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Updated: Jun 11, 2025
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Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach
Published on: July 3, 2020
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The Relationship Between Maturation Size and Maximum Tree Size From Tropical to Boreal Climates.
Valentin Journé1, Michał Bogdziewicz2, Benoit Courbaud1
1Universite Grenoble Alpes, Institut National de Recherche Pour Agriculture, Alimentation et Environnement (INRAE), Laboratoire EcoSystemes et Societes En Montagne (LESSEM), Grenoble, France.
Ecology Letters
|October 2, 2024
Summary
Large tree species begin reproduction at smaller sizes than expected, especially in cold climates. Understanding tree maturation size is crucial for predicting forest responses to climate change.
Area of Science:
- Ecology
- Evolutionary Biology
- Forest Science
Background:
- The trade-off between reproduction and growth influences species' life history strategies.
- Estimating tree maturation size is challenging due to long lifespans, limiting global understanding of this trait.
Purpose of the Study:
- To estimate tree maturation sizes globally for 486 species across diverse climates.
- To investigate the relationship between maximum size and maturation size in trees.
- To identify climatic drivers influencing the tree maturation size trade-off.
Main Methods:
- Utilized seed production data from 486 tree species across five continents.
- Analyzed the relationship between species' maximum size and their estimated maturation size.
- Examined how climate, particularly temperature, affects relative maturation size.
Main Results:
- Tree maturation size increases with maximum size, but not proportionally.
- Larger tree species initiate reproduction at relatively smaller sizes than predicted by a proportional model.
- The relative maturation size decreases most sharply in colder climates.
Conclusions:
- The relationship between tree maximum and maturation size is complex and non-proportional.
- Climate, especially cold temperatures, significantly influences the evolution of tree reproductive strategies.
- These findings are vital for modeling forest dynamics under environmental change and disturbance.
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