Related Experiment Video
Updated: Dec 1, 2025
04:35
Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach
Published on: July 3, 2020
3.6K
Modeling Ambitions Outpace Observations of Forest Carbon Allocation
Flurin Babst1, Andrew D Friend2, Maria Karamihalaki1
1W. Szafer Institute of Botany, Polish Academy of Sciences, Lubicz 46, 31-512 Krakow, Poland; Swiss Federal Research Institute WSL, Zürcherstrasse 111, 8903 Birmensdorf, Switzerland.
Trends in Plant Science
|November 10, 2020
Summary
Forest carbon cycling models need more data. Current flux-tower sites lack sufficient empirical evidence for tree-centered vegetation models, highlighting a critical need for new research.
Area of Science:
- Ecology
- Forestry
- Climate Science
Background:
- Tree-centered vegetation models are increasingly called for to improve forest carbon (C) cycling predictions.
- Existing flux-tower site data are insufficient to support the development of these advanced models.
- A gap exists in empirical data for understanding C uptake and allocation in mature trees across diverse environments.
Purpose of the Study:
- To highlight the inadequacy of current empirical data for tree-centered vegetation modeling.
- To propose a framework for generating essential cross-scale data on tree carbon dynamics.
- To advocate for a new generation of studies integrating ecosystem monitoring and manipulative experiments.
Main Methods:
- Global survey of flux-tower sites to assess data availability.
- Proposal of an experimental framework for collecting data on carbon uptake and allocation.
- Emphasis on pairing long-term ecosystem monitoring with manipulative experiments on mature trees.
Main Results:
- A global survey revealed insufficient empirical data to support tree-centered vegetation models.
- Existing data are not adequately distributed across environmental gradients.
- A significant need for data from underrepresented regions, particularly tropical forests, was identified.
Conclusions:
- Urgent need for a new generation of studies with strategic data collection across environmental gradients.
- Implementation of a versatile experimental framework is crucial for building comprehensive carbon cycling data archives.
- Global coordination and realistic data collection priorities are essential for advancing tree-centered vegetation modeling.
Related Concept Videos
01:12Modeling and Similitude
474
Scaled modeling is a fundamental technique in engineering, enabling the study of large and complex systems by creating smaller, manageable replicas that recreate critical characteristics of the original. In hydrology and civil infrastructure, for example, scaled models of dams help analyze water flow, turbulence, and pressure. This method allows for accurate predictions of real-world behavior within a controlled environment, significantly reducing the cost and time involved in full-scale...
474
01:14The Carbon Cycle
42.6K
Carbon is the basis of all organic matter on Earth, and is recycled through the ecosystem in two primary processes: one in which carbon is exchanged among living organisms, and one in which carbon is cycled over long periods of time through fossilized organic remains, weathering of rocks, and volcanic activity. Human activities, including increased agricultural practices and the burning of fossil fuels, has greatly affected the balance of the natural carbon cycle.
42.6K
00:51Energy Budgets
10.3K
Organisms must balance energy intake with the energy required for growth, maintenance and reproduction. These trade-offs result in a variety of survivorship and reproductive strategies, including semelparity and iteroparity. Semelparous species, like annual plants, have only one reproductive episode in their lifetimes and consequently have short lifespans. Iteroparous species, by contrast, have many reproductive events during their lifetimes but have relatively few offspring. These two...
10.3K
00:48Optimal Foraging
13.0K
How animals obtain and eat their food is called foraging behavior. Foraging can include searching for plants and hunting for prey and depends on the species and environment.
13.0K
01:28Carbon-dioxide Fixation
355
Carbon dioxide fixation in prokaryotes enables the assimilation of inorganic carbon into organic molecules, supporting biosynthetic pathways, sustaining ecosystems, and contributing to the global carbon cycle. It also has industrial applications in carbon capture and bioproduct synthesis. Autotrophic organisms rely on this process to utilize CO₂ as a carbon source in diverse environments.The Calvin CycleThe Calvin cycle is the most widespread carbon fixation mechanism, primarily used by...
355
02:30Naturalistic Observations
16.8K
If you want to understand how behavior occurs, one of the best ways to gain information is to simply observe the behavior in its natural context. However, people might change their behavior in unexpected ways if they know they are being observed. How do researchers obtain accurate information when people tend to hide their natural behavior? As an example, imagine that your professor asks everyone in your class to raise their hand if they always wash their hands after using the restroom. Chances...
16.8K