Fredric Janzen, Ph.D.

Iowa State University, Ames, IA, United States 
"Fredric Janzen"


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Stevan J. Arnold grad student 1987-1992 Chicago
H. Bradley Shaffer post-doc 1992-1994 UC Davis


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Julie Marie Wiemerslage research assistant Iowa State
Cesar E. Perez-Gonzalez research assistant 1995-1996 Iowa State
Michelle Balk research assistant 1995-1997 Iowa State
Lisa Solberg research assistant 1995-1997 Iowa State
Luke J. Harmon research assistant 1996-1998 Iowa State
Tamara Haselkorn research assistant 1996-1998 Iowa State
Justin St. Juliana research assistant 2001-2002 Iowa State
Heidi Harms research assistant 2000-2003 Iowa State
Demian Willette research assistant 2000-2003 Iowa State
Ryan Paitz research assistant 2002-2004 Iowa State
Andrea R. LeClere research assistant 2004-2005 Iowa State
Lori Neuman-Lee research assistant 2002-2008 Iowa State
Chris H. Chandler grad student SUNY Oswego
Tim Mitchell grad student 2008- Iowa State
Antonio Cordero grad student 2009- Iowa State
Rory Telemeco grad student 2009- Iowa State
Nirvana Filoramo grad student 1995-1997 Iowa State
David W. Weisrock grad student 1995-1997 Iowa State
Jason J. Kolbe grad student 1997-2000 Iowa State
James G. Krenz grad student 1998-2001 Iowa State
Carrie Morjan grad student 1996-2002 Iowa State
Michael Mullins grad student 2000-2002 Iowa State
Chih-Horng Kuo grad student 2001-2003 Iowa State
Julie Gonzalez grad student 2001-2004 Iowa State
Paul Colbert grad student 2003-2006 Iowa State
Lindsay Kasuga grad student 2004-2007 Iowa State
Erin M. Myers grad student 2002-2008 Iowa State
Suzanne McGaugh grad student 2003-2009 Iowa State
Jeramie Strickland grad student 2006-2009 Iowa State
Christopher Chandler grad student 2004-2010 Iowa State
Jeanine Refsnider grad student 2007-2012 Iowa State
Arun Sethuraman grad student 2009-2013 Iowa State
Dan Warner post-doc 2007- Iowa State
Nicole Valenzuela post-doc 1999-2000 Iowa State
Rachel Bowden post-doc 2001-2003 Iowa State
Ricky Spencer post-doc 2003-2005 Iowa State
Lisa E. Schwanz post-doc 2006-2008 Iowa State
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Delaney DM, Hoekstra LA, Janzen FJ. (2021) Age Predicts Risky Investment Better Than Residual Reproductive Value. The American Naturalist. 197: 461-472
Delaney DM, Hoekstra LA, Janzen FJ. (2020) Becoming creatures of habit: among- and within-individual variation in nesting behavior shifts with age. Journal of Evolutionary Biology
Sethuraman A, Janzen FJ, Weisrock DW, et al. (2020) Insights from Population Genomics to Enhance and Sustain Biological Control of Insect Pests. Insects. 11
Warner DA, Mitchell TS, Bodensteiner BL, et al. (2020) 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
Fanter CE, Lin Z, Keenan SW, et al. (2019) Development-specific transcriptomic profiling suggests new mechanisms for anoxic survival in the ventricle of overwintering turtles. The Journal of Experimental Biology
Reinke BA, Hoekstra L, Bronikowski AM, et al. (2019) Joint estimation of growth and survival from mark-recapture data to improve estimates of senescence in wild populations. Ecology
Cordero GA, Stearns S, Quinteros K, et al. (2019) The postembryonic transformation of the shell in emydine box turtles. Evolution & Development. e12307
Janzen FJ, Delaney DM, Mitchell TS, et al. (2019) Do covariances between maternal behavior and embryonic physiology drive sex-ratio evolution under environmental sex determination? The Journal of Heredity
Bodensteiner BL, Warner DA, Iverson JB, et al. (2019) Geographic variation in thermal sensitivity of early life traits in a widespread reptile. Ecology and Evolution. 9: 2791-2802
Hoekstra LA, Weber RC, Bronikowski AM, et al. (2018) Sex-specific growth, shape, and their impacts on the life history of a long-lived vertebrate. Evolutionary Ecology Research. 19: 639-657
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