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Population-specific climate sensitive top height curves and their applications to assisted migration
Dawei Luo1,2, Gregory A O'Neill3, Yuqing Yang4
1Department of Renewable Resources, University of Alberta, 442 Earth Science Buildings, Edmonton, AB T6G 2E3 Canada.
European Journal of Forest Research
|October 25, 2024
Summary
Climate change impacts forest growth. New models integrating assisted migration and climate data improve predictions for lodgepole pine and white spruce, maintaining forest productivity.
Area of Science:
- Forestry and Climate Change
- Population Genetics
- Forest Ecology
Background:
- Climate change poses risks to forest plantation growth and yield due to maladaptation.
- Current genecology models for assisted migration do not fully account for cumulative growth impacts or age-related climate responses.
Purpose of the Study:
- To develop population-specific, climate-sensitive top height curves for interior lodgepole pine and white spruce.
- To integrate Universal Response Functions into a growth and yield model (GYPSY) to predict climate change impacts.
- To guide assisted migration strategies for mitigating climate change effects on forest productivity.
Main Methods:
- Utilized provenance trial data for interior lodgepole pine and white spruce in western Canada.
- Integrated Universal Response Functions into top height curves within the GYPSY model.
- Developed population-specific climate-sensitive top height curves.
Main Results:
- Climate change is projected to cause varied effects on forest productivity, with some areas declining by the 2050s.
- Assisted migration with optimally selected populations can maintain or enhance provincial-scale forest productivity.
- The new models accurately estimate climate change impacts on top height for diverse populations.
Conclusions:
- A novel approach for incorporating assisted migration into forest management has been established.
- Climate-sensitive models are crucial for mitigating negative climate change impacts on forests.
- Optimized assisted migration strategies are vital for sustainable forest productivity under climate change.
Keywords:
Assisted migrationClimate changeLodgepole pineTop heightUniversal Response FunctionWhite spruceMore Related Videos
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