Ruskokausi
Ruskokausi, often translated as "autumn foliage season" or simply "fall colors," refers to the annual period when deciduous trees in temperate regions change their leaf colors. This phenomenon is driven by the shortening days and cooler temperatures of autumn, which signal trees to prepare for winter. As chlorophyll production decreases, the green pigment breaks down, revealing other pigments like carotenoids (responsible for yellow and orange hues) and anthocyanins (which produce red and purple colors).
The exact timing and intensity of Ruskokausi vary geographically and year to year, influenced by factors such