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Updated: Jun 1, 2026
04:35
Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach
Published on: July 3, 2020
Probability of tree seedling establishment changes across a forest-old field edge gradient
Scott J Meiners1, Steward T A Pickett, Steven N Handel
1Department of Biological Sciences, Eastern Illinois University, 600 Lincoln Avenue, Charleston, Illinois 61920-3099 USA;
American Journal of Botany
|June 14, 2011
Summary
Forest edges significantly impact tree regeneration, with species-specific responses in seedling emergence, survival, and establishment. Understanding these edge effects is crucial for predicting forest composition and structure.
Area of Science:
- Ecology
- Forestry
- Plant Ecology
Background:
- Forest edges alter microclimate, species composition, and community structure.
- The specific role of forest edges in regulating forest regeneration remains understudied.
Purpose of the Study:
- To experimentally investigate the influence of forest edges on tree establishment.
- To determine species-specific responses of Acer rubrum, Acer saccharum, and Quercus palustris to edge gradients.
Main Methods:
- 100 1-m² plots were established in a grid spanning forest to old field.
- Seeds of three tree species were planted in each plot.
- Seedling emergence, survival, and establishment were monitored across the edge gradient.
Main Results:
- Acer saccharum and Quercus palustris emergence increased with distance into the old field.
- Acer rubrum emergence peaked near the edge before declining, with high seedling mortality.
- Establishment probabilities increased into the old field for A. saccharum and Q. palustris, with varied growth and allocation patterns.
Conclusions:
- Forest edges exert complex, species-specific influences on tree establishment and growth.
- These edge effects shape the spatial patterns and species composition of regenerating forests.
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