Helbling, E.W., P. Carrillo, J.M. Medina-Sánchez, C. Durán, G. Herrera, M. Villar-Argaiz & V.E. Villafañe – 2013 - Interactive effects of vertical mixing, nutrients and ultraviolet radiation: In situ photosynthetic responses of phytoplankton from high mountain lakes of Southern Europe. Biogeosciences 10: 1037-1050. Science Citation Index ISI 3.859.
Halac, S.R., S.D. Guendulain-García, V.E. Villafañe, E.W. Helbling & A.T. Banaszak – 2013 - Responses of tropical plankton communities from the Mexican Caribbean to solar ultraviolet radiation exposure and increased temperature. Journal of Experimental Marine Biology and Ecology, 445: 99-107. Science Citation Index ISI 1.875.
Villafañe, V.E., A.T. Banaszak; S.D. Guendulain-García; S. M. Strauch; S.R. Halac & E. W. Helbling – 2013 - Influence of seasonal variables associated with climate change on photochemical diurnal cycles of marine phytoplankton from Patagonia (Argentina). Limnology and Oceanography, 58: 203-314. Science Citation Index ISI 3.385.
Jin, P. K.Gao, V.E. Villafañe, D.A. Campbell & E.W. Helbling – 2013 - Ocean acidification alters the photosynthetic responses of the coccolithophorid Gephyrocapsa oceanica to fluctuating visible and UV radiation. Plant Physiology, 162: 2084-2094. Science Citation Index ISI 6.535.
Manrique, J.M., A.Y. Calvo, S.R. Halac, V.E. Villafañe, L.R. Jones & E.W. Helbling – 2012 - Effects of UV radiation on the taxonomic composition of natural bacterioplankton communities from Bahía Engaño (Patagonia, Argentina). Journal of Photochemistry and Photobiology B: Biology, 117: 171-178. Science Citation Index ISI 2.814.
Ma, Z, E.W. Helbling, W. Li, V.E. Villafañe, K. Gao – 2012- Motility and photosynthetic responses of the green microalga Tetraselmis subcordiformis to visible and UV light levels. Journal of Applied Phycology 6: 1613-1621. Science Citation Index ISI 1.792.
Li, Y., K. Gao, V.E. Villafañe & E.W. Helbling – 2012 - Ocean acidification mediates the photosynthetic response to UV radiation and temperature increase in the diatom Phaeodactylum tricornutum. Biogeosciences, 9: 3931-3942. Science Citation Index ISI 3.587.
Gao, K., E.W. Helbling, D-P. Häder & D.A. Hutchins – 2012 - Ocean acidification and marine primary producers under the sun: a review of interactions between CO2, warming, and solar radiation. Marine Ecology Progress Series 470: 167-180. Science Citation Index ISI 2.711
Andrady, A.L,.P.J. Aucamp, A.T. Austin, A.F. Bais, C.L. Ballaré, L.O. Björn, J.F. Bornman, M. Caldwell, A.P. Cullen, D.J. Erickson, F.R. de Gruijl, D.-P. Häder, E.W. Helbling, M. Ilyas, J. Longstreth, R. Lucas, R.L. McKenzie, S. Madronich, M. Norval, N.D. Paul, H.H. Redhwi, S. Robinson, M. Shao, K.R. Solomon, B. Sulzberger, Y. Takizawa, X. Tang, A. Torikai, J.C. van der Leun, C.E. Williamson, S.R. Wilson, R. C. Worrest & R.G. Zepp. United Nations Environment Programme, Environmental Effects Assessment Panel – 2012 - Environmental effects of ozone depletion and its interactions with climate change: progress report, 2011. Photochemical and Photobiological Sciences, 11: 13-27. Science Citation Index ISI 2.708
Gonçalves, R.J., V.E. Villafañe, C.D. Medina, E.S. Barbieri & E.W. Helbling - 2011 - Plankton dynamics and photosynthesis responses in a eutrophic lake in Patagonia (Argentina): Influence of grazer abundance and UVR. Latin American Journal of Aquatic Research, 39: 117-130. Science Citation Index ISI 0.435
Xu, K., K. Gao, V.E. Villafañe & E.W. Helbling – 2011 - Photosynthetic responses of Emiliania huxleyi to UV radiation and elevated temperature: roles of calcified coccoliths. Biogeosciences, 8: 1441-1452. Science Citation Index ISI 3.246
Helbling, E.W., A.G.J. Buma, P. Boelen, H.J. van der Strate, M.V. Fiorda Giordanino & V.E. Villafañe - 2011 - Increase in Rubisco activity and gene expression due to elevated temperature partially counteracts ultraviolet radiation–induced photoinhibition in the marine diatom Thalassiosira weissflogii. Limnology and Oceanography, 56: 1330-1342. Science Citation Index ISI 3.663
Häder D.-P., E.W. Helbling, C.E. Williamson & R.C. Worrest – 2011 - Effects of UV radiation on aquatic ecosystems and interactions with climate change. Photochemical and Photobiological Sciences, 10: 242-260. Science Citation Index ISI 2.708
Fiorda Giordanino, M.V., S.M. Strauch, V.E. Villafañe & E.W. Helbling – 2011 - Influence of temperature and UVR on photosynthesis and morphology of four species of cyanobacteria. Journal of Photochemistry and Photobiology. B: Biology, 103: 68-77. Science Citation Index ISI 1.871
Hernández Moresino, R.D., R.J. Gonçalves & E.W. Helbling – 2011 - Sublethal effects of ultraviolet radiation on crab larvae of Cyrtograpsus altimanus. Journal of Experimental Marine Biology and Ecology, 407: 363-369. Science Citation Index ISI 1.91
Van de Poll W.H., A.G.J. Buma, R.J.W. Visser, P.J. Janknegt, V.E. Villafañe & E.W. Helbling – 2010 - Xanthophyll cycle activity and photosynthesis of Dunaliella tertiolecta (Chlorophyceae) and Thalassiosira weissflogii (Bacillariophyceae) during fluctuating solar radiation. Phycologia, 49: 249-259. Science Citation Index ISI 1.358
Halac, S.R., V.E. Villafañe & E.W. Helbling – 2010 - Temperature benefits the photosynthetic performance of the diatoms Chaetoceros gracilis and Thalassiosira weissflogii when exposed to UVR. Journal of Photochemistry and Photobiology. B: Biology, 101: 196-205. Science Citation Index ISI 1.871
Wu, Y, K. Gao, G. Li & E. W. Helbling – 2010 - Seasonal impacts of solar UV Radiation on photosynthesis of phytoplankton assemblages in the coastal water of the South China Sea Photochemistry and Photobiology, 86: 586-592. Science Citation Index ISI 2. 287
Hernández Moresino, R. D. & E. W. Helbling – 2010 - Combined effects of UVR and temperature on the survival of crab larvae (Zoea I) from Patagonia: The role of UV-absorbing compounds. Marine Drugs, 8: 1681-1698. Science Citation Index ISI 2.863
Gonçalves, R.J., S. Souza, J. Aigo, B. Modenutti, E. Balseiro, V.E. Villafañe, V. Cussac & E.W. Helbling - 2010 - Responses of plankton and fish from temperate zones to UVR and temperature in a context of global change. Ecología Austral, 20:129-153.
Helbling, E.W., D.E. Pérez, C.D. Medina, M.G. Lagunas & V. E. Villafañe. - 2010 - Phytoplankton photosynthesis dynamics in the Chubut River estuary (Patagonia, Argentina) throughout tidal cycles. . Limnology and Oceanography, 55: 55-65. Science Citation Index ISI 3.663
Janknegt, P.J., C.M. de Graaff, W.H van de Poll, R.J.W. Visser, E.W. Helbling & A.G.J. Buma – 2009 - Antioxidative responses of two marine microalgae during exposure to static and fluctuating Natural ultraviolet radiation. Photochemistry and Photobiology, 85: 1336-1345. Science Citation Index ISI 2. 287
Jiang H., K. Gao & E. W. Helbling - 2009 - The conchocelis of Porphyra haitanensis (Rhodophyta) is protected from harmful UV radiation by the sheltering inner shell layer. Journal of Phycology, 45: 1270-1277. Science Citation Index ISI 2.82
Rodriguez, S.M., M.D. Golemba, R.H. Campos, K. Trono & L.R. Jones – 2009 - Bovine leukemia virus can be classified into seven genotypes: evidence for the existence of two new clades. Journal of General Virology 90: 2788-2797. Science Citation Index ISI 3.363.
Gao, K., Z. Ruan, V.E. Villafañe, J.-P. Gattuso & E.W. Helbling – 2009 - Ocean acidification exacerbates the impact of UV radiation on the calcifying phytoplankter Emiliania huxleyi. Limnology and Oceanography, 54: 1855-1862. Science Citation Index ISI 3.277
Jones, L.R. D.A. Dilernia, J.M. Manrique, F. Moretti, H. Salomon & M. Gomez-Carrillo - 2009 - In-depth analysis of the origins of HIV-1 subtype C in South America. AIDS Research and Human Retroviruses, 25: 951-959. Science Citation Index ISI 2.246.
Buma A.G.J., R.J.W. Visser, W.H. van de Poll, V.E. Villafañe, P. Janknegt & E.W. Helbling -2009 - Biological weighting functions for xanthophyll cycling, effective quantum yield and carbon assimilation in marine microalgae exposed to solar radiation. European Journal of Phycology, 44: 515-524 Science Citation Index ISI 1.826
Eirin, M.E., D.A. Dilernia, C.A. Berini, L.R. Jones, M.A. Pando, & M.M. Biglione – 2008 - Divergent strains of human T-lymphotropic virus type 1 (HTLV-1) within the cosmopolitan subtype in Argentina. AIDS Research and Human Retroviruses, 24: 1237-1244. Science Citation Index ISI 2.246.
Dilernia, D.A., L. Jones, S. Rodriguez, G. Turk, A.E. Rubio, S. Pampuro, M. Gomez-Carrillo, C. Bautista, G. Deluchi, J. Benetucci, M.B. Lasala, L. Lourtau, M.H. Losso, H. Perez, P. Cahn & H. Salomón – 2008 - HLA-Driven Convergence of HIV-1 Viral Subtypes B and F Toward the Adaptation to Immune Responses in Human Populations. PLoS ONE, 3: e3429. Science Citation Index ISI 4.411.
Villafañe, V.E., P.J. Janknegt, M. de Graaff, R.J.W. Visser, W.H. van de Poll, A.G.J. Buma & E.W. Helbling – 2008 - UVR-induced photoinhibition of summer marine phytoplankton communities from Patagonia. Marine Biology, 154: 1021-1029. Science Citation Index ISI 2.215
Helbling, E.W., A.G.J. Buma, W. van de Poll, M.V. Fernández Zenoff & V.E. Villafañe – 2008 - UVR-induced photosynthetic inhibition dominates over DNA damage in marine dinoflagellates exposed to fluctuating radiation regimes. Journal of Experimental Marine Biology and Ecology, 365: 96-102. Science Citation Index ISI 1.75
Marcoval, M.A., V.E. Villafañe & E.W. Helbling – 2008 - Combined effects of solar ultraviolet radiation and nutrients addition on growth, biomass and taxonomic composition of coastal phytoplankton communities of Patagonia. Journal of Photochemistry and Photobiology. B: Biology, 91: 157-166. Science Citation Index ISI 1.919
Gao, K, P. Li, T. Watanabe & E.W. Helbling – 2008 - Combined effects of ultraviolet radiation and temperature on morphology, photosynthesis and DNA of the economic cyanobacterium Arthrospira (Spirulina) platensis. Journal of Phycology, 44: 777-786. Science Citation Index ISI 2.82
Jiang, H., K.S. Gao & E.W.Helbling – 2008 - UV-absorbing compounds in Porphyra haitanensis (Rhodophyta) with special reference to effects of desiccation. Journal of Applied Phycology, 20: 387-395. Science Citation Index ISI 0.778
Marcoval, M..A., V.E. Villafañe & E.W. Helbling - 2007 - Interactive effects of ultraviolet radiation and nutrient addition on growth and photosynthesis performance of four species of marine phytoplankton. Journal of Photochemistry and Photobiology. B: Biology, 89: 78-87. Science Citation Index ISI 1.919
Gao, K., G. Li, E.W. Helbling & V.E. Villafañe – 2007 - Variability of UVR effects on photosynthesis of summer phytoplankton assemblages from a tropical coastal area of the South China Sea. Photochemistry and Photobiology, 83: 802-809. Science Citation Index ISI 2. 172
Häder, D.-P., M. Lebert, M. Schuster, L. del Ciampo, E.W. Helbling & R. McKenzie – 2007 - ELDONET - Ten years of monitoring solar radiation on five continents. Photochemistry and Photobiology, 83: 1-10. Science Citation Index ISI 2. 172
Gao, K., Y. Wu, G. Li, H. Wu, V.E. Villafañe, & E.W. Helbling – 2007 - Solar UV-radiation drives CO2-fixation in marine phytoplankton: A double-edged sword. Plant Physiology, 144: 54-59. Science Citation Index ISI 6.367
Gonçalves, R.J., E.S. Barbieri, V.E. Villafañe & E.W. Helbling - 2007 - Motility of Daphnia spinulata as affected by solar radiation throughout a year cycle in mid latitudes of Patagonia. Photochemistry and Photobiology, 83: 824-832. Science Citation Index ISI 2. 172
Villafañe,V.E., K. Gao, P. Li, G. Li & E.W. Helbling – 2007 - Vertical mixing within the epilimnion modulates UVR-induced photoinhibition in tropical phytoplankton from Southern China. Freshwater Biology, 52: 1260-1270. Science Citation Index ISI 2.65
Jiang H., K. Gao & E.W. Helbling - 2007 - Effects of solar UV radiation on germination of conchospores and morphogenesis of sporelings in Porphyra haitanensis (Rhodophyta). Marine Biology, 151: 1751-1759. Science Citation Index ISI 2.215.
Richter, P.R., D.-P. Häder, R.J. Gonçalves, M.A. Marcoval, V.E. Villafañe & E.W. Helbling - 2007 - Vertical migration and motility responses in three marine phytoplankton species exposed to solar radiation. Photochemistry and Photobiology, 83: 810-817. Science Citation Index ISI 2.172
Hernández, K.L., R.A. Quiñones, G. Daneri, M.E. Farias & E.W. Helbling - 2007 - Solar UV radiation modulates daily production and DNA damage of marine bacterioplankton from a productive upwelling zone (36°S), Chile. Journal of Experimental Marine Biology and Ecology, 343: 82-95. Science Citation Index ISI 1.75
Richter, P., E.W. Helbling, C. Streb & D.-P. Häder - 2007 - PAR and UV effects on vertical migration and photosynthesis in Euglena gracilis. Photochemistry and Photobiology, 83: 818-823. Science Citation Index ISI 2. 172
Gao K., W. Guan & E.W. Helbling – 2007 - Effects of solar ultraviolet radiation on photosynthesis of the marine red tide alga Heterosigma akashiwo (Raphidophyceae). Journal of Photochemistry and Photobiology. B: Biology, 86 (2):140-148. Science Citation Index ISI 1.919
Helbling, E.W., M.E. Farías, M.V. Fernández Zenoff & V.E. Villafañe – 2006- In situ responses of phytoplankton from the subtropical Lake La Angostura (Tucumán, Argentina) in relation to solar ultraviolet radiation exposure and mixing conditions. Hydrobiologia, 559: 123-134. Science Citation Index ISI 0.978
Barbieri, E.S., V.E. Villafañe & E.W. Helbling – 2006 - Dynamics of oxygen production / consumption in Dunaliella salina, Thalassiosira weissflogii and Heterocapsa triquetra circulating within a simulated upper mixed layer. Investigaciones Marinas, 34: 97-108.
Helbling, E.W., K. Gao, H. Ai, Z. Ma & V.E. Villafañe – 2006 - Differential responses of Nostoc sphaeroides and Arthrospira platensis to solar ultraviolet radiation exposure: Importance of long-term acclimation. Journal of Applied Phycology, 18: 57-66. Science Citation Index ISI 0.992
Hernández K.L., R.A. Quiñones, G. Daneri & E.W. Helbling – 2006 - Effects of solar radiation on bacterioplankton assemblages in the highly productive upwelling system off central-southern Chile. Marine Ecology Progress Series, 315: 19-31. Science Citation Index ISI 2.315
Richter, P.R., R.J. Goncalves, M.A. Marcoval, E.W. Helbling & D.-P. Häder - 2006 - Diurnal changes in the composition of mycosporine-like amino acids (MAA) in Corallina officinalis. Trends in Photochemistry and Photobiology, 11: 33-44.
Wu, H., K. Gao, V.E. Villafañe, T. Watanabe, & E.W. Helbling – 2005 - Effects of solar UV radiation on morphology and photosynthesis of the filamentous cyanobacterium, Arthrospira platensis. Applied and Environmental Microbiology, 71 (9): 5004-5013. Science Citation Index ISI 3.818
Klisch, M,, R.P. Sinha, E.W. Helbling & D.P. Häder – 2005 - Induction of thymine dimers by solar radiation in natural freshwater phytoplankton assemblages in Patagonia, Argentina. Aquatic Sciences, 67: 72-78. Science Citation Index ISI 1.662
Villafañe, V.E., K. Gao & E.W. Helbling -2005 - Short- and long-term effects of solar ultraviolet radiation on the red algae Porphyridium cruentum (S. F. Gray) Nägeli. Photochemical and Photobiological Sciences, 4: 376-382. Science Citation Index ISI 2.117
Helbling, E.W., E.S. Barbieri, M.A. Marcoval, R.J. Gonçalves & V.E. Villafañe - 2005 - Impact of solar ultraviolet radiation on marine phytoplankton from Patagonia. Photochemistry and Photobiology, 81: 807-818. Science Citation Index ISI 2.147
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
Häder, D-P., M. Lebert & E. W. Helbling – 2003 - In situ effects of solar radiation on photosynthesis in the Patagonian Rhodophyte, Porphyra columbina Montagne. Recent Research Developments in Biochemistry, 4: 931-944.
Häder, D-P., M. Lebert & E. W. Helbling - 2003 - Effects of solar radiation on the Patagonian Rhodophyte, Corallina officinalis (L.). Photosynthesis Research, 78 (2): 119-132. Science Citation Index ISI 2.614
Sinha, R. P., E. S. Barbieri, M. Lebert, E. W Helbling & D-P. Häder – 2003 - Effects of solar radiation on phycobiliproteins of marine red algae. Trends in Photochemistry and Photobiology, 10: 149-157.
Sinha, R. P., E. W. Helbling & D.-P. Häder – 2003 - Effects of solar radiation on photosynthetic quantum yield of a cyanobacterium Nostoc sp. Trends in Photochemistry and Photobiology, 10: 159-166.
Lutz V. A., E. E. Boschi, C. S. Bremec, M. Berta Cousseau, D. E. Figueroa, D. H. Rodriguez, N. Scarlato, M. Delia Viñas, M. N. Lewis, P. E. Penchaszadeh, F. H. Acuña, M. L. Aguirre, R. Akselman, V. A. Alder, A. Baldoni, M. S. Barría, R. O. Bastida, A. S. Boraso, J. Calvo, C. Campagna, G. Cañete, M. C. Cassia, P. M. Cervellini, G. E. Chiaramonte, M. Costagliola, G. Cosulich, M. C. Daponte, J. M. Díaz De Astarloa, R. Elías, G. B. Esnal, A. C. Excoffon, H. Freije, S. García De La Rosa, G. N. Genzano, D. A. Giberto, R. Guerrero, E. W. Helbling, M. S. Hoffmeyer, I. S. Incorvaia, O. Iribarne, A. J. Jaureguizar, M. Kogan, G. A. Lovrich, A. O. Madirolas, J. P. Martin, P. Martos, M. L. Mendoza, S. Menu Marque, H. W. Mianzan, E. R. Morriconi, R. M. Negri, S. Obenat, C. T. Pastor De Ward, L. B. Pérez De Fankhauser, F. Quintana, R. Reta, R. Rico, A. M. Roux, M. E. Sabatini, M. A. Scelzo, L. Schejter, A. C.M. Schiavini, R. I. Silva, M. G. Silvoni, E. Spivak, M. I. Trucco, E. A. Vallarino, D. G. Zelaya – 2003 - Perspectives of marine biodiversity studies in Argentina. Gayana, 67: 371-382.
Helbling, E. W., K. Gao, R. J. Goncalves, H. Wu & V. E. Villafañe – 2003 - Utilization of solar ultraviolet radiation by phytoplankton assemblages from the Southern China Sea when exposed to fast mixing conditions. Marine Ecology Progress Series, 259: 59-66. Science Citation Index ISI 2.052
Helbling, E.W., F. Zaratti, L.O. Sala, E.R. Palenque, C.F. Menchi & V.E. Villafañe – 2002 - Mycosporine like aminoacids protect the copepod Boeckella titicacae (Harding) against high levels of solar UVR. Journal of Plankton Research, 24: 225-234. Science Citation Index ISI 1.189
Barbieri, E. S., V.E. Villafañe & E. W. Helbling. 2002. Experimental assessment of UV effects upon temperate marine phytoplankton when exposed to variable radiation regimes. Limnology and Oceanography, 47 (6): 1648-1655. Science Citation Index ISI 3.024
Goncalves, R. J., V.E. Villafañe & E. W. Helbling - 2002 - Photorepair activity and protective compounds in two freshwater zooplankton species (Daphnia menucoensis and Metacyclops mendocinus) from Patagonia, Argentina. Photochemical and Photobiological Sciences, 1: 996-1000. Science Citation Index ISI 1.798
Helbling, E. W., C. F. Menchi & V.E. Villafañe – 2002 - Bioaccumulation and role of UV-absorbing compounds in two marine crustacean species from Patagonia, Argentina. Photochemical and Photobiological Sciences, 1 (10): 820-825. Science Citation Index ISI 1.798
Häder, D-P., M. Lebert, R. Sinha, E.S. Barbieri & E.W. Helbling – 2002 - Role of protective and repair mechanisms in the inhibition of photosynthesis in marine macroalgae. Photochemical and Photobiological Sciences, 1 (10): 809-814. Science Citation Index ISI 1.798
Helbling, E. W., V. E. Villafañe & E. S. Barbieri – 2001 - Sensitivity of winter phytoplankton communities from Andean lakes to artificial ultraviolet-B radiation. Revista Chilena de Historia Natural, 74: 391-400. Science Citation Index ISI 0.583
Häder, D-P., M. Lebert & E. W. Helbling – 2001 - Photosynthetic performance of marine macroalgae measured in Patagonia on site. Trends in Photochemistry and Photobiology, 8: 145-151.
Sinha, R. P., M. Klisch, E. W Helbling & D-P. Häder – 2001 - Induction of mycosporine-like amino acids (MAAs) in cyanobacteria by solar ultraviolet-B radiation. Journal of Photochemistry and Photobiology. B: Biology, 60: 129-135. Science Citation Index ISI 1.841
Buma, A. G. J., E. W. Helbling, M. K. de Boer & V. E. Villafañe –2001- Patterns of DNA damage and photoinhibition in temperate South-Atlantic picophytoplankton exposed to solar ultraviolet radiation. Journal of Photochemistry and Photobiology. B: Biology, 62: 9-18. Science Citation Index ISI 1.841
Häder, D-P., M. Lebert & E. W. Helbling – 2001- Effects of solar radiation on the Patagonian macroalgae Enteromorpha linza (L.) J. Agardh – Chlorophyceae. Journal of Photochemistry and Photobiology. B: Biology, 62: 43-54. Science Citation Index ISI 1.841
Helbling, E. W., V. E. Villafañe, A. G. J. Buma, M. Andrade & F. Zaratti – 2001 - DNA damage and photosynthetic inhibition induced by solar UVR in tropical phytoplankton (Lake Titicaca, Bolivia). European Journal of Phycology, 36: 157-166. Science Citation Index ISI 2.506
Villafañe, V. E., E. W. Helbling & H. E. Zagarese – 2001- Solar ultraviolet radiation and its impact on aquatic ecosystems of Patagonia, South America. Ambio, 30 (2): 112-117. Science Citation Index ISI 1.403
Helbling, E. W., A. G. J. Buma, M. K. de Boer & V. E. Villafañe – 2001- In situ impact of solar ultraviolet radiation on photosynthesis and DNA in temperate marine phytoplankton. Marine Ecology Progress Series, 211: 43-49. Science Citation Index ISI 2.052
Häder, D-P., M. Lebert & E. W. Helbling – 2000 - Photosynthetic performance of the chlorophyte Ulva rigida measured in Patagonia on site. Recent Research Developments in Photochemistry and Photobiology, 4: 259-269.
Villafañe, V. E., M. Andrade, A. V. Lairana, F. Zaratti & E. W. Helbling - 1999- Inhibition of phytoplankton photosynthesis by solar ultraviolet radiation: Studies in Lake Titicaca, Bolivia. Freshwater Biology, 42, 215-224. Science Citation Index ISI 2.205
Zagarese, H. E., W. R. Cravero, V. E. Villafañe & E. W. Helbling - 1998 - Efecto de la radiación ultravioleta sobre los ecosistemas acuáticos. Ciencia Hoy, 8 (45): 22-29.
Orce, V. L. & E. W. Helbling - 1997 - Latitudinal UVR-PAR Measurements in Argentina: Extent of the “Ozone Hole”. Global and Planetary Change, 15: 113-121. Science Citation Index ISI 1.895
Estación de Fotobiología Playa Unión Juan Manuel de Rosas y Martin Rivadavia Playa Unión, Chubut, Argentina