064.

Reed RN, Todd BD, Miano OJ, Canfield MJ, Fisher RN, McMartin L. 2016. Ecology and control of an introduced population of southern watersnakes (Nerodia fasciata) in southern California. Herpetologica 72(2):130-136.

Todd BD, Halstead BJ, Chiquoine LP, Peaden JM, Tuberville TD, Buhlmann KA, Nafus MG. 2016. Habitat selection by juvenile Mojave Desert tortoises. Journal of Wildlife Management 80(4):720-728.

Meyer E, Eskew EA, Chibwe L, Schrlau J, Simonich SLM, Todd BD. 2016. Organic contaminants in western pond turtles in remote habitat in California. Chemosphere 154:326-334.


2015

Peaden JM, Tuberville TD, Buhlmann KA, Nafus MG, Todd BD. 2015. Delimiting road-effect zones for threatened species: implications for mitigation fencing. Wildlife Research 42:650-659.

Rose JP, Miano OJ, Cottle GR, Lovich RE, Palmer RL, Todd BD. 2015. A herpetological inventory of Naval Air Station Fallon, Churchill County, Nevada. Western North American Naturalist 75(4):526-534.

Eskew EA, Worth SJ, Foley JE, Todd BD. 2015. American bullfrogs (Lithobates catesbeianus) resist infection by multiple isolates of Batrachochytrium dendrobatidis, including one implicated in wild mass mortality. EcoHealth 12:513-518.

Nafus MG, Todd BD, Buhlmann KA, Tuberville TD. 2015. Consequences of maternal effects on offspring size, growth, and survival in the desert tortoise. Journal of Zoology 297:108-114.

Zaragoza G, Rose JP, Purcell K, Todd BD. 2015. Terrestrial habitat use by Western Pond Turtles (Actinemys marmorata) in the Sierra foothills. Journal of Herpetology 49(3):437-441..

Nafus MG, Germano JM, Perry JA, Todd BD, Walsh A, Swaisgood RR. 2015. Hiding in plain sight: a study on camouflage and habitat selection in a slow-moving desert herbivore. Behavioral Ecology 26(5):1389-1394.


2014

Tuberville TD, Todd BD, Hermann SM, Michener WK, Guyer C. 2014. Survival, demography, and growth of gopher tortoises (Gopherus polyphemus) from three study sites with different management histories. Journal of Wildlife Management 78(7):1151-1160.

Eskew EA, Todd BD, Hopkins WA. 2014. Extremely low prevalence of Batrachochytrium dendrobatidis infection in Eastern Hellbenders (Cryptobranchus alleganiensis alleganiensis) in Southwest Virginia, USA. Herpetological Review 45(3):425-427.

Rose JP, Todd BD. 2014. Projecting invasion risk of non-native watersnakes (Nerodia fasciataand Nerodia sipedon) in the western United States. PLoS ONE 9(6):e100277. --[Download supplementary North American wetland density GIS layer derived from USGS National Hydrography dataset used in this publication.]

Todd BD, Blomquist SM, Harper EB, Osbourn MS. 2014. Effects of timber harvesting on terrestrial survival of pond-breeding amphibians. Forest Ecology and Management 313:123-131.

Showalter I, Todd BD, Brennan P. 2014. Intraspecific and interspecific variation of female genitalia in two species of watersnakes. Biological Journal of the Linnean Society 111:183-191.


2013

Lambert MR, Yasuda CM, Todd BD. 2013. Ontogenetic shift in habitat use in the western fence lizard (Sceloporus occidentalis) in northern California. Herpetological Review 44(4):579-582.

Rose JP, Miano OJ, Todd BD. 2013. Trapping efficiency, demography, and density of an introduced population of Northern Watersnakes, Nerodia sipedon, in California. Journal of Herpetology 47(3):421-427.

Nafus MG, Tuberville TD, Buhlmann KA, Todd BD. 2013. Relative abundance and demographic structure of Agassiz’s desert tortoise (Gopherus agassizii) along roads of varying size and traffic volume. Biological Conservation 162:100-106.

Eskew EA, Todd BD. 2013. Parallels in amphibian and bat declines from pathogenic fungi. Emerging Infectious Diseases 19(3):379-385.


2012

Willson JD, Hopkins WA, Bergeron CM, Todd BD. 2012. Making leaps in amphibian ecotoxicology: translating individual-level effects of contaminants to population viability. Ecological Applications 22(6): 1791-1802.

Lambert MR, Yasuda CM, Todd BD. 2012. Evaluation of a photographic technique for estimating body size in lizards from a distance. Herpetological Conservation and Biology 7(1):83-88.

Todd BD, Bergeron CM, Hopkins WA. 2012. Use of toe clips as a nonlethal index of mercury accumulation and maternal transfer in amphibians. Ecotoxicology 21:882-887.

Todd BD, Willson JD, Bergeron CM, Hopkins WA. 2012. Do effects of mercury in larval amphibians persist after metamorphosis? Ecotoxicology 21:87-95.


2011

Thornhill DJ, Rotjan RD, Todd BD, Chilcoat GC, Iglesias-Prieto R, Kemp DW, LaJeunesse TC, Reynolds JM, Schmidt GW, Shannon T, Warner ME, Fitt WK. 2011. A connection between colony biomass and death in Caribbean reef-building corals. PLoS ONE 6(12): e29535. doi:10.1371/journal.pone.0029535

Todd BD, Scott DE, Pechmann JHK, Gibbons JW. 2011. Climate change correlates with rapid delays and advancements in reproductive timing in an amphibian community. Proceedings of the Royal Society B 278:2191-2197. Press coverage: (1) Nature (2) Reuters (3) The Ecologist

Wada H, Bergeron CM, McNabb FMA, Todd BD, Hopkins WA. 2011. Dietary mercury has no observable effects on thyroid-mediated processes and fitness-related traits in wood frogs. Environmental Science & Technology 45(18):7915-7922.

Todd BD, Bergeron CM, Hepner MJ, Hopkins WA. 2011. Aquatic and terrestrial stressors in amphibians: a test of the double jeopardy hypothesis using maternally and trophically derived mercury. Environmental Toxicology & Chemistry 30(10):2277-2284.

Todd BD, Bergeron CM, Hepner MJ, Burke JN, Hopkins WA. 2011. Does maternal exposure to an environmental stressor affect offspring response to predators? Oecologia 166(1):283-290.

Bergeron CM, Hopkins WA, Todd BD, Hepner MJ, Unrine JM. 2011. Interactive effects of maternal and dietary mercury exposure have latent and lethal consequences for amphibian larvae. Environmental Science & Technology 45:3781-3787. Press coverage: American Chemical Society

Willson JD, Winne CT, Todd BD. 2011. Ecological and methodological factors affecting detectability and population estimation in elusive species. Journal of Wildlife Management 75(1):36-45.


2010

Burke JN, Bergeron CM, Todd BD, Hopkins WA. 2010. Effects of mercury on behavior and performance of northern two-lined salamanders (Eurycea bislineata). Environmental Pollution 158(12):3546-3551.

Todd BD, Willson JD, Gibbons JW. 2010. The global status of reptiles and causes of their decline. Chapter 3 pp. 47 - 67. In, Ecotoxicology of Amphibians and Reptiles, 2nd Ed. Sparling, D.W., Linder, G., Bishop, C.A., and Krest, S. (eds) CRC Press, Pensacola, FL, USA.


2009

Semlitsch RD, Todd BD, Blomquist SM, Calhoun AJK, Gibbons JW, Gibbs JP, Graeter GJ, Harper EB, Hocking DJ, Hunter ML, Patrick DA, Rittenhouse TAG, Rothermel, BB. 2009. Effects of timber harvest on amphibian populations: understanding mechanisms from forest experiments. Bioscience 59:853-862. (includes cover photo)

Todd BD, Luhring TM, Rothermel BB, Gibbons JW. 2009. Effects of forest removal on amphibian migrations: implications for habitat and landscape connectivity. Journal of Applied Ecology 46:554-561.


2008

Tuberville TD, Norton TM, Todd BD, Spratt JS. 2008. Long-term apparent survival of translocated gopher tortoises: a comparison of newly released animals and previously established residents. Biological Conservation 141:2690-2697.

Todd BD, Willson JD, Winne CT, Gibbons JW. 2008. Aspects of the ecology of the earth snakes (Virginia valeriae and V. striatula) in the Upper Coastal Plain. Southeastern Naturalist 7(2):349-358.

Todd BD, Andrews KM. 2008. Response of a reptile guild to forest harvesting. Conservation Biology 22(3):753-761.

Todd BD, Willson JD, Winne CT, Semlistch RD, Gibbons JW. 2008. Ecology of the Southeastern Crowned Snake, Tantilla coronata. Copeia 2008(2):388-394.

Todd BD, Rothermel BB, Reed RN, Luhring TM, Schlatter K, Trenkamp L, Gibbons JW. 2008. Habitat alteration increases invasive fire ant abundance to the detriment of amphibians and reptiles. Biological Invasions 10:539-546.


2007

Todd BD, Winne CT, Willson JD, Gibbons JW. 2007. Getting the drift: examining the effects of timing, trap type, and taxon on herpetofaunal drift fence surveys. American Midland Naturalist 158(2):292-305.

Todd BD. 2007. Parasites lost? An overlooked hypothesis for the evolution of alternative reproductive strategies in amphibians. The American Naturalist 170(5):793-799.

Todd BD, Davis AK. 2007. Sexual dichromatism in the marbled salamander, Ambystoma opacum. Canadian Journal of Zoology 85(9):1008-1013.

Winne CT, Willson JD, Todd BD, Andrews KM, Gibbons JW. 2007. Enigmatic decline of a protected population of Eastern Kingsnakes, Lampropeltis getula, in South Carolina. Copeia 2007(3):507-519.

Baughman B, Todd BD. 2007. The role of substrate cues in habitat selection by juvenile Bufo terrestris and Scaphiopus holbrookii. Journal of Herpetology 41(1):154-157.


2006

Todd BD, Rothermel BB. 2006. Assessing quality of clearcut habitats for amphibians: effects on abundances versus vital rates in the southern toad (Bufo terrestris). Biological Conservation 133(2):178-185.

Gibbons JW, Winne CT, Scott DE, Willson JD, Gladaus X, Andrews KM, Todd BD Fedewa LA, Wilkinson L, Tsaliagos RN, Harper SJ, Greene JL, Tuberville TD, Metts BS, Dorcas ME, Nestor JP, Young CA, Akre T, Reed RN, Buhlmann KA, Norman J, Croshaw DA, Hagen C, Rothermel BB. 2006. Remarkable amphibian biomass and abundance in an isolated wetland: implications for wetland conservation. Conservation Biology 20(5):1457-1465.

Todd BD, Winne CT. 2006. Ontogenetic and interspecific variation in timing of movement and responses to climatic factors during migrations by pond-breeding amphibians. Canadian Journal of Zoology 84(5):715-722.

Todd BD, Thornhill DJ, Fitt WK. 2006. Patterns of inorganic phosphate uptake in Cassiopea xamachana: a bioindicator species. Marine Pollution Bulletin 52(5):515-521.