Estación de Fotobiología Playa Unión
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 (1): 117-130.
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
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
Halac, S.R., V.E. Villafañe, R.J. Gonçalves & E.W. Helbling. 2011. Long term UVR effects upon phytoplankton natural communities of Patagonian coastal waters. En: Remote sensing of biomass: Principles and applications. Book 2. Atazadeh, I. (ed.). Intech Open Access Publishers En Prensa.
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 UVR-induced photoinhibition in the marine diatom Thalassiossira weissflogii., Limnol. Oceanogr., 56(4), 2011, 1330–1342, Science Citation Index ISI 3.663
Xu, K., K. Gao, V.E. Villafañe & E.W. Helbling - 2011 - Decreased calcification affects photosynthetic responses of Emiliania huxleyi exposed to UV radiation and elevated temperature. Biogeosciences, 8, p1441–1452Science Citation Index ISI 3.246
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.
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
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 (1): 55-65. Science Citation Index ISI 3.663
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
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 (3): 249-259. Science Citation Index ISI 1.358
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
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 (4): 515-524. Science Citation Index ISI 1.826
Gao, K. , Z. Ruan, V. E. Villafañe, J.-P. Gattuso & E. W. Helbling. 2009. Ocean acidification exacerbates the effect of UV radiation on the calcifying phytoplankter Emiliania huxleyi. Limnol. Oceanogr., 54(6):1855–1862. Science Citation Index ISI 3.663 Abstract 105KB
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 (6): 1336-1345. Science Citation Index ISI 2. 287Abstract 84KB
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
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 (3): 777-786. Science Citation Index ISI 2.82
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. Abstract 215KB Science Citation Index ISI 1.75
E. W. Helbling & V. E. Villafañe. 2008. Phytoplankton and Primary Production. Encyclopedia of Life Support Systems (EOLSS) / Contents 53KB
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. Abstract 66KB Science Citation Index ISI 0.778
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. Abstract 291KB Science Citation Index ISI 1.919
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. Abstract 130KB Science Citation Index ISI 2.215
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. Resumen 97KB 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. Resumen 477KB 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. Resumen 44KB 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. Resumen 89KB 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. Resumen 76KB 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. Resumen 75KB Science Citation Index ISI 2.116
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. Resumen 190KB Science Citation Index ISI 2.215.
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. Resumen 103KB Science Citation Index ISI 1.919
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. Resumen 465KB Science Citation Index ISI 2.172
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. Resumen 477KB 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. Resumen 424KB Science Citation Index ISI 2.86
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 (2): 97-108. Resumen 54KB Science Citation Index ISI
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 (1): 123-134. Resumen 166KB Science Citation Index ISI 0.978
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 (1): 57-66. Resumen 100KB 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. Resumen 200KB 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.
Dogliotti, A.I., O. Ulloa, F. Müller-Karger, C. Hu, B. Murch, C. Taylor, G. Yuras, M. Kampel, V. Lutz, S. Gaeta, D.A. Gagliardini, C.A.E. Garcia, E. Klein, E.W. Helbling, R. Varela, E. Barbieri, R. Negri, R. Frouin, S. Sathyendranath & T. Platt, - 2005 - The ANTARES observation network. Proceedings of SPIE - The International Society for Optical Engineering, V. 5885, 58850N: P. 6.
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. Resumen 52KB Science Citation Index ISI 2.045
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. Resumen 50KB Science Citation Index ISI 2.147
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. Resumen 80KB Science Citation Index ISI 2.708
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. Resumen 44KB Science Citation Index ISI 3.818
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. Resumen 145KB 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. Resumen 139KB Science Citation Index ISI 1.841
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. Resumen 57KB Science Citation Index ISI 2.58
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 (2): 167-174. Resumen 56KB Science Citation Index ISI 1.189
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. Resumen 36KB Science Citation Index ISI 1.020
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. Resumen 86KB Science Citation Index ISI 2.315
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. Resumen 49KB Science Citation Index ISI 2.614
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. Resumen 72KB
Helbling, W.E., K. Gao, R.J. Gonçalves, Hongyan Wu and Virginia E. Villafañe. 2003. Utilization of solar UV radiation by coastal phytoplankton assemblages off SE China when exposed to fast mixing. Marine Ecology Progress Series, 259:59-66. Resumen 213KB Science Citation Index ISI 2.052
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 (2): 371-382. Resumen 14KB Science Citation Index ISI
Neale, P.J., E.W. Helbling & H.E. Zagarese. 2003. Modulation of UV exposure and effects by vertical mixing and advection. En: E.W Helbling & H.E. Zagarese (eds.) UV effects in aquatic organisms and ecosystems. Comprehensive Sciences in Photosciences. The Royal Society of Chemistry, pp. 107-134. Resumen 84KB
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. Resumen 535KB
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 Resumen 530KB
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: 1648-1655. Resumen 82KB Science Citation Index ISI 3.024
Gonçalves, 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. Resumen 61KB Science Citation Index ISI 2.708
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: 809-814. Resumen 56KB Science Citation Index ISI 2.708
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: 820-825. Resumen 57KB Science Citation Index ISI 2.708
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. Artículo 605KB Science Citation Index ISI 1.189
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. En: Helbling E.W., Ballaré C.L. & Villafañe V.E. (eds). Impacts of ultraviolet radiation on aquatic and terrestrial ecosystems. Special Issue of Journal of Photochemistry and Photobiology. B: Biology, 62: 9-18. Artículo 805KB Science Citation Index ISI 1.841
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. Artículo 376KB
Häder, D-P., M. Lebert & E.W. Helbling – 2001 - Effects of solar radiation on the Patagonian macroalgae Enteromorpha linza (L.) J. Agardh - Chlorophyceae. En: Helbling E.W., Ballaré C.L. & Villafañe V.E. (eds). Impacts of ultraviolet radiation on aquatic and terrestrial ecosystems. Special Issue of Journal of Photochemistry and Photobiology. B: Biology, 62: 43-54. Artículo 760KB Science Citation Index ISI 1.841
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. Artículo 544KB Science Citation Index ISI 2.052
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. Artículo 665KB Science Citation Index ISI 0.583
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. Artículo 872KB Science Citation Index ISI 2.506
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. Artículo 527KB Science Citation Index ISI 1.841
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. Artículo 10MB Science Citation Index ISI 1.403
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. Artículo 616KB
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. Artículo 698KBScience Citation Index ISI 2.861
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. Artículo 8.3MB
Díaz, H., S. Avaria, V. E. Villafañe & E. W. Helbling. 1997. Aclimatación y sensibilidad de especies fitoplanctónicas antárticas a la radiación ultravioleta solar. Revista de Biología Marina y Oceanografía, 32 (2): 157-175. Artículo 2MBScience Citation Index ISI 0.577
Holm-Hansen, O., C. D. Hewes, V. E. Villafañe, E. W. Helbling, N. Silva, & T. Amos. 1997. Distribution of phytoplankton and nutrients in relation to different water masses in the area around Elephant Island, Antarctica. Polar Biology, 18: 145-153. Artículo 1.8MBScience Citation Index ISI 1.3155
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. Artículo 1.67MB Science Citation Index ISI 1.895
Gonçalves, R.J., M.L. Spinelli, R.D. Hernández Moresino, V.E. Villafañe, F.L. Capitanio, & E.W. Helbling - 2011 - UVR effects on nauplii from South-Atlantic coastal waters (Patagonia, Argentina): Does food with high concentration UV-absorbing compounds make a difference? 5th International Zooplankton Production Symposium: Population connections, community dynamics and climate variability, Pucón, Chile (poster / abstract).
Halac S.R., Guendulain-García S.D., Villafañe V.E., Helbling E.W. & Banaszak A.T. - 2011 - Efecto combinado de la radiación ultravioleta y de la temperatura en comunidades fitoplanctónicas del caribe Mexicano. IX Congreso de ficología de Latinoamérica y el caribe. 7 al 11 de noviembre de 2011 ‐ La Plata, Argentina
Lagunas, M. G., V. E. Villafañe & E. W. Helbling - 2010 - Ultraviolet Radiation And Temperature Effects On Photosynthesis And Silicate Consumption In Two Marine Diatoms. AGU Ocean Sciences Meeting: From Observation to Prediction in the 21st Century. 22-26 February 2010, Portland, Oregon, USA.
Manrique, J.M., S.R. Halac, A.Y Calvo, V.E. Villafañe, L.R. Jones & E.W. Helbling - 2010 - Effects of solar ultraviolet radiation (UVR) on molecular diversity of plankton from the Chubut River estuary. XLVI Reunión Anual de la Sociedad Argentina de Investigación en Bioquímica y Biología Molecular, Puerto Madryn, Argentina.
Spinelli, M., R.J. Gonçalves, E.W. Helbling, G. Esnal & F. Capitanio - 2010 - Composición del mesozooplancton en Bahía Engaño (43º19' S 65º03' W), Playa Unión, Patagonia, durante primavera-verano de 2009-2010. II Congreso Argentino-Chileno-Hispano La Diversidad Química y Biológica de Organismos de la Región Patagónica. 21-24 de Septiembre 2010, Puerto Madryn, Argentina.
Fiorda Giordanino, M. V., V. E. Villafañe, & E. W. Helbling - 2009 - Efectos a corto plazo de la radiación ultravioleta y de la temperatura en cianobacterias. I Encuentro Uruguayo: Cianobacterias del conocimiento a la gestión. 7 al 9 de Octubre de 2009- Montevideo, Uruguay.
Helbling, E.W. & V.E. Villafañe - 2009 - Responses of phytoplankton from mid-latitudes of Patagonia in a scenario of global change. 15th International Congress on Photobiology. 18-23 de Junio 2009, Dusseldorf, Alemania.
Hernández Moresino, R. D. & E. W. Helbling - 2009 - UVR-induce mortality of zoea I larvae from five crab species of the Patagonian coast. 15th International Congress on Photobiology. 18-23 de Junio 2009, Dusseldorf, Alemania.
Hernández Moresino, R. D. & E. W. Helbling - 2009 -Efectos de la radiacion ultravioleta y la temperatura en larvas de cangrejos. VII Jornadas Nacionales de Ciencias del Mar. 30 de noviembre al 4 de diciembre 2009, Bahía Blanca - Argentina
Barría de Cao, M.S., G. Perillo, D. Pérez, M.C. Piccolo & E.W. Helbling - 2008 - Microzooplankton community in the Chubut River Estuary, Argentina Science and management of estuaries and coasts: A tale of two hemispheres, Bahía Blanca, Argentina, September 29 to October 3, 2008 (poster / abstract).
Fiorda Giordanino, M.V. & E.W. Helbling - 2008 - Efectos protectores del óxido nítrico frente al stress ocasionado por la radiación UV en Nostoc sp. IV Congreso Argentino de Limnología (CAL IV), San Carlos de Bariloche, Río Negro, Argentina, 26 y 30 de Octubre del 2008 (poster / abstract).
Gonçalves, R.J., C.D. Medina, V.E. Villafañe & E.W. Helbling - 2008 - Efectos combinados de la radiación ultravioleta y temperatura en el plancton. IV Congreso Argentino de Limnología (CAL IV), San Carlos de Bariloche, Río Negro, Argentina, 26 y 30 de Octubre del 2008 (presentación oral / abstract).
Guinder, V.A., C.A. Popovich, G.M.E. Perillo & E.W. Helbling - 2008 - Particulate suspended matter concentrations in the Bahía Blanca estuary, Argentina: implications for the development of phytoplankton blooms. Science and management of estuaries and coasts: A tale of two hemispheres, Bahía Blanca, Argentina, September 29 to October 3, 2008 (poster / abstract).
Helbling, E.W., R.J. Gonçalves & V.E. Villafañe - 2008 - Global change enhances complexity of UVR effects on coastal and estuarine plankton. Science and management of estuaries and coasts: A tale of two hemispheres, Bahía Blanca, Argentina, September 29 to October 3, 2008 (presentación oral / abstract).
Medina, C.D., D.E. Pérez, J.E. Marcovecchio, M. Lagunas, V.E. Villafañe & E.W. Helbling - 2008 -Photosynthetic dynamics of phytoplankton from the Chubut River estuary (Argentina) throughout tidal cycles. Science and management of estuaries and coasts: A tale of two hemispheres, Bahía Blanca, Argentina, September 29 to October 3, 2008 (poster / abstract).
Medina, C.D., D.E. Pérez, J.E. Marcovecchio, V.E. Villafañe & E.W. Helbling - 2008 Dinámica espacial y temporal de la comunidad fitoplanctónica en la sección inferior del Río Chubut, Argentina. IV Congreso Argentino de Limnología (CAL IV), San Carlos de Bariloche, Río Negro, Argentina, 26 y 30 de Octubre del 2008 (poster / abstract).
Guinder, V.A, C.A. Popovich, G.M.E. Perillo & E.W. Helbling. - 2007 - Phytoplankton dynamics during sunlight hours in a winter day, Bahía Blanca Estuary, Argentina Plankton Symposium IV, Joao Pesoa, Brazil, 1-5 Abril 2007 (Poster).
Helbling, E.W., M.A. Marcoval, P.P. Janknegt, M. de Graaff, R.J.W. Visser, A.G.J. Buma, V.E. Villafañe. - 2007 - Sensitivity to solar radiation of summer phytoplankton assemblages from mid-latitudes of Patagonia. 12th Congress of the European Society for Photobiology, Bath, UK, September 1-6, 2007 (presentación oral / abstract).
Mendía, L., M. Lagunas & E.W. Helbling - 2007 - Short term impact of ultraviolet radiation on photosynthesis of marine diatoms. 12th Congress of the European Society for Photobiology, Bath, UK, September 1-6, 2007 (Poster).
Barbieri, E.S., R.J. Gonçalves, V.E. Villafañe & E.W. Helbling - 2006 - Phytoplankton dynamics throughout a yearly cycle in a freshwater lagoon of Patagonia: Physiological responses to solar radiation. American Society of Photobiology, Puerto Rico, USA, 8-12 de Julio de 2006 (exposición oral / abstract).
Farias, M.E., C. Estevez & E.W. Helbling. - 2006 - Diversidad del bacterioplancton en el estuario del río Chubut utilizando DGGE. VI Jornadas Nacionales de Ciencias del Mar., Puerto Madryn, Argentina, 4-8 de Diciembre de 2006 (poster / abstract).
Gao, K., G. Li, E.W. Helbling & V.E. Villafañe - 2006 - Summer variability of UVR effects on phytoplankton primary production in a tropical coastal area of the Southern China Sea. American Society of Photobiology, Puerto Rico, USA, 8-12 de Julio de 2006 (poster / abstract).
Gao, K., P. Li, T. Watanabe & E.W. Helbling - 2006 - Combined effects of ultraviolet radiation and temperature on morphology, photosynthesis and DNA ofthe economically important cyanobacterium Arthrospira (Spirulina) platensis. American Society of Photobiology, Puerto Rico, USA, 8-12 de Julio de 2006 (poster / abstract).
Gao, K., Y. Wu & E.W. Helbling - 2006 - Solar UVR induced inhibition / enhancement of photosynthesis in phytoplankton assemblages from coastal waters off SE China. American Society of Photobiology, Puerto Rico, USA, 8-12 de Julio de 2006 (poster / abstract).
Gao, K., H.Y. Wu, Y.P. Wu, G. Li & E.W. Helbling - 2006 - Roles of Solar UV Radiation in Photosynthetic C-fixation in Surface Seawater of South China Sea: The Double-edged Sword. The HKUST International Conference on Contrasting Marine Ecosystems, Hong Kong, 23-25 Octubre 2006 (presentación oral / abstract)
Gonçalves, R.J., E.S. Barbieri, V.E. Villafañe & E.W. Helbling - 2006 - Motility of freshwater zooplankton from a temperate lagoon from Patagonia (Chubut, Argentina) throughout a year cycle: Influence of solar radiation. American Society of Photobiology, Puerto Rico, USA, 8-12 de Julio de 2006 (poster / abstract).
Helbling, E.W., K. Gao & V.E. Villafañe - 2006 - Phytoplankton photosynthesis in a scenario of global change: Interactive effects of UVR, mixing and CO2 in tropical environments. American Society of Photobiology, Puerto Rico, USA, 8-12 de Julio de 2006 (exposición oral / abstract).
Helbling, E.W., & V.E. Villafañe - 2006 - Photobiology in a scenario of global change. DAAD, Tucumán, Argentina, 19-20 de Octubre de 2006 (exposición oral / abstract).
Hernández, K., B. Yanicelly, A. Montecinos, G. Daneri & E.W. Helbling - 2006 - Patterns and modeling of solar radiation in south central Chile (36 oS) during 2003-2004. American Society of Photobiology, Puerto Rico, USA, 8-12 de Julio de 2006 (poster / abstract).
Lagunas, M., K. Hernández, R. Gonçalves & E.W. Helbling - 2006 - Efecto de la radiación ultravioleta en Prorocentrum micans aclimatado a distintas irradiancias: movilidad y pigmentos. VI Jornadas Nacionales de Ciencias del Mar., Puerto Madryn, Argentina, 4-8 de Diciembre de 2006 (poster / abstract).
Marcoval, M.A., E. Ricci, E.W. Helbling & J.L. Fenucci. - 2006 - Efectos de Radiacion Ultravioleta y bioacumulación de compuestos que absorben RUV en Artemia persimilis (Crustacea: Branchiopoda). VI Jornadas Nacionales de Ciencias del Mar., Puerto Madryn, Argentina, 4-8 de Diciembre de 2006 (poster / abstract).
Pérez, D., M. Lagunas, K. Hernandez, G.M.E. Perillo, M.C. Piccolo, J. Marcovecchio, R.J. Gonçalves, M.E. Farias, C. Galan, V.E. Villafañe & E.W. Helbling. - 2006 - Variabilidad de parámetros físico-químico y biológicos asociados a la descarga del Río Chubut en el área de Bahía Engaño, Chubut. VI Jornadas Nacionales de Ciencias del Mar, Puerto Madryn, Argentina, 4-8 de Diciembre de 2006 (poster / abstract).
Pérez, D., M. Lagunas, K. Hernandez, G.M.E. Perillo, M.C. Piccolo, J. Marcovecchio, R.J. Gonçalves, M.E. Farias, V.E. Villafañe & E.W. Helbling. - 2006 - Estratificación del estuario del Río Chubut durante un ciclo completo de marea. VI Jornadas Nacionales de Ciencias del Mar., Puerto Madryn, Argentina, 4-8 de Diciembre de 2006 (poster / abstract).
Richter, P.R., D.P. Häder, V.E. Villafañe & E.W. Helbling - 2006 - Impact of UVR on vertical movement and photosynthetic efficiency of Euglena gracilis Klebs. American Society of Photobiology, Puerto Rico, USA, 8-12 de Julio de 2006 (poster / abstract).
Richter, P.R., D.P. Häder, V.E. Villafañe & E.W. Helbling - 2006 - UVR effects on photosynthetic yield of Prorocentrum minimum (Pavillard) Schiller and Dunaliella salina Teodoresco in a simulated water column. American Society of Photobiology, Puerto Rico, USA, 8-12 de Julio de 2006 (poster / abstract).
Barbieri, E.S., R.J. Gonçalves, V.E. Villafañe & E.W. Helbling - 2005 - Time series study in a freshwater lagoon of Patagonia: Solar acclimation of phytoplankton measured by pulse amplitude modulated (PAM) techniques. European Society of Photobiology, Aix les Bains, Francia, 3-8 de Septiembre de 2005 (poster / abstract).
Barbieri, E.S., V.E. Villafañe & E.W. Helbling - 2005 - Variabilidad en la tasa de producción de oxígeno en tres especies fitoplanctónicas marinas circulando dentro de una capa superficial de mezcla simulada. XI Congreso Latinoamericano de Ciencias del Mar y XXV Congreso de Ciencias del Mar de Chile, Viña del Mar, Chile, 16-20 de Mayo de 2005 (exposición oral / abstract extendido).
Flores M.R., M.I. Isla, M.E. Farías & E.W. Helbling - 2005 - Antioxidant activity of mycosporine-like amino acids (MAAs) from marine dinoflagellates. European Society of Photobiology, Aix les Bains, Francia, 3-8 de Septiembre de 2005 (poster / abstract).
Guan W., K. Gao, & E.W. Helbling - 2005 - Short- and long-term effects of solar UV radiation on the marine red tide alga Heterosigma akashiwo (Raphidophyceae). 10th International Conference on Applied Phycology, Kunming, China. 24 - 28, July 2005 (poster / abstract).
Helbling E.W. & V.E. Villafañe - 2005 - Efecto interactivo de RUV y mezcla en ambientes acuáticos. Congreso Argentino de Limnología. Chascomus, Argentina. 30 Octubre al 02 de Noviembre de 2005 (exposición oral).
Helbling E.W. & V.E. Villafañe - 2005 - Interactive effects of UVR and mixing in aquatic environments. European Society of Photobiology, Aix les Bains, Francia, 3-8 de Septiembre de 2005 (exposición oral / abstract).
Hernández, K.L. R.A. Quiñones, G. Daneri, M.E. Farias & E.W. Helbling - 2005 - Solar UV radiation modulates daily production and DNA damage of marine bacterioplankton from a productive upwelling zone (36°S), Chile. European Society of Photobiology, Aix les Bains, Francia, 3-8 de Septiembre de 2005 (poster / abstract).
Hernández, K.L., R.A. Quiñones, G. Daneri & E.W. Helbling - 2005 - Efecto de la radiación solar en el rango visible PAR (400-700 nm) en la producción secundaria bacteriana frente a Concepción. XI Congreso Latinoamericano de Ciencias del Mar y XXV Congreso de Ciencias del Mar de Chile, Viña del Mar, Chile, 16-20 de Mayo de 2005 (exposición oral / abstract extendido).
Marcoval, M.A. & E.W. Helbling - 2005 - Interactive effect of nutrient concentration and ultraviolet radiation on three marine phytoplankton species. European Society of Photobiology, Aix les Bains, Francia, 3-8 de Septiembre de 2005 (poster / abstract).
Villafañe, V.E., K.S. Gao, P. Li, G. Li & E.W. Helbling - 2005 - In situ variability in photosynthetic quantum yield in phytoplankton assemblages from a freshwater lagoon in Southern China. European Society of Photobiology, Aix les Bains, Francia, 3-8 de Septiembre de 2005 (poster / abstract).
Barbieri, E.S., V.E. Villafañe & E.W. Helbling - 2004 - Efecto de las fluctuaciones de irradiancia producidas por la mezcla vertical en el crecimiento de Dunaliella salina y D. viridis (Chlorophyta). VIII Encuentro Latinoamericano de Fotoquímica y Fotobiología, La Plata, Argentina, 8-12 de Noviembre de 2004 (poster / abstract).
Chornomaz, E., M.E. Etchepare, J. Bustingorry, R. Escaray, E.W. Helbling & H. Zagarese - 2004 - Factores determinantes de la producción primaria en lagunas Pampeanas. 2da Reunion Binacional de Ecologia, Mendoza, Argentina, 31 Octubre - 5 Noviembre, 2004 (poster / abstract).
Flores, M.R., M.E. Farías & E.W. Helbling - 2004 - Producción de compuestos potencialmente fotoprotectores en dinoflagelados marinos por exposición a la RUV. VIII Encuentro Latinoamericano de Fotoquímica y Fotobiología, La Plata, Argentina, 8-12 de Noviembre de 2004 (poster / abstract).
Gonçalves, R.J. & E.W. Helbling - 2004 - Efectos subletales de la radiación ultravioleta en la movilidad de copépodos de agua dulce. VIII Encuentro Latinoamericano de Fotoquímica y Fotobiología, La Plata, Argentina, 8-12 de Noviembre de 2004 (poster / abstract).
Helbling, E.W., E.S. Barbieri, M.A. Marcoval & V.E. Villafañe - 2004 - Impact of ultraviolet radiation on aquatic ecosystems of Patagonia, Argentina. VIII Encuentro Latinoamericano de Fotoquímica y Fotobiología, La Plata, Argentina, 8-12 de Noviembre de 2004 (exposición oral / abstract).
Helbling E.W. & V.E. Villafañe - 2004 - Mecanismos de aclimatación a la radiación ultravioleta (RUV): Rol de los mycosporine-like aminoacids (MAAs). Coloquio de Biotecnología y Química, Tucumán, Argentina, 5-7 Abril de 2004 (exposición oral).
Marcoval, M.A., D.P. Häder, P. Richter & E.W. Helbling - 2004 - Ciclo diario en la concentración de compuestos que absorben RUV en especies de Rodophyta de la costa Patagónica, Argentina. VIII Encuentro Latinoamericano de Fotoquímica y Fotobiología, La Plata, Argentina, 8-12 de Noviembre de 2004 (poster / abstract).
Barbieri, E. S., V. E. Villafañe & E. W. Helbling - 2003 - Evolution of chlorophyll-a and UV-absorbing compounds in the dinoflagellate Heterocapsa triquetra when exposed to ultraviolet radiation. II Plankton Symposium, Vigo, España, 16-19 Octubre, 2003 (poster / abstract).
Figueroa F. L., N. Korbee, J Aguilera, R. Abdala, A. Noren, E. W. Helbling & U. Karsten - 2003 - Ammonium and UV radiation stimulate the accumulation of mycosporine-like amino acids in different species of red algal genus Porphyra. Third European Phycological Congress, Queen’s University, Belfast, UK, 21-26 Julio, 2003 (poster / abstract).
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. Annual Chinese Oceanographic Meeting. Xiamen, China, 27-29 Noviembre de 2003 (poster / abstract).
Marcoval, M.A., E.W. Helbling & V.E. Villafañe - 2003 - Efecto combinado de la radiación ultravioleta y nutrientes en el fitoplancton del Golfo Nuevo (Chubut, Argentina). V Jornadas de Ciencias del Mar, Mar del Plata, Argentina, 8-12 Diciembre de 2003 (poster / abstract).
Villafañe, V. E., K. Gao, R. J. Gonçalves, H. Wu & E. W. Helbling - 2003 - Combined effects of solar UVR and CO2 upon phytoplankton assemblages from the Southeast China Sea. II Plankton Symposium, Vigo, España, 16-19 Octubre, 2003 (poster / abstract).
Gonçalves, R. J., V.E. Villafañe & E. W. Helbling - 2002 - Photorepair mechanisms and protective compounds in two zooplanktonic species, Daphnia menucoensis (Cladocera) and Metacyclops sp. (Copepoda), from freshwater bodies of Patagonia, Argentina. Thirty Annual Meeting of the American Society for Photobiology, Québec, Canada (poster / abstract).
Barbieri, E. S., V. E. Villafañe & E. W. Helbling - 2001 - Phytoplankton photosynthesis in temperate marine ecosystems as affected by ultraviolet radiation and vertical mixing. Twenty-Ninth Annual Meeting of the American Society for Photobiology, Chicago, Illinois, USA, 7 - 12 de Julio de 2001 (poster / abstract).
Helbling, E.W, E.S. Barbieri, R. Gonçalves & V.E. Villafañe - 2001- Investigaciones en Fotobiología en la región Patagónica: Impacto de la RUV en organismos acuáticos. Jornadas Estudiantiles de Ciencias Biológicas, Trelew, Argentina, 1-2 de Noviembre de 2001 (exposición oral).
Buma, A. G. J., E. W. Helbling, M. K. de Boer & V. E. Villafañe - 2000 - Accumulation of cyclobutane pyrimidine dimers induced by solar ultraviolet radiation in mid-latitude marine picoplankton (Bahía Bustamante, Chubut, Argentina). Impacts of UV on aquatic and terrestrial ecosystems. Associated Workshop to the SPARC 2000, Mar del Plata, Argentina, 9 - 11 de Noviembre de 2000 (exposición oral / abstract).
Barbieri, E. S.; V. E. Villafañe & E. W. Helbling - 2000 - Inhibición fotosintética producida por la RUV en el fitoplancton de Bahía Engaño (Chubut, Argentina). IV Jornadas Nacionales de Ciencias del Mar. Puerto Madryn, Argentina, 11 - 15 de Septiembre de 2000 (poster / abstract).
Häder, D-P.; M. Lebert & E. W. Helbling - 2000 - Effects of solar radiation on Patagonian macroalgae. Impacts of UV on aquatic and terrestrial ecosystems. Associated Workshop to the SPARC 2000, Mar del Plata, Argentina, 9 - 11 de Noviembre de 2000 (poster / abstract).
Helbling, E. W.; J. I. Albarracín & V. E. Villafañe - 2000 - Sensibilidad diferencial de especies fitoplanctonicas a la radiación ultravioleta. IV Jornadas Nacionales de Ciencias del Mar. Puerto Madryn, Argentina, 11 - 15 de septiembre de 2000 (poster / abstract).
Helbling, E. W.; R. Goncalves, E. S. Barbieri & V. E. Villafañe - 2000 - Radiación ultravioleta y ozono en Patagonia central. IV Jornadas Nacionales de Ciencias del Mar. Puerto Madryn, Argentina, 11 - 15 de septiembre de 2000 (poster / abstract).
Menchi, C. F. & E. W. Helbling - 2000 - Bioaccumulation of UV-absorbing compounds in amphipods and isopods (Crustacea) from the Patagonia coast (Argentina). Impacts of UV on aquatic and terrestrial ecosystems. Associated Workshop to the SPARC 2000, Mar del Plata, Argentina, 9 - 11 de Noviembre de 2000 (poster / abstract).
Villafañe, V. E., J. I. Albarracín & E. W. Helbling - 2000 - Long-term effects of UVR on growth rates and synthesis of UV-absorbing compounds in marine phytoplanktonic species. Impacts of UV on aquatic and terrestrial ecosystems. Associated Workshop to the SPARC 2000, Mar del Plata, Argentina, 9 - 11 de Noviembre de 2000 (poster / abstract).
Helbling, E. W., E. Barbieri & V. E. Villafañe - 1999 - Sensibilidad a la radiación ultravioleta de comunidades fitoplanctónicas de lagos Andino-Patagónicos. V Congreso Latinoamericano Ficología-99, Puerto Varas, Chile. (exposición oral / abstract).
Helbling, E. W., A. G. J. Buma, M. K. de Boer & V. E. Villafañe - 1999 - Impacto de la radiación ultravioleta solar en la fotosíntesis y en el ADN del fitoplancton de latitudes medias. V Congreso Latinoamericano Ficología-99, Puerto Varas, Chile. (exposición oral).
Helbling, E. W. & V. E. Villafañe - 1999 - Efectos de la Radiación Ultravioleta Solar en Ambientes Acuáticos. IV Jornadas Regionales de Medio Ambiente, Trelew, Chubut, Argentina. (exposición oral / abstract).
Hernández, M. Á., C. F. Menchi & E.W. Helbling - 1999 - Importancia de diferentes dietas de macroalgas en el proceso de bioacumulación de compuestos que absorben RUV en el isópodo Idotea sp. V Congreso Latinoamericano Ficología-99, Puerto Varas, Chile. (poster / abstract).
Villafañe, V. E., H. E. Zagarese, F. Zaratti, M. Andrade & E. W. Helbling - 1999 - Inhibición in situ de la fotosíntesis del fitoplancton de lagos Andinos debido a la radiación ultravioleta. V Congreso Latinoamericano Ficología-99, Puerto Varas, Chile. (poster / abstract).
Helbling, E. W., V. L. Orce & V. E. Villafañe - 1998 - Solar radiation and ozone depletion in Patagonia, Argentina (1994-1997). Understanding Stratospheric Ozone and UV-B Radiation: Past Accomplishments and Future Opportunities. Buenos Aires, Argentina. (poster / abstract).
Helbling, E. W. - 1998 - Radiación Ultravioleta y Ozono. Ciclo de Conferencias: Radiación Solar y Ozono en la Región Patagónica. Trelew, Chubut, Argentina. (exposición oral).
Orce, V. L., A. A. Paladini & E. W. Helbling - 1998 - Relationship between ultraviolet ground-based mesurements in Argentina and the ozone layer. Understanding Stratospheric Ozone and UV-B Radiation: Past Accomplishments and Future Opportunities. Buenos Aires, Argentina. (exposición oral / abstract).
Villafañe, V. E., M. Andrade, A. V. Lairana, F. Zaratti & E. W. Helbling -1998 - Inhibition of phytoplankton photosynthesis by solar ultraviolet radiation: Studies in Lake Titicaca, Bolivia. VIII Encuentro de Física Regional - Norte and IV Reunión Internacional Andina de Física, Arica, Chile. (poster / abstract).
Villafañe, V. E., M. Andrade, A. V. Lairana, F. Zaratti & E. W. Helbling - 1998 - Impact of solar ultraviolet radiation on phytoplankton of lake Titicaca, Bolivia. Understanding Stratospheric Ozone and UV-B Radiation: Past Accomplishments and Future Opportunities. Buenos Aires, Argentina. (poster / abstract).
Halac, S.R. V.E. Villafañe, R.J. Gonçalves & E.W. Helbling - 2011 - Long-term UVR effects upon phytoplankton natural communities off Patagonian coastal waters. En: Remote Sensing of Biomass: Principles and Applications / Book 2, ISBN 978-953-307-490-0 InTech, In Press
Helbling, E.W., V.E. Villafañe & D.-P. Häder – 2010 - Ultraviolet radiation effects on macroalgae from Patagonia, Argentina. In: Israel, A., R. Einav & J. Seckbach (eds.). Seaweeds and their role in globally changing environments. Springer, pp. 199-214.
Helbling, E.W., & V.E. Villafañe – 2008 – Phytoplankton and Primary Production, En Theme 5.5. Fisheries & Aquaculture, edited by Safran, P., in Encyclopedia of Life Support Systems (EOLSS), Developed under the auspices of the UNESCO, Eolss Publishers, Oxford, UK, [http://www.eolss.net ], pp. 206-226.
Neale, P. J., E. W. Helbling & H. E. Zagarese – 2003 - Modulation of UV exposure and effects by vertical mixing and advection. En: UV effects in aquatic organisms and ecosystems. Helbling E. W. & H. E. Zagarese (eds). Comprehensive Series in Photochemistry and Photobiology, European Society of Photobiology. Royal Society of Chemistry, Cambridge, United Kingdom. Capítulo 4, 107-134.
Villafañe, V.E. & E. Walter Helbling. Radiación Ultravioleta Solar en el Lago Titicaca, Bolivia: Efectos y Adaptaciones de los Organismos PlanctÓnicos. En: F. Zaratti y R.F. Gisbert (eds) La RadiaciÓn Ultravioleta en Bolivia. ORGANIZACIÓN PANAMERICANA DE LA SALUD (OPS/OMS) - LABORATORIO DE FÍSICA DE LA ATMÓSFERA (IIF - UMSA). La Paz, Bolivia, 2003. View first pages 123KB
Villafañe, V.E., K. Sundbäck, F.L. Figueroa & E.W. Helbling. 2003. Photosynthesis in the aquatic environment as affected by ultraviolet radiation. En: E.W Helbling & H.E. Zagarese (eds.) UV effects in aquatic organisms and ecosystems. Comprehensive Sciences in Photosciences. The Royal Society of Chemistry, pp. 357-397. Resumen 100KB
Helbling, E. W. & V. E. Villafañe – 2002 - UVR effects on phytoplankton primary production: A comparison between Arctic and Antarctic marine ecosystems. En: UV-Radiation and Arctic Ecosystems. Hessen D. O. (ed). Springer-Verlag. Ecological Series 153, pp. 203-226.
Helbling, E. W. & V. E. Villafañe - 1997 - Efectos de la Radiación Ultravioleta en la Fotosíntesis del Fitoplancton. En: Naturaleza y Efectos de la Radiación Ultravioleta y la Capa de Ozono. Forno G., R. & Andrade F., M. (eds.). Instituto de Investigaciones Físicas - UMSA. La Paz, Bolivia, pp. 43-53.
Holm-Hansen, O., V. E. Villafañe & E. W. Helbling - 1997 - Effects of solar ultraviolet radiation on primary production in Antarctic waters. En: Antarctic Communities: Species, Structure and Survival. Battaglia, B., Valencia, J. & Walton, D. W. H. (eds). Cambridge University Press, Cambridge, U.K., pp.375-380.
Orce, V. L., A. Paladini & E. W. Helbling - 1997 - Radiación Ultravioleta y Ozono Atmosférico: Influencia del Agujero de Ozono en Argentina. En: Naturaleza y Efectos de la Radiación Ultravioleta y la Capa de Ozono. Forno G., R. & Andrade F., M. (eds.). Instituto de Investigaciones Físicas - UMSA. La Paz, Bolivia, pp. 31-41.
Villafañe, V. E., E. W. Helbling & O. Holm-Hansen - 1997 - Distribution of phytoplankton organic carbon in the vicinity of Elephant Island, Antarctica, during the summers of 1990-1993. En: Antarctic Communities: Species, Structure and Survival. Battaglia, B., Valencia, J. & Walton, D. W. H. (eds). Cambridge University Press, Cambridge, U.K., pp. 73-78.
Holm-Hansen, O. & E. W. Helbling - 1995 - Técnicas para la medición de la productividad primaria en el fitoplancton. En: Manual de métodos ficológicos. Alveal K., M. E. Ferrario, E. C. Oliveira & E. Sar (eds.). Universidad de Concepción, Concepción, Chile, 329-350.
Helbling, E. W., V. E. Villafañe & O. Holm-Hansen - 1994 - Effects of ultraviolet radiation on antarctic marine phytoplankton photosynthesis with particular attention to the influence of mixing. En: Ultraviolet Radiation in Antarctica: Measurements and Biological Effects. Weiler, S. & P. Penhale (eds.). American Geophysical Union, Antarctic Research Series, Vol. 62: 207-227.
Holm-Hansen, O., D. Lubin & E. W. Helbling - 1993 - Ultraviolet radiation and its effects on organisms in aquatic environments. En: Environmental UV Photobiology. Young A. R., L. O. Björn, J. Moan and W. Nultsch (eds.). Plenum Press, pp. 379-425.