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| 2022 |
Earl, J. E., S. Blomquist, E. Harper, D. J. Hocking, M. Hunter, J. R. Johnson, M. S. Osbourn, D. Patrick, V. Popescu, T. A. G. Rittenhouse and B. B. Rothermel. 2022. Amphibian Biomass Export from Geographically Isolated Wetlands: Temporal Variability, Species Composition, and Potential Implications for Terrestrial Ecosystems. Diversity 14: 163-180. |
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Metzger, M. L., S. A. Grubbs, and J. R. Johnson. 2022. An integrative phylogenetic analysis of eastern Nearctic Leuctra Stephens, 1836 (Plecoptera: Leuctridae), with an emphasis on the fauna of a southern Appalachian Highlands landscape. Canadian Entomologist 154. |
| 2021 |
Anderson, T. L., J. E. Earl, D. J. Hocking, M. S. Osbourn, T. A. G. Rittenhouse, and J. R. Johnson. 2021. Demographic effects of phenological variation in natural populations of two pond-breeding salamanders. Oecologia 196:1073–1083. |
| 2020 |
Boyd, O. F., T. K. Philips, J. R. Johnson, J. J. Nixon. 2020. Geographically structured genetic diversity in the cave beetle Darlingtonea kentuckensis Valentine 1952 (Coleoptera, Carabidae, Trechina). Subterranean Biology 34: 1-23. |
| 2018 |
Anderson, K. and J. R. Johnson. 2018. The effects of substrate pH on growth and survival of recently metamorphosed Marbled Salamanders (Ambystoma opacum). Herpetological Conservation and Biology 13: 70-79. |
| 2016 |
Levis, N. A, M. Schooler, J. R. Johnson, and M. L. Collyer. 2016. Non-adaptive phenotypic plasticity: the effects of terrestrial and aquatic herbicides on larval salamander morphology and swim speed. Biological Journal of the Linnaean Society 118:569-581. PDF |
| 2015 |
Drake, D. L., B. H. Ousterhout, J. R. Johnson, T. L. Anderson, W. E. Peterman, C. D. Shulse, D. J. Hocking, K. L. Lohraff, E. H. Harper, T. A. G. Rittenhouse, B. B. Rothermel, L. S. Eggert, and R. D. Semlitsch. 2015. Pond-Breeding Amphibian Community Composition in Missouri. American Midland Naturalist 174:180-187. PDF |
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Fitzpatrick, B. M., M. E. Ryan, J. R. Johnson, J. Corush, and E. T. Carter. 2015. Hybridization and the species problem in conservation. Current Zoology 61:204-214. PDF |
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Levis, N. A., and J. R. Johnson. 2015. Level of UV-B radiation influences the effects of glyphosate-based herbicide on the spotted salamander. Ecotoxicology 24:1074-1086. PDF |
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Wilcox, J. T., G. E. Padgett-Flohr, J. A. Alvarez, and J. R. Johnson. 2015. American Midland Naturalist. 173:168-175. PDF |
| 2013 |
Johnson, J. R., M. E. Ryan, S. J. Micheletti, and H. B. Shaffer. 2013. Short pond hydroperiod decreases fitness of non-indigenous hybrid salamanders. Animal Conservation 16:556-565. PDF |
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Ryan, M. E., J. R. Johnson, B. M. Fitzpatrick, L. J. Lowenstine, A. M. Picco, and H. B. Shaffer. 2013. Lethal effects of pond water quality on threatened California salamanders with lesser effects on hybrid salamanders. Conservation Biology 27:95-102. PDF |
| 2011 |
Johnson, J. R., R. C. Thomson, S. J. Micheletti, and H. B. Shaffer. 2011. The origin of tiger salamander (Ambystoma tigrinum) populations in California, Oregon, and Nevada: introductions or relicts? Conservation Genetics 12:355-370. PDF |
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Wang, I. J., J. R. Johnson, B. B. Johnson, and H. B. Shaffer. 2011. Effective population size is strongly correlated with breeding pond size in the endangered California tiger salamander, Ambystoma californiense. Conservation Genetics 12:911-920. PDF |
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Tonione, M., J. R. Johnson, and E. J. Routman. 2011. Microsatellite analysis supports mitochondrial phylogeography of the hellbender (Cryptobranchus alleganiensis). Genetica 139: 209-219. PDF |
| 2010 |
Johnson, J. R., B. B. Johnson, and H. B. Shaffer. 2010. Genotype and temperature affect locomotor performance in a tiger salamander hybrid swarm. Functional Ecology. 24:1073-1080. PDF |
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Johnson, J. R., B. M. Fitzpatrick, and H. B. Shaffer. 2010. Retention of low-fitness genotypes over six decades of admixture between native and introduced tiger salamanders. BMC Evolutionary Biology 10:147. PDF |
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Fitzpatrick, B. M., J. R. Johnson, D. K. Kump, J. J. Smith, S. R. Voss, and H. B. Shaffer. 2010. Rapid spread of invasive genes into a threatened native species. PNAS 107:3606-3610. PDF |
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Thomson, R. C., I. J. Wang, and J. R. Johnson. 2010. Invited Review: Genome-enabled molecular marker development for ecology, evolution, and conservation. Molecular Ecology 19:2184-2195. PDF |
| 2009 |
Fitzpatrick, B. M., J. R. Johnson, D. K. Kump, H. B. Shaffer, J. J. Smith, and S. R. Voss. 2009. Rapid fixation of non-native alleles revealed by genome-wide SNP analysis of hybrid tiger salamanders. BMC Evolutionary Biology 9:176. PDF |
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Ryan, M. E., J. R. Johnson, and B. M. Fitzpatrick. 2009. Invasive tiger salamander genotypes impact native amphibians. PNAS 106:11166-11171. PDF |
| 2008 |
Johnson, J. R., R. D. Mahan*, and R. D. Semlitsch. 2008. Seasonal terrestrial microhabitat use by gray treefrogs (Hyla versicolor) in oak-hickory forests. Herpetologica 64:259-269. PDF |
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Hocking, D. J., T. A. G. Rittenhouse, B. B. Rothermel, J. R. Johnson, C. A. Conner, E. B. Harper, and R. D. Semlitsch. 2008. Breeding and recruitment phenology of amphibians in Missouri oak-hickory forests. American Midland Naturalist 160:41-60. PDF |
| 2007 |
Johnson, J. R., J. H. Knouft, and R. D. Semlitsch. 2007. Sex and seasonal differences in terrestrial distributions and core habitat estimates for populations of the gray treefrog (Hyla versicolor). Biological Conservation 140:250-258. PDF |
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Mahan, R. D. and J. R. Johnson. 2007. Diet of the gray treefrog, Hyla versicolor in relation to foraging site location. Journal of Herpetology 41:16-23. PDF |
| 2006 |
Johnson, J. R. 2006. Success of intracoelomic radiotransmitter implants in the arboreal anuran, Hyla versicolor. Lab Animal 35:29-33. PDF |
| 2005 |
Johnson, J. R. 2005. A novel arboreal pipe-trap designed to capture the gray treefrog (Hyla versicolor). Herpetological Review 36:274-277. PDF |
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Johnson, J. R. 2005. Gray treefrog (Hyla versicolor) record size. Herpetological Review 36:302. PDF |
| 2004 |
Daniel, R. E. and J. R. Johnson. 2004. New size records for three species of Missouri amphibians. Annual Newsletter of Missouri Herpetological Association 17:14. PDF |
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Johnson, J. R. 2004. Fall breeding of the southern leopard frog (Rana sphenocephala) in central Missouri. Annual Newsletter of Missouri Herpetological Association 17:14. PDF |
| 2003 |
Johnson, J. R. and R. D. Semlitsch. 2003. Defining core habitat of local populations of the gray treefrog (Hyla versicolor) based on choice of oviposition site. Oecologia 137:205-210. PDF |
| 2002 |
Phillips, C. A., J. R. Johnson, M. J. Dreslik, and J. E. Petzing. 2002. Effects of hydroperiod on recruitment of mole salamanders (Genus Ambystoma) at a temporary pond in Vermilion County, Illinois. Transactions of the Illinois State Academy of Science 95:131-139. PDF |
| 2001 |
Phillips, C. A., M. J., Dreslik, J. R. Johnson*, and J. E. Petzing. 2001. Application of population estimation to pond breeding salamanders. Transactions of the Illinois State Academy of Science 94:111-118 PDF |
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