Faculdade de Agronomia Universidade de Buenos Aires




Cátedra de Ecología

Investigación

En esta sección se sintetizan los resultados de la actividad de investigación de la cátedra desde 1983.

1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994
1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006

2006

Adler, P. B.; Garbulsky, M. F.; Paruelo, J. M.; Lauenroth, W. K. Do abiotic differences explain contrasting graminoid functional traits in sagebrush steppe, USA and Patagonian steppe, Argentina?. Journal of Arid Environments, 65: 62-82.

Austin, A. T.; Vivanco, L.. Plant litter decomposition in a semi-arid ecosystem controlled by photodegradation. Nature. 442:555-558.

Austin, A. T., Sala, O. E.; Jackson, R. B. Inhibition of nitrification alters carbon turnover in the Patagonian steppe. Ecosystems, en prensa.

Austin, A. T., G. Piñiero, and M. Gonzalez Polo. (2006). More is less: agricultural impacts on the N cycle in Argentina. Biogeochemistry. 79:45-60.

Caccia, F., Chaneton, E.J.; Kitzberger, T. 2006. Trophic and non-trophic pathways mediate apparent competition through post-dispersal seed predation in a Patagonian mixed forest. Oikos 113: 469-480.

Chaneton, E. Las inundaciones en pastizales pampeanos. Impacto ecológico de las perturbaciones naturales. Ciencia Hoy, 16: 18-31.

Fernández, R.J. 2006. On the frequent lack of response of plants to rainfall events in arid areas. Journal of Arid Environments, en prensa.

Garibaldi, L.A.; Semmartin, M.; Chaneton, E.J. Grazing-induced changes in plant composition affect litter quality and nutrient cycling in Flooding Pampa grasslands. Oecologia, en prensa.

Graff, P., Aguiar, M.R.; Chaneton, E.J. Shifts in relative strength of positive and negative plant neighbor interactions along a grazing intensity gradient. Ecology, en prensa.

Gundel, P. E.; Maseda, P. H.; Vila-Aiub, M. M.; Ghersa, C. M.; Benech Arnold, R. L. Effects of Neotyphodium Fungi on Lolium multiflorum seed germination in relation to water availability. Annals of Botany, 97: 571-577.

Martinelli, L. A., R. W. Howarth, E. Cuevas, S. Filoso, A. T. Austin, L. Donoso, V. Huzsar, D. Keeney, L. L. Lara, C. Llerena, G. McIssac, E. Medina, J. Ortiz-Zayas, D. Scavia, D. W. Schindler, D. Soto, and A. Townsend. The origin and fate of reactive nitrogen in Latin America and the Caribbean. Biogeochemistry. 79:3-24.
Maseda, P.H.; Fernández, R.J. . 2006. Stay wet or else: Three ways in which plants can adjust hydraulically to their environment. Journal of Experimental Botany, en prensa

Mazía, C.N., Chaneton, E.J.; Kitzberger, T. Small-scale habitat use and assemblage structure of ground-dwelling beetles in a Patagonian shrub steppe. Journal of Arid Environments 67: 177-194.

Omacini, M.; Eggers, T.; Bonkowski, M.; Gange, A. C.; Jones, T. H. Leaf endophytes affect mycorrhizal status and growth of co-infected and neighbouring plants. Functional Ecology, 20: 226-232.

Phoenix, G. K.; Hicks, W. K.; Cinderby, S.; Kuylenstierna, J. C.; Stock, W. D.; Dentener, F. J.; Giller, K. E.; Austin, A. T.; Lefroy, R. D.; Gimeno, B. S.; Ashmore, M. R.; Ineson, P. Atmospheric nitrogen deposition in world biodiversity hotspots: the need for a greater global perspective in assessing N deposition impacts. Global Change Biology, 12: 470-476.

Piñeiro, G., Oesterheld, M.; Paruelo, J.M. Seasonal variation in aboveground production and radiation-use efficiency of temperate rangelands estimated through remote sensing. Ecosystems 9, 357-373.

Piñeiro, G., Oesterheld, M.; Batista, W.B.; Paruelo, J.M. Opposite changes of whole-soil vs pools C:N ratios: a case of Simpson's paradox with implications on nitrogen cycling. Global Change Biology 12, 804-809.

Piñeiro, G., Paruelo, J.M.; Oesterheld, M. Potential long-term impacts of domestic herbivores on carbon and nitrogen biogeochemical cycles in South American grasslands. Global Change Biology 12, 1267-1284.

Rotundo, J. L.; Cipriotti, P.; Gundel, P. E. Morphological and growth responses to water stress of two subpopulations of Bromus pictus from soils with contrasting water availability. Revista Chilena de Historia Natural, 79: 65-74.

Semmartin, M. Dinámica de la descomposición y la mineralización neta del nitrógeno y del fósforo de heces de vacunos provenientes de un pastizal templado. Revista Argentina de Producción Animal, en prensa.

Semmartin, M.; Ghersa, C. M. Intraspecific changes in plant morphology, associated with grazing, and effects on litter quality, carbon and nutrient dynamics during decomposition. Austral Ecology, 31: 99-105.

Semmartin, M.; Oyarzábal, M.; Loreti J.; Oesterheld, M. Controls of primary productivity and nutrient cycling in a temperate grassland with year-round production. Austral Ecology (en prensa)

Striker, G.; Insausti, P.; Grimoldi, A.; León, R. J. C. Root strength and trampling tolerance in the grass Paspalum dilatatum and the dicot Lotus glaber in flooded soil. Functional Ecology, 20: 4-10.

Verón, S.R., J.M. Paruelo y M. Oesterheld. Assessing desertification. J. Arid Environments 66, 751-763.

Vivanco, L. and A. T. Austin. Intrinsic effects of species on leaf litter and root decomposition: a comparison of temperate grass species from North and South America. Oecologia. DOI 10.1007/s00442-006-0495-z.

Yahdjian, L., Sala, O.E.; Austin, A.T.. Differential controls of water input on litter decomposition and nitrogen dynamics in the Patagonian steppe. Ecosystems. 9:128-141.

Yahdjian, L. ; Sala, O. E. Vegetation structure constrains primary production response to water availability in the Patagonian steppe. Ecology, 87 (4): 952-962.

Yahdjian, L.; Sala, O. E.; Austin, A. T. Differential controls of water input on litter decomposition and Nitrogen dynamics in the Patagonian Steppe. Ecosystems, 9: 128-141.

2005

Adler, PB; Milchunas, DG; Sala, OE; Burke, IC; Lauenroth, WK. Plant traits and ecosystem grazing effects: comparison of US sagebrush steppe and Patagonian steppe. Ecological Applications 15:774-792.

Aguiar, MR; Cipriotti, PA; Wiegand, T. Procesos poblacionales denso-dependientes y la generación de patrones de heterogeneidad dentro de la comunidad. pp 59-79 en Oesterheld et al. (op.cit.).

Aguiar, MR. Biodiversity in grasslands: current changes and scenarios for the future. pp 273-293 in Reynolds, S; Frame, J, editors. Grasslands: Developments, Opportunities, Perspectives. Food and Agricultural Organization (FAO), Rome.

Altesor, A; Oesterheld, M; Leoni, E; Lezama, F; Rodríguez, C. Effect of grazing on community structure and productivity of a Uruguayan grassland. Journal of Vegetation Science 179:83-91.

Barberis, IM; Lewis, JP; Batista, WB. Heterogeneidad estructural de los bosques de la Cuña Boscosa de Santa Fe en distintas escalas espaciales. pp 43-58 en Oesterheld et al. (op.cit.).

Batista, WB; Taboada, MA; Lavado, RS; Perelman, SB; León, RJC. Asociación entre comunidades vegetales y suelos en el pastizal de la Pampa Deprimida. pp 113-129 en Oesterheld et al. (op.cit.).

Burkart, SE; Garbulsky, MF; Ghersa, CM; Guerschman, JP; León, RJC; Oesterheld, M; J.M., P; Perelman, SB. Las comunidades potenciales del pastizal pampeano bonaerense. pp 379-399 en Oesterheld et al. (op.cit.).

Chaneton, EJ; Perelman, SB; León, RJC. Floristic heterogeneity of Flooding Pampa gasslands: a multi-scale analysis. Plant Biosystems 139:245-254.

Chaneton, EJ. Factores que determinan la heterogeneidad de la comunidad vegetal en diferentes escalas espaciales. pp 19-42 16 en Oesterheld et al. (op.cit.).

Cipriotti, PA; Aguiar, MR. Effects of grazing on patch structure in a semi-arid two-phase vegetation mosaic. Journal of Vegetation Science 16:57-66.

Cipriottti, PA; Aguiar, MR. Interspecific competition interacts with the spatial distribution of a palatable grass to reduce its recruitment. Rangeland Ecology and Management 58:393-399.

Fernández, RJ; Trillo, N. La textura del suelo como fuente de heterogeneidad; sus efectos sobre la oferta de agua para las plantas. pp 171-192 en Oesterheld et al. (op.cit.).

Ghersa, CM. La sucesión ecológica en los agroecosistemas pampeanos: sus modelos y significado agronómico. pp 195-214 en Oesterheld et al. (op.cit.).

Golluscio, RA; Oesterheld, M; Aguiar, MR. Relationship between phenology and life form: a test with 25 Patagonian species. Ecography 28:273-282.

Golluscio, RA; Pérez, JA; Paruelo, JM; Ghersa, CM. Spatial heterogeneity at different grain sizes in grazed versus ungrazed sites of the Patagonian steppe. Ecoscience 12:103-109.

Golluscio, RA. Dimensiones de la heterogeneidad a nivel de comunidad: Profundidad radical y fenología en 25 especies patagónicas. pp 145-169 en Oesterheld et al. (op.cit.).

Grimoldi, AA; Insausti, P; Vasellati, W; Striker, G. Constitutive and plastic root traits and their role in differential tolerance to soil flooding among coexisting species of a lowland grassland. International Journal of Plant Science 166:805-813.

Guerschman, JP; Paruelo, JM. Agricultural impacts on ecosystem functioning in temperate areas of North and South America. Global and Planetary Change 47:170-180.

Kareiva, P; Agard, JBR; Alder, J; Bennett, EM; Butler, C; Carpenter, SR; Cheung, W; Cumming, GS; Defries, R; de Vries, B; Dickson, RE; Dobson, A; Foley, J; Geoghegan, J; Holland, B; Kabat, P; Keymer, J; Kleidon, A; Lodge, D; Manson, S; Mcglade, J; Mooney, H; Parma, A; Pascual, M; Pereira, H; Rosegrnat, M; Ringler, C; Sala, OE; Turner, BL; van Vuuren, D; Wall, DH; Wilkinson, P; Wolters, V. State of the art in simulating future changes in ecosystem services. pp 71-115 in Carpenter, SR; Pingali, P; Bennett, EM; Zurek, M, editors. Ecosystems and Human Well-Being: Scenarios. Island Press, Washington DC.

León, RJC. Vegetación y enseñanza, vocación y pasión. pp 1-16 en Oesterheld et al. (op.cit.).

Insausti, P; Chaneton, EJ; Grimoldi, AA. Las inundaciones modifican la estructura y dinámica de la vegetación en los pastizales de la Pampa Deprimida. pp 253-269 en Oesterheld et al. (op.cit.).

Meyerson, LA; Baron, J; Melillo, JM; Naiman, RJ; O'Malley, RI; Orians, G; Palmer, MA; Pfaff, AS; Running, SW; Sala, OE. Aggregate measures of ecosystem services: can we take the pulse of nature? Frontiers in Ecology and the Environment 3:56-59.

Nosetto, MD; Jobbágy, EG; Paruelo, JM. Land use change and water losses: the case of grassland afforestation across a soil textural gradient in central Argentina. Global Change Biology 11:1-17.

Oesterheld, M; Aguiar, MR; Ghersa, CM; Paruelo, JM, editores. La heterogeneidad de la vegetación de los agroecosistemas. Un homenaje a Rolando León. Editorial Facultad de Agronomía, Buenos Aires.

Oesterheld, M; Aragón, RM; Grigera, G; Oyarzábal, M; Semmartin, M. ¿Cómo deben percibir la heterogeneidad quienes manejan la vegetación de los agroecosistemas? El caso de la Pampa Deprimida. pp 131-144 en Oesterheld et al. (op.cit.).

Pancotto, VA; Sala, OE; Robson, TM; Caldwell, MM; Scopel, AL. Direct and indirect effects of solar ultraviolet-B radiation on long-term decomposition. Global Change Biology 11:1982-1989.

Omacini, M; Chaneton, EJ; Ghersa, CM. 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.

Omacini, M; Tognetti, PM; Trebino, H; Chaneton, EJ. La sucesión postagrícola en la Pampa Interior: invasión y dominancia de plantas exóticas durante los primeros 20 años. pp 215-234 en Oesterheld et al. (op.cit.).

Paruelo, JM; Piñeiro, G; Oyonarte, C; Alcaraz, D; Cabello, J; Escribano, P. Temporal and spatial patterns of ecosystem functioning in protected arid areas in southeastern Spain. Applied Vegetation Science 8:93-102.

Paruelo, JM. ¿Cuánto se han desertificado las estepas patagónicas? Evidencias a partir de la memoria del sistema. pp 303-319 en Oesterheld et al. (op.cit.).

Paruelo, JM; Guerschman, JP; Verón, SR. Expansión agrícola y cambios en el uso del suelo. Ciencia Hoy 15:14-23.

Perelman, SB; Batista, WB; León, RJC. El estudio de la heterogeneidad de la vegetación. Fitosociología y técnicas relacionadas. pp 321-350 en Oesterheld et al. (op.cit.).

Posse, G; Oesterheld, M; Di Bella, DM. Landscape, soil and meterological influences on canopy dynamics of northern flooding Pampa grasslands. Applied Vegetation Science 8:49-56.

Rotundo, JL; Aguiar, MR. Litter effects on plant regeneration in arid lands: a complex balance between seed retention, seed longevity and soil-seed contact. Journal of Ecology 93:829-838.

Sala, OE; van Vuuren, D; Pereira, H; Lodge, D; Alder, J; Cumming, GS; Dobson, A; Volters, W; Xenopoulos, X. Biodiversity across scenarios. pp 375-408 in Carpenter, SR; Pingali, P; Bennett, EM; Zurek, M, editors. Ecosystems and Human Well-Being: Scenarios. Island Press, Washington DC.

Striker, G; Insausti, P; Grimoldi, AA; Ploschuk, E; Vasellati, V. Physiological and Anatomical Basis of Differential Tolerance to Soil Flooding of Lotus corniculatus L. and Lotus glaber Mill. Plant and Soil 276:301-311.

Texeira, M; Paruelo, JM. Demography, population dynamics and sustainability of the Patagonian sheep flocks. Agricultural Systems 87:123-146.

Trillo, N; Fernández, RJ. Wheat plant hydraulic properties under prolonged experimental drought: stronger decline in root-system conductance than in leaf area. Plant and Soil 277:277-284.

Verón, SR; Oesterheld, M; Paruelo, JM. Production as a function of resource availability: slopes and efficiencies are different. Journal of Vegetation Science 16:351-354.

Vila Aiub, MM; Ghersa, CM. 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. Fungal endophyte infection changes growth attributes in Lolium multiflorum Lam. Austral Ecology 30:49-57.

Vila Aiub, MM; Neve, P; Powles, SB. Resistance cost of a chytochrome P450 herbicide metabolism mechanism but not an ACCase target site mutation in a multiple resistant Lolium rigidum population. New Phytologist 167:787-796.

Vila Aiub, MM; Neve, P; Steadman, KS; Powles, SB. Ecological fitness of a multiple herbicide resistant Lolium rigidum population: dynamics of seed germination and seedling emergence of resistant and susceptible phenotypes. Journal of Applied Ecology 42:288-298.

Vila Aiub, MM; Neve, P; Powles, SB. Fitness costs of evolved herbicide resistance. pp 1-3 in Pimentel, D, editor. Encyclopedia of Pest Management. Taylor and Francis, New York.

2004

Adler, P.B.; Milchunas, D.G.; Lauenroth, W.K.; Sala, O.E. and Burke, I. Functional traits of graminoids in semi-arid steppes: A test of grazing histories. Journal of Applied Ecology, 41:653-663.

Alcaraz, D.; Paruelo, J.M.; Oyonarte, C.; Piquer, M.; y Cabello, J. Tipos funcionales de ecosistemas de la Península Ibérica. Implicaciones para el cambio global y la conservación de la Biodiversidad. Ecosistemas, 13:1-8.

Aragón, R. y Groom, M. Invasion by Ligustrum lucidum in NW Argentina: plant characteristics in different habitat types. Journal of Tropical Biology, 51:59-70.

Austin, A.T.; Yahdjian, L.; Stark, J.M.; Belnap, J.; Porporato, A.; Norton, U.; Ravetta, D.A.; Schaeffer, S.M. Water pulses and biogeochemical cycles in arid and semi-arid ecosystems. Oecologia, 141:221-235.

Chaneton, E.J.; Mazia, C.N.; Machera, M.; Uchitel, A. and Ghersa, C.M. Establishment of Honey Locust (Gleditsia triacanthos) in Burned Pampean Grasslands. Weed Technology, 18:1325-1329.

Cipriotti, P.A.; Premoli, A.C.; Aguiar, M.R. ANCESTOR: A program to calculate genetic pairwise relatedness and individual inbreeding coefficients. Journal of Basic & Applied Genetics, 16:1-4.

Epstein, H.E.; Paruelo, J.M.; Piñeiro, G.; Burke, I.C.; Lauenroth, W.K. Interactions of water and nitrogen on primary productivity across spatial and temporal scales in grassland and shrubland ecosystems. (Porporato A. and P. D’Odorico eds.), Dryland ecohydrology. Springer-Verlag, Berlin.

Garbulsky, M.F.; Paruelo, J.M. Remote sensing of protected areas to derive baseline vegetation functioning characteristics. Journal of Vegetation Science, 15:711-720.

Grigera, G.; Oesterheld, M. Mycorrhizal Colonization Patterns Under Contrasting Grazing and Topographic Conditions in the Flooding Pampa (Argentina). Journal of Range Management, 57:601-605.

Huxman, T.E.; Smith, M.; Fay, P.A.; Knapp, A.K.; Shaw, M.R.; Loik, M.E.; Smith, S.D.; Tissue, D.T.; Zak, J.C.; Weltzin, J.F.; Pockman, W.T.; Sala, O.E.; Haddad, B.M.; Harte, J.; Koch, G.W.; Schwinning, S.; Small, E.E. and Williams, D.G. Convergence across biomes to a common rain-use efficiency. Nature, 429:651-654.

Kaye, J.P.; Burke, I.; Mosier, A.R. and Guerschman, J.P. Methane and Nitrous Oxide Fluxes From Urban Soils to the Atmosphere. Ecological Applications, 14:975-981.

Lanctot, R.B.; Blanco, D.E.; Oesterheld, M.; Balbueno, R.A.; Guerschman, J.P.; y Piñeiro, G. Assesing habitat availability and use by buff-breasted sandpipers (Tryngites subruficollis) wintering in South America. Ornitologia Neotropical, 15 (Suppl.).

Martínez-Ghersa, M.A.; Vila Aiub, M.M.; Ghersa, C.M.; Gundel, P.; Satorre, E.H. Herbicide Selection of Italian Ryegrass under Different Levels of UV-B Radiation. Journal of Enviromental Quality, 33:1376-1386.

Mazía, C.N.; Kitzberger, T.; Chaneton, E. Interannual changes in folivory and bird insectivory along a natural productivity gradient in northern Patagonian forests. Ecography, 27:29-40.

Oesterheld, M.; Oyarzábal, M. Grass-to-grass protection from magazing in a semi-arid steppe. Facilitation, competition, and mass effect. Oikos, 107:576-582.

Omacini, M.; Chaneton, E.J.; Ghersa, C.M.; Otero, P. Do foliar endophytes affect grass litter decomposition? A microcosm approach using Lolium multiflorum. Oikos, 104:581-590.

Paruelo, J.M.; Garbulsky, M.F.; Guerschman, J.P. and Jobbágy, E. Two decades of Normalized Difference Vegetation Index changes in South América: identifying the imprint of global change. International Journal of Remote Sensing, 25:2793-2806.

Paruelo, J.M.; Golluscio, R.A.; Guerschman, J.P.; Cesa, A.; Jouve, V.V. and Garbulsky, M.F. Regional scale relationships between ecosystem structure and functioning: the case of the Patagonian steppes. Global Ecology and Biogeography, 13:385-395.

Paruelo, J. M.; Guerschman, J.P.; Baldi, G.; Di Bella, C. La estimación de la superficie agrícola. Antecedentes y una propuesta metodológica. Interciencia, 29:421-427.

Reynolds, J.F.; Kemp, P.R.; Ogle, K.; Fernández, R.J. Modifying the pulse-reserve paradigm for deserts of North America: precipitation pulses, soil water, and plant responses. Oecología, 141:194-210.

Robson, T. M.; Pancotto, V.A.; Ballaré, C.L.; Sala, O.E.; Scopel, A.L. and Caldwell, M.M. Reduction of solar UV-B mediates changes in the Sphagnum capitulum microenvironment and the peatland microfungal community. Oecologia, 140:480-490.

Rotundo, J.L.; Aguiar, M.R. Vertical seed distribution in soil constrains regeneration processes of Bromus pictus in a Patagonian steppe. Journal of Vegetation Science, 15:514-522.

Schwinning, S.; Sala, O.E. Hierarchy of responses to resource pulses in arid and semi-arid ecosystems. Oecologia, 141:211-220.

Schwinning, S.; Sala, O.E.; Loik, M.E.; Ehleringer, J.R. Thresholds, memory, and seasonality: understanding pulse dynamics in arid/semi-arid ecosystems. Oecologia, 141:191-193.

Semmartin, M.; Aguiar, M.R.; Distel, R.A.; Moretto, A.S.; Ghersa, C.M. Litter quality and nutrient cycling affected by grazing-induced species replacements along a precipitation gradient. Oikos, 107:148-160.

Verón, S.R.; Paruelo, J.M.; Slafer, G.A. Interannual variability of wheat yield in the Argentine Pampas during the 20th century. Agriculture, Ecosystems and Enviroment, 103:177-190.

Wiegand, T.; Snyman, H.A.; Kellner, K. and Paruelo, J.M. Do Grasslands Have a Memory: Modeling Phytomass Production of a Semiarid South African Grassland. Ecosystems, 7:243-258.

Zaller, J.G.; Searles, P.S.; Caldwell, M.M.; Flint, S.D.; Scopel, A.L.; Sala, O.E. Growth responses to ultrviolet-B radiation of two Carex species dominating an Argentinian fen ecosystem. Basic and Applied Ecology, 5:153-162.

2003

Amundson, R., Austin, A.T., Schuur, E.A., Yoo, G.K., Matzek, V., Kendall, Uebersax, C.A Brenner, .D., Baisden, W.T. (2003). Global patterns of the isotopic composition of soil and plant nitrogen. Global Biogeochemical Cycles 17:31-1-31-10.

Batista, W.B, Platt, W.B. (2003). Tree population responses to hurricane disturbance: syndromes in a southeastern United States old-growth forest. Journal of Ecology, 91:197-212.

de la Fuente, E., S Suarez, 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, 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.

Giordano C.V., Mori T., Sala O. E., Scopel A. L., Caldwell M. M., Ballaré C. L. (2003). Functional acclimation to solar UV-B radiation in Gunnera magellanica, a native plant species of southernmost Patagonia. Plant Cell and Environment, 26, 2027-2036.

Guerschman, J.P., Paruelo, J.M., Burke, I.C. (2003). Land use impacts on the normalized difference vegetation index in temperate Argentina. Ecological Applications. 13(3) 616-628.

Guerschman, J.P., Paruelo, J.M., Di Bella, C.M., Giallorenzi, M.C., Pacín, F. (2003). Land cover classification in the Argentine Pampas using multitemporal LANDSAT-TM data. International Journal of Remote Sensing 24(17):3381-3402.

Higgins, S., Clark, J.S., Nathan, R., Hovestadt, T., Schurr, F., Fragoso, J.M., Aguiar, M.R., Ribbens, E., Lavorel, S. (2003). Forecasting plant migration rates: managing uncertainty for risk assessment. Journal of Ecology 91:341-347.

López, N. I., A. T. Austin, O. E. Sala, and B. S. Méndez. (2003). Controls on nitrification in a water-limited ecosystem: experimental inhibition of ammonia-oxidising bacteria in the Patagonian steppe. Soil Biology & Biochemistry 35: 1609-1613.

Martínez-Ghersa, M.A., Worster, C.A., Radosevich, S.R. (2003). Concerns a weed scientist still might have about herbicide-tolerant crops: a revisitation. Weed Technology, 17: 202-210.

Ollinger, S., O. E. Sala, G. Agren, B. Berg, E. Davidson, C. B. Field, M. Lerdau, J. Neff, M. Scholes, and R. Sterner. (2003). New frontiers in the study of element interactions. Pages 63-91 In J. M. Melillo, C. B. Field, and B. Moldan, editors. Interactions of the major biogeochemical cycles: Global change and human impacts. Island Press, Washington, DC.

Paruelo, J.M., Aguiar M.R. (2003). Impacto humano sobre los ecosistemas. El caso de la desertificación. Ciencia Hoy 13:48-59.

Perelman, S.B., Burkart, S.E., León, R.J.C. (2003). The role of a native tussock-grass (Paspalum quadrifarium) in structuring plant communities in the Flooding Pampa grasslands, Argentina. Biodiversity and Conservation 12: 225-238.

Perelman, S., Mazzella, M.A., Muschietti, J., Zhu, T., Casal, J.J. (2003). Finding unexpected patterns in microarray data. Plant Physiology 133, 1717-1725

Perez-Flores, L., Carrari, F., Osuna-Fernandez, R., Rodriguez, V., Enciso, S., Staneloni, R., Radosevich, S.R., Stubbs, Ghersa, C.M. (2003). Plant invasions. Process and patterns. Weed Science 51: 254-259.

Robson, T. M., V. A. Pancotto, S. D. Flint, C. L. Ballaré, O. E. Sala, A. L. Scopel, and M. M. Caldwell. (2003). Six years of solar UV-B manipulations affect growth of Sphagnum and vascular plants in a Tierra del Fuego peatland. New Phytologist 160: 379-389.

Sala, O.E. (2003). Almost all about biodiversity. Science 299: 1521.

Vila-Aiub MM, Martinez-Ghersa MA, Ghersa CM (2003). Evolution of herbicide resistance in weeds: vertically transmitted fungal endophytes as genetic entities. Evolutionary Ecology 17:441-456.

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.

2002

Austin, A.T. (2002). Differential effects of precipitation on production and decomposition along a rainfall gradient in Hawaii. Ecology, 83:328-338.

Austin, A. T., and O. E. Sala. 2002. Carbon and nitrogen dynamics across a natural precipitation gradient in Patagonia, Argentina. Journal of Vegetation Science. 13: 351-360.

Chaneton, E.J., Perelman, S.B., Omacini, M. y León, R.J.C. Grazing, environmental heterogeneity, and alien plant invasions in temperate Pampa grasslands. Biological Invasions 4: 7-24.

Fernández, R.J. Do humans create deserts? (Meeting Report). (2002). Trends in Ecology and Evolution, 17:6-7.

Fernández, R.J., Golluscio, R.A., Bisigato, A.J. and Soriano, A. (2002). Gap colonization in the Patagonian semidesert: Seed bank and diaspore morphology. Ecography, 25:336-344.

Fernández, R.J., Wang, M. and Reynolds, J.F. (2002). Do morphological changes mediate plant responses to water stress? A steady-state experiment with two C4 grasses. New Phytologist, 155:79-88.

Folgarait, P. J., and O. E. Sala. 2002. Granivory rates by rodents, insects, and birds at different microsites in the Patagonian steppe. Ecography. 25: 417-427.

Ghersa,C.M., de la Fuente, E.B., Suarez, S. and León, R.J.C. (2002). Woody species invasion in the Rolling Pampa grasslands, Argentina. Agriculture, Ecosystems and Environmental, 88:271-278.

Gil, A., de la Fuente, E.B., Lenardis, A.E., Lopez Pereira, M., Suárez, S.A., Bandoni, A., Van Baren, C., Di Leo Lira, P. and Ghersa, C.M. (2002). Coriander essential oil composition from two genotypes grown in different environmental conditions. Journal of Agricultural and Food Chemistry, 50:2870-2877.

Gil, A., Ghersa, C.M. and Perelman, S.B. (2002). Root thiophenes in Tagetes minuta L. accessions from Argentina: genetic and environmental contribution to changes in concentration and composition. Biochemical Systematics and Ecology, 30:1-13.

Gonzalez, A. and Chaneton, E.J. (2002). Heterotroph species extincion, abundance and biomass dynamics in an experimentally fragmented microecosystem. Journal of Animal Ecology, 71:594-602.

Jobbágy, E.G., Sala, O.E. and Paruelo, J.M. (2002). Patterns and controls of primary production in the Patagonian steppe: a remote sensing approach. Ecology, 83:307-319.

Loreau, M., A. Downing, M. Emmerson, A. Gonzalez, J. Hughes, P. Inchausti, J. Joshi, J. Norberg, and O. E. Sala. 2002. A new look at the relationship between diversity and stability. Pages 79-91. In M. Loreau, S. Naeem, and P. Inchausti, editors. Biodiversity and ecosystem functioning: synthesis and perspectives. Oxford University Press, Oxford.

Loreti, J., M. Oesterheld, and O.E. Sala. (2002). Lack of intraspecific variation in resistance to defoliation in a grass that evolved under light grazing pressure. Plant Ecology 157:195-202.

Veron, S. R., J. M. Paruelo, O.E. Sala, and W.K. Lauenroth. 2002. Environmental controls of primary production in agricultural systems of the Argentine Pampas. Ecosystems. 5: 625-635.

Yahdjian, L., and O. E. Sala. 2002. A rainout shelter design for intercepting different amounts of rainfall. Oecologia. 133:95-101.

Zaller, J. G., M. M. Caldwell, S. D. Flint, A. L. Scopel, O. E. Sala, and C. L. Ballaré. 2002. Solar UV-B radiation affects below-ground parameters in a fen ecosystem in Tierra del Fuego, Argentina: implications of stratospheric ozone depletion. Global Change Biology. 8: 867-871.

2001

Aguiar, M.R. and W.K. Lauenroth. Local and regional difference in abundance of co-dominant grasses in the shortgrass steppe: a modeling analysis of potential causes. Plant Ecology, 156:161-171.

Aguiar, M.R., Lauenroth, W.K. and Peters, D.P. Intensity of intra- and interspecific competition in coexisting shortgrass species. Journal of Ecology, 89:40-47.

Ballaré C.L., Rousseaux M.C., Searles P.S., Zaller J.G., Giordano C.V., Robson T.M., Caldwell M.M., Sala O.E. and Scopel A.L. Impacts of solar ultraviolet-B radiation on terrestrial ecosystems of Tierra del Fuego (southern Argentina). An overview of recent progress. Journal of Photochemistry and Photobiology B: Biology, 62:67-77.

Clark, J.S., Carpenter, S.R., Barber, M., Collins, S., Dodson, A., Foley, J.A., Lodge, D.M., Pascual, M., Pielke Jr., R., Pizer, W., Pringle, C., Reid, W.V., Rose, K.A., Sala, O.E., Schlesinger W.H., Wall and Wear, D. Ecological forecasts: An emerging imperative. Science, 293:657-660.

Chaneton, E.J., M. Omacini, H.J. Trebino y R.J.C. León. Disturbios, dominancia y diversidad de especies nativas y exóticas en pastizales pampeanos húmedos. Anales de la Academia Nacional de Ciencias Exactas, Físicas y Naturales 53: 121-140.

Chapin III, F.S., Sala, O.E. and Huber-Sannwald, E. Global biodiversity in a changing environment. Scenarios for the 21st century. Ecological Studies 152, Springer, New York.

Chapin III, F.S., Sala, O.E. and Huber-Sannwald, E. The future of biodiversity in a changing world. In: Global biodiversity in a changing environment, (Eds. F.S. Chapin III, O.E. Sala and E. Huber-Sannwald), Springer, New York, pp. 1-4.

Fernández, R.J. Impacto global de las actividades agropecuarias. En: Impacto Ambiental en Agrosistemas (Ed. Giuffré, L.), Editorial Facultad de Agronomía, Buenos Aires, pp. 1-17.

Ghersa, C.M., Omacini, M., Ferraro, D. , Martínez-Ghersa, M.A., Perelman, S., Satorre, E.H. y Soriano, A. Estimación de indicadores de sustentabilidad de los sistemas mixtos de producción en la Pampa Interior. Revista Argentina de producción Animal

Insausti, P., Grimoldi, A.A., Chaneton, E.J. and Vasellati, V. Flooding induces a suite of adaptive plastic responses in the grass Paspalum dilatatum. New Phytologist, 152:291-299.

Lauenroth, W.K., H.E. Epstein, J.M. Paruelo, I.C. Burke, M.R. Aguiar y O.E. Sala. Potential effects of climate change on the temperate zones of North and South America. in G.A. Bradshaw and D. Soto (eds.). Disruptions in North and South American landscapes: interactions between natural and humans processes. Springer Verlag.

Loreti, J., M. Oesterheld y O.E. Sala. Lack of intraspecific variation in resistance to defoliation in a grass that evolved under light grazing pressure. Plant Ecology, 157:197-204.

Maddonni, G. A., Cárcova, J. y Ghersa, C. M. Long term cropping effects on maize grown in Argiudoll soils. Agronomy Journal.

Martínez-Ghersa, M.A., Ghersa, C.M., Radosevich, S.R. and Ferraro, D.O. The use of hedges to reduce winter wheat losses caused by Italian ryegrass (Lolium multiflorum). European Journal of Agronomy, 14:61-74.

Mazía, C.N., Chaneton, E.J., Ghersa, C.M. and León, R.J.C. Limits to tree species invasion in pampean grassland and forest plant communities. Oecologia, 128:594-602.

Oesterheld, M., Loreti, J., Semmartin, M. and Sala, O.E. Inter-annual variation in primary production of a semi-arid grassland related to previous-year production. Journal of Vegetation Science, 12:137-142.

Oesterheld, M. y S.J. McNaughton. Herbivory in terrestrial ecosystems. In: Methods in Ecosystem Science. O.E. Sala, R.B. Jackson, H.A. Mooney and R Howarth (eds.). Springer-Verlag.

Omacini, M., Chaneton, E.J., Ghersa, C.M. and Müller, Ch.B. Symbiotic fungal endophytes control insect host-parasite interaction webs. Nature, 409:78-81.

Paruelo, J.M. Temperate Grasslands. Encyclopedia of Global Environmental Change. T. Munn (ed. In: chief). Vol 2. The Earth system: biological and ecological dimensions of global environmental change. (Eds. H.A. Mooney and J. Canadell), John Willey and Sons (Chichester).

Paruelo, J.M., Burke, I.C. and Lauenroth, W.K. Land-use impact on ecosystem functioning in eastern Colorado, USA. Global Change Biology, 7:631-639.

Paruelo, J.M., Jobbágy, E.G. and Sala, O.E. Current distribution of ecosystem functional types in temperate South America. Ecosystems, 4:683-698.

Paruelo, J.M., Oesterheld, M. Di bella, C.M., Arzadum, M., Lafontaine, J., Cahuepé, M. y Rebella, C.M. A calibration to estimate primary production of subhumid rangelands from remotely sensed data. Applied Vegetation Science.

Perelman, S.B., León, R.J.C. and Oesterheld, M. Cross-scale vegetation patterns of flooding pampa grasslands. Journal of Ecology, 89:562-577.

Rousseaux, M. C., A. L. Scopel, P. S. Searles, M. M. Caldwell, O. E. Sala, and C. L. Ballaré. Responses to solar ultraviolet-B radiation in a shrub-dominated natural ecosystem of Tierra del Fuego (southern Argentina). Global Change Biology 7:467-478.

Sala, O.E. Price put on biodiversity. Nature, 412:34-36.

Sala, O.E. Productivity of temperate grasslands. In: Terrestrial Global Productivity, (Eds. H.A. Mooney, B. Saugier and J. Roy), Academic Press, New York, pp 285-300.

Sala, O.E. Temperate grasslands. In: Global Biodiversity in a Changing Environment. (Eds. F.S. Chapin III, O.E. Sala and E. Huber-Sannwald), Springer, New York, pp 121-127.

Sala, O.E., Austin, A.T. and Vivanco, L. Temperate grassland and shrubland ecosystems. Encyclopedia of Biodiversity, 5:627-635.

Sala, O.E., Chapin III, F.S. and Huber-Sannwald, E. Potential biodiversity change: Global patterns and biome comparisons. (Eds. F.S. Chapin III, O.E. Sala and E. Huber-Sannwald), Springer, New York, pp. 351-367.

Semmartin, M. and Oesterheld, M. Effects of grazing pattern and nitrogen availability on primary productivity. Oecologia, 126:225-230.

Suárez, S.A., de la Fuente, E.B., Ghersa, C.M. y León, R.J.C. Weed community as an indicator of summer crop yield and site quality. Agronomy Journal, 93:524-530.

Tomasel, F.G., Paruelo, J.M., Abras, G., Ballarin, V. and Moller, E. Chromaticity-based technique for estimation of aboveground plant biomass. Applied Vegetation Science 4:

Vasellati, V., M. Oesterheld, D. Medan and J. Loreti. Effects of flooding and drought on the anatomy of Paspalum dilatatum Poir. (Poaceae). Annals of Botany 88:355-360.

Vila Aiub, M.M. and Ghersa, C.M. The role of fungal endophyte infection in the evolution of Lolium multiflorum resistance to diclofop-methyl. Weed Research, 41:265-274.

2000

Benech Arnold, R.L., Sánchez, R.A., Forcella, F. Kruk, B. y Ghersa, C.M. Environmental control of dormancy in weed soil seed banks. Field Crops Research, 67: 105-122.

Chaneton, E.J. y Bonsall, M.B. Enemy-mediated apparent competition: empirical patterns and the evidence. Oikos 88: 380-394

Chapin, F. S., E. S. Zavaleta, V. T. Eviner, R. L. Naylor, P. M. Vitousek, H. L. Reynolds, D. U. Hooper, S. Lavorel, O. E. Sala, S. E. Hobbie, M. C. Mack, y S. Diaz. Consequences of Changing Biodiversity. Nature 405:234-242.

Forcella, F., Benech Arnold, R.L., Sánchez. R.A., Ghersa, C.M. Modeling seedling emergence. Field Crops Research, 67: 123-139

Fernández, R.J. & J. F. Reynolds. Potential growth and drought tolerance of eight desert grasses: Lack of a trade-off? Oecologia, 123:90-98.

Ghersa, C.M. Plant phenology and the manaement of crop-weed interactions. Field Crops Research, 67: 91-93

Ghersa, C.M., E.H. Satorre, R.L. Benech Arnold y M.A. Martínez-Ghersa. Advances in weed management strategies. Field Crops Research, 67: 95-104.

Ghersa, C.M. y M.A. Martinez-Ghersa. Ecological correlates of weed seed size and persistence in the soil under different tilling systems: implications for weed management. Field Crops Research, 67: 141-148.

Gil, A., C.M.Ghersa y S. Leicah. Essential oil yield and composition of Tagetes minuta accessions from Argentina. Biochemical Systematics and Ecology, 28: 261-274.

Jackson, R. B., H. J. Schenk, E. G. Jobbágy, J. Canadell, G. D. Colello, R. E. Dickinson, C.B. Field, P. Friedlingstein, M. Heimann, K. Hibbard, D. W. Kicklighter, A. Kleidon, R. P. Neilson, W. J. Parton, O. E. Sala, y M. T. Sykes. Belowground consequences of vegetation change and their treatment in models. Ecological Applications 10: 470-483

Jobbágy, E., y O. Sala. Controls of grass and shrub aboveground production in the Patagonian steppe. Ecological Applications 10: 541-549.

Martínez-Ghersa, M.A., C. M. Ghersa, E. H. Satorre. Coevolution of agricultural systems and their weed companions: implications for research. Field Crops Research, 67: 181-190

Martínez-Ghersa, M.A., C.M. Ghersa, R.L. Benech Arnold, R.MacDonough y R.A.Sanchez. . Adaptive traits regulating dormancy and germination of invasive species. Plant Species Biology.

Paruelo, J.M., Lauenroth, W.K. y Roset P.A. Estimating Aboveground Plant Biomass using Photographic Technique. Journal of Range Management 53: 190-193

Paruelo, J.M., Sala, O.E. y Beltrán, A.B. Long term dynamics of water and carbon in semiarid ecosystems: an analysis in the Patagonian steppe. Plant Ecology.

Sala, O. E., F. S. Chapin, J. J. Armesto, E. Berlow, J. Bloomfield, R. Dirzo, E. Huber Sanwald, L. F. Huenneke, R. B. Jackson, A. Kinzig, R. Leemans, D. M. Lodge, H. A. Mooney, M. Oesterheld, N. L. Poff, M. T. Sykes, B. H. Walker, M. Walker, and D. H. Wall. Global Biodiversity Scenarios for the Year 2100. Science 287:1770-1774

Sala, O. E. Aboveground productivity in temperate grassland ecosystems. In H. A. Mooney,J. Roy, y B. Saugier, editors. Terrestrial Global Productivity. Academic Press, San Diego.

Sala, O., R. Jackson, H. Mooney, y R. Howarth. Eds. Methods in Ecosystem Science. Springer Verlag, New York,.

Sala, O., R. Jackson, H. Mooney, y R. Howarth. in press. Methods in Ecosystem Science: Progress, tradeoffs, and limitations. In: O. Sala, R. Jackson, H. Mooney, y R. Howarth, editors. Methods in Ecosystem Science. Springer Verlag, New York.

Sala, O. y A. Austin. Methods of estimating aboveground net primary production. In: O. Sala, R. Jackson, H. Mooney y R. Howarth, editors. Methods in Ecosystem Science. Springer Verlag, New York.

Wolters, V., W. L. Silver, D. E. Bignell, D. C. Coleman, P. Lavelle, W. van der Putten, P. de Ruiter, J. Rusek, D. H. Wall, D. A. Wardle, L. Brussaard, J. M. Dangerfield, V. K. Brown, K. Giller, D. U. Hooper, O. E. Sala, J. Tiedje, and J. A. van Veen. Effects of global changes on above and belowground biodiversity in terrestrial ecosystems: implications for ecosystem functioning. BioScience 50:1089-1098.

1999

Aguiar, M., y O. Sala. Patch structure, dynamics and implications for the functioning of arid ecosystems. Trends in Ecology and Evolution 14: 273-277.

Austin, A. T., y O. E. Sala. Foliar d15N is negatively correlated with rainfall along the IGBP transect in Australia. Australian Journal of Plant Physiology 26: 293-295.

De la Fuente E., S.A. Suarez, C.M. Ghersa y R.J.C. León. Soybean weed community: relationships with cultural history and crop yield. Agronomy Journal, 91: 234-241.

Ghersa, C.M. y Leon, R.J.C. Landscape changes induced by human activities in the rolling pampas grassland. Proc. VI International Rangeland Congress, 2: 624-628. Queensland, Australia

Ghersa C.M. y R.J.C.León. Successional changes in the agroecosystems of the Rolling Pampas. In: L. R. Walker (Ed.) Ecosystems of disturbed ground. Elsevier., Ch 20: 487-502.

Golluscio R. A., J. M. Paruelo y V. A. Deregibus. Pastoreo con descansos en la Patagonia: Desarrollo de un paquete tecnológico. Revista Argentina de Producción Animal 19: 89-102.

Grimoldi, A. A., Insausti, P., Roitman, G. G. y Soriano, A. Responses to flooding intensity in Leontodon taraxacoides. New Phytol., 141: 119-128.

Handley, L. L., A. T. Austin, D. Robinson, C. M. Scrimegour, J. A. Raven, T. H. E. Heaton, S. Schmidt, y G. R. Stewart. The 15-N natural abundance (d15N) of ecosystem samples reflects measures of water availability. Australian Journal of Plant Physiology 26: 185-199.

Insausti P., E. J. Chaneton y A. Soriano. Flooding reverted grazing effects on plant community structure in mesocosms of lowland grassland. Oikos, 84: 266-276.

Maddonni, G. A.; Iglesias Pérez, M. E.; Cárcova, J. y Ghersa, M. E. Maize flowering dynamic in soils with contrasting agricultural history. Maydica, 44: 141-147.

Maddonni, G.A., S. Urricariet, C.M. Ghersa y R. Lavado. Assesing soil quality with soil properties y maize crop in the Rolling Pampa. Agronomy Journal. 91:280-287.

Oesterheld M., J. Loreti, M. Semmartin y J.M. Paruelo. Grazing, fire, and climate as disturbances of grasslands and savannas. In: Ecosystems of disturbed ground. L. Walker (Ed.). Elsevier, Amsterdam

Paruelo, J., W. Lauenroth, I. Burke, y O.E. Sala. 1999. Grassland precipitation-use Efficiency varies across a resource gradient. Ecosystems 2:64-68.

Paruelo J. M., Garbulsky, M. F., Guerschman J. P. y Oesterheld M. Caracterización regional de los recursos forrajeros de las zonas templadas de Argentina mediante imágenes satelitarias. Revista Argentina de Producción Animal, 19:125-131.

Paruelo, J. M., Lauenroth, W. K., Burke, I. C. y Sala, O. E. Grassland precipitation-use efficiency varies across a resource gradient. Ecosystems, 2:64-68.

Sala, O. E., F. S. Chapin III, R. H. Gardner, W. K. Lauenroth, H. A. Mooney, y P. S. Ramakrishnan. Global Change, Biodiversity and Ecological Complexity. Pages 304-328 in B. H. Walker, W. L. Steffen, J. Canadell, y J. S. I. Ingram, editors. The terresrial biosphere and global change: Implications for natural and managed ecosystems. Cambridge University Press, Cambridge

1998

Aguiar, M., y O. Sala. Interactions among grasses, shrubs, and herbivores in Patagonian grass-shrub steppes. Ecología Austral 8: 201-210.

Austin, A. T. y Vitousek, P. M. Nutrient dynamics on a precipitation gradient in Hawaii. Oecologia, 113: 519-529.

Batista, W. B., Platt, W. J. y Macchiavelli, R. E. Demography of a shade-tolerant tree (Fagus Grandifolia) in a hurricane-disturbed forest. Ecology, 79: 38-53.

Burkart, S. E.; León, R. J. C.; Perelman, S. B. y Agnusdei, M. The Grasslands of the Flooding Pampa (Argentina): Floristic Heterogeneity of Natural Communities of the Southern Río Salado Basin. Coenosis 13:17-27.

Cárcova, J., Maddonni, G. A. y Ghersa, C. M. Crop water stress index of three maize hybrids grown in soils with different quality. Field Crops Research, 55: 165-174.

Chapin III, F. S., Sala, O. E., Burke, I. C., Grime, J. P., Hooper, D. U., Lauenroth, W. K., Lombard, A., Mooney, H. A., Mosier, A. R., Naeem, S., Pacala, S. W., Roy, J., Steffen, W. L. y Tilman, D. Ecosystem consequences of changing biodiversity. BioScience, 48: 45-52.

Golluscio, R. A., Deregibus, V. A. y Paruelo, J. M. Sustainability and range management in teh Patagonia steppes. Ecologia Austral, 8: 265-284.

Golluscio, R. A., Paruelo, J. M., Mercau, J. L. y Deregibus, V. A. Urea supplementation effects on the utilization of low-quality forage and lamb production in Patagonian rangelands. Grass and Forage Science, 53: 47-56.

Golluscio, R. A., Sala, O. E. y Lauenroth, W. K. Differential use of large summer rainfall events by shrubs and grasses: a manipulative experiment in the Patagonian steppe. Oecologia, 115: 17-25.

Jackson, R. B., Sala, O. E., Paruelo, J. M. y Mooney, H. A. Ecosystem water fluxes for two grasslands in elevated CO2: a modeling analysis. Oecologia, 113: 537-546.

León, R. J. C., Bran, D., Collantes, M., Paruelo, J. M. y Soriano, A. Grandes unidades de vegetación de la Patagonia extra andina. Ecología Austral, 8: 125-144.

Oesterheld, M., Aguiar, M. R. y Paruelo, J. M. Ecosistemas patagónicos. Ecología Austral, 8: 75-84.

Oesterheld, M., Di Bella, C. M. y Kerdiles, H. Relation between NOAA-AVHRR satellite data and stocking rate of rangelands. Ecological Applications, 8:207-212.

Paruelo, J. M. y Lauenroth, W. K. Interannual variability of NDVI and its relationship to climate for North American shrublands and grasslands. Journal of Biogeography, 25: 721-733

Paruelo, J. M., Beltrán, A., Jobbágy, E. G., Sala, O. E. y Golluscio, R. A. The climate of Patagonia: general patterns and controls on biotic processes. Ecología Austral, 8:85-101.

Paruelo, J. M., E. G. Jobbágy y O. E. Sala. Biozones of Patagonia (Argentina). Ecología Austral 8:145-153.

Paruelo, J. M., Jobbágy, E. G., Sala, O. E., Lauenroth, W. K. y Burke, I. C. Functional and structural convergence of temperate grassland and shrubland ecosystems. Ecological Applications, 8: 194-206.

Quinos, P. M., Insausti, P. y Soriano, A. Facilitative effect of Lotus tenuis on Paspalum dilatatum in a lowland grassland of Argentina. Oecologia, 114: 427-431

Schulze, E. D., Caldwell, M. M., Canadell, J., Mooney, H. A., Jackson, R. B., Parson, D., Scholes, R., Sala, O. E. y Trimborn, P. Downward flux of water through roots (i.e. inverse hydraulic lift) in dry Kalahari sands. Oecologia, 115: 460-462.

1997

Aguiar, M. R. y Sala, O. E. Seed distribution constrains the dynamics of the Patagonian steppe. Ecology, 78: 93-100.

Ballaré, C. L. y Scopel, A. L. Phytochrome signalling in plant canopies: testing its population-level implications with photoreceptor mutants of Arabidopsis. Functional Ecology, 11: 441-450.

Batista, W. B. y Platt, W. J. An old-growth definition for southern mixed hardwood forests. Gen. Tech. Rep. SRS-9. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station, 11pp.

Chapin, F. S., Walker, B. H., Hobbs, R. J., Hooper, D. U., Lawton, J. H., Sala, O. E. y Tilman, D. Biotic controls over the functioning of ecosystems. Science, 277: 500-504.

Ghersa, C. M., Benech-Arnold, R. L. y Satorre, E. H. Weed population dynamics and integrated weed management. En: S. G. Pandalai (Ed.), .Recent Research Development in Agronomy, Research Signpost, India, 1: 59-73.

Ghersa, C. M., Martínez-Ghersa, M. A. y Benech-Arnold, R. L. Seed dormancy implications in grain and forage production. Journal of Prod. Agric., 10: 111-117.

Martínez-Ghersa, M. A., Ghersa, C. M., Vila-Aiub, M. M., Satorre, E. H. y Radosevich, S. R. Evolution of resistance to diclofop-methyl in ryegrass (Lolium multiflorum): Investigation of the role of introgression with related species. Pesticide Science, 51: 305-308.

Martínez-Ghersa, M. A., Satorre, E. H. y Ghersa, C. M. Effect of soil water content and temperature on dormancy breaking and germination of weeds. Weed Science, 45: 791-797.

Paruelo, J. M. y Tomasel, F. Prediction of functional characteristics of ecosystems: a comparison of artificial neural networks and regression models. Ecological Modelling, 98: 173-186.

Paruelo, J. M., Epstein, H. E., Lauenroth, W. K. y Burke, I. C. ANPP estimates from NDVI for the central grassland region of the United States. Ecology, 78: 953-958.

Perelman, S. B., León, R. J. C. y Bussacca, J. P. Floristic changes related to grazing intensity in a Patagonian shrub steppe. Ecography, 20: 400-406.

Radosevich S. R., Holt, J. y Ghersa, C. M. Weed Ecology. Implications for management. Second Edition. J. Wiley and Sons, Inc., NY., 589 pp.

Rubio, G., Oesterheld, M., Alvarez, C. R. y Lavado, R. S. Mechanisms for the increase in phosphorus uptake of waterlogged plants: soil phosphorus availability, root morphology and uptake kinetics. Oecologia, 112: 150-155.

Rusch, G. M. y Oesterheld, M. Relationship between productivity, and species and functional group diversity in grazed and non-grazed Pampas grassland. OIKOS, 78: 519-526.

Sala, O. E. y Paruelo, J. M. Ecosystem servicies in grasslands. In: G. C. Daily (Ed.). Nature's Services: Societal Dependence on Natural Ecosystems. Part III. Services supplied by major biomes, pp 237-251, Island Press, Washington, D. C.

Sala, O. E., Lauenroth, W. K. y Golluscio, R. A. Plant functional types in temperate arid regions. En: T. M. Smith, H. H. Shugart y F. I. Woodward (Eds.). Plant Functional types. Their relevance to ecosystem properties and global change. Cambridge University Press, pp 217-233.

1996

Aguiar, M. R., Paruelo, J. M., Sala, O. E. y Lauenroth, W. K. Ecosystem responses to changes in plant functional type composition: An example from the Patagonian steppe. Journal of Vegetation Science, 7: 381-390

Canadell, J., R. B. Jackson, J. R. Ehleringer, H. A. Mooney, O. E. Sala, and E. D. Schulze. 1996. Maximum rooting depth of vegetation types at the global scale. Oecologia 108: 583-606.

Chaneton, E. J. y Lavado, R. S. Soil nutrients and salinity after long-term grazing exclusion in a Flooding Pampa grassland. Journal of Range Management, 49: 182-187.

Chaneton, E. J., Lemcoff, J. H. y Lavado, R. S. Nitrogen and phosphorus cycling in grazed and ungrazed plots of a temperate subhumid grassland in Argentina. Journal of Applied Ecology, 33: 291-302.

Jackson, R. B., Canadell, J., Ehleringer, J. R., Mooney, H. A., Sala, O. E. y Schulze, E. D. A global analysis of root distributions for terrestrial biomes. Oecologia, 108: 389-411.

Jobbágy, E., Paruelo, J. M. y León, R. J. C. Vegetation heterogeneity and diversity in flat and mountain landscapes of Patagonia (Argentina). Journal of Vegetation Science, 7: 599-608.

Loreti, J. y Oesterheld, M. Intraspecific variation in the resistance to flooding and drought in populations of Paspalum dilatatum from different topographic positions. Oecologia, 108: 279-284.

Melillo, J. M., Prentice, I. C., Farquhar, G. D., Schulze, E. D. y Sala, O. E. Terrestrial biotic responses to environmental change and feedbacks to climate. In: J. T. Houghton, L. G. Meira Filho, B. A. Callander, N. Harris, A. Kattenberg y K. Maskells (Eds.). Climate Change 1995: The Science of Climate Change, Cambridge, Cambridge University Press, pp. 444-481.

Mooney, H. A., Cushman, J. H., Medina, E., Sala, O. E. y Schulze, E. D. Introduction. In: H.A. Mooney, J. H. Cushman, E. Medina, O. E. Sala, y E. D. Schulze (Eds.).Functional Roles of Biodiversity: A Global Perspective. J. Wiley & Sons, Chichester, NY, pp. 1-6.

Mooney, H. A., Cushman, J. H., Medina, E., Sala, O. E. y Schulze, E. D. Conclusions. In: H. A. Mooney, J. H. Cushman, E. Medina, O. E. Sala, y E. D. Schulze (Eds.). Functional Roles of Biodiversity: A Global Perspective. J. Wiley & Sons, Chichester, NY, pp. 475-484.

Mooney, H. A., Cushman, J. H., Medina, E., Sala, O. E. y Schulze, E. D. Functional Roles of Biodiversity: A Global Perspective. J. Wiley & Sons, Chichester, NY.

Paruelo, J. M. y W. K. Lauenroth. Relative abundance of plant functions types in grasslands and shrublands of North America. Ecological Applications, 6: 1212-1224.

Sala, O. E., and M. R. Aguiar. 1996. Origin, maintenance, and ecosystem effect of vegetation patches in arid lands. Pages 29-32 in N. West, editor. Rangelands in a Sustainable Biosphere. Society for Range Management, Denver.

Sala, O. E. Global Change and Ecological Complexity. In: B. Walker y W. Steffen (Eds.). Global Change and Terrestrial Ecosystems. Cambridge University Press, Cambridge, pp. 341-345.

Sala, O. E., Lauenroth, W. K. y Burke, I. C. Carbon budgets of temperate grasslands and the effects of global change. In: J. M. Melillo y A. Breymeyer (Eds.). Global Change; Effects of Coniferous Forests and Grasslands, John Wiley & Sons, Chichester, NY, pp. 101-119.

Sala, O. E., Lauenroth, W. K., McNaughton, S. J., Rusch, G. Y Zhang, X. Biodiversity and Ecosystem Function in Grasslands. In: H. A. Mooney, H. Cushman, E. R. Medina, O. E. Sala y E. D. Schulze (Eds.). Functional Roles of Biodiversity: A Global Perspective. John Wiley & Sons, Chichester, NY, pp. 129-149.

Schulze, E. D., Mooney, H. A., Sala, O. E., Jobbagy, E., Buchmann, N., Bauer, G., Canadell, J., Jackson, R. B., Loreti, J., Oesterheld, M. y Ehleringer, J. R. Rooting depth, water availability, and vegetation cover along an aridity gradient in Patagonia. Oecologia, 108: 503-511.

Semmartin, M. y Oesterheld, M. Effect of grazing pattern on primary productivity. Oikos, 75: 431-436.

1995

Cushman, J., R. Dirzo, A. Janetos, J. Lubchenco, H. Mooney, y O. Sala. Introduction. Pages In: H. Mooney, J. Lubchenco, R. Dirzo, & O. Sala, editor. Global Biodiversity Assessment, Biodiversity and Ecosystem Functioning: Basic Principles. Cambridge University Press

Cushman, J., R. Dirzo, A. Janetos, J. Lubchenco, H. Mooney, y O. Sala. Conclusions. Pages In: H. Mooney, J. Lubchenco, R. Dirzo, & O. Sala, editor. Biodiversity and Ecosystem Functioning: Basic Principles. Global Biodiversity Assessment, Cambridge University Press

Cushman, J., R. Dirzo, A. Janetos, J. Lubchenco, H. Mooney, y O. Sala. Introduction. Pages In: H. Mooney, J. Lubchenco, R. Dirzo, & O. E. Sala, editor. Biodiversity and Ecosystem Functioning: Ecosystem Analyses. Global Biodiversity Assessment, Cambridge University Press.

Cushman, J., R. Dirzo, A. Janetos, J. Lubchenco, H. Mooney, y O. Sala. Conclusions. Pages In: H. Mooney, J. Lubchenco, R. Dirzo, & O. Sala, editor. Biodiversity and Ecosystem Functioning: Ecosystem analyses. Global Biodiversity Assessment, Cambridge University Press.

Deregibus, V. A., Jacobo, E. y Rodriguez, A. Improvement in rangeland condition of the Flooding Pampa of Argentina through controlled grazing. Afr. J. Range For. Sci., 12: 92-96.

Ghersa, C. M. y Holt, J. S. Using phenology prediction in weed management: a review. Weed Research, 35: 461-470

Jackson, R. B., Y. Luo, Z. G. Cardon, O. E. Sala, C. B. Field, y H. A. Mooney. Photosynthesis, growth and density for the dominant species in a CO2-enriched grassland. Journal of Biogeography, 22: 221-225.

Jobbágy, E.; Paruelo, J. M. y León, R. J. C. Estimación del régimen de precipitación a partir de la distancia a la cordillera en el noroeste de la Patagonia. Ecología Austral, 5:47-53.

Mooney, H. A.; Lubchenco, J.; Dirzo, R y Sala, O. E. Biodiversity and ecosystem functioning: Basic Principles, Section 5. Global Biodiversity Assessment, Cambridge University Press.

Mooney, H. A.; Lubchenco, J.; Dirzo, R y Sala, O. E. Biodiversity and ecosystem functioning: Ecosystem Analyses, Section 6. Global Biodiversity Assessment, Cambridge University Press.

Oesterheld, M., y O. E. Sala. Modelos ecológicos tradicionales y actuales para interpretar la dinámica de la vegetación: El caso del pastizal de la Pampa Deprimida. Revista Argentina de Producción Animal, 14: 9-14.

Omacini, M.; Chaneton, E. J.; León, R. J. C. y Batista, W. B. Old-field successional dynamics on the Inland Pampa, Argentina. Journal of Vegetation Science, 6: 309-316.

Parton, W., J. Scurlock, D. Ojima, D. Schimel, D. Hall, M. Coughenour, E. Garcia Moya, T. Gilmanov, A. Kamnalrut, J. Kinyamario, T. Kirchner, T. Kittel, J. Menaut, O. E. Sala, R. Scholes, and J. van Veen. Impact of climate change on grassland production and soil carbon worldwide. Global Change Biology 1:13-22.

Paruelo, J. M. y Lauenroth, W. K. Regional patterns of NDVI in North American shrublands and grasslands. Ecology, 76: 1888-1898.

Paruelo, J. M. y Sala, O. E. Water losses in the Patagonian Steppe: A modelling approach. Ecology, 76: 510-520.

Paruelo, J. M., W. K. Lauenroth, H. E. Epstein, I. C. Burke, M. R. Aguiar, y O. E. Sala. Regional climatic similarities in the temperate zones of North and South America. Journal of Biogeography 22: 2689-2699

Sala, O. E. Human-induced perturbations, biodiversity and ecosystem functioning. In: H. A. Mooney, J. Lubchenco, R. Dirzo y o.E. Sala, editors. Global Biodiversity Assessment, Section 5, Cambridge University Press.

Sala, O. E.; Lauenroth, W. K.; McNaughton, S. J.; Rusch, G. y Zhang, X. Temperate Grasslands, In: H. A. Mooney, J. Lubchenco, R. Dirzo y O. E. Sala, editors. Global Biodiversity Assessment, Section 6, Cambridge University Press

Trebino, H. J., Chaneton, E. J. y León, R. J. C. Flooding, topography, and successional age as determinants of species diversity in old-field vegetation. Canadian Journal of Botany, 74: 582-588.

1994

Aguiar, M. R. y Sala O. E. Competition, facilitation, seed distribution, and the origin of patches in a Patagonian steppe. Oikos, 70: 26-34.

Ghersa, C. M.; M. A. Martínez-Ghersa; J. J. Casal; M. Kaufman; M. L. Roush y V. A. Deregibus. Effect of light on winter wheat (Triticum aestivum) and Italian reygrass (Lolium multiflorum) competiton. Weed Technology, 8: 37-45.

Ghersa, C. M.; M. A. Martínez-Ghersa; T. G. Brewer y M. L. Roush. Use of gene flow to control diclofop-Methyl resistance in Italian ryegrass (Lolium multiflorum). Weed Technology, 8: 139-147

Ghersa, C. M.; M. A. Martínez-Ghersa; T. G. Brewer y M. L. Roush. Selection pressures for diclofop-methyl resistance and germination time of italian ryegrass. Agronomy Journal, 86(5): 823-828.

Ghersa, C. M.; M. L. Roush; S. R. Radosevich y S. M. Cordray. Coevolution of agroecosystems and weed management. BioScience, 44(2): 85-94.

Golluscio R. A., Roset P. A., Sala O. E. y Paruelo, J. M. Modelos en Ecología. Ecología Austral, 4: 123-132.

Jackson, R. B.; O. E. Sala; C. B. Field y H. A. Mooney. CO2 alters water use, carbon gain, and yield for the dominant species in a natural grassland. Oecologia, 98: 257-262.

Lauenroth, W. K., Sala, O. E., Coffin, D. P. y Kirchner T. B. Recruitment of Boteloua gracilis in the shortgrass steppe: a simulation analysis of the role of soil water. Ecological Applications

Lemcoff, JH; Guarnaschelli, AB.; Garau, AM.; Bascialli, M.E. y Ghersa, CM. Osmotic adjustment and its use as a selection criterion in Eucalyptus seedlings. Can J. For Res. 24: 2404-2408.

Loreti, J; M. Oesterheld y R. J. C. León. Efectos de la interacción del pastoreo y la inundación sobre Paspalum dilatatum, un pasto nativo de la Pampa Deprimida. Ecología Austral, 4: 49-58.

Oesterheld, M. y R. J. C. León. Cambios en la compactación del suelo durante el envejecimiento de pasturas implantadas. Rev. Arg. de Producción Animal, 13(2): 149-153

Paruelo, J. M. y R. A. Golluscio. Range assessment using remote sensing in Northwest Patagonia (Argentina). J. Range Management, 47: 498-502

Sala, O. E., Lauenroth, W. K. y Burke, I. C. Carbon budgets of temperate grasslands and the effects of global change. In: Melillo, J. M. y A. Breymeyer (eds.) Global Change

Sala, O. E., Lauenroth, W. K. y Golluscio, R. A. Plant Functional Types in Temperate Arid Regions. In: T.M. Smith, Shugart, H. H. y Woodward F. I. (eds.) Plant Functional Types. Cambridge University Press.

Soriano, A.; O. E. Sala y S. B. Perelman. Patch structure and dynamics in a Patagonian arid steppe. Vegetatio, 111: 127-135.

1993

Ghersa, C. M. y M. L. Roush. Searching for solutions to weed problems. BioScience, 43(2):104-109.

Ghersa, C. M., M. A. Martínez-Ghersa, E. H. Satorre, M. L. Van Esso y G. Chichotky. Seed dispersal, distribution and recruitment of seedlings of Sorghum halepense (L.) Pers. Weed Research, 33: 79-88

Golluscio, R. A. y O. E. Sala. Plant functional types and ecological strategies in Patagonian forbs. Journal of Vegetation Science, 4: 839-846.

McNaughton, S. J., O. E. Sala, and M. Oesterheld. Comparative ecology of African and South American arid to subhumid ecosystems. Pages 548-567 in P. Goldblatt, editor. Biological Relationships between Africa and South America. Yale University Press, New Haven

Mooney, H. A. y O. E. Sala. Science and sustainable use. Ecological Applications, 3(4): 564-566.

Oesterheld, M. y R. J. C. León. Cambios en la compactación del suelo durante el envejecimiento de pasturas implantadas. Rev. Arg. Prod. Animal, 13(2): 149-153

Paruelo, J. M. y O. E. Sala. Effect of global change on maize production in the Argentinean Pampas. Climate Research, 3: 161-167.

Paruelo, J. M.; Aguiar, M. R.; Golluscio, R. A.; León, R. J. C. y Pujol, G. Environmental controls of NDVI dynamics in Patagonia based on NOAA-AVHRR satellite data. Journal of Vegetation Science, 4: 425-428.

1992

Aguiar, M. R., A. Soriano y O. E. Sala. Competition and facilitation in the recruitment of seedlings in Patagonian steppe. Functional Ecology, 6: 66-70.

Batista, W. B. y R. J. C. León. Asociación entre comunidades vegetales y algunas propiedades del suelo en el centro de la Depresión del Salado. Ecología Austral, 2: 47-55

Fernández A., A. H. Nuñez y A. Soriano. Contrasting demography of two Patagonian shrubs under different conditions fo sheep grazing and resource supply. Oecologia, 91: 39-46.

Ghersa, C. M., R. L. Benech Arnold y M. A. Martínez-Ghersa. The role of fluctuating temperatures in germination and establishment of Sorghum halepense. Regulation of germination at increasing depths. Functional Ecology, 6: 460-468.

Lauenroth, W. K. y O. E. Sala. Long-term forage production of North American shortgrass steppe. Ecological Applications, 2(4): 397-403.

Maxwell, B. D. y C. M. Ghersa. The influence of weed seed dispersion versus the effect of competition on crop yield. Weed Ecology, 6: 196-204.

Oesterheld, M. Effect of defoliation intensity on aboveground and belowground relative growth rates. Oecología, 92: 313-316.

Oesterheld, M., O. E. Sala y S. J. McNaughton. Effect of animal husbandry on herbivore-carrying capacity at a regional scale. Nature, 356.

Paruelo, J. M., M. R. Aguiar, R. A. Golluscio y R. J. C. León. La patagonia extraandina: análisis de la estructura y el funcionamiento de la vegetación a distintas escalas. Ecología Austral, 2: 123-136.

Radosevich, S. R. y C. M. Ghersa. Weeds, Crops, and Herbicides: A Modern-Day "Neckriddle". Weed Technology, 6: 788-795.

Radosevich, S. R., C. M. Ghersa y G. Comstock. Concerns a weed scientist might have about herbicide-tolerant crops. Weed Technology, 6: 635-639.

Sala, O. E. Achieving a sustainable biosphere: an international endeavour. Trend. Ecol. Evolut., 7: 324-325.

Sala, O. E., W. K. Lauenroth y W. J. Parton. Long-term soil water dynamics in the shortgrass steppe. Ecology, 73: 1175-1181.

Sala, O. E. Structure and function. Pages 387-395 in A. Soriano (editors) Río de la Plata Grasslands. In R.T. Coupland, editor. Ecosystems of the World, Volume 8A, Natural Grasslands. Elsevier Scientific Publishing Company, Amsterdam.

Soriano, A. Present conditions in the Patagonian rangelands, in relation to potential impacts of a global change. Climate Change, Intergovernmental Panel on Climate Change, Response Strategies Working Group. Proceedings of a Workshop on Assessing technologies and management systems for Agriculture and Forestry in relation to Global Climate Change. Canberra, Australia, 20-23 January.

Soriano, A. y J. M. Paruelo. Biozones: vegetation units defined by functional characters identifiable with the aid of satellite sensor images. Global Ecology and Biogeography Letters, 2: 1-8

Soriano, A., R. J. C. León, O. E. Sala, R. S. Lavado, V. A. Deregibus, M. A. Cahuepe, O. A. Scaglia, C. A. Velázquez y J. H. Lemcoff. Río de la Plata grasslands. In: Coupland, R.T. (ed.) Ecosystems of the world 8A. Natural grasslands. Introduction and western hemisphere. Elsevier, New York, pp. 367-407.

1991

Biondini, M. E.; W. K. Lauenroth y O. E. Sala. Correcting estimates of net primary production: Are we overestimating plant production in rangelands? Journal of Range Management, 44(3): 194-198.

Chaneton, E. J. y J. M. Facelli. Disturbance effects on plant community diversity: spatial scales and dominance hierarchies. Vegetatio, 93: 143-155

Fernández, A. R. J.; O. E. Sala y R. A. Golluscio. Woody and herbaceous aboveground production of a Patagonian steppe. Journal of Range Management, 44: 434-437.

Ghersa, C. M. y M. A. Martínez-Ghersa. A field method for predicting yield losses in maize caused by Johnsongrass (Sorghum halepense). Weed Technology, 5: 279-285.

Hall, A. J.; Rebella, C. M.; Ghersa, C. M. y Culot, J. Ph. Field crop systems of the Pampas. En: Pearson, C.J. (ed.) Field Crop Ecosystems , un volumen de la serie Ecosystems of the World publicada por Elsevier (Editor-in-chief D.W.Goodall) Vol. 19, pp. 413-450

Huntley, B. J., E. Ezcurra, E. R. Fuentes, K. Fujii, P. J. Grubb, W. Haber, J. R. E. Harger, M. M. Holland, S. A. Levin, J. Lubchenco, H. A. Mooney, V. Neronov, I. Noble, H. R. Pulliam, P. S. Ramakrishnan, P. G. Risser, O. E. Sala, J. Sarukhan, and W. G. Sombroek. A sustainable biosphere: the global imperative. Ecology International 20:1-14.

McNaughton, S. J.; M. Oesterheld; D. A. Frank y K. J. Williams. Primary and secondary production in terrestrial ecosystems. En: J. J. Cole, G. M. Lovett and S. Findlay (eds.) Comparative analyses of ecosystem. Patterns, mechanisms and theories, pp. 120-139. Springer-Verlag, New York.

Oesterheld, M. y McNaughton, S. J. Effect of stress and time for recovery on the amount of compensatory growth after grazing. Oecologia, 85: 305-313.

Oesterheld, M. y McNaughton, S. J. Interactive effect of flooding and grazing on the growth of Serengeti grasses. Oecologia, 88: 153-156

Paruelo, J. M.; Aguiar, M. R. y Golluscio, R. A. Evaporation estimates in arid environments: An evaluation of methods for the Patagonian Steppe. Agricultural and Forest Meteorology, 55: 127-132.

Paruelo, J. M.; M. R. Aguiar; R. J. C. León; R. A. Golluscio y W. B. Batista. The use of satellite imagery in quantitative phytogeography: A case study of Patagonia (Argentina). In: Quantitative Approaches to Phytogeography, pp. 183-204, P.L. Nimis y T.J. Crovello (eds.). Kluwer Academic Publishers, The Netherlands.

Ravetta, D.; A. Soriano y P. Cattaneo. Colliguaya integerrima as a possible new crop. Economic Botany, 45: 288-290

Soriano, A. (ed.) Temperate subhumid grasslands of South America. In: Temperate subhumid grasslands. R. T. Coupland (ed.) Ecosystems of the World, Volume 8A, Natural Grasslands. With sections by R. J. C. León (Geographic Limits, Geomorphology and Geology, Regional Subdivisions and Vegetation); O. E. Sala (Structure and Function); R. S. Lavado (Soils); J. H. Lemcoff (Climate); A. Soriano, V. A. Deregibus and R. S. Lavado (Land use); M. A. Cahuepé, C. A. Velazquez and O. A. Scaglia (Fauna). Elsevier Scientific Publishing Company, Amsterdam. 367-407 pp. Ç

1990

Benech Arnold, R. L.; Ghersa, C. M.; Sánchez, R. A. y Insausti, P. Temperature effects on dormancy release and germination rate in Sorghum halepense (L.) Pers. seeds: A quantitative analysis. Weed Research 30: 81-89.

Benech Arnold, R. L.; Ghersa, C. M.; Sánchez, R. A. y Insausti, P. A mathematical model to predict Sorghum halepense (L.) Pers. seedling emergence in relation to soil temperature. Weed Research 30: 91-99.

Facelli, J. M. y D'Angela, E. Directionality, convergence, and rate of change during early succession in the Inland Pampa, Argentina. Journal of Vegetation Science 1: 255-260.

Facelli, J. M. y Pickett, S. T. A. Markovian chains and the role of history in succession. Trends in Ecology and Evolution 5: 27-29.

Ghersa, C. M.; Satorre, E. H.; Van Esso, M. L.; Pataro, A. y Elizagaray, R. The use of thermal calendar models to improve the efficiency of herbicide applications in Sorghum halepense (L.) Pers. Weed Research 30: 153-160

Golluscio, R. A.; J. M. Paruelo y M. R. Aguiar. Simulation models for educational purposes: an example on the coexistence of plant populations. Journal of Biological Education 24: 81-86.

McCarthy, B. C. y Facelli, J. M. Microdisturbances in old fields and forests: implications for woody seedling establishment. OIKOS 58: 55-60.

McNaughton, S. J. y Oesterheld, M. Extramatrical mycorrhizal abundance and grass nutrition in a tropical grazing ecosystem, the Serengeti National Park. Tanzania. OIKOS 59: 92-96.

Naranjo, C. A.; Arias, F. H.; Gil, F. E. y Soriano, A. Bromus pictus of the Bromus setifolius complex (section Pnigma): numerical taxonomy and chromosome evidence for species rank. Canadian Journal of Botany 68: 2493-2500.

Oesterheld, M. y Sala, O. E. Effects of grazing on seedling establishment: the role of seed and safe-site availability. Journal of Vegetation Science 1: 353-358.

Paruelo J. M. y Sala O. E. Caracterización de las inundaciones en la Depresión del Salado: dinámica de la capa freática. Turrialba 40: 5-11.

Soriano, A. Missing strategies for water capture in the Patagonian semidesert. Academia Nacional de Ciencias Exactas, Físicas y Naturales Monografías 5

1989

Burkart, S. E.; R. J. C. León y C. P. Movia (ex aequo). Inventario fitosociológico del pastizal de la Depresión del Salado (Prov. de Bs. As.) en un área representativa de sus principales ambientes. Darwiniana 30: 27-69.

Facelli, J. M.; León, R. J. C. y Deregibus, V. A. Community structure in grazed and ungrazed grassland sites in the Flooding Pampa, Argentina. American Midland Naturalist 121: 125-133.

McNaughton, S. J.; M. Oesterheld; D. A. Frank y K. J. Williams. Ecosystem-level patterns of primary productivity and herbivory in terrestrial habitats. Nature 341: 142-144.

Sala, O. E.; Golluscio, R. A.; Lauenroth, W. K. y Soriano, A. Resource partitioning between shrubs and grasses in the Patagonian steppe. Oecologia 81: 501-505.

Sala, O. E.; M. E. Biondini y W. K. Lauenroth. Bias in estimates of primary production: An analytical solution. Ecological Modelling 44: 43-55.

Van Esso, M. L. y Ghersa, C. M. Dynamics of Sorghum halepense (L.) Pers. seeds in the soil of an uncultivated field. Canadian Journal of Botany 67: 940-944.

1988

Aguiar, M. R.; Paruelo, J. M.; Golluscio, R. A.; León, R. J. C.; Burkart, S. E. y Pujol, G. The heterogeneity of the vegetation in arid and semiarid Patagonia: An analysis using AVHRR/NOAA satelite imagery. Annali di Botanica 46: 103-114.

Ballaré, C. L.; Sánchez, R. A.; Scopel, A. L. y Ghersa, C. M. Morphological responses of Datura ferox seedlings to the presence of neighbours. Their relationships with canopy microclimate. Oecologia (Berlin) 76: 288-293.

Ballaré, C. L.; Scopel, A. L.; Ghersa, C. M. y Sánchez, R. A. (ex aequo). The fate of Datura ferox seeds in the soil as affected by cultivation, depth of burial and degree of maturity. Annals of Applied Biology 112: 337-345.

Batista, W. B. Relating new information to a previous vegetation classification: a case of discriminant coordinates analysis. Vegetatio 75: 153-158.

Batista, W. B.; León, R. J. C. y Perelman, S. B. Las comunidades vegetales de un pastizal natural de la región de Laprida, Prov. de Buenos Aires, Argentina. Phytocoenología 16(4): 519-534.

Benech Arnold, R. L.; Ghersa, C. M. y Schlichter, T. M. Simulación de flujo de calor en el suelo. Evaluación de métodos numéricos. Ciencia del Suelo 5: 105-115.

Benech Arnold, R. L.; Ghersa, C. M.; Sánchez, R. A. y García Fernández, A. E. The role of fluctuating temperatures in the germination and establishment of Sorghum halepense (L.) Pers. Regulation of germination under leaf-canopies. Functional Ecology 2: 311-318.

Chaneton, E. J.; Facelli, J. M. y León, R. J. C. Floristic changes induced by flooding on grazed and ungrazed lowland grasslands in Argentina. Journal of Range Management 41(6): 495-499.

D'Angela, E.; Facelli, J.M. y Jacobo, E. The role of the permanent soil seed bank in early stages of a post-agricultural succession in the Inland Pampa, Argentina. Vegetatio 74: 39-45.

Facelli, J. M. Response to grazing after nine years of cattle exclusion in a Flooding Pampa grassland, Argentina. Vegetatio 78: 21-25.

Facelli, J. M.; Montero, C. M. y León, R. J. C. Effect of different disturbance regime on a seminatural grassland from the subhumid pampa. Flora 180: 241-249.

Fernández Alduncin, R. J. y Paruelo, J. M. Root systems of two Patagonian shrubs: A quantitative description using a geometrical method. Journal of Range Management 41(3): 220-223.

Ghersa, C. M.; Eilberg, B. A. y Soriano, A. Dinámica de la población de semillas de Sorghum halepense (L.) Pers. en un suelo arable. I. Efecto de la germinación "in situ". Revista de la Facultad de Agronomía (UBA) 8(1-2): 1-9.

Ghersa, C. M.; Eilberg, B. A. y Soriano, A. Dinámica de la población de semillas de Sorghum halepense (L.) Pers. en un suelo arable. II. Efecto de las labores y de la manipulación del canopeo. Revista de la Facultad de Agronomía (UBA) 8: 11-19.

Milchunas, D. G.; Sala, O. E. y Lauenroth, W. K. A generalized model of the effects of grazing by large herbivores on grassland community structure. American Naturalist 132(1): 87-106.

Movia, C. P.; Soriano, A. y León, R. J. C. La vegetación de la cuenca del Río Santa Cruz (Prov. de Santa Cruz, Argentina). Darwiniana 28(1-4): 9-78.

Oesterheld, M. y S. J. McNaughton. Intraspecific variation in the response of Themeda triandra to defoliation: the effect of time of recovery and growth rates on compensatory growth. Oecologia 77: 181-186.

Paruelo, J. M.; Aguiar, M. R. y Golluscio, R. A. Soil water availability in the Patagonian Arid Steppe: gravel content effect. Arid Soil Research and Rehabilitation 2: 67-74

Sala, O. E. The effect of herbivory on vegetation structure. In M. J. A. Werger, P. J. M. van der Aart, H. J. During y J. T. A. Verhoeven (eds.) Plant Form and Vegetation Structure: Adaptation, Plasticity, and Relation to Herbivory, pp. 317-330. SPB Academic Publishing bv, The Hague (Holanda)

Sala, O. E.; Parton, W. J.; Joyce, L. A. y Luenroth, W. K. Primary production of the central grassland region of the United States: Spatial pattern and major controls. Ecology 69(1): 40-45.

Scopel, A. L.; Ballaré, C. L. y Ghersa, C. M. The role of seed reproduction in the population ecology of Sorghum halepense in maize crops. Journal of Applied Ecology 25: 951-962.

Van Esso, M. L.; Bustos, A. y Ghersa, C. M.(ex aequo). Demografía de semillas de Sorghum halepense (L.) Pers. en un suelo cultivado con maíz. Revista de la Facultad de Agronomía (UBA) 8(1-2): 29-37.

1987

Ballaré, C. L.; Sánchez, R. A.; Scopel, A. L.; Casal, J. J. y Ghersa, C. M. Early detection of neighbour plants by phytochrome perception of spectral changes in reflected sunlight. Plant Cell and Environment 10: 551-557.

Ballaré, C. L.; Scopel, A. L.; Ghersa, C. M. y Sánchez, R. A. The demography of Datura ferox (L.) in soybean crops. Weed Research 27: 91-102.

Ballaré, C. L.; Scopel, A. L.; Ghersa, C. M. y Sánchez, R. A. The population ecology of Datura ferox (L.) in soybean crops. A simulation approach incorporating seed dispersal. Agriculture Ecosystems and Environment 19: 177-188.

Facelli, J. M. y León, R. J. C. La diversidad específica de pastizales patagónicos subandinos, sometidos al pastoreo. Turrialba 36: 461-468.

Facelli, J. M.; D'Angela, E. y León, R. J. C. Diversity changes during pioneer stages in a subhumid pampean grassland succession. The American Midland Naturalist 117: 17-25.

Lauenroth, W. K.; Sala, O. E.; Milchunas, D. G. y Lathrop, R. W. Root dynamics of Bouteloua gracilis during short-term recovery from drought. Functional Ecology 1: 117-124.

Oesterheld, M. y León, R. J. C. El envejecimiento de pasturas implantadas: su efecto sobre la productividad primaria. Turrialba 37: 29-35.

Paruelo, J. M.; Aphalo, P. J.; Hall, C. A. S. y Gibson, D. Energy use and economic output for Argentina. In: Environmental Economics: The Analysis of a Major Interface. En G. Pillet y T. Murota (eds.)

Satorre, E. H. y Ghersa, C. M. Relationship between canopy structure and weed biomass in different winter crops. Field Crops Research 17: 37-44.

Senft, R. L., M. B. Coughenour, D. W. Bailey, L. R. Rittenhouse, O. E. Sala, and D. M. Swift. Large herbivore foraging and ecological hierarchies. BioScience 37:789-799.

Soriano, A.; Golluscio, R. A. y Satorre, E. H. Spatial heterogeneity of the root systems of grasses in the patagonian arid steppe. Bulletin of the Torrey Botanical Club 114: 103-108.

1986

Cecchi, G.; Ghersa, C. M. y León, R. J. C. Evaluación de daños del yuyo esqueleto (Chondrilla juncea L.) sobre un cultivo de trigo. Revista de la Facultad de Agronomía (UBA) 7: 161-171.

D'Angela, E.; León, R. J. C. y Facelli, J. M. Pioneer stages in a secondary succession of a Pampean Subhumid grassland. Flora, 178: 261-270.

Facelli, J. M. y León, R. J. C. El establecimiento espontáneo de árboles en la Pampa: Un enfoque experimental. Phytocoenologia, 14: 263-274.

Sala, O. E. The energy analysis of food production systems and the role of animal production: A review. Turrialba, 36: 91-97.

Sala, O. E.; Oesterheld, M.; León, R. J. C. y Soriano, A. Grazing effects upon plant community structure in subhumid grasslands of Argentina. Vegetatio, 67: 27-32.

Soriano, A. y Sala, O. E. Emergence and survival of Bromus setifolius seedlings in different microsites of a Patagonian arid steppe. Israel Journal of Botany, 35: 91-100.

Van Esso, M. L.; Ghersa, C. M. y Soriano, A. Cultivation effects on the dynamics of a Johnsongrass seed population in the soil profile. Soil and Tillage Research, 6: 325-335.

1985

Ghersa, C. M.; León, R. J. C. y Soriano, A. Efecto del Sorgo de Alepo sobre la producción de soja, maíz y de las malezas presentes en estos cultivos. Revista Facultad de Agronomía, 6(3): 123-129.

Ghersa, C. M.; Satorre, E. H. y Van Esso, M. L. Seasonal pattern of Johnsongrass seed production in different agricultural systems. Israel Journal of Botany, 34(1): 24-30.

León, R. J. C. y Aguiar, M. R. El deterioro por uso pastoril en estepas herbáceas patagónicas. Phytocoenologia, 13(2): 181-196

Sala, O. E. y Lauenroth, W. K. Root profiles and ecological effect of light rainshowers in arid and semi-arid region. American Midland Naturalist, 114: 406-408.

Satorre, E. H.; Ghersa, C. M. y Pataro, A. M. Prediction of Sorghum halepense (L.) Pers. rhyzome sprout emergence in relation to air temperature. Weed Research, 25(2): 103-110.

Satorre, E. H.; Pataro, A. M. y Ghersa, C. M. Diseños de emergencia y supervivencia de las plantas de Sorgo de Alepo menores de un año en cultivos de invierno. Revista Facultad de Agronomía, 6(1-2): 85-91.

1984

León, R. J. C., Rusch, G. M. y Oesterheld, M. Los pastizales pampeanos, impacto agropecuario. Phytocoenología, 12(2/3): 201-218.

Soriano, A. y Sala, O. E. Ecological strategies in a Patagonian arid steppe. Vegetatio, 56: 9-15

1983

Fernández Méndez, H., Ghersa, C. M. y Satorre, E. H. El comportamiento de las semillas de Sorghum halepense (L.) Pers. en relación con la población de rizomas. Revista de la Facultad de Agronomía (UBA), 4: 227-231.

Ghersa, C. M., León, R. J. C. y Satorre, E. H. Dinámica de la población de rizomas de sorgo de Alepo. Importancia de las plantas menores de un año. Boletín de la Sociedad Argentina de Botánica, 22: 345-352.

León, R. J. C. y Anderson, D. L. El límite occidental del pastizal pampeano. Nitteilungen der Floristisch-soziologischen Arbeitsgeneinschaft, Tuexenia, Neue Serie, 3: 67-83.

Soriano, A. El agua y la producción vegetal: consumo y eficiencia. IDIA, Suplemento No. 36: 44-50.

Soriano, A., Movia, C. P. y León, R. J. C. Los efectos combinados de la sequía y la acción del hombre en Patagonia. La sequía y el hombre. Taller Argentino-Estadounidense sobre Sequías. CONICET-NSF. Dic. 1978. Bs. As.
 



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