Annual exposure to UV radiation Average observed skin reflectance High 68.9 (light) A 55.0 (moderate) Eccol 37.2 (dark) Low Figure 25.13 uV Radiation and Skin Pigmentation. The colors on this map indicate average annual exposure to UV radiation. The map also shows average skin reflectance among indigenous people from each zone. The higher the skin reflectance value, the lighter the pigmentation.

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