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

Structural Properties and Dimensions of Lumber01:21

Structural Properties and Dimensions of Lumber

276
Wood's structural properties derive from fibers aligned along the tree's length, contributing significantly to its mechanical strength. Wood exhibits up to twenty times greater tensile strength along these fibers compared to across them, and generally shows better performance under compression than tension. The length of fibers varies, with hardwoods having fibers around one twenty-fifth inch long and softwoods ranging from one-eighth to one-third inch.
The strength characteristics of...
276
Softwoods and Hardwoods01:28

Softwoods and Hardwoods

340
Softwoods and hardwoods, derived from different types of trees, are distinguished by their leaf structures and cellular compositions, each serving unique purposes in construction and manufacturing. Softwoods come from cone-bearing trees with needle-like leaves and are predominantly composed of longitudinal cells called tracheids and a smaller proportion of radial cells known as rays. Due to their cellular structure, softwoods are commonly used in construction for structural frames, sheathing,...
340
Structural Classification of Joints01:20

Structural Classification of Joints

6.2K
Joints, also known as articulations, are classified based on their structural characteristics, i.e., based on whether the articulating surfaces of the adjacent bones are directly connected by fibrous connective tissue or cartilage, or whether the articulating surfaces contact each other within a fluid-filled joint cavity. These differences serve to divide the joints of the body into three structural classifications.
A fibrous joint is where the adjacent bones are united by fibrous connective...
6.2K
Stability of structures01:14

Stability of structures

343
In mechanical engineering, the stability of systems under various forces is critical for designing durable and efficient structures. One fundamental way to explore these concepts is by analyzing systems like two rods connected at a pivot point, O, with a torsional spring of spring constant k at the pivot point. This system is similar in appearance to a scissor jack used to change tires on a car. In this case, the arms of the linkage (equivalent to the rods in this system) are entirely vertical,...
343
Introduction to Wood01:19

Introduction to Wood

465
Wood, derived from trees, is a versatile and widely used construction material. Trees feature a trunk surrounded by a protective layer of dead bark. Beneath this outer layer lies the living bark, followed by the cambium, and then the sapwood which transitions into heartwood as it matures. At the center of the trunk is the pith. The age of a tree can be discerned by examining its growth rings, which are concentric bands visible in the trunk's cross-section.
The structural integrity of the...
465
Global Climate Change01:50

Global Climate Change

28.0K
Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
28.0K

You might also read

Related Articles

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

Sort by
Same author

Contrasting patterns of alpine biodiversity across mountains and taxa worldwide.

Nature communications·2026
Same author

Height does not impair the hydraulic system of the tallest tropical Dipterocarp trees.

Science (New York, N.Y.)·2026
Same author

Water Released From Vessel Embolism May Temporarily Halt Further Embolism in Tropical Dipterocarp Trees.

Plant, cell & environment·2026
Same author

CT-based vascular invasion in pancreatic ductal adenocarcinoma compared with intraoperative and histological findings.

Insights into imaging·2026
Same author

Performance of GPT-based large language models in hepatocellular carcinoma stratification: liver function assessment, BCLC staging, and treatment recommendations.

Scientific reports·2026
Same author

Comparing Two Novel LiDAR-Based Indices for Quantifying Forest Structural Complexity.

Ecology and evolution·2026
Same journal

The BRCA1-A complex restricts replication fork reversal-dependent DNA repair in ATM deficient cells.

Nature communications·2026
Same journal

Signaling downstream of tumor-stroma interaction regulates mucinous colorectal adenocarcinoma apicobasal polarity.

Nature communications·2026
Same journal

Click-polymerized polyenamine membranes for efficient lithium extraction.

Nature communications·2026
Same journal

Joint trajectories of brain atrophy, white matter hyperintensities and cognition quantify brain maintenance.

Nature communications·2026
Same journal

Proton shuttling at electrochemical interfaces under alkaline hydrogen evolution.

Nature communications·2026
Same journal

metilene<sup>3</sup>: identifying DMRs across multiple conditions with auto-classification.

Nature communications·2026
See all related articles

Related Experiment Video

Updated: Nov 20, 2025

Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach
04:35

Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach

Published on: July 3, 2020

3.6K

Global patterns and climatic controls of forest structural complexity.

Martin Ehbrecht1, Dominik Seidel2, Peter Annighöfer3

  • 1Silviculture and Forest Ecology of the Temperate Zones, University of Göttingen, Büsgenweg 1, 37077, Göttingen, Germany. martin.ehbrecht@forst.uni-goettingen.de.

Nature Communications
|January 23, 2021
PubMed
Summary
This summary is machine-generated.

Forest structural complexity, vital for ecosystem function and biodiversity, is primarily driven by annual precipitation and its seasonality. This study maps global patterns and predicts future changes, revealing links to plant diversity hotspots.

More Related Videos

A Technical Perspective in Modern Tree-ring Research - How to Overcome Dendroecological and Wood Anatomical Challenges
09:33

A Technical Perspective in Modern Tree-ring Research - How to Overcome Dendroecological and Wood Anatomical Challenges

Published on: March 5, 2015

29.4K
Advanced Workflow for Taking High-Quality Increment Cores - New Techniques and Devices
07:40

Advanced Workflow for Taking High-Quality Increment Cores - New Techniques and Devices

Published on: March 10, 2023

2.6K

Related Experiment Videos

Last Updated: Nov 20, 2025

Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach
04:35

Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach

Published on: July 3, 2020

3.6K
A Technical Perspective in Modern Tree-ring Research - How to Overcome Dendroecological and Wood Anatomical Challenges
09:33

A Technical Perspective in Modern Tree-ring Research - How to Overcome Dendroecological and Wood Anatomical Challenges

Published on: March 5, 2015

29.4K
Advanced Workflow for Taking High-Quality Increment Cores - New Techniques and Devices
07:40

Advanced Workflow for Taking High-Quality Increment Cores - New Techniques and Devices

Published on: March 10, 2023

2.6K

Area of Science:

  • Ecology
  • Forest Science
  • Biodiversity Research

Background:

  • Forest structural complexity is key to ecosystem functions and biodiversity.
  • Global patterns and drivers of forest structural complexity are not well understood.
  • Understanding these patterns is crucial for conservation and climate change adaptation.

Purpose of the Study:

  • To quantify global forest structural complexity using a novel index.
  • To identify the main environmental determinants of forest structural complexity.
  • To model and map potential forest structural complexity across Earth's ecoregions.

Main Methods:

  • Developed a stand structural complexity index using terrestrial laser scanning (TLS).
  • Quantified structural complexity in primary forests across boreal, temperate, subtropical, and tropical biomes.
  • Modeled potential structural complexity based on primary forest benchmarks and climate data.

Main Results:

  • Annual precipitation and precipitation seasonality explained 89% of global variation in forest structural complexity.
  • Distinct latitudinal patterns in forest structure were identified.
  • Hotspots of high structural complexity spatially coincided with hotspots of plant diversity.

Conclusions:

  • Forest structural complexity is strongly predictable from climate variables, particularly precipitation.
  • Climate change may lead to spatially variable alterations in forest structure across biomes.
  • The findings highlight the importance of structural complexity for biodiversity and suggest conservation implications under climate change.