Climate change impacts on conifer growth and carbon sequestration

Research indicates that certain conifer species exhibit unexpected resilience to climate change. A study published in the journal Nature, led by researchers from the University of Talca and the Institute of Ecology and Biodiversity, found that pine species growing outside their natural distribution in the Southern Hemisphere can achieve growth rates up to four times higher than those in their native regions while maintaining high drought tolerance.

Complementary international research involving the CSIC challenges the assumption that global warming will increase the carbon sequestration capacity of forests. By analyzing over 50,000 wood samples across four continents, scientists discovered that while warmer temperatures may extend growing seasons, they do not necessarily increase wood production. The study found that the rate of xylogenesis—the process of producing new wood cells—does not increase indefinitely with heat. Instead, higher temperatures often coincide with reduced water availability, which slows down cell production, potentially offsetting the benefits of a longer growing season.