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Aridity and grazing as convergent selective forces: an experiment with an Arid Chaco bunchgrass
Quiroga, Raul Emiliano; Golluscio, Rodolfo Angel; Blanco, Lisandro Javier; Fernandez, Roberto J. (Wiley, 2010-10)It has been proposed that aridity and grazing are convergent selective forces: each one selects for traits conferring resistance to both. However, this conceptual model has not yet been experimentally validated. The aim ... -
Differential water-use strategies and drought resistance in Trichloris crinita plants from contrasting aridity origins
Quiroga, Raul Emiliano; Fernandez, Roberto J.; Golluscio, Rodolfo Angel; Blanco, Lisandro Javier (2013-08)In arid environments, water availability is the main limiting factor for primary production, and it is expected that not only drought-resistance, but also plant strategies for soil water use will be under natural selection. ... -
Germination requirements of two sheep-preferred grasses (Hordeum comosum and Koeleria vurilochensis var. patagonica) from semiarid Patagonian steppes
Gundel, Pedro Emilio; Irisarri, Jorge Gonzalo Nicolás; Sorzoli, N.S.; Mosso, C.E.; Garcia Martinez, Guillermo Carlos; Golluscio, Rodolfo Angel (Elsevier, 2012-03)Grazing by domestic exotic herbivores on native vegetation in Patagonian steppes has led to the deterioration of forage resources, where grasses are replaced by shrubs, and preferred grasses by non-preferred ones. Therefore, ... -
Grass recruitment constraints along a grazing gradient in Patagonia: N-limitation x adult competition trade-off
Garcia Martinez, Guillermo Carlos; Golluscio, Rodolfo Angel (Elsevier, 2021-03-09)We explored the effect of N addition and adult canopy competition on the recruitment of lost preferred species in the Patagonian steppe, where a decelerated N cycling scenario (sensu Ritchie et al., 1998) had been previously ... -
Impact of cattle grazing on temperate coastal salt marsh soils
Di Bella, Carla Estefania; Rodríguez, Adriana Mabel; Jacobo, Elizabeth Juliana; Golluscio, Rodolfo Angel; Taboada, Miguel Angel (Wiley, 2015-06)Over the last two decades, grazing intensity has increased in the temperate salt marshes of Samborombón Bay (Argentina) due to agricultural expansion and the displacement of domestic livestock to these areas. We investigated ... -
Influencias de la productividad, la calidad de la vegetación y el deterioro sobre la receptividad ganadera en el NO de la Patagonia
Bottaro, Hugo (Facultad de Agronomía, Universidad de Buenos Aires, 2007)La receptividad ganadera está determinada por la productividad primaria neta aérea, la calidad forrajera de la vegetación y la estructura del pastizal. En el Noroeste de Chubut los principales métodos utilizados para ... -
Respuesta de hongos benéficos del suelo asociados a Lotus tenuis a la aplicación de glifosato
Druille, Magdalena; Acosta, A.; Acosta, G.; Rossi, J.L.; Golluscio, Rodolfo Angel; Bailleres, Matias Andres (Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2017-12)En los últimos años se está adoptando la práctica de promoción de Lotus tenuis a través de la aplicación de glifosato en pastizales de La Pampa Deprimida debido a su importante aporte en cantidad y calidad de forraje. Sin ... -
Weed effects on the establishment and nutritive value of pastures with different annual/perennial ratio
Lavarello Herbin, Agustina; Golluscio, Rodolfo Angel; Rodríguez, Adriana Mabel (Wiley, 2020-12)Livestock intensification is increasing weed invasion in pastures. We performed an experiment near Buenos Aires, Argentina, to evaluate the impact of weeds on temperate cultivated pastures. We sowed 1,700 viable seeds m–2 ...