Why leaves turn red, it is because this particular pigment anthocyanin. In the fall, as the temperature decreased, day and night temperature difference increases, less light, enabling the formation of anthocyanins, such as leaves maple tree leaf cells acidic solution at this time, the leaves will be red. By the topography, local climate and the different effects of sunlight, and because the temperature increases with the height of the mountain reduced, so plant leaves turn red in the region and the time is different. High mountain cold, it leaves to red, than the earlier low-lying areas. As the most beautiful autumn scenery, Sichuan leaves the viewing period is generally about 1 month.
Watch: 10 later this month Watch Index: ★
Slightly higher elevations, the leaves change color 10% -35%, the leaves gradually turn red, leaves sporadically dotted in the mountains.
Watch: 10 early in late -11
Watch Index: ★ ★
Lower elevations, the leaves change color of 35% -50%, partial leaves from green to red, the formation of forest the size of uneven color, red and green scenery, do not have some features.
Watch the time: early November Watch Index: ★ ★ ★
Representative leaves 50% -65% color change, almost half of the leaves of trees have red leaves, red leaves, wait for them to use the camera captures every piece of red leaves, each a beautiful moment.
Watch: 11 mid-watch index: ★ ★ ★ ★
On behalf of the leaves was 65% -85% color, scarlet, crimson, purple and other color dye outlines the storied beauty, is the best view of the leaves.
Watch: 11 mid-to late May watch index -12: ★ ★ ★ ★ ★
On behalf of the leaves was 85% -95% color change at this time of high altitude has been basically withered leaves, this is the last opportunity to tour the red, leaves are dark red.
Source: Huaxi Dushi Bao
