Fredric Janzen, Ph.D. - Publications

Affiliations: 
Iowa State University, Ames, IA, United States 
Website:
http://www.public.iastate.edu/~fjanzen/

199 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2021 Delaney DM, Hoekstra LA, Janzen FJ. Age Predicts Risky Investment Better Than Residual Reproductive Value. The American Naturalist. 197: 461-472. PMID 33755533 DOI: 10.1086/713174  0.56
2020 Delaney DM, Hoekstra LA, Janzen FJ. Becoming creatures of habit: among- and within-individual variation in nesting behavior shifts with age. Journal of Evolutionary Biology. PMID 32897610 DOI: 10.1111/Jeb.13701  0.56
2020 Sethuraman A, Janzen FJ, Weisrock DW, Obrycki JJ. Insights from Population Genomics to Enhance and Sustain Biological Control of Insect Pests. Insects. 11. PMID 32708047 DOI: 10.3390/Insects11080462  0.96
2020 Warner DA, Mitchell TS, Bodensteiner BL, Janzen FJ. Sex and Incubation Temperature Independently Affect Embryonic Development and Offspring Size in a Turtle with Temperature-Dependent Sex Determination. Physiological and Biochemical Zoology : Pbz. 93: 62-74. PMID 31808735 DOI: 10.1086/706786  1
2019 Fanter CE, Lin Z, Keenan SW, Janzen FJ, Mitchell TS, Warren DE. Development-specific transcriptomic profiling suggests new mechanisms for anoxic survival in the ventricle of overwintering turtles. The Journal of Experimental Biology. PMID 31862849 DOI: 10.1242/Jeb.213918  1
2019 Reinke BA, Hoekstra L, Bronikowski AM, Janzen FJ, Miller D. Joint estimation of growth and survival from mark-recapture data to improve estimates of senescence in wild populations. Ecology. PMID 31471965 DOI: 10.1002/Ecy.2877  0.88
2019 Cordero GA, Stearns S, Quinteros K, Berns CM, Binz SM, Janzen F. The postembryonic transformation of the shell in emydine box turtles. Evolution & Development. e12307. PMID 31441599 DOI: 10.1111/Ede.12307  0.88
2019 Janzen FJ, Delaney DM, Mitchell TS, Warner DA. Do covariances between maternal behavior and embryonic physiology drive sex-ratio evolution under environmental sex determination? The Journal of Heredity. PMID 30982894 DOI: 10.1093/jhered/esz021  1
2019 Bodensteiner BL, Warner DA, Iverson JB, Milne-Zelman CL, Mitchell TS, Refsnider JM, Janzen FJ. Geographic variation in thermal sensitivity of early life traits in a widespread reptile. Ecology and Evolution. 9: 2791-2802. PMID 30891217 DOI: 10.1002/ece3.4956  1
2018 Hoekstra LA, Weber RC, Bronikowski AM, Janzen FJ. Sex-specific growth, shape, and their impacts on the life history of a long-lived vertebrate. Evolutionary Ecology Research. 19: 639-657. PMID 32944008  0.88
2018 Cordero GA, Quinteros K, Janzen FJ. Delayed trait development and the convergent evolution of shell kinesis in turtles. Proceedings. Biological Sciences. 285. PMID 30282655 DOI: 10.1098/Rspb.2018.1585  0.88
2018 McGlashan JK, Thompson MB, Janzen FJ, Spencer RJ. Environmentally induced phenotypic plasticity explains hatching synchrony in the freshwater turtle Chrysemys picta. Journal of Experimental Zoology. Part a, Ecological and Integrative Physiology. PMID 30192440 DOI: 10.1002/Jez.2217  1
2018 Cordero GA, Liu H, Wimalanathan K, Weber R, Quinteros K, Janzen FJ. Gene network variation and alternative paths to convergent evolution in turtles. Evolution & Development. PMID 30094964 DOI: 10.1111/Ede.12264  0.88
2018 Janzen FJ, Hoekstra LA, Brooks RJ, Carroll DM, Gibbons JW, Greene JL, Iverson JB, Litzgus JD, Michael ED, Parren SG, Roosenburg WM, Strain GF, Tucker JK, Ultsch GR. Altered spring phenology of North American freshwater turtles and the importance of representative populations. Ecology and Evolution. 8: 5815-5827. PMID 29938095 DOI: 10.1002/Ece3.4120  0.92
2018 Mitchell TS, Janzen FJ, Warner DA. Quantifying the effects of embryonic phenotypic plasticity on adult phenotypes in reptiles: A review of current knowledge and major gaps. Journal of Experimental Zoology. Part a, Ecological and Integrative Physiology. PMID 29869377 DOI: 10.1002/jez.2187  1
2017 Warner DA, Mitchell TS, Bodensteiner BL, Janzen FJ. The effect of hormone manipulations on sex ratios varies with environmental conditions in a turtle with temperature-dependent sex determination. Journal of Experimental Zoology. Part a, Ecological and Integrative Physiology. 327: 172-181. PMID 29356364 DOI: 10.1002/jez.2085  1
2017 Polich RL, Bodensteiner BL, Adams CIM, Janzen FJ. Effects of augmented corticosterone in painted turtle eggs on offspring development and behavior. Physiology & Behavior. PMID 29031544 DOI: 10.1016/j.physbeh.2017.10.004  1
2017 Telemeco RS, Gangloff EJ, Cordero GA, Polich RL, Bronikowski AM, Janzen FJ. Physiology at near-critical temperatures, but not critical limits, varies between two lizard species that partition the thermal environment. The Journal of Animal Ecology. PMID 28796906 DOI: 10.1111/1365-2656.12738  0.96
2017 Sethuraman A, Janzen FJ, Rubio MA, Vasquez Y, Obrycki JJ. Demographic histories of three predatory lady beetles reveal complex patterns of diversity and population size change in the United States. Insect Science. PMID 28503842 DOI: 10.1111/1744-7917.12481  0.68
2016 Santos RG, Pinheiro HT, Martins AS, Riul P, Bruno SC, Janzen FJ, Ioannou CC. The anti-predator role of within-nest emergence synchrony in sea turtle hatchlings. Proceedings. Biological Sciences / the Royal Society. 283. PMID 27383817 DOI: 10.1098/rspb.2016.0697  1
2016 Telemeco RS, Gangloff EJ, Cordero GA, Mitchell TS, Bodensteiner BL, Holden KG, Mitchell SM, Polich RL, Janzen FJ. Reptile Embryos Lack the Opportunity to Thermoregulate by Moving within the Egg. The American Naturalist. 188: E13-E27. PMID 27322129 DOI: 10.1086/686628  1
2016 Warner DA, Miller DA, Bronikowski AM, Janzen FJ. Decades of field data reveal that turtles senesce in the wild. Proceedings of the National Academy of Sciences of the United States of America. PMID 27140634 DOI: 10.1073/Pnas.1600035113  1
2016 Schwanz L, Cordero GA, Charnov EL, Janzen FJ. SEX-SPECIFIC SURVIVAL TO MATURITY AND THE EVOLUTION OF ENVIRONMENTAL SEX DETERMINATION. Evolution; International Journal of Organic Evolution. PMID 26767911 DOI: 10.1111/Evo.12856  0.88
2016 Voves KC, Mitchell TS, Janzen FJ. Does natural visual camouflage reduce turtle nest predation? American Midland Naturalist. 176: 166-172. DOI: 10.1674/0003-0031-176.1.166  1
2015 Refsnider JM, Janzen FJ. Temperature-Dependent Sex Determination under Rapid Anthropogenic Environmental Change: Evolution at a Turtle's Pace? The Journal of Heredity. PMID 26245920 DOI: 10.1093/jhered/esv053  1
2015 McGaugh SE, Bronikowski AM, Kuo CH, Reding DM, Addis EA, Flagel LE, Janzen FJ, Schwartz TS. Rapid molecular evolution across amniotes of the IIS/TOR network. Proceedings of the National Academy of Sciences of the United States of America. 112: 7055-60. PMID 25991861 DOI: 10.1073/Pnas.1419659112  1
2015 Refsnider JM, Reedy AM, Warner DA, Janzen FJ. Do trade-offs between predation pressures on females versus nests drive nest-site choice in painted turtles? Biological Journal of the Linnean Society. 116: 847-855. DOI: 10.1111/Bij.12671  1
2015 Bodensteiner BL, Mitchell TS, Strickland JT, Janzen FJ. Hydric conditions during incubation influence phenotypes of neonatal reptiles in the field Functional Ecology. 29: 710-717. DOI: 10.1111/1365-2435.12382  1
2015 Mitchell TS, Maciel JA, Janzen FJ. Maternal effects influence phenotypes and survival during early life stages in an aquatic turtle Functional Ecology. 29: 268-276. DOI: 10.1111/1365-2435.12315  1
2015 Sethuraman A, Janzen FJ, Obrycki J. Population genetics of the predatory lady beetle Hippodamia convergens Biological Control. 84: 1-10. DOI: 10.1016/J.Biocontrol.2015.01.002  1
2014 Spencer RJ, Janzen FJ. A novel hypothesis for the adaptive maintenance of environmental sex determination in a turtle. Proceedings. Biological Sciences / the Royal Society. 281: 20140831. PMID 25009063 DOI: 10.1098/Rspb.2014.0831  1
2014 Warner DA, Addis E, Du WG, Wibbels T, Janzen FJ. Exogenous application of estradiol to eggs unexpectedly induces male development in two turtle species with temperature-dependent sex determination. General and Comparative Endocrinology. 206: 16-23. PMID 24954686 DOI: 10.1016/J.Ygcen.2014.06.008  1
2014 Jergenson AM, Miller DA, Neuman-Lee LA, Warner DA, Janzen FJ. Swimming against the tide: resilience of a riverine turtle to recurrent extreme environmental events. Biology Letters. 10: 20130782. PMID 24621555 DOI: 10.1098/rsbl.2013.0782  1
2014 A Cordero G, Janzen FJ. An enhanced developmental staging table for the painted turtle, Chrysemys picta (Testudines: Emydidae). Journal of Morphology. 275: 442-55. PMID 24301536 DOI: 10.1002/Jmor.20226  1
2014 Refsnider JM, Milne-Zelman C, Warner DA, Janzen FJ. Population sex ratios under differing local climates in a reptile with environmental sex determination Evolutionary Ecology. 28: 977-989. DOI: 10.1007/s10682-014-9710-2  1
2014 Refsnider JM, Milne-Zelman C, Warner DA, Janzen FJ. Population sex ratios under differing local climates in a reptile with environmental sex determination Evolutionary Ecology. 28: 977-989. DOI: 10.1007/s10682-014-9710-2  1
2014 Sethuraman A, McGaugh SE, Becker ML, Chandler CH, Christiansen JL, Hayden S, LeClere A, Monson-Miller J, Myers EM, Paitz RT, Refsnider JM, VanDeWalle TJ, Janzen FJ. Population genetics of Blanding's turtle (Emys blandingii) in the midwestern United States Conservation Genetics. 15: 61-73. DOI: 10.1007/S10592-013-0521-8  1
2014 Sethuraman A, McGaugh SE, Becker ML, Chandler CH, Christiansen JL, Hayden S, LeClere A, Monson-Miller J, Myers EM, Paitz RT, Refsnider JM, VanDeWalle TJ, Janzen FJ. Population genetics of Blanding's turtle (Emys blandingii) in the midwestern United States Conservation Genetics. 15: 61-73. DOI: 10.1007/S10592-013-0521-8  1
2013 Mitchell TS, Maciel JA, Janzen FJ. Does sex-ratio selection influence nest-site choice in a reptile with temperature-dependent sex determination? Proceedings. Biological Sciences / the Royal Society. 280: 20132460. PMID 24266033  1
2013 Telemeco RS, Warner DA, Reida MK, Janzen FJ. Extreme developmental temperatures result in morphological abnormalities in painted turtles (Chrysemys picta): a climate change perspective. Integrative Zoology. 8: 197-208. PMID 23731815 DOI: 10.1111/1749-4877.12019  1
2013 Mitchell TS, Warner DA, Janzen FJ. Phenotypic and fitness consequences of maternal nest-site choice across multiple early life stages. Ecology. 94: 336-45. PMID 23691653 DOI: 10.1890/12-0343.1  1
2013 Telemeco RS, Abbott KC, Janzen FJ. Modeling the effects of climate change-induced shifts in reproductive phenology on temperature-dependent traits. The American Naturalist. 181: 637-48. PMID 23594547 DOI: 10.1086/670051  1
2013 Shaffer HB, Minx P, Warren DE, Shedlock AM, Thomson RC, Valenzuela N, Abramyan J, Amemiya CT, Badenhorst D, Biggar KK, Borchert GM, Botka CW, Bowden RM, Braun EL, Bronikowski AM, ... ... Janzen FJ, et al. The western painted turtle genome, a model for the evolution of extreme physiological adaptations in a slowly evolving lineage. Genome Biology. 14: R28. PMID 23537068 DOI: 10.1186/Gb-2013-14-3-R28  1
2013 Refsnider JM, Bodensteiner BL, Reneker JL, Janzen FJ. Experimental field studies of species' responses to climate change: Challenges and future directions Animal Conservation. 16: 498-499. DOI: 10.1111/acv.12084  1
2013 Refsnider JM, Bodensteiner BL, Reneker JL, Janzen FJ. Experimental field studies of species' responses to climate change: Challenges and future directions Animal Conservation. 16: 498-499. DOI: 10.1111/acv.12084  1
2013 Refsnider JM, Bodensteiner BL, Reneker JL, Janzen FJ. Nest depth may not compensate for sex ratio skews caused by climate change in turtles Animal Conservation. 16: 481-490. DOI: 10.1111/acv.12034  1
2013 Refsnider JM, Bodensteiner BL, Reneker JL, Janzen FJ. Nest depth may not compensate for sex ratio skews caused by climate change in turtles Animal Conservation. 16: 481-490. DOI: 10.1111/acv.12034  1
2013 Mitchell TS, Maciel JA, Janzen FJ. Does sex-ratio selection influence nest-site choice in a reptile with temperaturedependent sex determination? Proceedings of the Royal Society B: Biological Sciences. 280. DOI: 10.1098/rspb.2013.2460  1
2013 Mitchell TS, Maciel JA, Janzen FJ. Does sex-ratio selection influence nest-site choice in a reptile with temperaturedependent sex determination? Proceedings of the Royal Society B: Biological Sciences. 280. DOI: 10.1098/rspb.2013.2460  1
2013 Refsnider JM, Warner DA, Janzen FJ. Does shade cover availability limit nest-site choice in two populations of a turtle with temperature-dependent sex determination? Journal of Thermal Biology. 38: 152-158. DOI: 10.1016/j.jtherbio.2013.01.003  1
2013 Refsnider JM, Warner DA, Janzen FJ. Does shade cover availability limit nest-site choice in two populations of a turtle with temperature-dependent sex determination? Journal of Thermal Biology. 38: 152-158. DOI: 10.1016/j.jtherbio.2013.01.003  1
2012 Wheelwright NT, Sinclair JP, Hochwender C, Janzen FJ. Leaf size in three generations of a dioecious tropical tree, Ocotea tenera (Lauraceae): Sexual dimorphism and changes with age. American Journal of Botany. 99: 1350-5. PMID 22847542 DOI: 10.3732/Ajb.1200182  1
2012 Chandler CH, Chadderdon GE, Phillips PC, Dworkin I, Janzen FJ. Experimental evolution of the Caenorhabditis elegans sex determination pathway. Evolution; International Journal of Organic Evolution. 66: 82-93. PMID 22220866 DOI: 10.1111/J.1558-5646.2011.01420.X  1
2012 Refsnider JM, Strickland J, Janzen FJ. Home range and site fidelity of imperiled ornate box turtles (Terrapene ornata) in Northwestern Illinois Chelonian Conservation and Biology. 11: 78-83. DOI: 10.2744/Ccb-0919.1  1
2012 Refsnider JM, Strickland J, Janzen FJ. Home range and site fidelity of imperiled ornate box turtles (Terrapene ornata) in Northwestern Illinois Chelonian Conservation and Biology. 11: 78-83. DOI: 10.2744/CCB-0919.1  1
2012 Refsnider JM, Janzen FJ. Behavioural plasticity may compensate for climate change in a long-lived reptile with temperature-dependent sex determination Biological Conservation. 152: 90-95. DOI: 10.1016/j.biocon.2012.03.019  1
2012 Refsnider JM, Janzen FJ. Behavioural plasticity may compensate for climate change in a long-lived reptile with temperature-dependent sex determination Biological Conservation. 152: 90-95. DOI: 10.1016/j.biocon.2012.03.019  1
2012 Steen DA, Gibbs JP, Buhlmann KA, Carr JL, Compton BW, Congdon JD, Doody JS, Godwin JC, Holcomb KL, Jackson DR, Janzen FJ, Johnson G, Jones MT, Lamer JT, Langen TA, et al. Terrestrial habitat requirements of nesting freshwater turtles Biological Conservation. 150: 121-128. DOI: 10.1016/J.Biocon.2012.03.012  1
2012 Steen DA, Gibbs JP, Buhlmann KA, Carr JL, Compton BW, Congdon JD, Doody JS, Godwin JC, Holcomb KL, Jackson DR, Janzen FJ, Johnson G, Jones MT, Lamer JT, Langen TA, et al. Terrestrial habitat requirements of nesting freshwater turtles Biological Conservation. 150: 121-128. DOI: 10.1016/j.biocon.2012.03.012  0.92
2011 Spencer RJ, Janzen FJ. Hatching behavior in turtles. Integrative and Comparative Biology. 51: 100-10. PMID 21659391 DOI: 10.1093/Icb/Icr045  1
2011 Bowden RM, Paitz RT, Janzen FJ. The ontogeny of postmaturation resource allocation in turtles. Physiological and Biochemical Zoology : Pbz. 84: 204-11. PMID 21460531 DOI: 10.1086/658292  1
2011 McGaugh SE, Janzen FJ. Effective heritability of targets of sex-ratio selection under environmental sex determination. Journal of Evolutionary Biology. 24: 784-94. PMID 21261771 DOI: 10.1111/j.1420-9101.2010.02211.x  1
2011 Neuman-Lee LA, McGaugh SE, Pfrender M, Janzen FJ. Using mitochondrial DNA to determine the identity and origin of a gartersnake found in Alaska Journal of Herpetology. 45: 63-65. DOI: 10.1670/09-180.1  1
2011 Neuman-Lee LA, McGaugh SE, Pfrender M, Janzen FJ. Using mitochondrial DNA to determine the identity and origin of a gartersnake found in Alaska Journal of Herpetology. 45: 63-65. DOI: 10.1670/09-180.1  1
2011 Neuman-Lee LA, Janzen FJ. Atrazine exposure impacts behavior and survivorship of neonatal turtles Herpetologica. 67: 23-31. DOI: 10.1655/HERPETOLOGICA-D-09-0003.1  1
2011 Neuman-Lee LA, Janzen FJ. Atrazine exposure impacts behavior and survivorship of neonatal turtles Herpetologica. 67: 23-31. DOI: 10.1655/HERPETOLOGICA-D-09-0003.1  1
2011 Refsnider JM, Mitchell TS, Streby HM, Strickland JT, Warner DA, Janzen FJ. A generalized method to determine detectability of rare and cryptic species using the ornate box turtle as a model Wildlife Society Bulletin. 35: 93-100. DOI: 10.1002/wsb.14  1
2011 Refsnider JM, Mitchell TS, Streby HM, Strickland JT, Warner DA, Janzen FJ. A generalized method to determine detectability of rare and cryptic species using the ornate box turtle as a model Wildlife Society Bulletin. 35: 93-100. DOI: 10.1002/wsb.14  1
2011 McGaugh SE, Bowden RM, Kuo CH, Janzen FJ. Field-measured heritability of the threshold for sex determination in a turtle with temperature-dependent sex determination Evolutionary Ecology Research. 13: 75-90.  1
2011 McGaugh SE, Bowden RM, Kuo CH, Janzen FJ. Field-measured heritability of the threshold for sex determination in a turtle with temperature-dependent sex determination Evolutionary Ecology Research. 13: 75-90.  1
2010 Schwanz LE, Spencer RJ, Bowden RM, Janzen FJ. Climate and predation dominate juvenile and adult recruitment in a turtle with temperature-dependent sex determination. Ecology. 91: 3016-26. PMID 21058561 DOI: 10.1890/09-1149.1  1
2010 Mitchell NJ, Janzen FJ. Temperature-dependent sex determination and contemporary climate change. Sexual Development : Genetics, Molecular Biology, Evolution, Endocrinology, Embryology, and Pathology of Sex Determination and Differentiation. 4: 129-40. PMID 20145383 DOI: 10.1159/000282494  1
2010 McGaugh SE, Schwanz LE, Bowden RM, Gonzalez JE, Janzen FJ. Inheritance of nesting behaviour across natural environmental variation in a turtle with temperature-dependent sex determination. Proceedings. Biological Sciences / the Royal Society. 277: 1219-26. PMID 20018783 DOI: 10.1098/Rspb.2009.1883  1
2010 Schwanz LE, Janzen FJ, Proulx SR. Sex allocation based on relative and absolute condition. Evolution; International Journal of Organic Evolution. 64: 1331-45. PMID 20002168 DOI: 10.1111/J.1558-5646.2009.00916.X  1
2010 Strickland JT, Janzen FJ. Impacts of anthropogenic structures on predation of painted turtle (Chrysemys picta) nests Chelonian Conservation and Biology. 9: 131-135. DOI: 10.2744/CCB-0795.1  1
2010 Strickland JT, Janzen FJ. Impacts of anthropogenic structures on predation of painted turtle (Chrysemys picta) nests Chelonian Conservation and Biology. 9: 131-135. DOI: 10.2744/CCB-0795.1  1
2010 Strickland J, Colbert P, Janzen FJ. Experimental analysis of effects of markers and habitat structure on predation of turtle nests Journal of Herpetology. 44: 467-470. DOI: 10.1670/08-323.1  1
2010 Strickland J, Colbert P, Janzen FJ. Experimental analysis of effects of markers and habitat structure on predation of turtle nests Journal of Herpetology. 44: 467-470. DOI: 10.1670/08-323.1  1
2010 Refsnider JM, Janzen FJ. Putting eggs in one basket: Ecological and evolutionary hypotheses for variation in oviposition-site choice Annual Review of Ecology, Evolution, and Systematics. 41: 39-57. DOI: 10.1146/annurev-ecolsys-102209-144712  1
2010 Refsnider JM, Janzen FJ. Putting eggs in one basket: Ecological and evolutionary hypotheses for variation in oviposition-site choice Annual Review of Ecology, Evolution, and Systematics. 41: 39-57. DOI: 10.1146/annurev-ecolsys-102209-144712  1
2010 Warner DA, Jorgensen CF, Janzen FJ. Maternal and abiotic effects on egg mortality and hatchling size of turtles: Temporal variation in selection over seven years Functional Ecology. 24: 857-866. DOI: 10.1111/j.1365-2435.2010.01714.x  1
2010 Warner DA, Jorgensen CF, Janzen FJ. Maternal and abiotic effects on egg mortality and hatchling size of turtles: Temporal variation in selection over seven years Functional Ecology. 24: 857-866. DOI: 10.1111/j.1365-2435.2010.01714.x  1
2010 Colbert PL, Spencer RJ, Janzen FJ. Mechanism and cost of synchronous hatching Functional Ecology. 24: 112-121. DOI: 10.1111/J.1365-2435.2009.01602.X  1
2010 Colbert PL, Spencer RJ, Janzen FJ. Mechanism and cost of synchronous hatching Functional Ecology. 24: 112-121. DOI: 10.1111/j.1365-2435.2009.01602.x  1
2010 Spencer RJ, Janzen FJ. Demographic consequences of adaptive growth and the ramifications for conservation of long-lived organisms Biological Conservation. 143: 1951-1959. DOI: 10.1016/J.Biocon.2010.04.034  1
2010 Spencer RJ, Janzen FJ. Demographic consequences of adaptive growth and the ramifications for conservation of long-lived organisms Biological Conservation. 143: 1951-1959. DOI: 10.1016/j.biocon.2010.04.034  1
2009 Janzen FJ, Warner DA. Parent-offspring conflict and selection on egg size in turtles. Journal of Evolutionary Biology. 22: 2222-30. PMID 19796084 DOI: 10.1111/j.1420-9101.2009.01838.x  1
2009 Chandler CH, Phillips PC, Janzen FJ. The evolution of sex-determining mechanisms: lessons from temperature-sensitive mutations in sex determination genes in Caenorhabditis elegans. Journal of Evolutionary Biology. 22: 192-200. PMID 19120819 DOI: 10.1111/J.1420-9101.2008.01639.X  1
2009 Schwanz LE, Bowden RM, Spencer RJ, Janzen FJ. Nesting ecology and offspring recruitment in a long-lived turtle: Ecological Archives E090-119 Ecology. 90: 1709. DOI: 10.1890/08-1676.1  1
2009 Schwanz LE, Bowden RM, Spencer RJ, Janzen FJ. Nesting ecology and offspring recruitment in a long-lived turtle: Ecological Archives E090-119 Ecology. 90: 1709. DOI: 10.1890/08-1676.1  1
2009 Chandler CH, Janzen FJ. The phylogenetic position of the snapping turtles (Chelydridae) based on nucleotide sequence data Copeia. 209-213. DOI: 10.1643/CH-07-206  1
2009 Chandler CH, Janzen FJ. The phylogenetic position of the snapping turtles (Chelydridae) based on nucleotide sequence data Copeia. 209-213. DOI: 10.1643/CH-07-206  1
2008 Schwanz LE, Janzen FJ. Climate change and temperature-dependent sex determination: can individual plasticity in nesting phenology prevent extreme sex ratios? Physiological and Biochemical Zoology : Pbz. 81: 826-34. PMID 18831689 DOI: 10.1086/590220  1
2008 Huey RB, Janzen FJ. Climate warming and environmental sex determination in tuatara: the last of the Sphenodontians? Proceedings. Biological Sciences / the Royal Society. 275: 2181-3. PMID 18595838 DOI: 10.1098/rspb.2008.0555  1
2008 McGaugh SE, Janzen FJ. The status of Apalone atra populations in Cuatro Ciénegas, Coahuila, México: Preliminary data Chelonian Conservation and Biology. 7: 88-95. DOI: 10.2744/CCB-0651.1  1
2008 McGaugh SE, Janzen FJ. The status of Apalone atra populations in Cuatro Ciénegas, Coahuila, México: Preliminary data Chelonian Conservation and Biology. 7: 88-95. DOI: 10.2744/CCB-0651.1  0.96
2008 Bowen KD, Janzen FJ. Human recreation and the nesting ecology of a freshwater turtle (Chrysemys picta) Chelonian Conservation and Biology. 7: 95-100. DOI: 10.2744/CCB-0650.1  1
2008 Bowen KD, Janzen FJ. Human recreation and the nesting ecology of a freshwater turtle (Chrysemys picta) Chelonian Conservation and Biology. 7: 95-100. DOI: 10.2744/CCB-0650.1  0.72
2008 McGaugh SE, Eckerman CM, Janzen FJ. Molecular phylogeography of Apalone spinifera (Reptilia, Trionychidae) Zoologica Scripta. 37: 289-304. DOI: 10.1111/j.1463-6409.2008.00329.x  1
2008 McGaugh SE, Eckerman CM, Janzen FJ. Molecular phylogeography of Apalone spinifera (Reptilia, Trionychidae) Zoologica Scripta. 37: 289-304. DOI: 10.1111/j.1463-6409.2008.00329.x  0.96
2008 Tucker JK, Paukstis GL, Janzen FJ. Does predator swamping promote synchronous emergence of turtle hatchlings among nests? Behavioral Ecology. 19: 35-40. DOI: 10.1093/beheco/arm097  1
2008 Tucker JK, Paukstis GL, Janzen FJ. Does predator swamping promote synchronous emergence of turtle hatchlings among nests? Behavioral Ecology. 19: 35-40. DOI: 10.1093/beheco/arm097  0.92
2007 St Juliana JR, Janzen FJ. Can natural phenotypic variances be estimated reliably under homogeneous laboratory conditions? Journal of Evolutionary Biology. 20: 1406-14. PMID 17584235 DOI: 10.1111/j.1420-9101.2007.01343.x  1
2007 Paitz RT, Harms HK, Bowden RM, Janzen FJ. Experience pays: offspring survival increases with female age. Biology Letters. 3: 44-6. PMID 17443962 DOI: 10.1098/rsbl.2006.0573  1
2007 Janzen FJ, Tucker JK, Paukstis GL. Experimental analysis of an early life-history stage: Direct or indirect selection on body size of hatchling turtles? Functional Ecology. 21: 162-170. DOI: 10.1111/j.1365-2435.2006.01220.x  1
2007 Janzen FJ, Tucker JK, Paukstis GL. Experimental analysis of an early life-history stage: Direct or indirect selection on body size of hatchling turtles? Functional Ecology. 21: 162-170. DOI: 10.1111/j.1365-2435.2006.01220.x  0.92
2006 Spencer RJ, Janzen FJ, Thompson MB. Counterintuitive density-dependent growth in a long-lived vertebrate after removal of nest predators. Ecology. 87: 3109-18. PMID 17249235 DOI: 10.1890/0012-9658(2006)87[3109:Cdgial]2.0.Co;2  1
2006 Janzen FJ, Phillips PC. Exploring the evolution of environmental sex determination, especially in reptiles. Journal of Evolutionary Biology. 19: 1775-84. PMID 17040374 DOI: 10.1111/J.1420-9101.2006.01138.X  1
2006 Myers EM, Janzen FJ, Adams DC, Tucker JK. Quantitative genetics of plastron shape in slider turtles (Trachemys scripta). Evolution; International Journal of Organic Evolution. 60: 563-72. PMID 16637501 DOI: 10.1111/J.0014-3820.2006.Tb01137.X  1
2006 Mullins MA, Janzen FJ. Phenotypic effects of thermal means and variances on smooth softshell turtle (Apalone mutica) embryos and hatchlings Herpetologica. 62: 27-36. DOI: 10.1655/04-02.1  1
2006 Mullins MA, Janzen FJ. Phenotypic effects of thermal means and variances on smooth softshell turtle (Apalone mutica) embryos and hatchlings Herpetologica. 62: 27-36. DOI: 10.1655/04-02.1  0.8
2005 Harms HK, Paitz RT, Bowden RM, Janzen FJ. Age and season impact resource allocation to eggs and nesting behavior in the painted turtle. Physiological and Biochemical Zoology : Pbz. 78: 996-1004. PMID 16228938 DOI: 10.1086/432920  1
2005 Krenz JG, Naylor GJ, Shaffer HB, Janzen FJ. Molecular phylogenetics and evolution of turtles. Molecular Phylogenetics and Evolution. 37: 178-91. PMID 15964217 DOI: 10.1016/J.Ympev.2005.04.027  1
2005 Bowen KD, Janzen FJ. Rainfall and depredation of nests of the painted turtle, Chrysemys picta Journal of Herpetology. 39: 649-652. DOI: 10.1670/34-05N.1  1
2005 Bowen KD, Janzen FJ. Rainfall and depredation of nests of the painted turtle, Chrysemys picta Journal of Herpetology. 39: 649-652. DOI: 10.1670/34-05N.1  0.72
2005 Willette DAS, Tucker JK, Janzen FJ. Linking climate and physiology at the population level for a key life-history stage of turtles Canadian Journal of Zoology. 83: 845-850. DOI: 10.1139/Z05-078  1
2005 Willette DAS, Tucker JK, Janzen FJ. Linking climate and physiology at the population level for a key life-history stage of turtles Canadian Journal of Zoology. 83: 845-850. DOI: 10.1139/Z05-078  0.92
2005 Bowen KD, Spencer RJ, Janzen FJ. A comparative study of environmental factors that affect nesting in Australian and North American freshwater turtles Journal of Zoology. 267: 397-404. DOI: 10.1017/S0952836905007533  1
2005 Bowen KD, Spencer RJ, Janzen FJ. A comparative study of environmental factors that affect nesting in Australian and North American freshwater turtles Journal of Zoology. 267: 397-404. DOI: 10.1017/S0952836905007533  1
2005 Bargatzky B, Janzen F. Photo-optical tire recognition as a contribution to just-in-sequence deliveries at Opel Thyssenkrupp Techforum. 96-99.  0.01
2004 Janzen FJ. Molecular conservation genetics and adaptation Frontiers in Ecology and the Environment. 2: 234. DOI: 10.2307/3868261  1
2004 Bowden RM, Harms HK, Paitz RT, Janzen FJ. Does optimal egg size vary with demographic stage because of a physiological constraint? Functional Ecology. 18: 522-529. DOI: 10.1111/j.0269-8463.2004.00861.x  1
2004 Bowden RM, Harms HK, Paitz RT, Janzen FJ. Does optimal egg size vary with demographic stage because of a physiological constraint? Functional Ecology. 18: 522-529. DOI: 10.1111/j.0269-8463.2004.00861.x  1
2004 Kuo CH, Janzen FJ. Genetic effects of a persistent bottleneck on a natural population of ornate box turtles (Terrapene ornata) Conservation Genetics. 5: 425-437. DOI: 10.1023/B:Coge.0000041020.54140.45  1
2004 Kuo CH, Janzen FJ. Genetic effects of a persistent bottleneck on a natural population of ornate box turtles (Terrapene ornata) Conservation Genetics. 5: 425-437. DOI: 10.1023/B:COGE.0000041020.54140.45  0.96
2004 Bowen KD, Colbert PL, Janzen FJ. Survival and recruitment in a human-impacted population of ornate box turtles, Terrapene ornata, with recommendations for conservation and management Journal of Herpetology. 38: 562-568.  1
2004 Bowen KD, Colbert PL, Janzen FJ. Survival and recruitment in a human-impacted population of ornate box turtles, Terrapene ornata, with recommendations for conservation and management Journal of Herpetology. 38: 562-568.  1
2004 Juliana JRS, Bowden RM, Janzen FJ. The impact of behavioral and physiological maternal effects on offspring sex ratio in the common snapping turtle, Chelydra serpentina Behavioral Ecology and Sociobiology. 56: 270-278.  1
2004 Juliana JRS, Bowden RM, Janzen FJ. The impact of behavioral and physiological maternal effects on offspring sex ratio in the common snapping turtle, Chelydra serpentina Behavioral Ecology and Sociobiology. 56: 270-278.  1
2003 Valenzuela N, Adams DC, Janzen FJ. Pattern does not equal process: exactly when is sex environmentally determined? The American Naturalist. 161: 676-83. PMID 12776892 DOI: 10.1086/368292  1
2003 Ashmore GM, Janzen FJ. Phenotypic variation in smooth softshell turtles (Apalone mutica) from eggs incubated in constant versus fluctuating temperatures. Oecologia. 134: 182-8. PMID 12647158 DOI: 10.1007/s00442-002-1109-z  1
2003 Starkey DE, Shaffer HB, Burke RL, Forstner MR, Iverson JB, Janzen FJ, Rhodin AG, Ultsch GR. Molecular systematics, phylogeography, and the effects of Pleistocene glaciation in the painted turtle (Chrysemys picta) complex. Evolution; International Journal of Organic Evolution. 57: 119-28. PMID 12643572 DOI: 10.1111/J.0014-3820.2003.Tb00220.X  1
2003 Kuo CH, Janzen FJ. BOTTLESIM: A bottleneck simulation program for long-lived species with overlapping generations Molecular Ecology Notes. 3: 669-673. DOI: 10.1046/j.1471-8286.2003.00532.x  1
2003 Kuo CH, Janzen FJ. BOTTLESIM: A bottleneck simulation program for long-lived species with overlapping generations Molecular Ecology Notes. 3: 669-673. DOI: 10.1046/j.1471-8286.2003.00532.x  0.96
2003 Morjan CL, Janzen FJ. Nest temperature is not related to egg size in a turtle with temperature-dependent sex determination Copeia. 366-372.  1
2003 Morjan CL, Janzen FJ. Nest temperature is not related to egg size in a turtle with temperature-dependent sex determination Copeia. 366-372.  1
2002 Janzen FJ, Krenz JG, Haselkorn TS, Brodie ED, Brodie ED. Molecular phylogeography of common garter snakes (Thamnophis sirtalis) in western North America: implications for regional historical forces. Molecular Ecology. 11: 1739-51. PMID 12207724 DOI: 10.1046/J.1365-294X.2002.01571.X  1
2002 Janzen FJ, Wilson ME, Tucker JK, Ford SP. Experimental manipulation of steroid concentrations in circulation and in egg yolks of turtles. The Journal of Experimental Zoology. 293: 58-66. PMID 12115919 DOI: 10.1002/jez.10092  1
2002 Kolbe JJ, Janzen FJ. Impact of nest-site selection on nest success and nest temperature in natural and disturbed habitats Ecology. 83: 269-281. DOI: 10.1890/0012-9658(2002)083[0269:Ionsso]2.0.Co;2  1
2002 Kolbe JJ, Janzen FJ. Experimental analysis of an early life-history stage: Water loss and migrating hatchting turtles Copeia. 220-226. DOI: 10.1643/0045-8511(2002)002[0220:Eaoael]2.0.Co;2  1
2002 Kolbe JJ, Janzen FJ. Spatial and temporal dynamics of turtle nest predation: Edge effects Oikos. 99: 538-544. DOI: 10.1034/J.1600-0706.2002.11853.X  1
2002 Kolbe JJ, Janzen FJ. Spatial and temporal dynamics of turtle nest predation: Edge effects Oikos. 99: 538-544. DOI: 10.1034/j.1600-0706.2002.11853.x  1
2002 Pearse DE, Janzen FJ, Avise JC. Multiple paternity, sperm storage, and reproductive success of female and male painted turtles (Chrysemys picta) in nature Behavioral Ecology and Sociobiology. 51: 164-171. DOI: 10.1007/S00265-001-0421-7  1
2002 Pearse DE, Janzen FJ, Avise JC. Multiple paternity, sperm storage, and reproductive success of female and male painted turtles (Chrysemys picta) in nature Behavioral Ecology and Sociobiology. 51: 164-171. DOI: 10.1007/s00265-001-0421-7  0.8
2002 Kolbe JJ, Janzen FJ. Experimental analysis of an early life-history stage: Water loss and migrating hatchting turtles Copeia. 220-226.  1
2002 Kolbe JJ, Janzen FJ. Impact of nest-site selection on nest success and nest temperature in natural and disturbed habitats Ecology. 83: 269-281.  1
2002 Janzen FJ, Morjan CL. Egg size, incubation temperature, and posthatching growth in painted turtles (Chrysemys picta) Journal of Herpetology. 36: 308-311.  1
2002 Packard GC, Packard MJ, Morjan CL, Janzen FJ. Cold-tolerance of hatchling painted turtles (Chrysemys picta bellii) from the southern limit of distribution Journal of Herpetology. 36: 300-304.  1
2002 Filoramo NI, Janzen FJ. An experimental study of the influence of embryonic water availability, body size, and clutch on survivorship of neonatal red-eared sliders, trachemys scripta elegans Herpetologica. 58: 67-74.  1
2001 Pearse DE, Eckerman CM, Janzen FJ, Avise JC. A genetic analogue of 'mark-recapture' methods for estimating population size: an approach based on molecular parentage assessments. Molecular Ecology. 10: 2711-8. PMID 11883884 DOI: 10.1046/J.0962-1083.2001.01391.X  1
2001 Pearse DE, Janzen FJ, Avise JC. Genetic markers substantiate long-term storage and utilization of sperm by female painted turtles. Heredity. 86: 378-84. PMID 11488975 DOI: 10.1046/J.1365-2540.2001.00841.X  1
2001 Kolbe JJ, Janzen FJ. The influence of propagule size and maternal nest-site selection on survival and behaviour of neonate turtles Functional Ecology. 15: 772-781. DOI: 10.1046/J.0269-8463.2001.00587.X  1
2001 Kolbe JJ, Janzen FJ. The influence of propagule size and maternal nest-site selection on survival and behaviour of neonate turtles Functional Ecology. 15: 772-781. DOI: 10.1046/j.0269-8463.2001.00587.x  1
2001 Janzen FJ, Morjan CL. Repeatability of microenvironment-specific nesting behaviour in a turtle with environmental sex determination Animal Behaviour. 62: 73-82. DOI: 10.1006/anbe.2000.1732  1
2001 Janzen FJ, Morjan CL. Repeatability of microenvironment-specific nesting behaviour in a turtle with environmental sex determination Animal Behaviour. 62: 73-82. DOI: 10.1006/anbe.2000.1732  1
2001 Janzen F, Sigesmund M. Die neue ISO 9001:2000 Sicherheit als Prozess Vdi Berichte. 1-14.  0.01
2001 Valenzuela N, Janzen FJ. Nest-site philopatry and the evolution of temperature-dependent sex determination Evolutionary Ecology Research. 3: 779-794.  1
2001 Valenzuela N, Janzen FJ. Nest-site philopatry and the evolution of temperature-dependent sex determination Evolutionary Ecology Research. 3: 779-794.  1
2000 Weisrock DW, Janzen FJ. Comparative molecular phylogeography of North American softshell turtles (Apalone): implications for regional and wide-scale historical evolutionary forces. Molecular Phylogenetics and Evolution. 14: 152-64. PMID 10631049 DOI: 10.1006/Mpev.1999.0689  1
2000 Janzen FJ, Tucker JK, Paukstis GL. Experimental analysis of an early life-history stage: Avian predation selects for larger body size of hatchling turtles Journal of Evolutionary Biology. 13: 947-954. DOI: 10.1046/j.1420-9101.2000.00234.x  1
2000 Janzen FJ, Tucker JK, Paukstis GL. Experimental analysis of an early life-history stage: Avian predation selects for larger body size of hatchling turtles Journal of Evolutionary Biology. 13: 947-954. DOI: 10.1046/j.1420-9101.2000.00234.x  0.92
2000 Janzen FJ, Tucker JK, Paukstis GL. Experimental analysis of an early life-history stage: Selection on size of hatchling turtles Ecology. 81: 2290-2304.  1
2000 Janzen FJ, Tucker JK, Paukstis GL. Experimental analysis of an early life-history stage: Selection on size of hatchling turtles Ecology. 81: 2290-2304.  0.92
1999 O'Steen S, Janzen FJ. Embryonic temperature affects metabolic compensation and thyroid hormones in hatchling snapping turtles. Physiological and Biochemical Zoology : Pbz. 72: 520-33. PMID 10521320 DOI: 10.1086/316690  1
1999 Reed WL, Janzen FJ. Natural selection by avian predators on size and colour of a freshwater snail (Pomacea flagellata) Biological Journal of the Linnean Society. 67: 331-342. DOI: 10.1111/J.1095-8312.1999.Tb01937.X  1
1999 Weisrock DW, Janzen FJ. Thermal and fitness-related consequences of nest location in Painted Turtles (Chrysemys picta) Functional Ecology. 13: 94-101. DOI: 10.1046/J.1365-2435.1999.00288.X  1
1999 Paukstis GL, Tucker JK, Bronikowski AM, Janzen FJ. Survivorship of aerially-exposed zebra mussels (Dreissena polymorpha) under laboratory conditions Journal of Freshwater Ecology. 14: 511-517.  1
1999 Filoramo NI, Janzen FJ. Effects of hydric conditions during incubation on overwintering hatchlings of the red-eared slider turtle (Trachemys scripta elegans) Journal of Herpetology. 33: 29-35.  1
1999 Tucker JK, Filoramo NI, Janzen FJ. Notes and discussion: Size-biased mortality due to predation in a nesting freshwater turtle, Trachemys scripta American Midland Naturalist. 141: 198-203.  1
1998 Janzen FJ, Wilson ME, Tucker JK, Ford SP. Endogenous yolk steroid hormones in turtles with different sex-determining mechanisms. General and Comparative Endocrinology. 111: 306-17. PMID 9707477 DOI: 10.1006/gcen.1998.7115  1
1998 Tucker JK, Paukstis GL, Janzen FJ. Annual and local variation in reproduction in the red-eared slider, Trachemys scripta elegans Journal of Herpetology. 32: 515-526.  1
1998 Janzen FJ, Stern HS. Logistic regression for empirical studies of multivariate selection Evolution. 52: 1564-1571.  1
1998 Tucker JK, Janzen FJ, Paukstis GL. Variation in carapace morphology and reproduction in the red-eared slider Trachemys scripta elegans Journal of Herpetology. 32: 294-298.  1
1998 Tucker JK, Filoramo NI, Paukstis GL, Janzen FJ. Residual yolk in captive and wild-caught hatchlings of the red-eared slider turtle (Trachemys scripta elegans) Copeia. 488-492.  1
1998 Tucker JK, Filoramo NI, Paukstis GL, Janzen FJ. Response of red-eared slider, Trachemys scripta elegans, eggs to slightly differing water potentials Journal of Herpetology. 32: 124-128.  1
1998 Tucker JK, Janzen FJ. Order of oviposition and egg size in the red-eared slider turtle (Trachemys scripta elegans) Canadian Journal of Zoology. 76: 377-380.  1
1997 Tucker JK, Theiling CH, Janzen FJ, Paukstis GL. Sensitivity to aerial exposure: Potential of system-wide drawdowns to manage zebra mussels in the Mississippi River Regulated Rivers: Research and Management. 13: 479-487.  1
1997 Tucker JK, Janzen FJ. Incidence of twinning in turtles Copeia. 166-173.  1
1997 Paukstis GL, Janzen FJ, Tucker JK. Comparative survivorship of sympatric native North American Gastropods (Anguispira, Mesodon, Physella, Pleurocera) and an introduced bivalve (Dreissena) exposed to freezing temperatures Veliger. 40: 67-70.  1
1996 Brodie ED, Janzen FJ. ON THE ASSIGNMENT OF FITNESS VALUES IN STATISTICAL ANALYSES OF SELECTION. Evolution; International Journal of Organic Evolution. 50: 437-442. PMID 28568868 DOI: 10.1111/J.1558-5646.1996.Tb04505.X  1
1996 Packard GC, Janzen FJ. Interpopulational variation in the cold-tolerance of hatchling painted turtles Journal of Thermal Biology. 21: 183-190. DOI: 10.1016/0306-4565(96)00001-0  1
1996 Paukstis GL, Janzen FJ, Tucker JK. Response of Aerially-Exposed Zebra Mussels (Dreissena polymorpha) to Subfreezing Temperatures Journal of Freshwater Ecology. 11: 513-519.  1
1996 Brodie ED, Janzen FJ. On the assignment of fitness values in statistical analyses of selection Evolution. 50: 437-442.  1
1996 Janzen FJ, Ast JC, Paukstis GL. Influence of the hydric environment and clutch on eggs and embryos of two sympatric map turtles Functional Ecology. 9: 913-922.  1
1995 Brodie ED, Moore AJ, Janzen FJ. Visualizing and quantifying natural selection. Trends in Ecology & Evolution. 10: 313-8. PMID 21237054 DOI: 10.1016/S0169-5347(00)89117-X  1
1995 Brodie ED, Janzen FJ. Experimental studies of coral snake mimicry: Generalized avoidance of ringed snake patterns by free-ranging avian predators Functional Ecology. 9: 186-190. DOI: 10.2307/2390563  1
1995 Janzen FJ, Brodie ED. Visually-oriented foraging in a natural population of herbivorous lizards (Ctenosaura similis) Journal of Herpetology. 29: 132-141. DOI: 10.2307/1565099  1
1995 Janzen FJ. Expermental evidence for the evolutionary significance of temperature-dependent sex determination Evolution. 49: 864-873.  1
1994 Janzen FJ. Climate change and temperature-dependent sex determination in reptiles. Proceedings of the National Academy of Sciences of the United States of America. 91: 7487-90. PMID 8052608 DOI: 10.1073/pnas.91.16.7487  1
1994 Janzen FJ. Vegetational cover predicts the sex ratio of hatchling turtles in natural nests Ecology. 75: 1593-1599.  1
1993 Janzen FJ. The influence of incubation temperature and family on eggs, embryos, and hatchlings of the smooth softshell turtle (Apalone mutica) Physiological Zoology. 66: 349-373.  1
1993 Janzen FJ. An experimental analysis of natural selection on body size of hatchling turtles Ecology. 74: 332-341.  1
1992 Janzen FJ. Heritable variation for sex ratio under environmental sex determination in the common snapping turtle (Chelydra serpentina). Genetics. 131: 155-61. PMID 1592234  1
1991 Janzen FJ, Paukstis GL. A PRELIMINARY TEST OF THE ADAPTIVE SIGNIFICANCE OF ENVIRONMENTAL SEX DETERMINATION IN REPTILES. Evolution; International Journal of Organic Evolution. 45: 435-440. PMID 28567879 DOI: 10.1111/j.1558-5646.1991.tb04417.x  0.64
1991 Janzen FJ, Paukstis GL. Environmental sex determination in reptiles: ecology, evolution, and experimental design. The Quarterly Review of Biology. 66: 149-79. PMID 1891591  1
1990 Janzen FJ, Packard GC, Packard MJ, Boardman TJ, zumBrunnen JR. Mobilization of lipid and protein by embryonic snapping turtles in wet and dry environments Journal of Experimental Zoology. 255: 155-162.  1
1989 Paukstis GL, Shuman RD, Janzen FJ. Supercooling and freeze tolerance in hatchling painted turtles (Chrysemys picta) Canadian Journal of Zoology. 67: 1082-1084.  1
1988 Janzen FJ, Paukstis GL. Environmental sex determination in reptiles. Nature. 332: 790. PMID 3357550 DOI: 10.1038/332790a0  1
1986 McAuliffe JR, Janzen FJ. Effects of intraspecific crowding on water uptake, water storage, apical growth, and reproductive potential in the sahuaro cactus, Carnegiea gigantea Botanical Gazette. 147: 334-341.  1
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