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Research

All of Cambrian’s key staff have advanced degrees in the natural sciences. Our day-to-day work puts us on the working end of biological and geological research, and from time to time we get the opportunity to publish our data. For certain projects generating peer-reviewed science is the standard since decisions made pursuant to the Endangered Species Act are to be made on the basis of the “best available scientific and commercial information”. In recent years we have contributed to the scientific record in the areas of:

  • Karst invertebrate taxonomy and phylogeography
  • Eurycea salamander ecology, population dynamics and distribution
  • Geophysical imaging techniques for karst habitat
  • Speleothem stable isotope geochronology and paleoclimate studies

Peer-reviewed Publications

Current Cambrian Environmental personnel are bolded and underlined authors had a Cambrian Environmental affiliation for the publication.

  1. Adcock, Z.C., A.R. MacLaren, R.M. Jones, A. Villamizar-Gomez, A.E. Wall, K. White IV, M.R.J. Forstner. 2022. Predicting surface abundance of federally threatened Jollyville Plateau Salamanders (Eurycea tonkawae) to inform management activities at a highly modified urban spring. PeerJ 10:e13359.
  2. Adcock, Z.C., M.E. Adcock, B.E. Hall, and M.R.J. Forstner. 2022. Modification of a water hyacinth sieve and description of Hubbard rakes for sampling small, aquatic salamanders. Amphibian & Reptile Conservation 16(1):86-93(e304).
  3. McAllister, C.T., Z.C. Adcock, A. Villamizar-Gomez, R.M. Jones, and M.R.J. Forstner. 2021. A new host record for Clinostomum cf. marginatum (Trematoda: Digenea: Clinostomidae) from the endemic Salado Salamander, Eurycea chisholmensis (Caudata: Plethodontidae), from the Edwards Plateau, Texas, U.S.A. Comparative Parasitology 88(1):76-83.
  4. Adcock, Z.C., A. Parandhaman, W.W. Keitt, and M.R.J. Forstner. 2020. Eurycea tonkawae (Jollyville Plateau Salamander). Response to spring drying. Herpetological Review 51(4):808-809.
  5. Adcock, Z.C., A.R. MacLaren, N.F. Bendik, R.M. Jones, A. Llewellyn, K. Sparks, and K. White IV. 2020. New occurrence records for Eurycea tonkawae Chippindale, Price, Wiens & Hillis, 2000 (Caudata, Plethodontidae) from an urbanized watershed in Travis County, Texas, USA. Check List 16(4):1017-1023.
  6. Jones, R., Z.C. Adcock, and K. White. 2020. Eurycea naufragia (Georgetown Salamander). Predation. Herpetological Review 51(2):291-292.
  7. Wall, A.E., Z.C. Adcock, R. Jones, K. White. 2020. Eurycea naufragia (Georgetown Salamander). Morphology. Herpetological Review 51(1):93.
  8. McAllister, C.T., A. Villamizar Gomez, Z.C. Adcock, and M.R.J. Forstner. 2018. First report of a helminth parasite, Clinostomum marginatum, (Digenea: Clinostomidae) from the federally threatened Jollyville Plateau salamander, Eurycea tonkawae (Caudata: Plethodontidae), from Texas, U.S.A. Comparative Parasitology 85(2):182-188.
  9. Bohannon, A.M.A., Z.C. Adcock, A.R. MacLaren, M.L. Kiehne, and M.R.J. Forstner. 2018. Eurycea nana (San Marcos Salamander). Habitat. Herpetological Review 49(2):296–297.
  10. Krejca, J.K., D.J. McHenry, K.M. McDermid, Z.C. Adcock, and M.R.J. Forstner. 2017. Genetic characterization and habitat use of Eurycea pterophila salamanders from Jacob’s Well, Hays County, Texas. The Southwestern Naturalist 62(1):1-13.
  1. Van Kampen-Lewis, S., White IV, K., & Carothers, S. W. 2019. Local Distribution and Conservation Implications for Recovery of Troglobitic Species of Endangered Mold Beetle in Williamson County, Texas. Southwestern Entomologist, 44(1), 189-197.
  2. Owen, J. D., van Kampen-Lewis, S., White, K., & Crawford, C. 2016. Preliminary study of central Texas cave cricket monitoring (Orthoptera: Rhaphidophoridae). The Southwestern Naturalist, 61(3), 265-269.
  3. White, K., Davidson, G. R., & Paquin, P. 2009. Hydrologic evolution of the Edwards Aquifer recharge zone (Balcones fault zone) as recorded in the DNA of eyeless Cicurina cave spiders, south-central Texas. Geology, 37(4), 339-342.
  4. Carothers, S. W., Cossins, P., White, K., Weissling, B., & Clammons, C. 2008. Threading the Needle: Designing and Implementing Roadway Improvements in South Central Texas in Areas with Potential Threatened and Endangered Species Karst Habitat. In Sinkholes and the Engineering and Environmental Impacts of Karst (pp. 750-756).
  5. Paquin, P., Dupérré, N., Cokendolpher, J. C., White, K., & Hedin, M. 2008. The fundamental importance of taxonomy in conservation biology: the case of the eyeless Cicurina bandida (Araneae: Dictynidae) of central Texas, including new synonyms and the description of the male of the species. Invertebrate Systematics, 22(2), 139-149.
  6. Weissling, B. P., & White, K. 2007. Electrical Resistivity Imaging of Subterranean Void Space for Assessment of Endangered Species Habitat. In AGU Fall Meeting Abstracts (Vol. 2007, pp. NS31B-0383).
  7. White, K., Carothers, S. W., & Berkhouse, C. 2001. The karst fauna region concept and implications for endangered karst invertebrate recovery in Bexar County, Texas. In Proceedings of the 2001 National Cave and Karst Management Symposium, Chattanooga Tennessee.
  1. MacLaren, A.R., P.S. Crump, and M.R.J. Forstner. 2021. Optimizing the power of human performed audio surveys for monitoring the endangered Houston toad using automated recording devices. PeerJ 9:e11935.
  2. MacLaren, A.R., P.S. Crump, J.A. Royle, and M.R.J. Forstner. 2018. Observer-free experimental evaluation of habitat and distance effects on the detection of anuran and bird vocalizations. Ecology and Evolution 8(24):12991-13003.
  3. MacLaren, A.R., S.F. McCracken, and M.R.J. Forstner. 2018. Automated Monitoring Techniques Reveal New Proximate Cues of Houston Toad Chorusing Behavior. Herpetological Review 49(4):622-626.
  4. Adcock, Z.C., J.S. Godley, A.R. MacLaren, S. Sirsi, and M.R.J. Forstner. 2018. Partially buried conveyor belt to allow vehicular access across wildlife fencing. Wildlife Society Bulletin 42(3):528-533.
  5. MacLaren, A.R., S.F. McCracken, and M.R.J. Forstner. 2018. Development, Validation, and Application of Automated Detection Tools for Rare and Endangered Anuran Vocalizations. Journal of Fish and Wildlife Management 9(1):144-154.
  6. MacLaren, A.R., and M.R.J. Forstner. 2017. Geographic Distribution. Bufo [=Anaxyrus] houstonensis. Brazos Co., TX. Herpetological Review 48(1):118.
  1. Adcock, Z.C., M.E. Adcock, D.W. Adcock, and C.E. Adcock. 2022. Geographic distribution. Pinellas County, Florida, USA. Anolis equestris. Herpetological Review 53(3):441-442.
  2. Bohannon, A.M.A, L.G. Bassett, S. Sirsi, A.R. MacLaren, D.H. Foley, S.R. Fritts, L.R. Pharr, and M.R.J. Forstner. 2022. Reproductive Characteristics of Rio Grande Cooters (Pseudemys gorzugi) in Western Texas. Chelonian Conservation and Biology 21(2):246-255.
  3. Hibbitts, T.J., D.K. Walkup, T.J. LaDuc, B.D. Wolaver, J.P. Pierre, M. Duran, D. Neuharth, S. Frizzell, C.S. Adams, T.E. Johnson, D. Yandell, and W.A. Ryberg. 2021. Natural history of the Spot-tailed Earless Lizards (Holbrookia lacerata and H. subcaudalis). Journal of Natural History 55(7–8):495-514.
  4. Anderson, A., W.A. Ryberg, K.L. Skow, B.L. Pierce, S. Frizzell, D.B. Neuharth, C.S. Adams, T.E. Johnson, J.B. Pierce, D.C. Rudolph, R.R. Lopez, and T.J. Hibbitts. 2020. Modeling Louisiana Pinesnake habitat to guide the search for population relics. Southeastern Naturalist 19(4):613-626.
  5. Neuharth, D.B., W.A. Ryberg, C.S. Adams, T.J. Hibbitts, D.K. Walkup, S.L, Frizzell, T.E. Johnson, B.L. Pierce, J.B. Peirce, and D.C. Rudolph. 2020. Searching for rare and secretive snakes: are camera-trap and box-trap methods interchangeable? Wildlife Research 47(6):476-484.
  6. Bassett, L.G., D.J. Schneider, A.M.A. Bohannon, D.B. Neuharth, and M.R.J. Forstner. 2020. Geographic Distribution. Hays County, Texas, USA. Indotyphlops braminus. Herpetological Review 51(2):274.
  7. Sirsi, S., A.R. MacLaren, A.M.A. Bohannon, D.H. Foley III, and M.R.J. Forstner. 2019. Pseudemys gorzugi (Rio Grande Cooter). Resolution of prolapse. Herpetological Review 50(2):355-356.
  8. Hibbitts, T.J., W.A. Ryberg, J.A. Harvey, G. Voelker, A.M. Lawing, C.S. Adams, D.B. Neuharth, D.E. Dittmer, C.M. Duran, B.D. Wolaver, J.P. Pierre, B.J. Labay, and T.J. LaDuc. 2019. Phylogenetic structure of Holbrookia lacerata (Cope 1880) (Squamata: Phrynosomatidae): one species or two? Zootaxa 4619(1):139-154.
  9. MacLaren, A.R., and M.R.J. Forstner. 2019. Geographic Distribution. Burleson County, Texas, USA. Ambystoma tigrinum. Herpetological Review 50(1):94.
  10. Bohannon, A.M.A., D.B. Neuharth, and M.R.J. Forstner. 2018. Geographic Distribution. Crockett County, Texas, USA. Tantilla cucullata. Herpetological Review 49(4):719.
  11. MacLaren, A.R., A. Hudnall, and M.R.J. Forstner. 2018. Geographic Distribution. Montgomery County, Texas, USA. Bufo speciosus. Herpetological Review 49(4):707.
  12. Neuharth, D.B., S.L. Frizzell, W.A. Ryberg, and T.J. Hibbitts. 2018. Holbrookia lacerata (Spot-tailed Earless Lizard). Predation. Herpetological Review 49(3):537.
  13. Neuharth, D.B., D.K. Walkup, S.L. Frizzell, J.Z. Kachel, C.S. Adams, T.E. Johnson, T.J. Hibbitts, and W.A. Ryberg. 2018. Holbrookia lacerata (Spot-tailed Earless Lizard). Burying behavior. Herpetological Review 49(3):536-537.
  14. MacLaren, A.R., and M.R.J. Forstner. 2018. Geographic Distribution. Waller County, Texas, USA. Pseudacris fouquettei. Herpetological Review 49(3):501.
  15. Marshall, T.L., S. Sirsi, A.R. MacLaren, and M.R.J. Forstner. 2018. Geographic Distribution. Williamson County, Texas, USA. Rana sphenocephala. Herpetological Review 49(1):71.
  16. Bohannon, A.M.A., A.R. MacLaren, S. Sirsi, and M.R.J. Forstner. 2018. Geographic Distribution. Caldwell County, Texas, USA. Pseudemys texana. Herpetological Review 49(1):72.
  17. Bohannon, A.M.A., A.R. MacLaren, and M.R.J. Forstner. 2018. Geographic Distribution. Upton County, Texas, USA. Pantherophis emoryi. Herpetological Review 49(1):78.
  18. Kiehne, M.L., A.M.A. Bohannon, S. Sirsi, A.R. MacLaren, and M.R.J. Forstner. 2018. Geographic Distribution. Upton County, Texas, USA. Hemidactylus turcicus. Herpetological Review 49(1):73-74.
  19. Bohannon, A.M.A., A.R. MacLaren, and M.R.J. Forstner. 2018. Geographic Distribution. Caldwell County, Texas, USA. Storeria dekayi. Herpetological Review 49(1):79.
  20. Bohannon, A.M.A, M.L. Kiehne, S. Sirsi, A.R. MacLaren, and M.R.J. Forstner. 2018. Geographic Distribution. Upton County, Texas, USA. Hypsiglena jani. Herpetological Review 49(1):76.
  21. Bohannon, A.M.A., A.R. MacLaren, and M.R.J. Forstner. 2018. Geographic Distribution. Upton County, Texas, USA. Gastrophryne Olivacea. Herpetological Review 49(1):79.
  22. Trauth, S.E., D.S. Siegel, J.S. Godley, Z.C. Adcock, R.W. McDiarmid. 2017. Testicular histology reveals a novel type of spermatogenesis in Pseudobranchus axanthus (Caudata: Sirenidae). Copeia 105(4):672-679.
  23. MacLaren, A.R., S. Sirsi, and M.R.J. Forstner. 2017. Geographic Distribution. Andrews County, Texas, USA. Trachemys scripta. Herpetological Review 48(4):810.
  24. Sirsi, S., A.R. MacLaren, M.R.J. Forstner, and D.H. Foley III. 2017. Geographic Distribution. Val Verde County, Texas, USA. Anolis carolinensis. Herpetological Review 48(4):811.
  25. MacLaren, A.R., A.M.A. Bohannon, M.L. Kiehne, and M.R.J. Forstner. 2017. Geographic Distribution. Ward County, Texas, USA. Apalone spinifera. Herpetological Review 48(4):809.
  26. MacLaren, A.R., S. Sirsi, D.H. Foley III, and M.R.J. Forstner. 2017. Pseudemys gorzugi (Rio Grande Cooter). Long distance individual dispersal. Herpetological Review 48(1):180-181.
  27. Sirsi, S., A.R. MacLaren, DH Foley III, MRJ Forstner. 2017. Pseudemys gorzugi (Rio Grande Cooter). Duration of prolapse. Herpetological Review 48(1):180.
  28. Sirsi, S., A.R. MacLaren, and M.R.J. Forstner. 2017. African Spurred Tortoise (Centrochelys sulcata) (=Geochelone sulcata) Swimming. Herpetological Review 48(1):172.
  29. MacLaren, A.R., D.H. Foley III, S. Sirsi, and M.R.J. Forstner. 2017. Updating methods of satellite transmitter attachment towards long term monitoring of the Rio Grande River Cooter (Pseudemys gorzugi). Herpetological Review 48(1):48-52.
  30. Tleimat, J.M., C.J. Bintliff, A.R. MacLaren, M.R.J. Forstner, and S.F. McCracken. 2016. Geographic Distribution. Rena dulcis dulcis. Terrell County, Texas, USA. Herpetological Review 47(4):631.
  31. Johns, P.A., Z.C. Adcock, S.F. McCracken, and M.R.J. Forstner. 2016. Geographic distribution. Zavala County, Texas, USA. Hemidactylus turcicus. Herpetological Review 47(4):628-629.
  32. Whitworth, M.E., Z.C. Adcock, S.F. McCracken, and M.R.J. Forstner. 2016. Geographic distribution. Hill County, Texas, USA. Hemidactylus turcicus. Herpetological Review 47(4):628.
  33. Hudnall, A., A.R. MacLaren, S.F. McCracken, and M.R.J. Forstner. 2016. Geographic Distribution. Anolis carolinensis. Bell County, Texas, USA. Herpetological Review 47(1):80.
  34. Magno-Naoe, C.F., A.R. MacLaren, S.F. McCracken, and M.R.J. Forstner. 2015. Geographic Distribution. Eleutherodactlus cystignathoides (=Syrrhophus cystignathoides). Bell and Hays counties, Texas, USA. Herpetological Review 46(4):559.
  35. Adcock, Z.C., A.R. MacLaren, S.F. McCracken, and M.R.J. Forstner. 2015. Geographic distribution. Robertson County, Texas, USA. Sceloporus consobrinus. Herpetological Review 46(2):218.
  36. Curtis, M.E., Z.C. Adcock, R.J. Rylander, and T.R. Simpson. 2015. Geographic distribution. Guadalupe County, Texas, USA. Scaphiopus hurterii. Herpetological Review 46(2):214.
  37. MacLaren, A.R., Z.C. Adcock, S.F. McCracken, and M.R.J. Forstner. 2015. Geographic distribution. Robertson County, Texas, USA. Eleutherodactylus (=Syrrhophus) cystignathoides. Herpetological Review 46(2):211-212.
  38. Hickel, M.R., Z.C. Adcock, S.F. McCracken, and M.R.J. Forstner. 2015. Geographic distribution. Fort Bend County, Texas, USA. Eleutherodactylus (=Syrrhophus) cystignathoides. Herpetological Review 46(2):211.