Articles, Books and Chapters





Korbee Peinado, N., R. T. Abdala Díaz, F. L. Figueroa & E. W. Helbling. 2004. Ammonium and UV Radiation stimulate the accumulation of mycosporine like amino acids in Porphyra columbina (Rhodophyta) from Patagonia, Argentina.  Journal of Phycology, 40: 248-259. Science Citation Index ISI 2.58

Villafañe, V.E., M.A. Marcoval & E.W. Helbling. 2004. Photosynthesis vs. irradiance characteristics in phytoplankton assemblages off Patagonia (Argentina): Temporal variability and solar UVR effects. Marine Ecology Progress Series, 284: 23-34. Science Citation Index ISI 2.315

Villafañe, V. E., A. G. J. Buma, P. Boelen & E. W. Helbling. 2004. Solar UVR-induced DNA damage and inhibition of photosynthesis in phytoplankton from Andean lakes of Argentina. Archiv für Hydrobiologie, 161: 245-266. Science Citation Index ISI 1.020

Häder, D-P., M. Lebert & E. W. Helbling. 2004. Variable fluorescence parameters in the filamentous Patagonian Rhodophytes, Ceramium sp. and Callithamnion gaudichaudii under solar radiation. Journal of Photochemistry and Photobiology. B. Biology, 73: 87-99. Science Citation Index ISI 1.841

Helbling, E. W., E. S. Barbieri, R. P. Sinha, V. E. Villafañe & D.-P. Häder. 2004. Dynamics of potentially protective compounds in Rhodophyta species from Patagonia (Argentina) exposed to solar radiation. Journal of Photochemistry and Photobiology. B: Biology, 75: 63-71. Science Citation Index ISI 1.841 

Villafañe, V. E., E. S. Barbieri & E. W. Helbling. 2004. Annual patterns of ultraviolet radiation effects on temperate marine phytoplankton off Patagonia, Argentina. Journal of Plankton Research, 26: 167-174. Science Citation Index ISI 1.189