Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Ecological Succession

Ecological Succession

Ecological succession is influenced by the processes of facilitation, inhibition, and toleration. Facilitation occurs when early successional species create more favorable ecological conditions for subsequent species, such as enhanced nutrient, water, or light availability. In contrast, inhibition happens when early successional species create unfavorable ecological conditions for potential successive species, such as limiting resource availability. In some cases, later successional species...

Meristems and Plant Growth

Meristems and Plant Growth

Plants grow throughout their lives; this is called indeterminate growth, and it distinguishes plants from most animals. Although certain parts of plants stop growing (e.g., leaves and flowers), others grow continuously—like roots and stems.

Primary and Secondary Growth in Roots and Shoots

Primary and Secondary Growth in Roots and Shoots

Vascular plants, which account for over 90% of the Earth’s vegetation, all undergo primary growth—which lengthens roots and shoots. Many land plants, notably woody plants, also undergo secondary growth—which thickens roots and shoots.

Xylem and Transpiration-driven Transport of Resources

Xylem and Transpiration-driven Transport of Resources

The xylem of vascular plants distributes water and dissolved minerals that are taken up by the roots to the rest of the plant. The cells that transport xylem sap are dead upon maturity, and the movement of xylem sap is a passive process.

Multipotency and Niche of Bulge Stem Cell

Multipotency and Niche of Bulge Stem Cell

A hair follicle or HF is a small part of the skin that produces the hair shaft. Paul Gerson Unna was the first to observe a bulge in the human hair follicle's outer root sheath (ORS). The bulge is present between the sebaceous gland and the arrector pili muscle and is the niche for hair follicle stem cells (HFSCs). The bulge is also a niche for melanocyte stem cells, and their loss results in graying of hair. The HFSCs express Sox9 and Lhx2, which help them maintain stemness and prevent...

Exponential Equations for Modeling Growth

Exponential Equations for Modeling Growth

Exponential models are essential for describing rapid, multiplicative changes in natural systems, such as population growth. When a population doubles at regular intervals, the process can be modeled using a suitable base. For instance, a bacterial culture that doubles every three hours follows the model n(t)=n0⋅2t/3, where n(t) is the population at the time t.A more general model uses the natural base e, especially for continuous growth. This takes the form n(t)=n0⋅ert, where r is the relative...

You might also read

Related Articles

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

Sort by

Same author

Root growth and physiology of potted and field-grown trembling aspen exposed to tropospheric ozone.

Tree physiology·1996

Same author

An interregional validation of ECOPHYS, a growth process model of juvenile poplar clones.

Tree physiology·1994

Same author

Effects of leaf display on light interception and apparent photosynthesis in two contrasting Populus cultivars during their second growing season.

Tree physiology·1990

Same author

Crown architecture of Populus clones as determined by branch orientation and branch characteristics.

Tree physiology·1990

Same author

Validation of photosynthate production in ECOPHYS, an ecophysiological growth process model of Populus.

Tree physiology·1990

Same author

A morphological index of Quercus seedling ontogeny for use in studies of physiology and growth.

Tree physiology·1986

Search research articles

Related Experiment Video

Updated: Jul 26, 2026

The Use of Induced Somatic Sector Analysis (ISSA) for Studying Genes and Promoters Involved in Wood Formation and Secondary Stem Development

The Use of Induced Somatic Sector Analysis (ISSA) for Studying Genes and Promoters Involved in Wood Formation and Secondary Stem Development

Published on: October 5, 2016

ECOPHYS: An ecophysiological growth process model for juvenile poplar.

H. M. Rauscher¹, J. G. Isebrands, G. E. Host

¹USDA Forest Service, North Central Forest Experiment Station, Grand Rapids, MN 55744, USA.

Tree Physiology

|December 1, 1990

Summary

The ECOPHYS model simulates juvenile poplar growth by focusing on leaf-level processes and environmental factors. This ecophysiological model aids research into plant growth dynamics and responses to varying conditions.

More Related Videos

In Vivo Leaf Inoculation: An Alternative Method to Assess the Disease Resistance of Hybrid Clones in Poplar Breeding of Stem Canker Disease

In Vivo Leaf Inoculation: An Alternative Method to Assess the Disease Resistance of Hybrid Clones in Poplar Breeding of Stem Canker Disease

Published on: September 20, 2024

Poplar Adventitious Roots Induced by Stem Canker Pathogens: An Experimental System for Studying Roots Biology and Light Response-Related Processes

Poplar Adventitious Roots Induced by Stem Canker Pathogens: An Experimental System for Studying Roots Biology and Light Response-Related Processes

Published on: October 11, 2024

Related Experiment Videos

Last Updated: Jul 26, 2026

The Use of Induced Somatic Sector Analysis (ISSA) for Studying Genes and Promoters Involved in Wood Formation and Secondary Stem Development

The Use of Induced Somatic Sector Analysis (ISSA) for Studying Genes and Promoters Involved in Wood Formation and Secondary Stem Development

Published on: October 5, 2016

In Vivo Leaf Inoculation: An Alternative Method to Assess the Disease Resistance of Hybrid Clones in Poplar Breeding of Stem Canker Disease

In Vivo Leaf Inoculation: An Alternative Method to Assess the Disease Resistance of Hybrid Clones in Poplar Breeding of Stem Canker Disease

Published on: September 20, 2024

Poplar Adventitious Roots Induced by Stem Canker Pathogens: An Experimental System for Studying Roots Biology and Light Response-Related Processes

Poplar Adventitious Roots Induced by Stem Canker Pathogens: An Experimental System for Studying Roots Biology and Light Response-Related Processes

Published on: October 11, 2024

Area of Science:

Plant ecophysiology
Forestry science
Computational biology

Background:

Understanding juvenile poplar growth is crucial for sustainable forestry.
Ecophysiological models provide insights into plant responses to environmental factors.
Previous models may not fully capture leaf-level dynamics and resource allocation.

Purpose of the Study:

To introduce and describe the ECOPHYS model for simulating juvenile poplar growth.
To detail the theoretical underpinnings of the ECOPHYS model, emphasizing leaf-level control.
To present verification, sensitivity analyses, and applications of the ECOPHYS model.

Main Methods:

Development of an ecophysiological growth process model (ECOPHYS).
Incorporation of key drivers: solar radiation, temperature, and clonal traits.
User interaction for input variable manipulation to study effects on photosynthesis and growth.

Main Results:

The ECOPHYS model simulates growth based on leaf-level photosynthesis and resource allocation.
Verification and sensitivity analyses confirm model stability and responsiveness.
Demonstrated utility of ECOPHYS as a research tool through illustrative examples.

Conclusions:

The ECOPHYS model offers a robust framework for studying juvenile poplar ecophysiology.
Leaf-level processes and microenvironment interactions are critical determinants of plant growth.
The model has potential for research and understanding plant responses to environmental changes.