Effect of Ultraviolet-B Radiation on Salt Marsh Vegetation: Trends of the Genus Salicornia along the Americas

From: Photochemistry and Photobiology | Date: July 1, 2006| Author: Armstrong, R; Detrà Et al; Koch, E W; © Costa, C S B; s, Y | Copyright information

ABSTRACT

The effects of natural UV-B radiation on growth, photosynthetic and photoprotective pigment composition of different Salicornia species were analyzed in salt marshes at three different sites along the Americas (Puerto Rico, southern Brazil and Patagonia, Argentina). Plants were exposed to different levels of UV-B radiation for 1-2 years in situ as well as in outdoor garden UV-B exclusion experiments. Different UV-B levels were obtained by covering plants with UV-B opaque (bloc...

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