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

Survival Tree01:19

Survival Tree

390
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...
390
Responses to Drought and Flooding02:41

Responses to Drought and Flooding

11.9K
Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
11.9K
Adaptations that Reduce Water Loss01:57

Adaptations that Reduce Water Loss

27.9K
Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
27.9K
Threats to Biodiversity01:50

Threats to Biodiversity

26.6K
There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species that adapted to the new conditions. In the current geological epoch, the Holocene, there is a sixth extinction event in progress. This mass extinction has been attributed to human activities and is thus provisionally called the Anthropocene. In 2019 the human population reached 7.7 billion people and is projected to comprise 10 billion by...
26.6K
Life Histories01:29

Life Histories

22.5K
Overview
22.5K
Hazard Rate01:11

Hazard Rate

404
The hazard rate, also known as the hazard function or failure rate, is a statistical measure used to describe the instantaneous rate at which an event occurs, given that the event has not yet happened. From a probabilistic perspective, it represents the likelihood that a subject will experience the event in a very small time interval, conditional on surviving up to the beginning of that interval. In terms of frequency, the hazard rate can be viewed as the ratio of the number of events to the...
404

You might also read

Related Articles

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

Sort by
Same author

Decoupled carbon assimilation and growth responses to aridity in temperate deciduous oaks.

Science advances·2026
Same author

Intercomparison of methods for estimating leaf inclination angle distribution with terrestrial lidar for broadleaf tree species.

The New phytologist·2025
Same author

Canopy Structure Exhibits Linear and Nonlinear Links to Biome-Level Maximum Light Use Efficiency.

Ecology letters·2025
Same author

Proximal remote sensing: an essential tool for bridging the gap between high-resolution ecosystem monitoring and global ecology.

The New phytologist·2025
Same author

Unveiling the transferability of PLSR models for leaf trait estimation: lessons from a comprehensive analysis with a novel global dataset.

The New phytologist·2024
Same author

Ground far-red sun-induced chlorophyll fluorescence and vegetation indices in the US Midwestern agroecosystems.

Scientific data·2024

Related Experiment Video

Updated: Jan 19, 2026

Evaluating Dryocosmus Kuriphilus-induced Damage on Castanea Sativa
07:14

Evaluating Dryocosmus Kuriphilus-induced Damage on Castanea Sativa

Published on: August 30, 2018

7.5K

Tree height explains mortality risk during an intense drought.

Atticus E L Stovall1,2, Herman Shugart3, Xi Yang3

  • 1NASA Goddard Space Flight Center, 8800 Greenbelt Rd., Greenbelt, MD, USA. atticus.e.stovall@nasa.gov.

Nature Communications
|September 28, 2019
PubMed
Summary

Climate change is accelerating forest mortality, with large trees facing the highest risk. Our study shows tree height is the key factor in drought-induced tree death, with large trees dying at twice the rate of smaller ones.

More Related Videos

Laboratory and Field Protocol for Estimating Sheet Erosion Rates from Dendrogeomorphology
07:20

Laboratory and Field Protocol for Estimating Sheet Erosion Rates from Dendrogeomorphology

Published on: January 7, 2019

8.2K
Kinematic Analysis of Cell Division and Expansion: Quantifying the Cellular Basis of Growth and Sampling Developmental Zones in Zea mays Leaves
08:31

Kinematic Analysis of Cell Division and Expansion: Quantifying the Cellular Basis of Growth and Sampling Developmental Zones in Zea mays Leaves

Published on: December 2, 2016

11.3K

Related Experiment Videos

Last Updated: Jan 19, 2026

Evaluating Dryocosmus Kuriphilus-induced Damage on Castanea Sativa
07:14

Evaluating Dryocosmus Kuriphilus-induced Damage on Castanea Sativa

Published on: August 30, 2018

7.5K
Laboratory and Field Protocol for Estimating Sheet Erosion Rates from Dendrogeomorphology
07:20

Laboratory and Field Protocol for Estimating Sheet Erosion Rates from Dendrogeomorphology

Published on: January 7, 2019

8.2K
Kinematic Analysis of Cell Division and Expansion: Quantifying the Cellular Basis of Growth and Sampling Developmental Zones in Zea mays Leaves
08:31

Kinematic Analysis of Cell Division and Expansion: Quantifying the Cellular Basis of Growth and Sampling Developmental Zones in Zea mays Leaves

Published on: December 2, 2016

11.3K

Area of Science:

  • Forest ecology
  • Climate change impacts
  • Remote sensing applications

Background:

  • Accelerating forest mortality poses significant ecological and economic threats.
  • Climate change, particularly extreme drought, is a primary driver of increasing tree death.
  • Large trees are critical for ecosystem services but may be disproportionately vulnerable.

Purpose of the Study:

  • To quantify tree-level mortality rates using high-resolution data.
  • To identify key predictors of tree mortality, especially during extreme drought.
  • To assess the relationship between tree size and mortality risk under varying environmental conditions.

Main Methods:

  • Utilized high-resolution airborne LiDAR and optical data for tree tracking.
  • Analyzed mortality rates for approximately 2 million trees in California over an 8-year period.
  • Investigated the influence of environmental gradients (temperature, water, competition) on tree mortality.

Main Results:

  • Tree height was identified as the strongest predictor of mortality during extreme drought.
  • Large trees exhibited mortality rates twice as high as small trees.
  • The relationship between tree height and mortality was modulated by environmental factors like temperature, water availability, and competition.

Conclusions:

  • Extreme drought conditions significantly increase the mortality risk for large trees.
  • Future persistent droughts may lead to widespread mortality of Earth's largest trees.
  • Understanding size-specific mortality is crucial for predicting forest ecosystem changes under climate change.