This page contains a citation list of publications that have been authored by Orianne Society staff.  Orianne staff members are displayed in bold on each citation.  PDFs (click on the title to access) and links to publications are provided.

Peer-reviewed Articles

Bauder, J. M., D. R. Breininger, M. R. Bolt, M. L. Legare, C. L. Jenkins, B. B. Rothermel, and K. McGarigal. 2016. Seasonal variation in Eastern Indigo Snake (Drymarchon couperi) movement patterns and space use in Peninsular Florida at multiple temporal scales. Herpetologica 72:214–226.

Bauder, J. M., D. R. Breininger, M. R. Bolt, M. L. Legare, C. L. Jenkins, B. B. Rothermel, and K. McGarigal. 2016. The influence of sex and season on conspecific spatial overlap in a large, actively-foraging colubrid snake. PLoS ONE 11:e0160033.

Bauder, J. M., D. R. Breininger, M. R. Bolt, M. L. Legare, C. L. Jenkins, B. B. Rothermel, and K. McGarigal. 2018. Multi-level, multi-scale habitat selection by a wide-ranging, federally threatened snake. Landscape Ecology 33:743–763.

Bauder, J. M., D. R. Breininger, M. R. Bolt, M. L. Legare, C. L. Jenkins, B. B. Rothermel, and K. McGarigal. 2020. Movement barriers, habitat heterogeneity or both? Testing hypothesized effects of landscape features on home range sizes in Eastern Indigo Snakes. Journal of Zoology 311:204–216.

Bauder, J. M., C. Castellano, J. B. Jensen, D. J. Stevenson, and C. L. Jenkins. 2014. Comparison of movements, body weight, and habitat selection between translocated and resident gopher tortoises. The Journal of Wildlife Management 78:1444–1455.

Bauder, J. M., W. E. Peterman, S. F. SpearC. L. Jenkins, A. R. Whiteley, and K. McGarigal. 2021. Multiscale assessment of functional connectivity: Landscape genetics of eastern indigo snakes in an anthropogenically fragmented landscape in central Florida. Molecular Ecology 30:3422–3438.

Bauder, J. M., D. J. Stevenson, C. S. Sutherland, and C. L. Jenkins. 2017. Occupancy of potential overwintering habitat on protected lands by two imperiled snake species in the Coastal Plain of the southeastern United States. Journal of Herpetology 51:73–88.

Brooks, G. C., J. A. Smith, E. A. Frimpong, T. A. Gorman, H. C. Chandler, and C. A. Haas. 2019. Indirect connectivity estimates of amphibian breeding wetlands from spatially explicit occupancy models. Aquatic Conservation Marine and Freshwater Ecosystems 29:1815–1825.

Chandler, H. C., M. C. Allender, B. S. Stegenga, E. Haynes, E. Ospina, and D. J. Stevenson. 2019. Ophidiomycosis prevalence in Georgia’s Eastern Indigo Snake (Drymarchon couperi) populations. PLoS ONE 14: e0218351.

Chandler, H. C., S. J. Goodman, J. A. Smith, T. A. Gorman, and C. A. Haas. 2020. Understanding occupancy patterns in a low-density Gopher Tortoise (Gopherus polyphemus) population. Herpetological Conservation and Biology 15:536–546.

Chandler, H. C., D. L. McLaughlin, T. A. Gorman, K. J. McGuire, J. B. Feaga, and C. A. Haas. 2017. Drying rates of ephemeral wetlands: Implications for breeding amphibians. Wetlands 37:545–557.

Chandler, H. C., B. S. Stegenga, and D. J. Stevenson. 2019. Movement and space use in southern populations of Spotted Turtles (Clemmys guttata). Southeastern Naturalist 18:602–618.

Chandler, H. C., B. S. Stegenga, and D. J. Stevenson. 2020. Thermal ecology of Spotted Turtles (Clemmys guttata) in two southern populations. Copeia 108:737–745.

Chandler, H. C., D. J. Stevenson, J. D. Mays, B. S. Stegenga, W. H. Vaigneur, and M. D. Moore. 2017. A new trap design for catching small Emydid and Kinosternid turtles. Herpetological Review 16:261–282.

Enge, K. M., D. J. Stevenson, M. J. Elliott, and J. M. Bauder. 2013. The historical and current distribution of the Eastern Indigo Snake (Drymarchon couperi). Herpetological Conservation and Biology 8:288–307.

Folt, B., J. Bauder, S. Spear, D. Stevenson, M. Hoffman, J. R. Oaks, P. L. Wood Jr., C. Jenkins, D. A. Steen, and C. Guyer. 2019. Taxonomic and conservation implications of population genetic admixture, mito-nuclear discordance, and male-biased dispersal of a large endangered snake, Drymarchon couperi. PLoS ONE 14:e0214439.

Graves, T.A., T. N. Wasserman, M. C. Ribeiro, E. L. Landguth, S. F. Spear, N. Balkenhol, C. B. Higgins, M. J. Fortin, S. A. Cushman, and L. P. Waits. 2012. The influence of landscape characteristics and home-range size on the quantification of landscape-genetics relationships. Landscape Ecology 27:253–266.

Haynes, E., H. C. Chandler, B. S. Stegenga, L. Adamovicz, E. Ospina, D. Zerpa-Catanho, D. J. Stevenson, and M. C. Allender. 2020. Ophidiomycosis surveillance of snakes in Georgia, USA reveals new host species and taxonomic associations with disease. Scientific Reports 10:10870.

Hyslop, N. L., D. J. Stevenson, J. N. Macey, L. D. Carlile, C. L. Jenkins, J. A. Hostetler, and M. K. Oli. 2012. Survival and population growth of a long-lived threatened snake species, Drymarchon couperi (Eastern Indigo Snake). Population Ecology 54:145–156.

Jenkins, C. L., C. R. Peterson, S. C. Doering, and V. A. Cobb. 2009. Microgeographic variation in reproductive characteristics among Western Rattlesnake (Crotalus oreganus) populations. Copeia 2009:774–780.

Knafo, S. E., T. M. Norton, M. Mitchell, D. J. Stevenson, N. Hyslop, R. Poppenga, et al. 2016. Health and nutritional assessment of free‐ranging Eastern Indigo Snakes (Drymarchon couperi) in Georgia, United States. Journal of Zoo and Wildlife Medicine 47:1000–1012.

Lentz, T. B., M. C. Allender, S. Y. Thi, A. S. Duncan, A. X. Miranda, J. C. Beane, D. S. Dombrowski, B. R. Forester, C. K. Akcali, N. A. Shepard, J. E. Corey III, A. L. Braswell, L. A. Williams, C. R. Lawson, C. Jenkins, J. H. K. Pechmann, J. Blake, M. Hooper, K. Freitas, A. B. Somers, B. L. Stuart. 2021. Prevalence of Ranavirus, Batrachochytrium dendrobatidis, B. salamandrivorans, and Ophidiomyces ophiodiicola in amphibians and reptiles of North Carolina, USA. Herpetological Review 52:285–293.

Richardson, J. L., S. P. Brady, I. J. Wang, and S. F. Spear. 2016. Navigating the pitfalls and promise of landscape genetics. Molecular Ecology 24:849–863.

Shamblin, B. M., T. I. Alstad, D. J. Stevenson, J. N. Macey, F. H. Snow, and C. J. Nairn. 2011. Isolation and characterization of microsatellite markers from the threatened Eastern Indigo Snake (Drymarchon couperi). Conservation Genetic Resources 3:303–306.

Snow, F.H., A.B. Safer, D.J. Stevenson, and H.C. Chandler. 2021. Use of a novel refuge type by Eastern Indigo Snakes (Drymarchon couperi) in Georgia. Southeastern Naturalist 20:308–314.

Spear, S. F., N. Balkenhol, M. Fortin, B. H. McRae, and K. Scribner. 2010. Use of resistance surfaces for landscape genetic studies: Considerations for parameterization and analysis. Molecular Ecology 19:3576–3591.

Spear, S. F., C. M. Crisafulli, and A. Storfer. 2012. Genetic structure among coastal tailed frog populations at Mount St. Helens is moderated by post-disturbance management. Ecological Applications 22:856–869.

Spear, S. F., S. A. Cushman, and B. H. McRae. 2015. Resistance surface modeling in landscape genetics. Pages 129-148 in N. Balkenhol, S. A. Cushman, A. T. Storfer, and L. P. Waits, editors. Landscape Genetics: Concepts, Methods, Applications. John Wiley & Sons, Ltd. Chichester, United Kingdom.

Spear, S. F., J. D. Groves, L. A. Williams, and L. P. Waits. 2015. Using environmental DNA methods to improve detectability in a hellbender (Cryptobranchus alleganiensis) monitoring program. Biological Conservation 183:38–45.

Steen, D. A., D. J. Stevenson, J. C. Beane, J. D. Willson, M. J. Aresco, J. C. Godwin, S. P. Graham, L. L. Smith, J. M. Howze, D. C. Rudolph, J. B. Pierce, J. R. Lee, B. B. Gregory, J. Jensen, S. H. Stiles, J. A. Stiles, N. H. Nazdrowicz, and C. Guyer. 2013. Terrestrial Movements of the Red-bellied Mudsnake (Farancia abacura) and Rainbow Snake (F. erytrogramma). Herpetological Review 44:208–213.

Steen, D. A., C. J. W. McClure. J. C. Brock, D. C. Rudolph, J. B. Pierce, J. R. Lee, W. J. Humphries, B. B. Gegory, W. B. Sutton, L. L. Smith, D. L. Baxley, D. J. Stevenson, and C. Guyer. 2012. Landscape-level influences of terrestrial snake occupancy within the southeastern United States. Ecological Applications 22:1084–1097.

Stevenson, D. J., and H. C. Chandler. 2017. The herpetofauna of conservation lands along the Altamaha River, Georgia. Southeastern Naturalist 16:261–282.

Stevenson, D. J., G. Beaton, and M. J. Elliott. 2009. Distribution, status and ecology of Cordulegaster sayi Selys in Georgia, USA (Odonata:Cordulegastridae). Bulletin of American Odonatology 11:20–25.

Stevenson, D. J., M. R. Bolt, D. J. Smith, K. M. Enge, N. L. Hyslop, T. M. Norton, K. J. Dyer. 2010. Prey Records for the Eastern Indigo Snake (Drymarchon couperi). Southeastern Naturalist 9:1–18.

Stevenson, D. J., K. M. Enge, L. D. Carlile, K. J. Dyer, T. M. Norton, N. L. Hyslop, and R. A. Kiltie. 2009. An Eastern Indigo Snake (Drymarchon couperi) mark-recapture study in southeastern Georgia. Herpetological Conservation and Biology 4:30–42.

Stevenson, D. J., K. R. Ravenscroft, R. T. Zappalorti, M. D. Ravenscroft, S. W. Weigley, and C. L. Jenkins. 2010. Using a wildlife detector dog for locating Eastern Indigo Snakes (Drymarchon couperi). Herpetological Review 41:437–442.

Stiles, S., J. C. Stiles, J. C. Godwin, C. Jenkins, E. M. Rush, B. Lock, V. M. Johnson, M. Wines, and C. Guyer. 2013. Repatriation of eastern indigo snakes to conservation lands in South Alabama, USA. Pages 37–41 in P. S. Soorae, editor. Global Re-introduction Perspectives: 2013. IUCN/SSC Re-introduction Specialist Group (RSG), Gland, Switzerland.

Storfer, A., M. A. Murphy, S. F. Spear, R. Holderegger, and L. P. Waits. 2010. Landscape genetics: Where are we now? Molecular Ecology 19:3496–3514.

Trumbo, D. R., S. F. Spear, J. Baumsteiger, and A. Storfer. 2013. Rangewide landscape genetics of an endemic Pacific northwestern salamander. Molecular Ecology 22:1250–1266.


Natural History Notes and County Records

Bauder, J. M., J. N. Macey, M. P. Wallace, F. Snow, A. B. Safer, and D. J. Stevenson. 2012. Drymarchon couperi (Eastern Indigo Snake). Juvenile observations. Herpetological Review 43:343.

Beane, J. C., T. Pusser, F. Snow, K. V. Briggs, and D. J. Stevenson. 2011. Pseudotriton montanus (Mud Salamander). First County Record. Herpetological Review 42:384.

Chandler, H. C., B. S. Stegenga, D. J. Stevenson, and J. Y. Lamb. 2018. Desmognathus cf. auriculatus (Southern Dusky Salamander). First County Record. Herpetological Review 49:68.

Powell, C., D. J. Stevenson, M. Smith, and J. B. Jensen. 2010. A new clutch size record for the Mud Snake (Farancia abacura). Southeastern Naturalist 9:177–178.

Stegenga, B. S., Fedler, M. T., Stevenson, D. J., Landberg, T., and Palis, J. G. 2021. Pseudobranchus striatus (Northern Dwarf Siren). Reproduction. Herpetological Review 52:599-601. 

Stevenson, D. J. 2010. Drymarchon couperi (Eastern Indigo Snake): Death feigning. Herpetological Review 41:92–93.

Stevenson, D. J. 2012. Farancia abacura (Mudsnake). First County Record. Herpetological Review 43:620.

Stevenson, D.J., B.S. Stegenga, B. Rice, J. Barrett, J. Bolton, Z. Cava, H.C. Chandler, K.M. Stohlgren, T. Brock, C.D. Camp, J.B. Jensen, M.D. Moore, S. McGuire, C. Howe, F. Snow, J. Oguni, C. Coppola, and L.L. Smith. 2021. New County Records for amphibians and reptiles in Georgia, USA. Herpetological Review 52:350–359.
Stevenson, D.J., B.S. StegengaH.C. Chandler, and R.D. Birkhead. 2021. Drymarchon couperi (Eastern Indigo Snake) – Distribution records. Herpetological Review 52:347.

Stevenson, D. J., and P. G. Frank Jr. 2012. Farancia erytrogramma erytrogramma (Common Rainbow Snake). First County Record. Herpetological Review 43:620.

Stevenson, D. J., J. D. Mays, and H. C. Chandler. 2018. Clemmys guttata (Spotted Turtle). Coloration. Herpetological Review 49:317–318.

Stevenson, D. J., and N. L. Hyslop. 2010. Drymarchon couperi (Eastern Indigo Snake): Long-distance interpopulation movement. Herpetological Review 41:91–92.

Stevenson, D. J., C. L. Jenkins, K. M. Stohlgren, J. B. Jensen, D. L. Bechler, I. Deery, D. duff, S. P. Graham, R. Herrington, P. Higgins, R. V. Horan III, C. Kelehear, K. Dylan, K. Kincaid, L. D. Mcbrayer, M. Moore, C. Muise, T. Muise, A. Muise, J. Oguni, E. M. Schlimm, and W. Vaigneur. 2015. Significant new records of amphibians and reptiles from Georgia, USA. Herpetological Review 46:597–601.



Antonio, F., and R. A. Odum. 2012. Eastern Indigo Snake (Drymarchon couperi) population management plan 2010–2012. Association of Zoos and Aquariums. 15 pages.

Antonio, F. 2010. Eastern Indigo Snake studbook (Drymarchon couperi), 2nd edition. Association of Zoos and Aquariums. 59 pages.

AZA Snake TAG. 2011. Eastern Indigo Snake (Drymarchon couperi) care manual. Association of Zoos and Aquariums, Silver Spring, Maryland. 57 pages.

Bauder, J. M., D. Blodgett, K. V. Briggs, and C. L. Jenkins. 2011. The ecology of Timber Rattlesnakes (Crotalus horridus) in Vermont: A first year progress report submitted to the Vermont Department of Fish and Wildlife. 43 pages.

Spear, S. F. 2011. Habitat connectivity for western rattlesnake (Crotalus oreganus) in the Columbia Plateau ecoregion. Appendix A.9 Washington Connected Landscapes Project: Analysis of the Columbia Plateau Ecoregion. 27 pages.

Spear, S. F., J. M. Parker, C. R. Peterson, and C. L. Jenkins. 2011. Conservation and management of Midget Faded Rattlesnakes. State Wildlife Grant Final Report. 37 pages.

Stevenson, D. J., E. M. Schlimm, K. M. Stohlgren, J. Hepinstall-Cymerman. 2014. 2013–2014 Georgia status surveys for the Florida Pine Snake (Pituophis melanoleucus mugitus) and the Southern Hognose Snake (Heterodon simus). 14 pages.


Other Publications by Orianne Society Staff

Anderson, C. D., B. K. Epperson, M. Fortin, R. Holderegger, P. M. A. James, M. S. Rosenberg, K. T. Scribner, and S. Spear. 2010. Considering spatial and temporal scale in landscape-genetic studies of gene flow. Molecular Ecology 19:3565–3575.

Chandler, H. C., T. A. Gorman, and C. A. Haas. 2016. The effects of crayfish predation and vegetation cover on tadpole growth, survival, and nonlethal injury. Journal of Herpetology 50:271–277.

Chandler, H. C., C. A. Haas, and T. A. Gorman. 2015. The effects of habitat structure on winter aquatic invertebrate and amphibian communities in pine flatwoods wetlands. Wetlands 35:1201–1211.

Chandler, H. C., A. L. Rypel, Y. Jiao, C. A. Haas, and T. A. Gorman. 2016. Hindcasting historical breeding conditions for an endangered salamander in ephemeral wetlands of the southeastern USA: Implications of climate change. PLoS ONE 11:e0150169.

Dudaniec, R. Y., S. F. Spear, J. S. Richardson, and A. Storfer. 2012. Current and historical drivers of landscape genetic structure differ in core and peripheral salamander populations. PLoS ONE 7:e36769.

Dudaniec, R. Y., A. Storfer, S. F. Spear, and J. S. Richardson. 2010. New microsatellite markers for examining genetic variation in peripheral and core populations of the Coastal Giant Salamander (Dicamptodon tenebrosus). PLoS ONE 5:e14333.

Erwin, K. J., H. C. Chandler, J. G. Palis, T. A. Gorman, and C. A. Haas. 2016. Herpetofaunal communities in ephemeral wetlands embedded within longleaf pine flatwoods of the Gulf Coastal Plain. Southeastern Naturalist 15:431–447.

Gamble, L. R., K. McGarigal, C. L. Jenkins, and B. C. Timm 2006. Limitations of regulated “buffer zones” for the conservation of Marbled Salamanders. Wetlands 26:298–306.[298:LORBZF]2.0.CO;2.

Jenkins, C. L., and C. R. Peterson. 2008. A trophic-based approach to the conservation biology of rattlesnakes: Linking landscape disturbance to rattlesnake populations. Pages 265–274 in W. K. Hayes, K. R. Beaman, M. D. Cardwell, and S. P. Bush, editors. The Biology of Rattlesnakes. Loma Linda University Press, Loma Linda, California.

Jenkins, C. L., K. McGarigal, and L. R. Gamble. 2002. A comparison of aquatic surveying techniques used to sample Ambystoma opacum larvae. Herpetological Review 33:33–15.

Jenkins, C. L., K. McGarigal, and L. R. Gamble. 2003. Comparative effectiveness of two trapping techniques for surveying the abundance and diversity of reptiles and amphibians along drift fence arrays. Herpetological Review 34:39–42.

Jenkins, C. L., K. McGarigal, and B. C. Timm. 2006. Orientation of movements and habitat selection in a spatially structured population of Marbled Salamanders (Ambystoma opacum). Journal of Herpetology 40:240–248.

Rothermel, B. B., S. C. Walls, J. C. Mitchell, C. K. Dodd Jr., L. K. Irwin, D. E. Green, V. M. Vazquez, J. W. Petranka, and D. J. Stevenson. 2008. Widespread occurrence of the amphibian chytrid fungus Batrachochytrium dendrobatidis in the southeastern USA. Diseases of Aquatic Organisms 82:3–18.

Spear, S. F., and A. Storfer. 2008. Landscape genetic structure of coastal tailed frogs (Ascaphus truei) in protected vs. managed forests. Molecular Ecology 17:4642–4656.

Spear, S. F., C. R. Peterson, M. D. Matocq, and A. Storfer. 2005. Landscape genetics of the blotched tiger salamander (Ambystoma tigrinum melanostictum). Molecular Ecology 14:2553–2564.

Spear, S. F., C. R. Peterson, M. D. Matocq, and A. Storfer. 2006. Molecular evidence for historical and recent population size reductions of Tiger Salamanders (Ambystoma tigrinum) in Yellowstone National Park. Conservation Genetics 7:605–611.

Stevenson, D. J., K. J. Dyer, B. A. Willis-Stevenson. 2003. Survey and monitoring of the Eastern Indigo Snake in Georgia. Southeastern Naturalist 2:393–408.[0393:SAMOTE]2.0.CO;2.

Storfer, A., J. M. Eastman, and S. F. Spear. 2009. Modern molecular methods for amphibian conservation. Bioscience 59:559–571.

Storfer, A., M. A. Murphy, J. S. Evans, C. S. Goldberg, S. Robinson, S. F. Spear, R. Dezzani, E. Delmelle, L. Vierling, and L. P. Waits. 2007. Putting the ‘landscape’ in landscape genetics. Heredity 98:128–142.

Timm, B. C., K. McGarigal, and C. L. Jenkins. 2007. Emigration orientation of juvenile pond-breeding amphibians in western Massachusetts. Copeia 2007:685–698.[685:EOOJPA]2.0.CO;2.