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 Concept Videos

Design Example: Analyzing Capacity Contours for Flood Risk Assessment01:17

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

26
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
26
Survival Tree01:19

Survival Tree

37
Survival trees are a non-parametric method used in survival analysis to model the relationship between a set of covariates and the time until an event of interest occurs, often referred to as the "time-to-event" or "survival time." This method is particularly useful when dealing with censored data, where the event has not occurred for some individuals by the end of the study period, or when the exact time of the event is unknown.
 Building a Survival Tree
Constructing a...
37
Methods of Obtaining Topography01:25

Methods of Obtaining Topography

26
Topography involves measuring and mapping land elevations, natural features, and artificial structures to create accurate representations of the terrain. Topographic surveying relies on traditional and modern methods, each with distinct advantages and limitations.Traditional Surveying Methods:Transit stadia surveys and plane table surveys were widely used traditional surveying methods. These techniques relied on instruments like theodolites and stadia rods for measuring distances and angles,...
26
Unsoundness of Aggregate due to Volume Change01:26

Unsoundness of Aggregate due to Volume Change

84
Unsoundness in aggregates due to volume changes is primarily caused by the physical alterations aggregates undergo, such as freezing and thawing, thermal changes, and wetting and drying. Unsound aggregates, when subjected to these changes, result in volume change upon disintegration. This, in turn, contributes to the deterioration of concrete, including scaling, pop-outs, and cracking. Particular types of aggregates, such as porous flints, cherts, and those containing clay minerals, are...
84
Parametric Survival Analysis: Weibull and Exponential Methods01:14

Parametric Survival Analysis: Weibull and Exponential Methods

263
Parametric survival analysis models survival data by assuming a specific probability distribution for the time until an event occurs. The Weibull and exponential distributions are two of the most commonly used methods in this context, due to their versatility and relatively straightforward application.
Weibull Distribution
The Weibull distribution is a flexible model used in parametric survival analysis. It can handle both increasing and decreasing hazard rates, depending on its shape parameter...
263
Response Surface Methodology01:16

Response Surface Methodology

61
Response Surface Methodology (RSM) is a collection of statistical and mathematical techniques used to develop, improve, and optimize processes. It is particularly valuable when many input variables or factors potentially influence a response variable.
The process of RSM involves several key steps:
61

You might also read

Related Articles

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

Sort by
Same author

Hijacked hydraulics: Verticillium dahliae-induced xylem dysfunction in pepper stems revealed by integrated hydraulic, imaging, and molecular analyses.

The New phytologist·2026
Same author

The role of stem respiration in cold-acclimation of winter-dormant Quercus robur trees under large air temperature fluctuations.

Journal of experimental botany·2026
Same author

Mind the vessel: towards a unified framework of dendroecology and ecophysiology for understanding angiosperm tree functioning in European temperate climates.

Tree physiology·2026
Same author

Assimilation dynamics of xylem-transported CO2 by woody tissue photosynthesis revealed with 11C- and 13C-labelling.

Journal of experimental botany·2026
Same author

Tracing the fate of water following foliar uptake in beech (Fagus sylvatica L.) using positron imaging.

Annals of botany·2025
Same author

Wheat Maintains Stem Water Potential During Drought Stress Despite Declining Osmotic Potential.

Physiologia plantarum·2025

Related Experiment Video

Updated: May 7, 2025

Author Spotlight: Advancements in X-ray CT Tool Chain for Tree Core Analysis
06:56

Author Spotlight: Advancements in X-ray CT Tool Chain for Tree Core Analysis

Published on: September 22, 2023

915

Revised method for constructing acoustic vulnerability curves in trees.

Kaat De Boeck1, Kathy Steppe1

  • 1Laboratory of Plant Ecology, Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000 Ghent, Belgium.

Tree Physiology
|January 6, 2025
PubMed
Summary

This study introduces a new acoustic method to accurately measure tree vulnerability to drought-induced embolism formation. The improved technique enhances understanding of tree hydraulics and drought stress responses.

Keywords:
Betula pendulaFagus sylvaticaPlatanus × acerifoliaQuercus roburacoustic emissionbench-top dehydrationdrought stressembolismendpoint methodhydraulic conductivitysignal clustering

More Related Videos

Data Acquisition Protocol for Determining Embedded Sensitivity Functions
07:46

Data Acquisition Protocol for Determining Embedded Sensitivity Functions

Published on: April 20, 2016

6.1K
A Method for Quantifying Foliage-Dwelling Arthropods
08:20

A Method for Quantifying Foliage-Dwelling Arthropods

Published on: October 20, 2019

5.7K

Related Experiment Videos

Last Updated: May 7, 2025

Author Spotlight: Advancements in X-ray CT Tool Chain for Tree Core Analysis
06:56

Author Spotlight: Advancements in X-ray CT Tool Chain for Tree Core Analysis

Published on: September 22, 2023

915
Data Acquisition Protocol for Determining Embedded Sensitivity Functions
07:46

Data Acquisition Protocol for Determining Embedded Sensitivity Functions

Published on: April 20, 2016

6.1K
A Method for Quantifying Foliage-Dwelling Arthropods
08:20

A Method for Quantifying Foliage-Dwelling Arthropods

Published on: October 20, 2019

5.7K

Area of Science:

  • Plant Physiology
  • Forest Ecology
  • Biophysics

Background:

  • Drought stress causes xylem embolism, reducing hydraulic conductivity and potentially leading to tree death.
  • Accurate quantification of embolism vulnerability is crucial for understanding tree hydraulics.
  • Acoustic emission (AE) analysis is a non-destructive method for monitoring embolism, but signal interpretation is challenging.

Purpose of the Study:

  • To develop an improved, less subjective methodology for constructing acoustic vulnerability curves (VCAE).
  • To enhance the accuracy of assessing tree vulnerability to drought stress using AE analysis.
  • To objectively pinpoint the endpoint of 100% embolism in VCAE construction.

Main Methods:

  • Combined AE signal clustering with an objective method to determine the 100% embolism point.
  • Correlated water potential at maximum AE activity with 50% loss of hydraulic conductivity.
  • Applied a refined clustering algorithm to AE data from four temperate tree species.

Main Results:

  • Consistently identified natural frequency-based clusters separating embolism-related AEs from other signals.
  • Minimized the influence of non-embolism-related signals by focusing on embolism-related AE activity.
  • Successfully identified the true VCAE endpoint, reducing subjectivity in previous methods.

Conclusions:

  • The improved VCAE method enhances the accuracy of assessing tree drought vulnerability.
  • This approach offers broader insights into tree hydraulics across diverse species and conditions.
  • The refined methodology advances the application of AE analysis in plant stress research.