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Boletín de la Sociedad Argentina de Botánica
On-line version ISSN 1851-2372
Abstract
PATTERER, Noelia Isabel; GONZALEZ, Carlos Adrián; PASSEGGI, Esteban and ZUCOL, Alejandro Fabián. Análisis fitolíticos en depósitos de ambientes fluviales del río Paraná en su sección media (Entre Ríos, Argentina). Bol. Soc. Argent. Bot. [online]. 2013, vol.48, n.1, pp.91-102. ISSN 1851-2372.
This paper defines the phytoliths composition from different environments of the insular region southernmost Middle Paraná River, establishing fluvio-sedimentary and floristic characteristics, of the plant-substrate associations. The Middle Paraná, moves through a floodplain. The phytolith analysis have proved a valuable contribution to understanding the type of environment, both for the study of bottom deposits as well as such as island environments. Six stations were established: "albardón joven", "albardón intermedio", "albardón viejo", "media loma", "pajonal" and "bajo". The processing was performed using the technique of Laboriau (1980) for plant samples and followed the protocol processing Zucol et al. (2010) for clastic samples. Phytolith analysis proved a useful tool, because we could make significant differences in the various units of study, clearly differing from existing components and their contribution to the substrate, as well as those elements that have characterized these environments in the past recent.
Keywords : Phytolith analysis; Middle Paraná River; Predelta National Park; Entre Ríos province.