Effects of rising temperatures and [CO2] on the physiology of tropical forest trees
2008
Effects of Rising Temperatures and CO2 on Tropical Forest Trees
publication
Evidence: moderate
Author Information
Author(s): Lloyd Jon, Farquhar Graham D
Primary Institution: University of Leeds
Hypothesis
How do rising temperatures and increased CO2 levels affect the physiology and growth of tropical forest trees?
Conclusion
Tropical forests are likely to adapt to rising CO2 levels, which may offset any negative impacts from increased temperatures.
Supporting Evidence
- Tropical forests are not currently close to their optimal temperature range.
- Increases in photosynthetic rates due to higher CO2 levels may outweigh declines from higher temperatures.
- Current models suggest that temperature rises will not significantly impact growth productivity.
Takeaway
As the Earth gets warmer and CO2 levels rise, tropical trees can grow better, even if it gets a bit hotter.
Methodology
The study used observations and climate model outputs to analyze the effects of temperature and CO2 on photosynthesis and growth.
Limitations
The model predictions may not account for all environmental variables affecting tropical forests.
Digital Object Identifier (DOI)
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