Soil–invasive species (Tithonia tubaeformis) relationship in the riparian system of the Arenales River, Salta, Argentina

Authors

  • Giovanna Larenas Parada Instituto de Ecología y Ambiente Humano, Universidad Nacional de Salta, Salta, Argentina
  • Marta L. De Viana Instituto de Ecología y Ambiente Humano, Universidad Nacional de Salta, Salta, Argentina
  • Teodoro Chafatinos Instituto de Ecología y Ambiente Humano, Universidad Nacional de Salta, Salta, Argentina
  • Nieves E. Escobar Instituto de Ecología y Ambiente Humano, Universidad Nacional de Salta, Salta, Argentina

Keywords:

invasion, nutrients, density, exotic and native plants

Abstract

Biological invasions are an important subject of research closely related to biodiversity loss, causing also important economic problems. Salta City is located in the Lerma Valley, a region invaded by Tithonia tubaeformis, a species from Central America. This study was carried out in the Arias-Arenales riparian system, in the urban area, characterized by numerous and different human alterations. The density of the invader was different in the studied sites and was higher in Tavella and Santa Lucía. In the later site there were only exotic species. San Javier showed the greatest plant species richness (33), as well as the higher proportion of native species (85%). Topsoil in invaded sites had the highest potassium concentrations. Taking into account the physico-chemical characteristics of the soil and vegetation features, we obtained a grouping of the sites related with invader densities.

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Published

2004-06-01

How to Cite

Larenas Parada, G., De Viana, M. L., Chafatinos, T., & Escobar, N. E. (2004). Soil–invasive species (Tithonia tubaeformis) relationship in the riparian system of the Arenales River, Salta, Argentina. Ecología Austral, 14(1), 019–029. Retrieved from https://ojs.ecologiaaustral.com.ar/index.php/Ecologia_Austral/article/view/1495

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Vol. 14 No. 1 (2004)

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