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Community Ecology

, Volume 6, Issue 2, pp 209–217 | Cite as

Recovery and stability of Paraná river floodplain grasslands twenty years after a catastrophic flood

  • E. A. FranceschiEmail author
  • P. S. Torres
  • J. P. Lewis
Article

Abstract

The floodplain herbaceous vegetation of the Paraná River (Argentina) was destroyed by a catastrophic extraordinary flood in 1982–83. The main communities were Panicum prionitis tall grasslands. According to a succession model, they were seral communities that would have evolved to hygrophilous forest. After the flood, the area was surveyed in 1984, 1988 and 2002 and analyzed with numerical methods. First, the area was invaded by a community of annual species, which were the sparse species of tall grasslands, but five years after the colonization this community disappeared and was replaced by the original tall grasslands and turfs. The tall grasslands rapid recovery and the absence of woody species support the hypothesis that this community is a stable community which was rejuvenated by catastrophic floods and was prevented to develop into woody species communities.

Keywords

Argentina Disturbance Extraordinary events Regeneration succession Resilient communities Vegetation dynamics Wetlands 

Abbreviations

CA

Correspondence Analysis

CCA

Canonical Correspondence Analysis

SSA

Sum of Squares Analysis

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Copyright information

© Akadémiai Kiadó, Budapest 2005

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Authors and Affiliations

  • E. A. Franceschi
    • 1
    Email author
  • P. S. Torres
    • 1
  • J. P. Lewis
    • 2
  1. 1.CIUNR-Cátedra de Ecología, Facultad de Ciencias AgrariasUniversidad Nacional de RosarioZavalla (Sta. Fe)Argentina
  2. 2.CONICET-Cátedra de Ecología, Facultad de Ciencias AgrariasUniversidad Nacional de RosarioZavalla (Sta. Fe)Argentina

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