Effects of UV-B radiation and simulated herbivory on phlorotannins in the brown alga Ascophyllum nodosum

  title={Effects of UV-B radiation and simulated herbivory on phlorotannins in the brown alga Ascophyllum nodosum},
  author={Henrik Pavia and Gunnar Cervin and Annelie Lindgren and Per {\AA}berg},
Models and experiments seelung to explain intraspec~f~c variation in brown algal phlorotannins (polyphenolics) have mainly focused on the effect of 2 factors, herbivory and resource availability (carbon/nutrients). The possible importance of other biotic and abiotic factors, e.g. pathogenlc micro-organisms, heavy metals and UV radiation, has often been suggested but only rarely experimentally tested. In the present study the effects of increased UV-B irradiance and simulated grazing (clipping… CONTINUE READING
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