Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Warmer paleotemperatures for terrestrial ecosystems.

Elizabeth A Kowalski1, David L Dilcher

  • 1Florida Museum of Natural History, University of Florida, P.O. Box 117800, Gainesville 32611, USA.

Proceedings of the National Academy of Sciences of the United States of America
|December 21, 2002
PubMed
Summary

Plants in wet soils have more toothed leaves than expected, leading to cooler temperature estimates. This study corrects paleotemperature estimates using leaf traits, improving climate reconstruction accuracy.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Corrigendum: Type I Interferon Response Is Mediated by NLRX1-cGAS-STING Signaling in Brain Injury.

Frontiers in molecular neuroscience·2022
Same author

Monocyte proinflammatory phenotypic control by ephrin type A receptor 4 mediates neural tissue damage.

JCI insight·2022
Same author

Data, metrics, and methods for arthropod and fungal herbivory at the dawn of angiosperm diversification: The Rose Creek plant assemblage of Nebraska, U.S.A.

Data in brief·2022
Same author

Type I Interferon Response Is Mediated by NLRX1-cGAS-STING Signaling in Brain Injury.

Frontiers in molecular neuroscience·2022
Same author

Conditional Deletion of EphA4 on Cx3cr1-Expressing Microglia Fails to Influence Histopathological Outcome and Blood Brain Barrier Disruption Following Brain Injury.

Frontiers in molecular neuroscience·2021
Same author

Early Cretaceous mealybug herbivory on a laurel highlights the deep-time history of angiosperm-scale insect associations.

The New phytologist·2021

Area of Science:

  • Paleobotany
  • Paleoclimatology
  • Leaf Physiognomy

Background:

  • Leaf margin characteristics (e.g., toothed vs. entire) are used to estimate past temperatures.
  • A higher proportion of toothed leaves is typically associated with cooler climates.
  • Floras from wet-soil environments exhibit a disproportionately high occurrence of toothed leaves.

Purpose of the Study:

  • To investigate the impact of wet-soil environments on leaf physiognomy.
  • To re-evaluate paleotemperature estimates derived from leaf physiognomy.
  • To enhance the accuracy of climate reconstruction using fossil floras.

Main Methods:

  • Analysis of foliar physiognomy in modern forest plants from predominantly wet soils.
  • Comparison of leaf physiognomy data with existing paleotemperature estimation methods.

Related Experiment Videos

  • Integration of findings to adjust paleotemperature calculations.

    • Main Results:

    • Wet-soil environments show a greater proportion of toothed leaves than previously accounted for.
    • Current methods using leaf physiognomy may underestimate paleotemperatures by 2.5-10 degrees C.
    • Proposed adjustments align leaf-based temperature estimates with other paleoclimate proxies.

    Conclusions:

    • Leaf physiognomy in wet soils significantly influences paleotemperature estimates.
    • Revised methods improve the reliability of leaf physiognomy for climate reconstruction.
    • This research reconciles temperature estimates from different paleoclimatic proxies.