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

Tapered conduits can buffer hydraulic conductance from path-length effects.

P Becker1, R J Gribben, C M Lim

  • 1Department of Biology, Universiti Brunei Darussalam, SE Asia.

Tree Physiology
|April 17, 2001
PubMed
Summary

Tree hydraulic resistance can be independent of path length with sufficient vascular tapering. This study shows partial buffering occurs even with moderate tapering, suggesting a way to mitigate hydraulic limitations on tree height.

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

Implant Choice of Internal Fixation for Stable Femoral Neck Fractures in Elderly: Cannulated Screw Fixation versus Helical Blade Cephalomedullary Nailing.

Malaysian orthopaedic journal·2025
Same author

Crystal structure and absence of magnetic order in single-crystalline RuO<sub>2</sub>.

Journal of physics. Condensed matter : an Institute of Physics journal·2025
Same author

Early online.

South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde·2024
Same author

A randomised trial comparing preoperative administration of single-dose kefazolin to kefazolin plus metronidazole as prophylactic antibiotics at caesarean section.

South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde·2024
Same author

Rotational phase transitions in antifluorite-type osmate and iridate compounds.

Journal of physics. Condensed matter : an Institute of Physics journal·2024
Same author

TONI - One for all? Participatory development of a transtheoretic and transdiagnostic online intervention for blended care.

Internet interventions·2024

Area of Science:

  • Plant Physiology
  • Biophysics
  • Forest Ecology

Background:

  • The West, Brown, and Enquist model proposed that hydraulic resistance in trees is independent of path length if vascular conduits taper sufficiently.
  • This model assumes a volume-filling tree network with exponentially increasing segment lengths from top to base.

Purpose of the Study:

  • To investigate hydraulic resistance in tree vascular networks.
  • To determine if partial buffering of hydraulic resistance from path-length effects occurs with moderate tapering.
  • To assess the impact of fixed segment lengths on this buffering effect.

Main Methods:

  • Theoretical modeling of hydraulic resistance in tree vascular networks.
  • Analysis of the relationship between vascular tapering, segment length, and hydraulic resistance.

Related Experiment Videos

  • Comparison of results under conditions of exponential and fixed segment lengths.

    • Main Results:

    • Partial buffering of hydraulic resistance from path-length effects can occur even with moderate vascular tapering.
    • This buffering effect is amplified when vascular segment lengths are held constant.
    • The findings suggest a mechanism for mitigating hydraulic limitations on tree height.

    Conclusions:

    • Tree hydraulic architecture can mitigate the impact of path length on water transport.
    • Moderate vascular tapering, particularly with fixed segment lengths, can significantly buffer hydraulic resistance.
    • Further empirical measurements of tracheary size and hydraulic resistance are needed to validate these model predictions.