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The effect of total solar. radiation on nutrient concentration (mean values for 11 chrysanthemum cultivars) is. summarized in Figs 2â9. The increase of radiation (in MJ m-2) caused decreased. concentration of nitrogen, phosphorus, potassium, calcium, magnesium, cuprum and. boron in chrysanthemum leaves.
Studies continue to determine. the impact of UV radiation on phytoplankton and. krill, which are at the base of the marine food. chain. A decline in these species could have. catastrophic effects on the worldâs food supply. Likewise, increases in UV radiation would also. lead to higher incidences of skin cancer and. cataracts, and cause damage to the human. immune system.