Relationship between vegetation of the levee neo-ecosystems and environmental heterogeneity in the Lower Delta of the Paraná River, Argentina.

作者: Fabio Kalesnik , Pablo Aceñolaza , Martín Hurtado , Jorge Martínez

DOI: 10.1111/J.1747-6593.2009.00196.X

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摘要: The relationship between environmental heterogeneity and the vegetation of levee neo-ecosystems in Delta Parana River was studied. These habitat types were considered plant communities recent origin related to local productive activities. Vegetation coverage evaluated 97 plots three different units (A, B C), using classification analysis, indirect direct ordinations. differential could be a greater fluvial influence on unit A tidal de la Plata C. Lower hydrological regimes only affect few edaphic variables particularly pH, organic matter percentage clay content. To understand spatial pattern vegetation, it is also necessary consider invasion alien species that has been taking place for over 50 years.

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