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has been cited by the following article:

• TITLE: Phytogenic Mounds (Nebkhas): Effect of Tricomaria usillo on Sand Entrapment in Central-West of Argentina

  AUTHORS: Graciela Pastrán, Eduardo Martínez Carretero

  KEYWORDS: Sand Dunes, Nebkhas, Dynamics, Vegetation

  JOURNAL NAME: Journal of Geographic Information System, Vol.8 No.4, July 26, 2016

  ABSTRACT: Nebkhas, developed by the trapping of sand within the body of a plant, were studied in the Médanos Grandes system, arid central Argentina, during the springs of 2009-2010. The dynamics of nebkhas was studied in three draas (megadunes), and considering both orientations: leeward and windward. The Drift Potential (DP) for the study area was 42, evidencing the inactivity of the sand dunes or the scarce activity only in crests. Dominant sand movement is in south-southeast direction, with deflation processes at the southern side of the nebkhas. All nebkhas showed uniformity in the morphometry. Tricomaria usillo is the dominant plant species in the nebkha formation process; and results showed a significant positive relationship between nebkha and canopy volumes.