Institute for Agricultural Plant Physiology and Ecology
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C. Ghersa

CLAUDIO MARCO GHERSA

ghersa@ifeva.edu.ar

Education

  • Ingeniero Agrónomo, 1977, Faculty of Agronomy, Univ. of Buenos Aires, Argentina.

Honors

  • 2003 - Fulbright Fellow. Fulbright Association. USA.
  • 1995 - Vilfrid Baron Award. Academia Nac. Agronomía y Veterinaria.
  • 1993 - Konex Award in Ecological Research.
  • 1987 - Bernardo Houssay Award C.O.N.I.C.E.T.
  • 1985 - Wilfrid Baron Award. Academia Nac. de Agronomia y Veterinaria.
  • 1982 - Dinamica Rural Award.

Positions

  • Associate Professor of Ecology. Dept. Natural Resources and Environment. Since 1991.
  • Principal Researcher (CONICET). Since 2001.

Professional interests

  • Weed Ecophysiology. Agroecosystems.

Courses taught at Faculty of Agronomy (Univ. of B.A.)

  • Weed Ecology.
  • Sustainability of Agroecosystems.
  • Use of systemic methods for the solution of agronomic problems.
  • Ecology of zero tillage agricultural systems.
  • Ecology of stress in grain production systems.

Students

  • Total number of graduate students (Master and PhD): 18.
  • Current graduate students: 7.

Publications (last 5 years)

  • Gundel P.E., Omacini M, Martinez-Ghersa M.A. and Ghersa C.M. (2008). Herbivory mediates grass-endophyte relationships. Comment. Ecology, en prensa.
  • Garau A.M., J H Lemcoff, C M Ghersa, C L Beadle. (2008). Water stress tolerance of Eucalyptus globulus Labill. subsp. maidenii (F.Muell) saplings induced by water restrictions imposed by weeds. Forest Ecology and Management, 255: 2811-2819.
  • Gundel, P.E., M.A. Martínez-Ghersa and C.M. Ghersa. (2008). Dormancy, germination and ageing of Lolium multiflorum seeds produced by plants differing in herbicide selection history. European Journal of Agronomy, en prensa.
  • Vila-Aiub, M.M.; Vidal, R.; Balbi, M.C.; Gundel, P.E.; Trucco, F.; Ghersa, C.M. (2008). Glyphosate-resistant weeds of South American cropping systems: An overview. Pest Management Science 64 : 366-371.
  • Ferraro DO; Ghersa CM. (2007). Exploring the natural and human-induced effects on the assemblage of soil microarthropod communities in Argentina. European Journal of Soil Biology 43:109-119
  • Ferraro DO; Ghersa CM. (2007). Quantifying the crop management influence on arable soil condition in the Inland Pampa (Argentina). Geoderma 141:43-52
  • Ghersa CM; Perelman SB; Burkart SE; León RJC. (2007). Floristic and structural changes related to opportunistic soil tilling and pasture planting in grassland communities of the Flooding Pampa. Biodiversity and Conservation 16:1575-1592
  • Lenardis AE; van Baren C; di Leo Lira P; Ghersa CM. (2007). Plant-soil interactions in wheat and coriander crops driving arthropod assemblies through volatile compounds. European Journal of Agronomy 26:410-417
  • Rolhauser A; Cepeda S; Maseda P; Rotundo JL; Srur AM; Fernandez R; Ghersa CM; León RJC; Perelman SB; Batista WB; Aguiar MR. (2007). Efectos de la frecuencia de corte y la fertilización nitrogenada sobre la estructura de una población implantada deFestuca arundinacea Schreb. Ecología Austral 17:89-98
  • Vila-Aiub MM; Balbi MC; Gundel PE; Ghersa CM; Powles SB. (2007). Evolution of glyphosate-resistant johnsongrass (Sorgum halepense) in glyphosate-resistant soybean. Weed Science 55:566-571
  • de la Fuente EB; Lenardis AE; Suárez SA; Gil A; Ghersa CM. (2006). Insect communities related to wheat and coriander cropping histories and essential oils in the Rolling Pampa; Argentina. European Journal of Agronomy 24:385-395.
  • de la Fuente EB; Suárez SA; Ghersa CM. (2006). Soybean weed community composition and richness between 1995 and 2003 in the Rolling Pampas (Argentina). Agriculture; Ecosystems and Environment 115:229-236.
  • Ghersa CM; Perelman SB; Burkart SE; León RJC. (2006). Floristic and structural changes related to opportunistic soil tilling and pasture planting in grassland communities of the Flooding Pampa. Biodiversity and Conservation DOI 10.1007/s10531-006-9002-4.
  • Gundel PG; Maseda PH; Ghersa CM; Benech Arnold RL. (2006). Effects of the Neotyphodium endophyte fungus on dormancy and germination rate of Lolium multiflorum seeds. Austral Ecology 31:767-775.
  • Gundel PG; Maseda PH; Vila Aiub MM; Ghersa CM; Benech Arnold RL. (2006). Effects of Neotyphodium fungi on Lolium multiflorum seed germination in relation to water availability Annals of Botany 97:571-577.
  • Martínez-Ghersa MA; Ghersa CM. (2006). The relationship of propagule pressure to invasion potential in plants. Euphytica 148:87-96.
  • Radosevich SR; Hibbs DE; Ghersa CM. (2006). Effects of species mixtures on growth and stand development of Douglas-fir and red alder. Candian Journal of Forest Research 36:768-782.
  • Sarasola MM; Rusch VE; Schlichter TM; Ghersa CM. (2006). Invasión de coníferas forestales en áreas de estepa y bosques de ciprés de la cordillera en la Región Andino Patagónica. >Ecología Austral 16:1-10.
  • Semmartin MG; Ghersa CM. (2006). Intraspecific changes in plant morphology; associated with grazing; and effects on litter quality; carbon and nutrient dynamics during decomposition. Austral Ecology 31:99-103.
  • Martínez-Ghersa, M.A. y C.M. Ghersa. (2005). Consecuencias de los recientes cambios agrícolas. Ciencia Hoy: 15: 37-45.
  • Golluscio, RA; Pérez, JA; Paruelo, JM; Ghersa, CM. (2005). Spatial heterogeneity at different grain sizes in grazed versus ungrazed sites of the Patagonian steppe. Ecoscience 12:103-109.
  • Vila Aiub, MM; Ghersa, CM. (2005). Building up resistance by recurrently exposing target plants to sublethal doses of herbicide. European Journal of Agronomy 22:195-207.
  • Vila Aiub, MM; Gundel, PE; Ghersa, CM. (2005). Fungal endophyte infection changes growth attributes in Lolium multiflorum Lam. Austral Ecology 30:49-57.
  • Oesterheld, M; Aguiar, MR; Ghersa, CM; Paruelo, JM, editores. (2005). La heterogeneidad de la vegetación de los agroecosistemas. Un homenaje a Rolando León. Editorial Facultad de Agronomía, Buenos Aires.
    • Ghersa, CM. La sucesión ecológica en los agroecosistemas pampeanos: sus modelos y significado agronómico. pp 195-214 en Oesterheld et al. (op.cit.).
    • Burkart, SE; Garbulsky, MF; Ghersa, CM; Guerschman, JP; León, RJC; Oesterheld, M; Paruelo, J.M. y Perelman, SB. Las comunidades potenciales del pastizal pampeano bonaerense. pp 379-399 en Oesterheld et al. (op.cit.).
  • Omacini, M; Chaneton, EJ; Ghersa, CM. (2005). A hierarchical framework for understanding the ecosystem consequences of endophyte-grass symbioses. pp 141-162 in Roberts, CA; West, CP; Spiers, DE, editors. Neotyphodium in Cool Season Grasses. Blackwell Science, London.
  • Golluscio R.A., J.A. Pérez, J.M. Paruelo and C.M. Ghersa. (2005). Spatial heterogeneity at diferent grain sizes in grazed versus ungrazed sites of the Patagonian steppe. Ecoscience 12: 103-109.
  • Vila-Aiub MM and Ghersa CM. (2005). Building up resistance by recurrently exposing target plants to sub-lethal doses of herbicide. European Journal of Agronomy. 22:195-207.
  • Vila-Aiub MM, Gundel PE and Ghersa CM, (2005). Fungal endophyte infection changes growth attributes in Lolium multiflorum Lam. Australian Journal of Ecology (Austral Ecology): 30: 49-57.
  • Chaneton, E.J., Mazía, C.N., Machera, M., Uchitel, A. y Ghersa, C.M. (2004). Establishment of honey locust (Gleditsia triacanthos) in burned pampean grasslands. Weed Technology 18: 154-158.
  • Martínez-Ghersa MA, Vila-Aiub MM, Ghersa CM, Gundel PE and Satorre EH (2004). Response of Italian ryegrass to herbicide selection in environments with different levels of UVB radiation. Journal of Environmental Quality 33: 1376-1386.
  • Omacini, M., E. Chaneton, C.M. Ghersa and P. Otero. (2004). Do foliar endophytes affect grass litter decomposition? A microcosm approach usin Lolium multiflorum. Oikos, 104: 581-590.
  • Semmartin, M., M.R. Aguiar, R.A. Distel, A.S. Moretto and C.M. Ghersa. (2004). Litter quality and nutrient cycling affected by grazing-induced species replacement along a precipitation gradient. Oikos 107(1):149-161.
  • Vila-Aiub MM, Martínez-Ghersa MA and Ghersa CM. (2003). Evolution of herbicide resistance in weeds: vertically transmitted fungal endophytes as genetic entities. Evolutionary Ecology 17:441-456.
  • de la Fuente, E., S Suarez and C.M. Ghersa. (2003). Weed and insect communities in wheat crops with different management practices. Agronomy Journal, 95: 1542-1549.
  • Ferraro, D.O., C.M. Ghersa and G. Sznaider. (2003). Evaluation of environmental impact indicators using fuzzy logic to assess the mixed cropping systems of the Inland Pampa. Agriculture, Ecosystems and Environment, 2048: 1-18.
  • Radosevich, S.R., Stubbs, Ghersa, C.M. (2003). Plant invasions. Process and patterns. Weed Science 51: 254-259.
  • Vila Aiub, M.M., Ghersa, C.M., Carceller, M. (2003). Effect of herbicide diclofop-methyl on proton extrusion from Lolium multiflorum seedlings differing in resistance and in fungal endophyte (Neotyphodium) infection. Physiologia Plantarum 119: 429-439.

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Last updated: 08/12/08
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