The chart shows the distribution of publications by all Research.com ranked scientists in the field of Ecology and Evolution in 2026. The highlighted bar marks where Fredric J. Janzen sits on this spectrum.
This scientist: 206 publications — 75th percentile
75% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 531 publications or more.
The chart shows the D-index (discipline H-index) distribution of Ecology and Evolution scientists ranked by Research.com in 2026. The highlighted bar marks where Fredric J. Janzen sits on this spectrum.
This scientist: 67 D-Index — 81st percentile
81% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 121 D-Index or more.
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:
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.
Fredric J. Janzen
Edmund D. Brodie;Allen J. Moore;Fredric J. Janzen
Fredric J. Janzen;Gary L. Paukstis
Viktoriia Radchuk;Thomas Reed;Céline Teplitsky;Martijn van der Pol
Jeanine M. Refsnider;Fredric J. Janzen
Fredric J. Janzen;Hal S. Stern
H. Bradley Shaffer;Patrick Minx;Daniel E. Warren;Andrew M. Shedlock;Andrew M. Shedlock
Fredric J. Janzen
Jason J. Kolbe;Fredric J. Janzen
Fredric J. Janzen
F. J. Janzen;P. C. Phillips
Fredric J. Janzen;John K. Tucker;Gary L. Paukstis
Nicki Mitchell;F.J. Janzen
M. Nicole Valenzuela;Dean C. Adams;Fredric J. Janzen
Chih-Horng Kuo;Chih-Horng Kuo;Fredric J. Janzen
F. J. Janzen;J. K. Tucker;G. L. Paukstis
James G. Krenz;Gavin J.P. Naylor;H. Bradley Shaffer;Fredric J. Janzen
D. W. Weisrock;F. J. Janzen
Fredric J. Janzen
David E. Starkey;H. Bradley Shaffer;Russell L. Burke;Michael R. J. Forstner
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