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D-Index & Metrics

Ecology and Evolution

D-Index
67
Citations
14775
World Ranking
1618
National Ranking
593

Research.com Recognitions

  • 2018 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Fredric J. Janzen is affiliated with Iowa State University in the United States and conducts research primarily in Environmental Science and Agricultural and Biological Sciences. Their work spans various subfields including Ecology, Evolution, Behavior and Systematics, Nature and Landscape Conservation, Global and Planetary Change, and Molecular Biology.

The scientist's research topics focus on Animal Behavior and Reproduction, Turtle Biology and Conservation, Wildlife Ecology and Conservation, Amphibian and Reptile Biology, Avian Ecology and Behavior, Bat Biology and Ecology Studies, and Species Distribution and Climate Change.

Fredric J. Janzen has contributed to several peer-reviewed papers in notable venues. Recent publications include:

  • "Diverse aging rates in ectothermic tetrapods provide insights for the evolution of aging and longevity," 2022, Science
  • "Insights from Population Genomics to Enhance and Sustain Biological Control of Insect Pests," 2020, Insects
  • "Mother knows best: nest-site choice homogenizes embryo thermal environments among populations in a widespread ectotherm," 2023, Philosophical Transactions of the Royal Society B Biological Sciences
  • "Predicting the effects of climate change on incubation in reptiles: methodological advances and new directions," 2021, Journal of Experimental Biology
  • "Risk-sensitive maternal investment: an evaluation of parent-offspring conflict over nest site choice in the wild," 2020, Animal Behaviour

Frequent coauthors associated with Fredric J. Janzen include Caleb J. Krueger, Luke A. Hoekstra, David M. Delaney, Gerardo A. Cordero, and Richard B. King.

The scientist regularly publishes in venues such as Zenodo (CERN European Organization for Nuclear Research), Evolution, Animal Behaviour, Science, and Insects.

In recognition of their contributions to the scientific community, Fredric J. Janzen was awarded the status of Fellow of the American Association for the Advancement of Science (AAAS) in 2018.

Best Publications

  • Climate change and temperature-dependent sex determination in reptiles

    Fredric J. Janzen

  • Visualizing and quantifying natural selection

    Edmund D. Brodie;Allen J. Moore;Fredric J. Janzen

  • ENVIRONMENTAL SEX DETERMINATION IN REPTILES: ECOLOGY, EVOLUTION, AND EXPERIMENTAL DESIGN

    Fredric J. Janzen;Gary L. Paukstis

  • Adaptive responses of animals to climate change are most likely insufficient

    Viktoriia Radchuk;Thomas Reed;Céline Teplitsky;Martijn van der Pol

  • Putting Eggs in One Basket: Ecological and Evolutionary Hypotheses for Variation in Oviposition-Site Choice

    Jeanine M. Refsnider;Fredric J. Janzen

  • LOGISTIC REGRESSION FOR EMPIRICAL STUDIES OF MULTIVARIATE SELECTION

    Fredric J. Janzen;Hal S. Stern

  • The western painted turtle genome, a model for the evolution of extreme physiological adaptations in a slowly evolving lineage

    H. Bradley Shaffer;Patrick Minx;Daniel E. Warren;Andrew M. Shedlock;Andrew M. Shedlock

  • An Experimental Analysis of Natural Selection on Body Size of Hatchling Turtles

    Fredric J. Janzen

  • IMPACT OF NEST-SITE SELECTION ON NEST SUCCESS AND NEST TEMPERATURE IN NATURAL AND DISTURBED HABITATS

    Jason J. Kolbe;Fredric J. Janzen

  • Vegetational Cover Predicts the Sex Ratio of Hatchling Turtles in Natural Nests

    Fredric J. Janzen

  • Exploring the evolution of environmental sex determination, especially in reptiles.

    F. J. Janzen;P. C. Phillips

  • EXPERIMENTAL ANALYSIS OF AN EARLY LIFE-HISTORY STAGE: SELECTION ON SIZE OF HATCHLING TURTLES

    Fredric J. Janzen;John K. Tucker;Gary L. Paukstis

  • Temperature-dependent sex determination and contemporary climate change.

    Nicki Mitchell;F.J. Janzen

  • Pattern Does Not Equal Process: Exactly When Is Sex Environmentally Determined?

    M. Nicole Valenzuela;Dean C. Adams;Fredric J. Janzen

  • Genetic Effects of a Persistent Bottleneck on a Natural Population of Ornate Box Turtles (Terrapene ornata)

    Chih-Horng Kuo;Chih-Horng Kuo;Fredric J. Janzen

  • Experimental analysis of an early life‐history stage: avian predation selects for larger body size of hatchling turtles

    F. J. Janzen;J. K. Tucker;G. L. Paukstis

  • Molecular phylogenetics and evolution of turtles.

    James G. Krenz;Gavin J.P. Naylor;H. Bradley Shaffer;Fredric J. Janzen

  • Thermal and fitness‐related consequences of nest location in Painted Turtles (Chrysemys picta)

    D. W. Weisrock;F. J. Janzen

  • Heritable variation for sex ratio under environmental sex determination in the common snapping turtle (Chelydra serpentina).

    Fredric J. Janzen

  • Molecular systematics, phylogeography, and the effects of Pleistocene glaciation in the painted turtle (Chrysemys picta) complex.

    David E. Starkey;H. Bradley Shaffer;Russell L. Burke;Michael R. J. Forstner

Frequent Co-Authors

Daniel A. Warner
Daniel A. Warner Auburn University
Edmund D. Brodie
Edmund D. Brodie University of Virginia
Anne M. Bronikowski
Anne M. Bronikowski Iowa State University
David A. W. Miller
David A. W. Miller Pennsylvania State University
Nicole Valenzuela
Nicole Valenzuela Iowa State University
Jason J. Kolbe
Jason J. Kolbe University of Rhode Island
John J. Obrycki
John J. Obrycki University of Kentucky
Patrick C. Phillips
Patrick C. Phillips University of Oregon
Todd A. Castoe
Todd A. Castoe The University of Texas at Arlington
H. Bradley Shaffer
H. Bradley Shaffer University of California, Los Angeles

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