Tropical forests spanning 57 million hectares are experiencing heat conditions that impair photosynthesis efficiency, according to recent findings. These areas have already exceeded average critical temperature limits, affecting the fundamental biological process by which trees capture carbon from the atmosphere.
Excessive heat is reducing the capacity of trees in these forests to photosynthesize effectively. This degradation of photosynthetic function has direct implications for the carbon cycle, as trees become less efficient at converting atmospheric carbon dioxide during periods of elevated temperatures.
Projections indicate that the extent of tropical forest areas affected by these heat-related photosynthetic limitations will increase significantly in the future. The research highlights how rising temperatures pose a critical threat to the functioning of some of the world's most important forest ecosystems and their role in carbon sequestration.
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