Ultraviolet lys: Forskelle mellem versioner

<ref>[http://www.yorku.ca/lel/ Amphibians and Ultraviolet Radiation] Citat: "...The more DOC [Disolved Organic Carbon], the less UVB that will penetrate beyond just the upper surface layers of water. For example, in a marsh with 13 mg C per liter of water, the surface level of UVB was reduced to 55% at just 1.4 cm deep; at 3.0 cm, the UVB was less than 5% of surface values, and at 5 cm depth, the UVB was just 2% of surface..."</ref>

 

 

==Kilder/referencer==