Faculty

Institution

Unit

Venue

Fredric J Janzen

Professor

Iowa State University

Affiliations

College of Agriculture and Life Sciences

Ecology, Evolution, and Organismal Biology

College of Liberal Arts and Sciences

Ecology, Evolution, and Organismal Biology

Fredric J Janzen is currently serving as a College Of Agriculture And Life Sciences Professor at Iowa State University.

Honors

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Experiences

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Education

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Fredric J Janzen

Iowa State University

Professor

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ecology avian biology marine biology evolutionary biology developmental biology conservation biology animal ecology zoology breeding behavior biology animal behavior wildlife ecology ornithology animal science evolutionary ecology animal physiology wildlife temperature-dependent sex determination climate change population biology reproductive biology behavioral ecology population genetics functional ecology environmental sex determination morphology (biology) adaptation wildlife biology entomology population ecology animal conservation biological evolution painted turtles mammalian biology animal reproduction embryonic development chrysemys picta fish biology evolutionary genetics marine ecology trachemys scripta elegans livestock science natural selection spatial ecology predator-prey interactions integrative biology early life-history stage red-eared slider turtle nest-site choice evolutionary theory landscape ecology conservation genetics terrestrial ecology rodent ecology reproductive success mammalian physiology experimental biology neonatology morphological impact life history ecophysiology behavioral plasticity sex ratio common snapping turtle incubation temperature egg size painted turtle nest temperature evolutionary significance climate change effects body size vegetation science comparative endocrinology phenology ornate box turtles chelydra serpentina ecology evolution molecular evolutionary ecology molecular ecology life-history traits ecology and evolutionary biology

Notable Scholarly Works

Notable Federal Grants

Collaborators

Adult Sex‐Ratio Bias Does Not Lead to Detectable Adaptive Offspring Sex Allocation via Nest‐Site Choice in a Turtle With Temperature‐Dependent Sex Determination. Ecology and Evolution (2024)

Claudia CrowtherClare I. M. AdamsAndy FondrenFredric J. Janzen

temperature-dependent sex determinationsexual selectionadaptationbehavioral ecologysex allocationadult sex-ratio biasnest-site choiceecology and evolutionary biologyecologyevolutionary biology

Demographic History and Genomic Signatures of Selection in a Widespread Vertebrate Ectotherm. Molecular Ecology (2024)

Jessica M. JudsonLuke A. HoekstraFredric J. Janzen

genomicsgenomic signaturesdemographic historymolecular ecologyevolutionary biology

Developmental Thermal Reaction Norms of Leatherback Marine Turtles at Nesting Beaches. Animals (2024)

Marc GirondotCaleb J. KruegerCamille CléomèneZeenat TranDamien ChevallierFredric J. Janzen

zoologythermal insulationmarine biologythermal analysisecologythermal comfortfish biologyextreme environmentsbehavioral plasticitymarine ecologybehavioral ecologyanimal physiologybiologyaquatic ecosystemsdevelopmental biologyconservation biologyanimal ecologycommunity (ecology)leatherback marine turtles

Geographic Variation in Incubation Temperatures Promoting Viable Offspring Production in Broadly Co‐Distributed Turtles. Journal of Experimental Zoology Part A Ecological and Integrative Physiology (2024)

Gerardo A. CorderoMichelle L. BalkCésar E. Pérez‐GonzálezLisa M. SolbergJeremiah Sean DoodyMichael V. PlummerFredric J. Janzen

co-distributed turtleszoologybiogeographyanimal ecologygeographic variationmarine biologydevelopmental biologyincubation temperaturesecology

Increased Nest Temperature During Winter Does Not Affect Residual Yolk Metabolism of Hatchling Painted Turtles ( Chrysemys Picta ). Integrative Zoology (2024)

Daniel A. WARNERTimothy S. MITCHELLFredric J. JANZEN

integrative biologyzoologynest temperatureecologyresidual yolk metabolism

Issue Information ‐ Table of Contents. Glia (2023)

Cristina AlberiniJack AntelBruce AppelAlfonso AraqueEtienne AudinatSelva BaltanSusan BarnettL BarrosIngo BechmannKnut BiberErik BoddekeAngelique BordeyAngus BrownAnnalisa BuffoOleg ButovskyPeter CanollPatrizia CasacciaFernando De CastroBenjamin DeneenLeda DimouBart EggenBen EmeryCarole EscartinAndreas FaissnerMaria FeltriAxel NimmerjahnAkiko NishiyamaMami NodaTrevor OwensElior PelesBo PengGertrudis PereaBrian PopkoMarco PrinzMengsheng QiuJoão CarlosBettencourt DeMedeiros RelvasChristine RoseNathalie RouachAnne SchaeferVolker SiffrinFraser SimMikael SimonsHarald SontheimerDavid SprayChristian SteinhäuserBeth StevensJohn SvarenRaymond SwansonXiaoping TongMarie-Ève TremblayJie TuClaudia VerderioHiroaki WakeBruno WeberJonathan WeinsteinMichael WegnerSusanne WolfLan XiaoXin XieHonghong YaoMin ZhangJialin Zheng

international pricingpublic economicseconomicstax avoidancepublic policytax.asia-pacific gstworld trade organization laweconomic policytax policy

Mother Knows Best: Nest-Site Choice Homogenizes Embryo Thermal Environments Among Populations in a Widespread Ectotherm. Philosophical Transactions of the Royal Society B Biological Sciences (2023)

Brooke L. BodensteinerJohn B. IversonCarter A. LeaCarrie L. Milne-ZelmanTimothy S. MitchellJeanine M. RefsniderKameron VovesDaniel A. WarnerFredric J. Janzen

integrative biologyanimal reproductionwidespread ectothermecologythermal environmentsmammalogynest-site choice homogenizespopulation biologyreproductive biologyavian biologydevelopmental biologyanimal ecologyevolutionary biologypopulation ecologyglobal change biologyadaptationbreeding behaviorcommunity (ecology)evolutionary ecologyembryonic developmentembryology

On the Origin of Patterns of Temperature-Dependent Sex Determination. Evolution (2023)

Caleb J KruegerFredric J Janzen

phylogeneticstemperature-dependent sex determinationhuman evolutionmarine biologybiological evolutionmolecular evolutionecologyevolutionary biology

Developmental Asynchrony Might Not Reduce Fitness in Early Life in Painted Turtles. Frontiers in Physiology (2022)

P. L. ColbertR.-J. SpencerF. J. Janzen

physiologyearly lifeanimal physiologyfitnessdevelopmental biologypainted turtlesdevelopmental asynchrony

Diverse Aging Rates in Ectothermic Tetrapods Provide Insights for the Evolution of Aging and Longevity. Science (2022)

Beth A. ReinkeHugo CayuelaFredric J. JanzenJean-François LemaîtreJean-Michel GaillardA. Michelle LawingJohn B. IversonDitte G. ChristiansenIñigo Martínez-SolanoGregorio Sánchez-MontesJorge Gutiérrez-RodríguezFrancis L. RoseNicola NelsonSusan KeallAlain J. CrivelliTheodoros NaziridesAnnegret Grimm-SeyfarthKlaus HenleEmiliano MoriGaëtan GuillerRebecca HomanAnthony OlivierErin MuthsBlake R. HossackXavier BonnetDavid S. PilliodMarieke LettinkTony WhitakerBenedikt R. SchmidtMichael G. GardnerMarc CheylanFrançoise PoitevinAna GolubovićLjiljana TomovićDragan ArsovskiRichard A. GriffithsJan W. ArntzenJean-Pierre BaronJean-François Le GalliardThomas TullyLuca LuiselliMassimo CapulaLorenzo RugieroRebecca McCafferyLisa A. EbyVenetia Briggs-GonzalezFrank MazzottiDavid PearsonBrad A. LambertDavid M. GreenNathalie JreidiniClaudio AngeliniGraham PykeJean-Marc ThirionPierre JolyJean-Paul LénaAnton D. TuckerCol LimpusPauline PriolAurélien BesnardPauline BernardKristin StanfordRichard KingJustin GarwoodJaime BoschFranco L. SouzaJaime BertoluciShirley FamelliKurt GrossenbacherOmar LenziKathleen MatthewsSylvain BoitaudDeanna H. OlsonTim S. JessopGraeme R. GillespieJean ClobertMurielle RichardAndrés Valenzuela-SánchezGary M. FellersPatrick M. KleemanBrian J. HalsteadEvan H. Campbell GrantPhillip G. ByrneThierry FréteyBernard Le GarffPauline LevionnoisJohn C. MaerzJulian PichenotKurtuluş OlgunNazan ÜzümAziz AvcıClaude MiaudJohan ElmbergGregory P. BrownRichard ShineNathan F. BendikLisa O’DonnellCourtney L. DavisMichael J. LannooRochelle M. Stiles

ecology evolutionpaleontologylongevityectothermic tetrapodsavian biologybiogerontologyavian evolutionbiologybiological evolutionmolecular evolutionconservation biologyecologyevolutionary biologyanimal biosciencemortality

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Fredric J Janzen

Professor

Iowa State University

Affiliations

College of Agriculture and Life Sciences

Ecology, Evolution, and Organismal Biology

College of Liberal Arts and Sciences

Ecology, Evolution, and Organismal Biology

Fredric J Janzen is currently serving as a College Of Agriculture And Life Sciences Professor at Iowa State University.

Honors

Create free account to unlock more features

Experiences

Create free account to unlock more features

Education

Create free account to unlock more features

Fredric J Janzen

Iowa State University

Professor

You can click a keyword to filter the displayed items

Notable Scholarly Works

Notable Federal Grants

Collaborators

Adult Sex‐Ratio Bias Does Not Lead to Detectable Adaptive Offspring Sex Allocation via Nest‐Site Choice in a Turtle With Temperature‐Dependent Sex Determination. Ecology and Evolution (2024)

Claudia CrowtherClare I. M. AdamsAndy FondrenFredric J. Janzen

temperature-dependent sex determinationsexual selectionadaptationbehavioral ecologysex allocationadult sex-ratio biasnest-site choiceecology and evolutionary biologyecologyevolutionary biology

Demographic History and Genomic Signatures of Selection in a Widespread Vertebrate Ectotherm. Molecular Ecology (2024)

Jessica M. JudsonLuke A. HoekstraFredric J. Janzen

genomicsgenomic signaturesdemographic historymolecular ecologyevolutionary biology

Developmental Thermal Reaction Norms of Leatherback Marine Turtles at Nesting Beaches. Animals (2024)

Marc GirondotCaleb J. KruegerCamille CléomèneZeenat TranDamien ChevallierFredric J. Janzen

Gerardo A. CorderoMichelle L. BalkCésar E. Pérez‐GonzálezLisa M. SolbergJeremiah Sean DoodyMichael V. PlummerFredric J. Janzen

co-distributed turtleszoologybiogeographyanimal ecologygeographic variationmarine biologydevelopmental biologyincubation temperaturesecology

Increased Nest Temperature During Winter Does Not Affect Residual Yolk Metabolism of Hatchling Painted Turtles ( Chrysemys Picta ). Integrative Zoology (2024)

Daniel A. WARNERTimothy S. MITCHELLFredric J. JANZEN

integrative biologyzoologynest temperatureecologyresidual yolk metabolism

Issue Information ‐ Table of Contents. Glia (2023)

international pricingpublic economicseconomicstax avoidancepublic policytax.asia-pacific gstworld trade organization laweconomic policytax policy

Mother Knows Best: Nest-Site Choice Homogenizes Embryo Thermal Environments Among Populations in a Widespread Ectotherm. Philosophical Transactions of the Royal Society B Biological Sciences (2023)

Brooke L. BodensteinerJohn B. IversonCarter A. LeaCarrie L. Milne-ZelmanTimothy S. MitchellJeanine M. RefsniderKameron VovesDaniel A. WarnerFredric J. Janzen

On the Origin of Patterns of Temperature-Dependent Sex Determination. Evolution (2023)

Caleb J KruegerFredric J Janzen

phylogeneticstemperature-dependent sex determinationhuman evolutionmarine biologybiological evolutionmolecular evolutionecologyevolutionary biology

Developmental Asynchrony Might Not Reduce Fitness in Early Life in Painted Turtles. Frontiers in Physiology (2022)

P. L. ColbertR.-J. SpencerF. J. Janzen

physiologyearly lifeanimal physiologyfitnessdevelopmental biologypainted turtlesdevelopmental asynchrony

Diverse Aging Rates in Ectothermic Tetrapods Provide Insights for the Evolution of Aging and Longevity. Science (2022)

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Similar Faculty Members

Fredric Janzen

Institution

Michigan State University

evolutionary biology

evolutionary theory

H. Lisle Gibbs

Institution

Ohio State University

evolutionary biology

conservation genetics

Daniel Bolnick

Institution

University of Connecticut

transposable elements

evolutionary biology

Anne M Bronikowski

Institution

Iowa State University

cellular senescence

gene expression

Kelly R. Zamudio

Institution

University of Texas at Austin

evolutionary biology

population biology

Andrew McAdam

Institution

University of Colorado Boulder

ecology

evolutionary biology

Giacomo Bernardi

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University of California, Santa Cruz

evolutionary biology

fish biology

Donald A Croll

Institution

University of California, Santa Cruz

aquatic conservation

conservation biology

Kevin McCracken

Institution

University of Miami

avian biology

evolutionary biology

Joel Kingsolver

Institution

University of North Carolina at Chapel Hill

sustainable environmental management

biodiversity conservation