The researchers studied how much carbon plants in forests stored in Guangdong Province from 1979 to 2012 and what affected this storage. They found that carbon storage in Guangdong's forests went up by 15,087.93 × 104 tons and that the carbon density increased by 17.66 tons per hectare during this time. After 2007, more broadleaf plants started holding most of the carbon in the forests instead of coniferous trees. Forests in the northern part of Guangdong had more carbon than those in the south. The age of the forests also influenced how much carbon they stored, with younger and middle-aged forests holding most of it. Factors like the size of the trees and the environment around them helped increase carbon storage, while things growing under the trees reduced it. This study shows that Guangdong Province's forests are keeping more carbon over time, which is essential for the environment.