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

Convergent Evolution01:54

Convergent Evolution

32.8K
Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.
32.8K
Region of Convergence01:17

Region of Convergence

924
The z-transform is a powerful mathematical tool used in the analysis of discrete-time signals and systems. It is a crucial tool in the analysis of discrete-time systems, but its convergence is limited to specific values of the complex variable z. This range of values, known as the Region of Convergence (ROC), is fundamental in determining the behavior and stability of a system or signal. The ROC defines the region in the complex plane where the z-transform converges, which can take various...
924
Convergence of Fourier Series01:21

Convergence of Fourier Series

400
The Fourier series is a powerful mathematical tool for representing periodic signals as an infinite sum of complex exponentials. In practice, this infinite series is truncated to a finite number of terms, yielding a partial sum. This truncation makes the approximation of the signal feasible but introduces certain challenges, particularly near discontinuities, known as the Gibbs phenomenon.
The Gibbs phenomenon refers to the persistent oscillations and overshoots that occur near discontinuities...
400
Region of Convergence of Laplace Tarnsform01:20

Region of Convergence of Laplace Tarnsform

1.1K
The Region of Convergence (ROC) is a fundamental concept in signal processing and system analysis, particularly associated with the Laplace transform. The ROC represents an area in the complex plane where the Laplace transform of a given signal converges, determining the transform's applicability and utility.
Consider a decaying exponential signal that begins at a specific time. When deriving its Laplace transform, the time-domain variable is replaced with a complex variable. This...
1.1K
Keystone Species01:39

Keystone Species

24.7K
Measures of species biodiversity, such as richness (i.e., the number of species present) and evenness (i.e., their relative abundance), describe an ecological community’s structure. Many factors affect community structure, including abiotic factors (e.g., sunlight and nutrients), disturbances (e.g., fire or flood), species interactions (e.g., predation or competition), and chance events (e.g., foreign species invasion). Certain species—such as keystone species—also play a...
24.7K
Habitat Fragmentation02:31

Habitat Fragmentation

21.4K
Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
21.4K

You might also read

Related Articles

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

Sort by
Same author

Adaptation and Response in Drylands: A Dryland Research Agenda and Campaign Strategy.

Global change biology·2026
Same author

Association between air temperature and COVID-19 emergency department visits in Ontario, Canada: A population-based case-crossover study.

International journal of hygiene and environmental health·2026
Same author

Overlooked Effects of Nighttime Vapor Pressure Deficit on Extratropical Northern Hemisphere Vegetation Productivity.

Global change biology·2026
Same author

A meta-analysis of carbon losses and gains from tropical moist forest degradation and regeneration.

Science advances·2026
Same author

Vegetation browning patterns under compound soil and atmospheric dryness in northern permafrost ecosystems.

Nature communications·2026
Same author

Observation-constrained sensitivities of Arctic methane emissions to warming.

Proceedings of the National Academy of Sciences of the United States of America·2026

Related Experiment Video

Updated: Jan 31, 2026

Methods of Soil Resampling to Monitor Changes in the Chemical Concentrations of Forest Soils
09:16

Methods of Soil Resampling to Monitor Changes in the Chemical Concentrations of Forest Soils

Published on: November 25, 2016

17.4K

Pantropical moist forests are converging towards a middle leaf longevity.

Meimei Xue1, Xueqin Yang1,2, Xiuzhi Chen3

  • 1Guangdong Province Data Center of Terrestrial and Marine Ecosystems Carbon Cycle, School of Atmospheric Sciences, School of Ecology, Sun Yat-sen University, Zhuhai, China.

Nature Communications
|January 29, 2026
PubMed
Summary

Climate change is altering leaf longevity across pantropical forests. Long-lived leaves are shortening, while short-lived leaves are lengthening, leading to a more uniform leaf longevity range.

More Related Videos

Leaf Area Index Estimation Using Three Distinct Methods in Pure Deciduous Stands
09:04

Leaf Area Index Estimation Using Three Distinct Methods in Pure Deciduous Stands

Published on: August 29, 2019

14.2K
Simulating Impacts of Ice Storms on Forest Ecosystems
06:27

Simulating Impacts of Ice Storms on Forest Ecosystems

Published on: June 30, 2020

7.4K

Related Experiment Videos

Last Updated: Jan 31, 2026

Methods of Soil Resampling to Monitor Changes in the Chemical Concentrations of Forest Soils
09:16

Methods of Soil Resampling to Monitor Changes in the Chemical Concentrations of Forest Soils

Published on: November 25, 2016

17.4K
Leaf Area Index Estimation Using Three Distinct Methods in Pure Deciduous Stands
09:04

Leaf Area Index Estimation Using Three Distinct Methods in Pure Deciduous Stands

Published on: August 29, 2019

14.2K
Simulating Impacts of Ice Storms on Forest Ecosystems
06:27

Simulating Impacts of Ice Storms on Forest Ecosystems

Published on: June 30, 2020

7.4K

Area of Science:

  • Ecology
  • Climate Change Biology
  • Forest Science

Background:

  • Leaf longevity is a key plant trait influencing ecosystem function in tropical forests.
  • Spatiotemporal variations in leaf longevity and their response to climate change remain poorly understood.

Purpose of the Study:

  • To map continental-scale leaf longevity variability in pantropical moist forests from 2001-2023.
  • To investigate biome-dependent trends and mechanisms of leaf longevity changes under climate change.

Main Methods:

  • Utilized ground measurements and gridded leaf age-dependent leaf area index data.
  • Analyzed annual mean leaf longevity across pantropical moist forests over a 23-year period.

Main Results:

  • Observed biome-dependent trends in leaf longevity, with decreases in Amazon and tropical Asia, and increases in Congo and subtropical Asia.
  • Identified rising temperatures and atmospheric dryness as drivers of decreased leaf longevity in long-lived forests.
  • Documented a convergence of leaf longevity towards a middle range across pantropical forests.

Conclusions:

  • Pantropical forests are exhibiting large-scale structural and functional adaptations to climate change.
  • The convergence in leaf longevity may enhance ecosystem resilience and resistance to climate variability.
  • Findings aid in predicting climate-driven risks to ecosystem stability.